Curiosity

Antirust substances make of nuts “more healthful” the oleaginosas fruits

2011-12-08T00:46:00.000-08:00

A research made in the United States disclosed that, between the oleaginosas fruits, they are the most recommended nuts for a healthful diet for containing the highest level and the best quality of antirust substances - substances that help to prevent illnesses.

According to study, a handful of nuts contains two times more antirust than a handful of chestnuts, almonds, peanuts, pistachio nuts, hazelnuts, chestnut-do-Pará, chestnuts of cashew, macadâmias or nut-part.

Moreover, the antirust substances gifts in the nuts have greater quality and power of what of the other analyzed dry fruits.

The research - lead for a scientist of the University of Scranton, in the Pensilvânia (northeast of the United States) - also concluded that the antirust substances found in the nuts are between two the 15 more powerful times of what of the vitamin and, also known for its antirust benefit.

The study it was divulged in a meeting of the American Chemical Society, carried through in the city of Anaheim, in California (west of the country).

Nutritional
The antirust substances hinder chemical reactions that cause changes in the molecular structure of the cells of the body.

According to researcher Joe Vinson, that led the study, all the oleaginosas fruits have good nutricionais qualities. They contain proteins of high quality, many vitamins, minerals and staple fibres.

Previous research had demonstrated that the regular consumption of small amounts of oleaginosas fruits can reduce the risk of cardiac illnesses, some types of cancer, diabetes type 2 and other problems of health.

But Vinson says that the portions of these consumed fruits must be small. Seven to the day are the sufficient to get the benefits for the health discovered in the studies.

The researcher said despite it has another advantage in choosing the nuts as antirust substance source.

“The heat of the torrados fruits generally reduces the quality of antirust substances, but the people generally eat the raw nuts. Therefore, they are more efficient”, explained.

Eggs of Virgin, one would iguaria Chinese cozida in piss.

2011-12-06T00:44:00.000-08:00

In the majority of the places of the world, the spring is marked by the coloring and smells of flowers unclasping, but in Chinese cities as Dongyang I smell it characteristic is of piss for the streets. I do not smell it of drunk foliões mijando in walls and alleys, but emanated of great Egg vases of Virgin. Known for dan Tongzi (literally boy egg ") they are one old listed culinária tradition as part of the cultural património of Dongyong, fellow creature to tea eggs - eggs cooked in soy gravy and vinegar. The only difference is that the Eggs of Virgin are cooked in piss.

Salesmen collect piss of virgin boys in the schools of first degree around of the city and use as the main ingredient for its incpmum would iguaria of street. Buckets of plático are placed outside of the classrooms and the boys are remembered to make pee in them, unless they are sick. The pee is then used daily pay-to cook eggs, the rind then is lightly broken to allow that the flavor adentre and after that is cooked again.

All the hard process of stew and lathe of one day entire. Some people say that they have the flavor of the spring, while others affirm that they are so gostosos that they could eat a dozen per day.

According to local belief, the Eggs of Virgin help to diminish the heat of the body to help to face the hot days of summer, and improve the sanguineous circulation, despite piss does not contain, basically, no propitious substance for the health human being.

One chef of local kitchen said that it plans to export the “technique” so that people of ocidente can prove the taste of the such egg. Of any form, if you were interested in proving, are enough to obtain a bucket of piss and stocking dozen of eggs to know the delights of mijados eggs.

Apple prevents cardiac illnesses

2011-12-04T00:44:00.000-08:00

A new study presented in American Dietetic Association (ADA) in the annual Conference of Feeding and Nutrition it disclosed plus a benefit of surprising health acquired by the apple ingestion.

According to research made in the University of Michigan Health System, to eat apples and derivatives estresse reduces it oxidativo in the organism, it increases the cardiac function and of the health and reduces the high pressure and the cholesterol. He is not toa that when I small age my father said always me:
“Ein Apfel am Tag… und Ihr Doktor bleibt arbeitslos”, that is, “an apple per day… and its doctor goes to be dismissed”.

For the study, the scientists had tested the effect of the pectina of apple, a rich composition in staple fibres found in apples (logical), and they had used in rats that were inclined to the obesidade. They had compared the rats in the groups of apple and the other group of rats fed with a diet standard without apples. All the rats consumed constant amounts of the total of calories, sugars and staple fibres.

In the end of the period of evaluation, the rats in the groups of apple had presented considerable improvements in the health in general, with little cases of cardiac illness that the group of rats that was not fed with apples.

E this research was a little more ahead. They had caught the group of rats that was fed with apples, and had added an American typical diet, with high text of fat. Together with this greasy diet, a made liofilizado entire apple dust was given to the group. It is as if it was a concentrated nutricional apple supplement. The results had shown a benefit of health of the heart that was beyond the cholesterol reduction by itself “, explain the Dr. Mitch Seymour, leader researcher of the study.

The powerful antirust substances and fitoquímicos in apples help to reduce the actual damages for the free radicals. As result, the main markers of the cardiac illness are mitigated.

The apples are equally beneficial for the digestive system, because they supply to the intestine healthful bacteria and if you to want to prevent cancer development, know that the apple rind is rich in composites triterpenóides that they hinder the formation of cancerous cells. But also, unhappyly, she is rich in agrotóxico. Thus, it prefers apples organic or then it washes them very well. It leaves them in a solution of 1litro of water with a sodium bicarbonate soup spoon. It leaves apples of gravy at least one hour. Later it washes them in current water still more.

How and when appeared the tinned food?

2011-12-02T00:41:00.000-08:00

It was created in century XIX to take care of to basic a military necessity: to conserve foods for armies in campaign. Process that it prevents that the food ruins, preserving it in containers closed and esterilizados by heating, started to be developed in France for cook Nicolas Appert, in 1795. Its bigger motivation rewards was offered it for the French government who developed a method that hindered deterioration it foods for consumption them troops it country. Appert used covered with corks and stamped glass jars with wax, kept in water fervente to preserve, among others things, soups, juices, laticínios and candies. The result of this experience was published in a book that arrived at the hands of the English trader Peter Durand. In 1810, Durand patented the use of containers coated with tins, the future can, beyond the vasilhames of glass used by Appert. In 1815, the French and British soldiers already fed themselves with tinned.

In 1830, these products had left of being, in the Europe, military exclusiveness, but the search for soups, sardines, peas and tomatoes vendidos in the new type of packing was weak because of the high price. Exactly thus, the newness arrived at the United States, where, in 1926, the texana company Hormel launched a product that would make much success: the presuntada one in can of famous mark Spam (whose name - abbreviation of spiced ham, “spiced ham” - curiously capsized synonymous indesejado email). From the decade of 30, the tinned ones if had become all popular in the planet and today about 200 billion cans of food they are produced annually.

Scientists find new bacterium that lives of caffeine.

2011-11-30T00:41:00.000-08:00

Scientists of the University of Iwoa, in the United States, had discovered a new a bacterium that lives of caffeine in a type of flower that had in the campus. The putida Pseudomonas digests the existing caffeine in the ground and some species of plants, as the coffee, grass-kills and the cacao.

Previous research already showed some bacteria that if they fed of the present caffeine in vegetables and served as natural pesticides. But not if wise person as they digested the composition. Now the researchers had discovered that putida the Pseudomonas bacterium uses the N-demethylase enzyme to break the caffeine in dioxide of carbon and ammonia, thus to use to advantage it.

The team isolated the genes of the putida P. that they had distrusted to be the responsible ones for producing the caffeine enzyme digestora. Later they had inserted the genes in a different bacterium and capsize that it also started to digest the composition.

The discovery will be able to help in the treatment of some problems of health. This because the by-products generated for the caffeine in addition are the base for some used remedies to treat asthma, to improve the sanguineous flow and to fight the cardiac arrhythmia. As these products they are difficult to be produced in laboratory, the enzyme of the bacterium could be a simpler form to manufacture them.

The 9 myths of the feeding.

2011-11-28T00:40:00.000-08:00

THE BREAD FATTENING?

He is false to say that the bread fattening and that who is to make diet does not have to eat it. This food supplies about 250 kcal/100 g and, as any food, must be eaten with moderation. The great problem is not the bread by itself, but yes what we join to it. To have an idea… 10g of butter kcal has 90 approximately. Also it is not truth that the integral bread gets fat less than the white bread, therefore supplies the same calories significantly. But the integral bread (or it mixes, rye, 7 cereals) is nutricionalmente richer of what the white bread, supplying vitamins, minerals and alimentary fiber that, as related, are nutrient basic in our feeding.

2. WITHOUT MEAT WE DO NOT HAVE VITALITY?
It is a common error to say that she is necessary to ingest much meat, of preference a beefburger, to have energy. White Teresa says that “it is necessary to ingest meat, but is not through an ingestion in surplus that I go to have more available energy. This ingestion in surplus alone will serve to store a great amount of saturated fat”. Already Francisco Varatojo remembers that the macrobióticos have vitality without eating meat and that they go to search proteins and other nutrients to the leguminosas as the beans and the grain, for example.

3. THE MILK OF - US STRONG BONES?
“It does not have nothing that confirms that she is necessary to drink milk to have strong bones”, it underlines Francisco Varatojo. The macrobiótico remembers that it is in the occidental countries, where if consumes lacticínios more, that more ósseas fractures and cases of osteoporose are registam and that the orientals have a more resistant skeleton and consume little milky products. One of the explanations must it the fact of the lacticínios be had much protein that finishes for eliminating calcium in time that holding. To strengthen vitamins, and D also the red food ingestion as vegetal, hortícolas, fruits or oranges are advised to a solar exposition of 15 minutes daily and green leaf, fish fat people and eggs.

4. LEAN PRODUCTS LIGHT OR MAKE EMAGRECER?
Blessed Alexandra demystifies this idea. Although “theoretically to have little calories of what the products not “light”, does not want to say that if can eat the amount that if it desires without getting fat”. E calls the attention for the necessity to be intent to the labels of foods: “Many times, the manufacturers remove the fat, but they substitute it for other ingredients that can present calories and therefore the energy value of the end item can very not be inferior to the one of the conventional product.”

5. THE BANANAS GET FAT?
A small banana has the same calories that an apple or an orange, does not have fruit that gets fat more than what to another one, is only necessary to have in attention the amounts. In the fruit, transformed into the highest point, vitamin C is degraded and the natural sugars (frutose) are consumed of more intent form and provoke more dental carieses.

6. THE WATER TO THE MEALS FATTENING?
It is said that if it does not have to drink water to the meals or during the physical efforts, but is a myth. Without the nutrient water, a good hidratação does not exist and nothing it functions. However, as it relates Francisco Varatojo, also it does not make sensible none to say that to be healthful we need to drink three liters of water per day. E the water of the tap more is balanced in essential minerals for the health that the bottled mineral.

7. FISH DOES NOT PULL WAGON?
He is false to say that the fish does not feed. According to Blessed Alexandra, “the fish is more easily digested of what the meat and a protein source of raised quality”, having a reduced text of fat more. Moreover, it adds: “The fats of the fish are more healthful. The fish fat person, as the sardine, the salmon, the herring, presents ómega 3, acid fat people who seem to present many benefits for the health.” One of the forms to delay the digestion of the fish, is to more follow the meal with other foods of delayed digestion, nominated vegetal folhosos, as borecoles and leguminosas as peas, beans, garbanzo bean, lentils…

8. THE OIL IS A HEALTHFUL FAT AND THEREFORE FATTENING LESS?
The oil, although to be a healthful fat, fattening in such a way how much the other fats. Each 100 oil g supplies 900 to us kcal. Therefore the oil must be used with account, weight and measure. But that if it prefers oil other saturated fats as oils. It is that the oil has other nutricionais advantages, since is rich in antirust substances, diminishes the cholesterol levels and contributes for the reduction of the risk of illness cardiovascular and determined types of cancer.

9. IT HAS GOOD FOODS AND BAD FOODS?
“Of the point of view of the nutrition, it does not have good foods, nor bad foods”, underlines Alexandra Blessed. Any food can be part of a balanced feeding and therefore the advice to have a healthful feeding is to vary most possible. Exactly the rich foods in fats or sugar, that are pointed as little healthful, do not have to be banished of the feeding of a healthful person, but to be ingested with account, weight and measure.

Brazil studies to include insects in the diet of the people

2011-11-26T00:39:00.000-08:00

Already it thought to go to the supermarket and, instead of 1 kg of bovine meat, to buy 500 grasshopper g, cricket or larva of ant? Therefore this reality can be part of the life of all the Brazilians very soon!
Owner of a company that creates and commercializes insects, the mining entrepreneur Otávio Luiz You can Gonçalves asked for to the Ministry of Agriculture, Cattle and Supplying that its business recognized as a “producing establishment of insects for human consumption” and finished fomenting, in the government, the debate on the legalization of the entomofagia - that is, the practical one to eat insects - in Brazil.
The Ministry of Agriculture not yet answered to the order of Gonçalves, but it asked for bibliographical indication to the entrepreneur, alleging that if it deals with controversial subject, but that it will be argued, for representing real chance to fight the global heating in Brazil and the world.
This because, in accordance with research of the University of Wageningen, in Holland, the creation of insects emits an amount of gases of the effect very lesser greenhouse of what the cattle one. In the case of grasshoppers, for example, the methane emission arrives to be 10 times lesser and of nitrous oxide, 300 times. Moreover, the production of insects also would help in the preservation of the forests, that they would not need to be destroyed for the advance of the pastures.
Data of the FAO - Organization of United Nations for Agriculture and the Feeding - that also walks arguing the possibility to include insects in the diet human being - still they show that about 80% of the countries they possess insects in its cardápio and 23 of these nations are in the American continent. It will be that the Ministry of Agriculture will legalize the entomofagia and Brazil will be the next one to enter, officially, for this list?
In case that the proposal of Gonçalves is accepted, for the entomofagia, really, to make the difference in the combat to the global heating, the population would have that to change to the bovine meat and suína for the one of insect. You would change?

Top 10 foods that detonate its health

2011-11-24T04:36:00.000-08:00

What it does not kill, fattening, said our mothers. Or we ourselves, when we want to eat salgadinho that it fell in the soil. The problem is that some things not only get fat (and very), as well as can kill to the few.

But it does not need to be despaired. This that does not want to say that we cannot more eat that portion of potato fries or that one docinho in the dessert. “Nothing it is forbidden, but these foods must be consumed with lesser frequency. A reasonable measure is to include an one of them in the cardápio time per week. But only one of them. To eat dog-hot with potato fries, for example, never”, it explains Flavia Moral, coordinator of the department of nutrition of the net of natural products Green World. The tip of it is to look at the label of the product to check its ingredients. E is intent: the first item of the list of ingredients, generally, is what it is present in bigger amount in the food. Therefore, if sugar or fat will be in the top of the list in the packing, either better to perhaps look a more healthful option.

With the aid of nutritionists, we list the 10 types of more harmful foods to the health. Care with them!

10 - Sugar

“The sugar, in special the fine one, is 100% calorie, without nutricional value”, affirms the Thais nutritionist. Yes, it becomes the life and foods more candies and all. But, when consumed in excess, he is stored in our body under the form of triglicérides, increasing the risk of the development of cardiovascular illnesses. Moreover, for being caloric, he can lead to the obesidade and, with it, increase the risk of diabetes, hipertensão and dislipidemias. According to nutritionists, as much sacarose (table sugar) how much the sugars of industrial use are related to me the quality of the health. Then, already he saw: nothing to sweeten excessively cafezinho.

9 - Margarina

According to one it searches dutch, some margarinas provoke as much males for the arteries how much the fat of animal origin, known as saturated. Aa margarinas is of vegetal origin, that is, its insaturadas fats do not costumam if to deposit in the sanguineous vases. But the dutches had observed that a component of definitive margarinas, the acid elaídico, even so if does not accumulate in the vases, provoke the reduction of the beneficial lipídios of high density. These receive the nickname from good cholesterol, because they clean the organism of the fat of low density, the bad cholesterol, that obstructs the circulation of the blood. As of the one not to know if definitive mark it contains or not it substance, sends regards that for precaution, if it prevents any type of fat.

8 - Barbecue

Ok, to fry is bad. But it takes care when to decide to also make a barbecue. In this in case that, the problem is in the preparation process, and not with the food: according to Thais nutritionist, the smoke of the coal liberates aromatical tar and policíclicos hydro-carbons, substances with high cancerígeno potential.

7 - Frituras

Exactly that you use vegetal oil of good quality to fry its potatoes or beefburger, to eat foods fritos makes badly. The fritura makes with that chemical alterations in the used oil occur, leaving of being a source of insaturada fat (in the case of vegetal oils), basic for our health, and giving place to the saturated fat, that in excess can cause diverse illnesses. This process can also promote the formation of the fat trans, that directly it is related to the increase of cardiovascular illnesses and the worsening of the picture of health in a general way. Moreover, the extreme heat ruins the chemical structure of the fat molecule, producing a substance potentially cancerígena call acroleína.

6 - Cooling

“Beyond possessing many artificial substances in its composition, the cooling one contains almost null nutricional value”, affirms Thais. The variations glue, in special, have a great amount of fosfatos, that in excess provoke the release of calcium and the consequent weakness of the bones, facilitating the incidence of illnesses as osteoporose. “Beyond being rich in sugar, the drink has the capacity to deceive the related organic systems to the control of the ingested calories, presenting close relation with the extreme profit of weight and the obesidade”, adds Rafael Clearly. E, unless you are diabetic, does not advance to try diet - they are still worse! “Cooling they contain many chemical substances, but at least they are made with sugar, that is something that the body recognizes and can digest. Already cooling diet, beyond all these substances, still contain aspartame as sweetener. Its metabolization generates methanol, toxic substance for the neurons that, in excess, neural degeneration provokes and is related the illnesses as badly of Alzheimer”, explains Flavia Moral.

5 - Salgadinhos

It is this same. Another dangerous delight that we adore to consume at ócio moments. The salgadinhos also are sources of monossódico glutamato, that sódico salt that creates a encorpado flavor to the product. But you already saw back in item 3 of what this composition is capable.

4 - Stuffed biscuit

These small temptations with chocolate filling, strawberry or what it will be are non-separable of idle afternoons in the front of the television attending some film on one galera of the racket preparing high confusions. “Loaded with sugars, these small dainties possess frightful energy density”, say the nutritionist Clearly Rafael Moreira, Researcher of the Department of Nutrition of the College of Public Health of the USP. Beyond the sugar excess, the stuffed biscuits still contain much saturated fat, what it favors the increase of the LDL (the “bad cholesterol”) and the reduction of the HDL, considered the “good cholesterol”. The disequilibrium in the cholesterol taxes is factor of risk for the sprouting of serious cardiovascular illnesses. E, to complete, the used additives to give color to these big cookies also are harmful to the health and are associates to the hiperatividade and deficit of attention.

3 - Industrialized broths and temperos

It decided to cook? Good for you. But another tip goes here: it makes its proper one I temper and I forget the industrialized ones. They possess high sodium texts and monossódico glutamato. Sodium, if consumed beyond the recommended daily limits, can lead to the development of the hipertensão or to get worse the problem if it already exists. The problem of the glutamato is still worse: studies have shown that to our it uses it organism as a transmitter of nervous impulses in the brain and its consumption has been associated with learning difficulties, Badly of Alzheimer, Parkinson and cancer.

2 - Inlaid (sausage, linguiça, mortadela, ham, salame)

Ok, you is not adept of the congealed ones, but lanchinho of mortadela adores one. Or a dog-hot one. We feel to inform, but you are not in a better situation, not. “These foods to the meat base, known as inlaid works, had been invented to facilitate the preparations and to increase the stated period of validity of the food. The problem is that they possess greater text of fat saturated in relation to the natural meat”, explains Thais Souza. This type of fat, found mainly in products of animal origin, brings risks to the health when ingested in excess, therefore it stimulates the increase of the cholesterol levels and the risk of development of cardiovascular illnesses. The inlaid works also contain sodium excess - what it can provoke high pressure - and corantes - that they can cause allergies and problems in the stomach. Finally, still it has there many conservantes, as the nitrito and nitrate. Into our organism, them they are converted into potentially cancerígenas substances.

1 - Congealed ready meals

You arrive in hunger house dying and are tired excessively to cook something. Then, he looks at for the microwaves, one remembers lasanha frozen that he has in bendiz freezer and this pretty technology that facilitates its life. But it is good for not empolgar itself in such a way. This type of half-soon food is rich in saturated fat, that makes to go up the levels of the bad cholesterol and increases the risk to develop cardiovascular illnesses. “Such meals also are rich in sodium that, in excess, can cause increase of the arterial pressure”, it affirms the Thais nutritionist Souza. It decided to change for the pizza? It does not advance. The risk is, basically, the same.

Blind Turn Movie

2011-11-24T04:23:00.000-08:00

If you're in love with movies I'm sure you'll love the Blind Turn Official Website and coming to the you can check out a movie trailer and get more information about this fantastic movie Movies might be the best way to motivate people to do or not to do something. As we know, the term driving under the influence is very common in our society and the in the new movie trailer Blind Turn Movie Trailer Official (HD) ,This movie is starring by Rachel Boston as Samantha Holt. In this movie, Samantha Holt had a great life with a perfect handsome fiancée and the future was belonging to them! Unexpected thing was happened which led her to a lonely dark roads. A collision with Bruce Miller was happened when she was so drunk. This accident took everything from Miller’s hand what he had ever cared about. Miller decided to ruin Samantha’s life like she had done to him. He was getting worse and worse with his mad plan and he was really enjoying the insanity.Need backstage information about this movie? You can join Blind Turn fan page and meet the stars and the crews of this thriller movie. There are various behind the scenes videos uploaded on the fan page. Visit the fan page now and discuss about this movie with your friends,So what are you still waiting, take a trip now to www.blindturnmovie.com.

Black tea helps to fight stress, says British study

2011-10-30T00:45:00.000-07:00

Black tea helps to fight stress, says British study

The typically British tradition to take a chávena of tea of regular form helps to fight stress daily. The conclusion is of a study of University College London (UCL) published in the specialized magazine Psychopharmacology.

The presence of the cortisone, hormona responsible for stress, in the sanguineous circulation is reduced in about 47% through the ingestion of black tea.

“We proved that the components of the tea, as the catequinas, polifenóis, flavonóides and amino acids help to reduce stress, sending signals to the brain”, explained Andrew professor Steptoe.

The scientist directed the experiences carried through with 75 volunteers who had taken tea of regular form and had been examined during six weeks, disclosing that other drinks do not have relaxante effect the same.

The British study he confirmed thus the idea of that to take tea “traditionally is associated with the act to pass a good bit without stress of the quotidiano and many believe that this drink helps of fact to relax”, added.

How much salt we can consume to the day?

2011-10-28T00:44:00.000-07:00

Currently the specialists recommend not to more than consume 2,3 grams of salt to the day for healthful people, and in the maximum 1,5 grams daily if we suffer renal illness, diabetes or hipertensão. To make the calculation it does not have that to have in account only the salt with which we temper our meals, senão also the present salt in processed and packed foods.

Rachel Wagner, nutritionist of the University of Cincinnati (U.S.A.) assures that the majority of the people is unaware of “the occult” sources associates, as the saladas gravies of tomatoe, temperos for, the cheese, the cereals and certain condiments as the soy gravy. A spoonful of the soy gravy only can contain 1,8 gram of salt.

To eat cool fished meat and, and to prove that the packed or congealed vegetables do not have added salt, are two advice given for Wagner to prevent to consume more salt of what it is considered healthful.

The potato most expensive of the world

2011-10-26T00:43:00.000-07:00

The exotic caviar of white rare beluga enters and trufas, in a list of more expensive foods of the world, is difficult to imagine the presence of a common food as the potato.

However, we are not saying of a potato any and yes of, There Bonnote, the potato most expensive of the world. This almost extinct potato species is cultivated only in a place of the planet, the French island of Noirmoutier, for a group of enthusiastic it saved that it of the total extinguishing, the one that was displayed during the two world-wide wars.

Fragile and cultivated only in fields fertilizados for kelps, responsible by the characteristic salty flavor levemene, the variety is planted in harvested February and manually during the ten first days of May.

With an annual harvest of approximately 100 tons, delicate and demanding the Bonnote can There reach prices of up to 700 dollars the kilo. The exotic potatoes generally are found in plates special of restaurants of luxury of France and Holland in May middle.

To drink coffee really diminishes the drunkeness?

2011-10-24T00:43:00.000-07:00

It diminishes. The alcohol is a depressive substance of the central nervous system, because it reduces its activity when making it difficult the ticket of messages between the neurons of the brain. It is not known accurately why this happens, but gives credit that the alcohol modifies the composition of the membrane of the neurons, making it difficult the transmission of the nervous impulses. This makes with that the person is sleepy, unbalanced and without motor coordination.

Already the present caffeine in the coffee has the opposing effect accurately. “It intensifies the ticket of these neuronais messages, brightening up the effect provoked for the alcoholic beverage ingestion”, affirms the pharmaceutical biochemist Robert De Lucia, of the University of São Paulo. To reduce the effect of the drunkness, the coffee must be ingested without sugar, therefore this substance makes it difficult the absorption of the caffeine for the organism, harming its action.

It makes banana-passes in the microwaves

2011-10-22T00:42:00.000-07:00

The banana is one of the fruits more consumed and possibly one of most wasted. When surplus fatally ruins and goes for the garbage. To prevent this you can use its oven microwaves caretaker.

A technology studied for researchers of the University of Campinas (Unicamp - São Paulo) and that it uses the microwaves to carry through the drying of the banana, getting banana-passes as resulted, it can more bring benefits in the exploitation of one of the consumed fruits in the Country.

Engineer Pink Nádia the food Pear tree, author of the research, explained that the processing of the food in the microwaves occurs of faster form of what the conventional method, reaching comparable quality or until superior of the commercial products.

According to it, the new technology keeps the structural and nutricionais properties of the banana when compared with the traditional method. This happens because the fruit is little time in baking, diminishing the degradation possibility.

“In other studies, the research had shown that the dry banana from the new technology presented one better sensorial acceptance of what the commercial products”, informed.

Color and Aroma

Nádia said that, beyond the possibility to characterize the nutrients of the food, the microwaves also can generate an improvement in the color and the aroma of the product. The drying consists of the reduction of the water of the banana until arriving at a level considered ideal for its conservation.

In the conventional method, the process is carried through by convection with hot air of artisan form, what it results in the loss of nutrients of the food in one in reason of the warm up time.

The engineer remembered that the process carried through in the microwaves is very new, and the study still needs more to be deepened. Only thus, according to Nádia, it would be possible to take the product gotten from the technique to the market, what it would increase the consumption.

Coffee against the skin cancer

2011-10-20T00:42:00.000-07:00

To take coffee and also to apply it directly on the skin can result efficient to prevent the cancer of skin provoked for the extreme exposition to the sun. According to a study of the University of Rutgers (U.S.A.), the caffeine acts the molecular level inhibiting a protein in called skin ATR that, to the neutralized being, leads to the destruction of the cells that had suffered some type of damage for the ultraviolet rays.

The researchers had modified rats genetically to reduce in its skin the function of protein ATR, primordial in the multiplication of cells of the skin injured by the ultraviolet rays of the sun.

After 19 weeks of exposition to the ultraviolet light, the modified rats had developed 69% of tumors less and had developed four times little invasive tumors. However, the protective effect had not been permanent. After 34 weeks of exposition to the ultraviolet rays, all the rats had developed tumors, as it published magazine PNAS today.

- “The caffeine could be become into one efficient weapon in the prevention of the cancer because it inhibits the ATR and it acts as protective solar absorbing the ultraviolet light”, it assures Allan Conney, coautor of the study, that has forecast to test now, through new experiments, the effectiveness of the topical use of this substance in human beings.

Wine tinto against the sedentary life

2011-10-18T00:41:00.000-07:00

The exercise can be served in a bottle… of wine. A present antirust substance in high amounts in the grapes and the wine tinto, resveratrol, prevents the negative effect of a sedentary life in the organism, according to a United States research published by magazine FASEB Journal.

The scientists had carried through the studies having submitted a group of rats to a sedentary environment, that limited the movement. To a group they had supplied resveratrol. The rodents, in natural way, had started to suffer to reduction from mass and muscular force and had generated resistance to the insulina. Also they had presented low of minerals and an atony in the bones. However, the rodents that had taken resveratrol, although the little physical movement, had not developed negative consequências.

- “They exist given and information of as the necessary human body of physical activity, but, for some of us, to have this activity is not so simple thus”, explains Gerald Weissmann, publisher head of the magazine, making the obliged reference to the submitted astronauts the gravity lack, or sick people also not to move in the bed during its convalescence and the workers who more pass many seated hours that the recommended one in the office.

- “Resveratrol is not a substitute of the exercise, but it can diminish the deterioration process until the individual can come back if put into motion”, it adds Weissmann.

Oil of fish during the pregnancy increases the immunity of the child.

2011-10-16T00:41:00.000-07:00

A new study it increases the evidence of that oil supplements of fish in the diet of pregnant women can strengthen the imunológico system of the babies.

In this study, the babies had surpassed the cooled ones more quickly when its mothers had ingested 400 milligrams of supplements contend acid docosa-hexaenóico (DHA) during the pregnancy.

The DHA is important for the just-born embryo and babies, and the pregnant women must certify themselves to ingest the necessary amount, preferential from fish, and in case that she is not possible, from supplements.

The study she was part of an ample lead controlled clinical assay in Mexico. The last results are based on the data of 800 women, half of which daily ingested DHA supplements during the pregnancy.

The children of the study had been examined with 1, 3 and 6 months of age, and its mothers had been questioned if in the two previous weeks the babies had presented symptoms as congestion, muco, vomit and cutaneous eruptions, as well as on how much time these symptoms had lasted.

Although the two groups have presented similar number of illnesses, the children whose mothers had ingested DHA had had many reduced symptoms.

DHA is one of the three acid greasy of the type Omega-3, found in the fish and oils of fish. Although the DHA if has shown beneficial for the cognitivo development, the imunológico development and in the prevention of cardiac illnesses, it does not integrate the diet of most of the Americans. Gestantes also must be worried about the consumption of fish because of the mercury text.

But an increasing number of research is showing that the DHA can supply a series of benefits the babies.

The DHA is vital for the development of the infantile brain and the vision. It also can be important for the development of the systems cardiac, vascular and imunológico.

The researchers continue to investigate the benefits in the long run of the DHA and will go to study until the 5 years of the pertaining to school performance, among others results, of the children.

The inquiry also goes to allow the researchers to examine some of the results less encouraging of the study and to see if they must become areas of bigger concern. While the duration of the cooled symptoms of had been lesser in children ingesting DHA, these children had had cutaneous eruptions and vomit crises during more time.

A small number of illnesses can have guided the study, considering that cooled they were a very bigger concern of what vomits, since 200 constipations had more than occurred, but only 30 vomit episodes.

As it happens with many nutrients, the DHA benefits can vary with the taken dose. For example, while vitamin C can provide benefits in the defense against cooled, the superdosage of vitamin does not seem to offer a bigger benefit, also being able to be harmful in some cases.

In the same way, the great benefits of the DHA in diverse studies can be resulted of people who were having deficiency of this nutrient. Doses you add of DHA can not benefit people who already get the nutrient of its diet.

Box keeps heart beating, is of the body

2011-10-14T00:40:00.000-07:00

Until the moment, the agencies livings creature were carried from the givers to the patients embedded in the ice in coolants to keep them cool. However, this method alone functions for about six hours, reason for which helicopters, airplanes and ambulances are used to speed up the transport for the country.

Now, a transparent plastic box makes the service. The Organ Care System (OCS) - developed by the TransMedics company - aconchega the heart in the ideal temperature and all supplies it blood, oxygen and nutrients to it necessary to continue beating with security. A connected monitor sample still as the agency is functioning during the transport.

Man who will live 1000 years will be born in less than twenty years, affirms scientist

2011-10-12T00:39:00.000-07:00

If the forecasts of Aubrey de Grey will be certain, the first person to commemorate its anniversary of 150 years already were born. E the first person to live until a thousand years can delay less than 20 years to be born.

Biomedical gerontologista and scientist-head of a dedicated foundation the research of the longevity, Of Grey calculates that, still during its life, the doctors will be able to have by hand all the tools necessary “to cure” the aging - extirpando the decurrent illnesses of the age and drawing out the life indefinitely.

“I would say that we have a 50% possibility to place the aging under what I would call decisive level of medical control of more or less 25 years inside”, he said Of Grey in an interview before pronouncing a lecture in the Britain's Royal Institution, a British academy of sciences.

“And for `decisivo' I want to say type of medical control the same that we have today on the majority of the infectious illnesses”, it added.

Of Grey it foresees a time where the people will go to the doctor for a “maintenance” to regulate, what she would include therapies genetic, therapies with cell-trunk, imunológica stimulation and several others advanced techniques.

It describes the aging as the accumulation of some molecular and cellular damages in the organism. “The idea is to adopt what if it could call preventive geriatria, where you regularly go to repair the damages molecular and cellular before it arrives at the abundance level that is pathogenic”, the scientist explained, cofundador of the Sens Foundation (acronym of “Strategies for the Programmed Senilitude Worthless”), with headquarters in California.

He does not know yourself accurately as the life expectancy goes to behave in the future, but the trend is clear. Currently, it grows three months per year approximately, and specialists preveem that she will have a million of centennial people in the world up to 2030.

In Japan already she only has more than 44 a thousand centenarians, and the person more longeva already registered in the world was until the 122 years.

But some researchers argue that the obesidade epidemic, spreading itself now of the countries developed for the world in development, will be able to affect the longevity trend.

The ideas of Of Grey can excessively seem ambitious, but in 2005 the MIT (Institute of Technology of Massachusetts) offered a prize of 20 a thousand dollars for any molecular biologist whom it proved that the theories of the Sens Foundation “are so missed that nor they are worthy of a well informed debate”. Nobody took the haul.

The prize was instituted later that a group of nine influential scientists attacked the theories of Grey, characterizing them of “pseudoscience”. The juries had concluded that the label was not just, and had argued that the Sens “exists in a half term of ideas not yet tested that some people can consider intriguers, but of which others is free to doubt.”

It will be that a quick neutrino can contradict Einstein?

2011-10-10T00:38:00.000-07:00

Wrong Einstein? Impossible!

This was the reaction of physicists in the whole world last week when they had heard that the experiences in Switzerland indicate that the theory of the relativity of Einstein can be wrong. Since 1905, when Einstein declared that nothing in the universe more can be moved fast than the light, the theory has been the pillar of the modern physics. By the way, the majority of our electronic of high technology depends on it.

Eccentric people have years denounce the theory of the relativity of Einstein, are clearly. As many physicists, I have full boxes of amateur monographs had been sent that me by people alleging that Einstein was missed. In years 30, the Nazista Party criticized the theory of Einstein, publishing a called book “One hundred Authorities Denounces Relativity”. Einstein would play later that it is not necessary to have one hundred famous intellectuals to knock down its theory. Everything what is necessary is a simple fact.

Good, this simple fact can be in the form of the experiments most recent of the accelerating greaters of particles of the world, that are in the CERN, in the outskirts of Geneva. The physicists had gone off a beam of neutrinos (exotic particles, seemed with ghosts, that obtain to penetrate even though in densest of the materials) of Switzerland until Italy, in a distance of 730 kilometers. For its great astonishment, after analyzing 15,000 neutrinos, they had discovered that they had travelled faster than the speed of the light - 60 we bilionésimos of according to quicker, to be necessary. In 1 bilionésimo of second, a light beam travels about 30 centimeters. Thus, a difference of 18 meters was well surprising.

To breach the barrier of the light violates the nucleus of the theory of Einstein. In accordance with relativity, to the measure that you come close yourself to the speed of the light, the time decelerates, you become heavier and are plainer (everything this already was measured in laboratory). But if you travel faster than the light, the impossible one happens. The time walks stops backwards. You are lighter of what nothing, and are with negative thickness. As this is ridicule, of the one not to travel faster than the light, Einstein said.

The revelation of the CERN was eletrizante. Some physicists had been radiant of joy, because this means that the door is if opening for a new physics (and more winner of the Prize Nobel). New and bold theories need to be proposals to explain the result. Others had started to sweat cold, to if to give account of that all the bedding of the modern physics perhaps needs to be I coat. All the pertaining to school books need to be rewritten, all the recalibrados experiments.

Cosmology, or the proper way as we think the space, would be modified forever. In the distance until the astros and galaxies and the age of the universe (13,7 billion years) they would be placed in doubt. Even though the black theory of the expansion of the universe, theory of bigue-bangue and holes would have that to be reexamined.

In addition, everything what we think that we understand on nuclear physics would need to be reexamined. All child in pertaining to school age knows the famous equation of Einstein, E=MC2, where a small amount of mass M obtains to create a vast amount of energy and, because the speed of light C to the square is a so enormous number. But if C is removed, this means that all the necessary nuclear physics to be recalibrada. Nuclear weapons, nuclear medicine, radioactive dating, all would be affected because all the nuclear reactions are based on the relation of Einstein between substance and energy.

If everything this already was not sufficiently, the change would mean that the basic principles of the physics are incorrect. The modern physics is based on two theories, of relativity and the quantum theory, then the half of the modern physics would have that to be substituted by a new theory. My proper field, the theory of the ropes, is not an exception. Personally, I would have that to revise all my theories because relativity is inlaid in the theory of the ropes since comecinho.

How he will be that this fascinating discovery goes to uncurl itself? As Carl Sagan said one day, affirmations notables demand tests notables. Laboratories in the whole world, as the Fermilab in the outskirts of Chicago, will go to remake the experiments of the CERN and to try to prove or to deny its results.

My instinctive reaction, however, is that this is a false alarm. In elapsing of the decades, it had innumerable challenges to the theory of relativity, and demonstrated that they were all making a mistake. In years 60, for example, the physicists were measuring the very small effect of the gravity on a light beam. In a study, the physicists had discovered that the speed of the light seemed together with to oscillate the hour of the day. Surprising, the speed of the light went up during the day, and fell at night. Later, one uncovered that, as the apparatus was used to the outdoors, the sensors was affected by the temperature of the light of the day.

Reputations can grow or diminish. But, to the end, this is a victory for science. No theory is cut in rock. Science is implacable when times are treated to test all the repeated theories, to any time, in any place. Differently of the religion and the politics, science is determined in the end for the experiments, repeated facts times and in some ways. It does not have sacred cows. In science, one hundred authorities are not valid nothing. The experiment valley everything.

Scottish scientists you give to create inorgânica life.

2011-10-08T11:38:00.001-07:00

Scottish researchers are carrying through a pioneering inquiry to create life from inorgânicos chemistries.

All the life in the Land is based on organic biology (carbon composites), and the inorgânico world is considered inanimate.

Now, one has equipped of the University of Glasgow has demonstrated a new form to make inorgânicas chemical cells.

The objective is to create autorreplicantes inorgânicas cells that could be used in the medicine and chemistry.

To create alive inorgânicas cells (inorgânica biology), the team goes to create internal membranes that control the ticket of materials and energy through them, that is, some chemical processes who could inside be isolated of the same cell, as in biological cells.

The researchers say that the cells, that also can store electricity, can be potentially used in all the types of applications in the medicine, as sensory or to confine chemical reactions.

The research is part of a project to demonstrate that inorgânicos chemical composites are capable of autorreplicação and evolution, as well as the organic ones, to the carbon base.

The scientists believe that the creation of inorgânica life is total viable. The main goal is the construction of complex chemical cells with properties that can helping in them to understand as the life appeared, and also to define a new technology based on the evolution of the material world, a species of technology of the inorgânica life.

The bacteria are, essentially, done microorganisms of an only cell of organic chemical products. Then because not to create microorganisms of inorgânicos chemical products and to allow them evolution it?

If the research will be successful, would give to science some incredible ideas on the evolution and would show that it is not only one biological process. Also it would mean the test of that the life without being to the carbon base can exist, redefining total our concepts.

North American scientist and dutch artist create “skin” to the test of bullet.

2011-09-19T00:45:00.000-07:00

A scientist of the State University of Utah, in the United States, with the aid of a dutch artist, created a mixture of silk with skin human being capable to resist the detonation of bullets.
Randy Lewis supplied wires supplied for animal-of-silk genetically manipulated the Jalila Essaidi, that confectioned the “superskin” also using skin cells human being. The animals had been modified to produce the silk typical of teias of spiders, that is more resistant.
After tests with projectiles of bore 22, the material if showed resistant to the detonations and it was not breached, despite the bullets have penetrated in part of the layers of the “skin”.
Lewis believes that the silk produced for spiders can help surgeons to cure serious wounds and to create artificial tendões and ligaments in the future. During another study, it already he had applied genes of spiders in goats to get a loaded milk with wide amounts of the responsible protein for the production of the silk.

The olfato as key of intelligence

2011-09-17T00:36:00.000-07:00

The scientists already had asked to numerous times why the mammals (also the human beings) had been capable to develop bigger and complex brains that other animals, brains that in some cases had grown more up to ten times than relative the corporal size?

Now, a team of paleontólogos carried through an one study published in the Science magazine, where they creem to have discovered the reason: to facilitate a sensible sharp of the olfato. The secret meets in two miniature mammals of the beginning of the Jurássico with aspect of musaranho.

Researchers of the universities of the Texas and St Mary and the Museum Carnegie de Natural História in Pittsburgh (Pensilvânia) had used one technique of cat scan computorizada with rays X to study the rare fósseis of the skulls of two creatures, the Morganucodon and the Hadrocodium, of 190 million years of antiquity, whose remaining portions had been found in China.

The team discovered that these animals, two of the first known species of mammals, had well bigger brains that the waited one, especially to take in account its scarce corporal mass. The Hadrocodium badly weighed two grams.

The computorizada cat scan allowed the researchers to observe the interior of the skull of these animaizinhos without having that to destroy the valuable fósseis. Later, they had constructed a virtual mold of its brains, that had been compared with another dozen of fósseis and the brains of 200 species of mammals that live currently.

The results, according to scientists, had been surprising. Also it has 190 million years, the brain of the first mammals was especially great (in relation its corpora mass), with a size that if approaches to the ratios seen in the modern mammals.

After observing the three-dimensional images, the scientists had arrived at the conclusion of that the brain of the mammals evolved in three main stages: first he improved the direction of the olfato, later the tato or the sensitivity of the one for the corporal one, that he acted as a controller of the space and, finally, coordination to neuromuscular it.

Second, Zhe-Xi, one of the responsible ones for the article:

- “Our study sample clearly that the olfativa part of the brain and the entailed part to the tactile sensation through the skin if had extended in these first mammals.”

Box keeps heart beating, is of the body

2011-09-15T00:44:00.000-07:00

Researchers of the hospital of the University of California (Ronald Reagan UCLA Medical Center), in U.S.A., had constructed a machine capable to outside keep the heart beating of the human body. Thus, the agency can be still more active time to the wait of the cardiac transplant.

Until the moment, the agencies livings creature were carried from the givers to the patients embedded in the ice in coolants to keep them cool. However, this method alone functions for about six hours, reason for which helicopters, airplanes and ambulances are used to speed up the transport for the country.

Now, a transparent plastic box makes the service. The Organ Care System (OCS) - developed by the TransMedics company - aconchega the heart in the ideal temperature and all supplies it blood, oxygen and nutrients to it necessary to continue beating with security. A connected monitor sample still as the agency is functioning during the transport.

How the salamanders obtain to regenerate its members?

2011-09-13T00:36:00.000-07:00

In the nature we can appreciate in greater or minor degree the regenerative capacity. But it has an amphibian that it calls the attention sufficiently and is object of many studies for its capacity to regenerate one of its members some times.

We speak of the salamander. When one of these salamanders loses, for example, a leg, forms on “cotoco” a small lump, called blastema [/url] [/b], that in turn only delay 3 weeks in if transforming into a new completely functional leg, a sufficiently short period if leading more in account that the animal can live 12 years or. In a human being, this would be equivalent to not more than regenerate an arm or leg in 5 months.
When a salamander loses one of its legs, the sanguine vases of “cotoco” if they contract soon: it is scrumbled hemorrhage and a layer of dermic cells recovers the surface quickly. During the following days to the injury, this epidermis is changedded into a layer of emitting cells of indispensable signals for the success of regeneration.

The fibroblastos (cells of the fabric connective that intervines in the cicatrização of wounds) migram and are dislocated for the surface of the cut to be joined in the center of the wound. There the cells of blastema proliferate.

Until it has some few years, gave credit that the cells of blastema were capable to regenerate any fabric. But a study developed for the Center of Regenerative Therapies of Dresde in Germany and published in 2009 it demonstrated that the cells of blastema do not become pluripotenciais during the regeneration of members.

Instead of this, they hold back one strong memory of its fabric of embryonic origin. That is, that the cells of the muscle manufacture muscle and of the cartilage, cartilage. According to researchers, the potential of the cells is restricted and they do not regenerate any type of agency or fabric.

Beyond regeneration, the salamanders make it without they are with sequelas such as scars. To reconstruct weaveeed without leaving scar some is something that also would result very beneficial it Human being, since the fabric cicatricial in certain parts of the anatomy human being can hinder the correct recovery of the functionality same them, beyond the aesthetic questions to show the scars in visible places.

Scientists unmask as bat-vampire knows where to bite

2011-09-11T00:35:00.000-07:00

The vampires of the films know that the neck is optimum place to bite to obtain the blood of a defenseless maiden. But as its relatives of the real world, the bat-vampires, they make this evaluation was a mystery for the scientists. Now, American researchers had discovered that an joined special molecule in the nerves of these animals the aid to detect optimum place to bite its canine tooth.

According to group of the University of California in San Francisco, the molecule if calls TRPV1 and is capable to detect minimum variations of temperature, as a minidetector infra-red ray. With this, the animals know accurately where to bite to make right a vein and to liberate the blood.

A variation of the same molecule also is found in the human beings: it helps, for example, to detect the flavor of a pepper or to identify a surface that can relieve a burning.
The discovery was published in the specialized magazine Nature in this Wednesday (3).

Scientists find bacterium that gets energy of hydrogen

2011-09-09T00:34:00.000-07:00

n international team of researchers found for the first time, in the abissais deepenings of the ocean, bacteria that use hydrogen as power plant to produce substance organic, informed in this Wednesday the National Center of Scientific Research of France (CNRS, in the acronym in Frenchman).
The results of the research, carried through with the German institute Max Planck and the University of Harvard, U.S.A., and published for the scientific magazine “Nature”, open “interesting perspectives” in the sector of the biotechnologies and of the energies you renewed, according to a note of the CNRS.

The scientists had found the bacteria the 3,2 a thousand meters of depth in the field of Logatchev, a submarine mountain range in the way it way between the Caribbean and the African islands of Green Handle.
The region is a zone of production of hidrotermal energy in which these organisms, that live in symbiosis with mussel banks, consume up to 50% of set free hydrogen.
According to given collected, in the analyzed extension of land they are consumed up to 39 million liters of hydrogen per year.
The researchers had also discovered that the responsible gene for the chemical transformation of hydrogen can be found equally in bacteria that live in association with other hidrotermais organisms, as worms and shrimps.
“The discovery implies that the capacity to use hydrogen as power plant is habitual (...) in the places where the hydrogen abunda”, designated the CNRS.
These “extreme” ecosystems interest particularly the scientists for sheltering conditions in which if they develop forms of primary life on the Land, it explained the French center.
In these hidrotermais zones, the animals live in symbiosis with bacteria that are capable to produce organic substance by means of the transformation of chemical energy, instead of making it by means of the luminous energy, as in the case of the plants.
Although already they have been discovered capable bacteria of if feeding of methane and sulfureto of hydrogen, the hydrogen use for the same ones results more interesting for the scientists. According to CNRS, its productivity the others are up to 18 times superior of these two power plants.

The valuable blue blood of the crab-horseshoe

2011-09-07T00:33:00.000-07:00

The crab-horseshoe (Limulus polyphemus) is one of the beings livings creature older than they exist in the planet. One stranger creature who seems exit of the film “Alien”, capable to support up to one year without if feeding and to resist extreme temperatures and salinities. A fossil living creature that inhabits our planet since has 445 million years before also that the dinossauros.
But now its number if finds in decrease of slow form, but constant, due to climatic change, it fishes it predatory and the captures for the pharmaceutical industries. Unhappyly for the animal, its quoted blue blood has numerous medical uses and is used to save myriad lives human beings.
Since 1950, when scientists had discovered that the blood of blue color of the crab-horseshoe if coagulava in contact with the bacteria E.coli and Salmonela, the research had never more stopped. One of these last studies if centered in a peptídeo that the crab-horseshoe elaborates and that it inhibits the response of the Virus of the Imunodeficiência Human being. The assays daily pay-physicians show that he is so effective as the zidovudina, a classic medicine against the AIDS. Also astronauts of NASA had tested in International the Space Station a medical device of high technology that uses primitive enzymes of the crabs of horseshoe for the diagnosis of illnesses human beings.
The secret that makes that the blood of the crab is of great utility for the biomedical industry is based on the simplicity and effectiveness of its imunológico system. A true enzyme cascade, that produces coagulation when they meet with the material of the cellular walls of the majority of the bacteria. The crab-horseshoe lives under constant threat of the infection in a habitat that can contain thousand of millions of bacteria for milliliter.
The difference of the human beings, the crabs do not have hemoglobina in the blood, senão that use the hemocianina to carry oxygen. E is due to copper presence in the hemocianina and not of iron, that the blood acquires the peculiar blue color.
This blue blood is so important that probably many of us we must the life to these crabs. E is not one exaggerates since the LAL (lisado of amebócitos of Limulus) watery extract of amebócitos of the crab is used with frequency in tests to detect the bacterial endotoxinas in numerous pharmaceutical products. Beyond being a form singela, cockroach and insurance to detect impurities are an important tool in the development of new antibiotics and vaccines.
The blood of the crab-horseshoe if not only converted into a powerful “medical weapon”, also is a great business. In the world-wide market, one liter of blood of this crab has an approach price of 15.000 dollars. An industry that generates 50 million dollar to the year alone in U.S.A. But this empalidece in comparison with its value for the pharmaceutical industry.
To get composition LAL, the blood of the least is required 500,000 crabs to the year, of which they are around extracted of 100 milliliters having perforateed the pericárdio of its primitive heart. During process 15% of the crabs they die, excessively are returned to the water.

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2011-09-07T00:09:00.000-07:00

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Youngling of leopard of 2 months calls attention almost making pose human being

2011-09-05T00:29:00.000-07:00

The leopard-misty youngling “Sumalee”, been born in 14 of June in a zoo in the American state of Washington, called attention in photos made in the last days. It obtained to support itself on the two back legs and to open the front legs, in a pose almost human being. OZoológico and Aquário de Point Defiance are next to the city to Tacoma, and are one of the three only ones of the country that reproduce this species of felino, threatened of extinguishing.

Tubarão rare that it shines in the dark one can become “invisible”

2011-09-03T10:29:00.001-07:00

The first detailed study of rare the splendid Tubarão lantern (splendid lantern shark, Etmopterus splendidus) it discloses that it not only shines in the dark one, but its effect of light create a “mantle of the invisibilidade” protects that it of predators.

The research is also the first one to around register the presence of the Tubarão of cylindrical form in waters of the Okinawa islands, in Japan. Previously, it was confirmed that the Tubarão existed only in the Sea of Eastern China, to the plaza of Taiwan, and in waters to the south of Japan.

Its spectacle of natural light, produced for fotóforos called emitting agencies of light, serves for some functions. Perhaps the layer of the invisibilidade is most beneficial of these functions, therefore it helps to protect the small Tubarão.

“The fotóforos substitute the light of the sun, that is absorbed by the body of the Tubarão”, the scientist Julien Claes explains. “The silhouette of the Tubarão, therefore, disappears when seen of low”.

The researcher and its colleagues had collected and kept three units of the Tubarão lantern in captivity.

The analyses had disclosed that each one had nine distinct luminous zones. Some of these zones, as one in the belly, contribuíam for the effect “mantle of the invisibilidade”. Others, still more shining, were gifts in the sexual agencies, the flanks, the tail and pectoral paddles of the Tubarão.

The researchers suspect that these zones are probably used during adestramento and sexual communication. “The tubarões use internal fertilização, therefore the presence of fotóforos in the sexual agencies can facilitate the acasalamento”, said Claes. “Moreover, also it can be a way tubarões to signal them that they are ready to acasalar, or that they are better candidates for the reproduction”.

The scientists also believe that mainly the nerves and hormones control the light, with pigments if moving cells as party to suit.

This luminescence probably evolved when the tubarões lantern had colonized the deep one of the sea during the end of the Cretáceo, the 65 75 million years behind. The splendid Tubarão lantern, today, lives of 200 the 1,000 meters below of the surface, areas with extremely low levels of light.

Previously, the same team studied another member of this family of tubarões, lixinha of the fundura (velvet belly lantern shark, Etmopterus spinax). As much this as the splendid Tubarão lantern has luminous zones and other similar characteristics.

It is, therefore, probable that its capacity to shine evolved very before its clado one (group of organisms originated from only ancestral a common one) dividing, at least 31,55 million years behind. It is until possible that many other prehistoric marine animals could shine in the dark one.

“Unhappyly, the phenomenon of the bioluminescência in soft fabrics does not leave, or leaves few, fósseis tracks very”, said Claes. “Therefore, it is very difficult to establish if animal prehistoric they were luminous, but it is probably the case, at least in the deep one of the sea”.

At least 33 species they exist in this family of Tubarão, however, still has very to be discovered on these inhabitants of the deepenings of the ocean.

Payday loans

2011-09-03T00:32:00.000-07:00

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How the industries determine the accurate day where a food go to be successful

2011-08-06T16:05:00.000-07:00

He does not have a standardization: each company develops a proper calculation to point the date of validity of a product, but later necessary approving it with the agencies of fiscalization of the government. “She is clearly that, exactly thus, she does not have as many differences between the calculations. Great companies adopt a method and many times lesser manufacturers copy. But, as these use less efficient techniques and equipment, it can have differences in the stated period of validity presented for its products”, says the federal inspector farming Nelmon de Oliveira, director of the Department of Inspection of Products of Animal Origin of the Ministry of Agriculture. In the case of the sausage, for example, the method most common is to place it num surrounding with controlled temperature and humidity and to carry through, the small intervals of time, chemical analyses that point if it started if to ruin. The fiscalization of the government is carried through to know if the used methods for the companies are enough to determine a safe stated period. If to verify that the product is not good for the consumption, the inspectors can fine the manufacturer or until the establishment where the product is vendido - case it has not followed the measures recommended for stockage and exposition.

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2011-08-06T16:03:00.000-07:00

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Which the difference between eatable, poisonous and alucinógeno mushroom?

2011-08-03T00:16:00.000-07:00

As many species of mushrooms exist - is said in 1,5 million - and no physical characteristic denounce the alucinógenas presence of poison or substances, he is very difficult (and dangerous) to differentiate them in “olhômetro”. To make matters worse, they is esteem that nor 5% of the species are classified in biological literature. This means that nor a micologista (specialist in fungos) very experienced can thread in the mouth a mushroom found in the way of the forest. Exactly that it if seems very an eatable species, it is good for distrusting, after all one same sort can have species that kill, leave doidão or, simply, fulls the belly (it sees the example of the sort below Amanita in the photos). In laboratory, it has two forms of if identifying a mushroom: morphologic analysis and biochemist. The first nothing more it is of what comparing the characteristics of the species found with the ones of already identified and catalogued in scientific books. For this, one takes in account the format, the measures and the coloration of the mushroom. Exactly that it if seems some known species, for precaution is analyzed by a trained biochemist to identify to the presence of toxins (as the alpha-amanitina, found in the Amanita phalloides) and alucinógenas substances (as the psicilobina, of the Psilocibe cubensis).

Which is the temperature necessary to fry an egg in the street?

2011-08-01T00:15:00.000-07:00

The respect does not exist no serious research, but the scientists have some palpites. “To fry an egg, the surface where it goes to occur the fritura must be to ones 60 ºC. I find that in a city as Rio De Janeiro, of the one to reach this temperature when the ambient temperature is about 40 ºC”, affirms Jivaldo chemistry of the Matos Rosary, of the University of São Paulo. So that the fritura occurs, it is better that the egg is in asphalt - it is black, he does not reflect no specter of solar light and slowly goes absorbing the heat. Second, the humidity of necessary air to be low, so that the heat emitted for asphalt is not reduced by the vapor of agua in the atmosphere. In days when the thermometers mark around 40 ºC, with the sun the bolt, is well possible that the temperature of asphalt pass of the 60 ºC. The egg receives this transference from heat and starts to fry. This rolls because the proteins that exist mainly in the clear one pass for a regrouping: they move of a half weak union, that of a gosmenta consistency of the raw egg, for a stronger union, generating the consistency most solid of the egg I fry. Then, already she knows: in the lack of a frying-pan, she waits one day hot and dry pra to make a beautiful omelette!

Why escargots is so expensive?

2011-07-30T00:14:00.000-07:00

Simply because of the one injured work to create these gosmentos bichinhos and to leave them ready to be consumed. Without speaking that, for being a very fragile animal, the productivity is very low. “One escargot leads of six the eight months to reach 15 grams, that are the minimum weight to go to the table”, it affirms the engineer agronomist Carlos Alberto Funcia, pioneer in the creation of escargots in Brazil. Throughout all these months, beyond very fed well, the younglings need to be created in an environment with temperature and ideal umidades. “For being a sensible animal, the tax of mortality in commercial creations varies of 12 15%”, says Funcia. Mortality in creations of chickens, for example, is of about 5% and in the ones pigs, of 10%. It sees what it rolls with this snail until arriving at the bacanudos restaurants

How much time if can only live with bread and water?

2011-07-28T00:13:00.000-07:00

He is difficult esteem, therefore he goes to depend on the nutricional state and health of the person, but he has stories of people who lived years alone the bread and water, even so with péssima quality of life. According to nutritionist Vanderli Marchiori, of the Brazilian Association of Esportiva Nutrition, is extremely risky somebody to limit its feeding only these two components. “This diet does not satisfy our necessities nutricionais, therefore the bread alone has carboidrato and needs to also ingest proteins and fats”, say. The first consequences of this diet maluca are of muscular mass of hair of the skin and, in the suspension, drying, fall, loss case the women of the menstruation. Later, the problems are more serious. The agencies go giving bankruptcy signals and the person starts to suffer from fatigue and anemia, is subjects the infections and has lapses of memory and intense sleep. After that, kidneys and liver stop to function, culminating in a collapse of the heart. It seems incredible, but it only has stories of aged kept by months the bread and water in asylums managed for unscrupulous people.

Who is the player ugliest of the world?

2011-07-26T00:11:00.000-07:00

He is the English Iain Dowie, an unknown athlete in Brazil that already dressed the shirt of the also little famous Crystal Palace and Charlton. After to leave the lawns in 2008, in the season of 2009 the feioso assumed the assistant appraiser function of the Newcastle United.
The heading nothing honroso was conferred by the English tabloide The Sun, that used a demolishing phrase to define the aesthetic one of Dowie: A little of each one of the personalities imagines ugliest. Thus it is Iain Dowie. The young man who pardons in them, but, in fact, it not cousin for the beauty: he excessively has deep eyes, disproportionately small ears, twisted mouth and seems to be always with face of I cry. The ferina list of The Sun still brings one ídolo Brazilian, Ronaldinho Gaucho. Elect two times for the Fifa as optimum of the world, the meiaatacante of the Milan was with the room place in the question dog absorbing sleeve, behind the English Luke Chadwick, whom Keynes Dons plays in the Milton, and of the dutch Dirk Kuyt, of the Liverpool.

How the bat-vampires attack?

2011-07-24T09:06:00.000-07:00

First they find its canine tooth with aid of a species of internal radar and later they bite its skin with sharp teeth. Of 1 100 species of bats more than known, only three if feed of blood: the bat-vampire-common one (Desmodus rotundus), the bat-vampire-of-wing-whites (Diaemus youngi) and the bat-vampire-of-leg-hairy ones (Diphylla ecaudata). The three species (it reads more on them in the site of ME) only live in the American continent, of the south of the Texas to Argentina. The vampires do not attack human beings: the bat-vampire-common one prefers animals bigger, as oxen, cows and horses. The others two species advance on hens, birds and wild animals of lesser transport. As these bats alone ingest blood, they more than do not resist three days without the liquid. Amongst the mammals, the bat-vampires are only the exclusively hematófagos ones. They live in colonies of 20 the 100 individuals and are, together with the too much species of bats, the only mammals total adapted to the flight - others, as the squirrel-flyer, only obtains to glide. This if of the one thanks to the membranes that join four of its five fingers of the previous members (equivalents to the hands). The bats integrate the order Chiroptera, the second greater in number of species between the mammals. The Chiroptera name has origin in the words Greeks quiro (

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2011-07-24T08:54:00.000-07:00

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Scientist wants to recriar dinossauros

2011-07-17T11:29:00.000-07:00

Aaaaaaaagh
Of the one “to construct” one dinossauro in full century 21? The North American palentólogo Jack Horner finds that yes.
The form most immediate to make this would be from a sample of the DNA of the bichões. But, according to Jack, although some of the fósseis already found to be surprising conserved well (some still with sanguineous vases), none so is preserved thus, the point to contain unbroken DNA - of the type necessary to recriar a Jurassic Park. Pôxa.
It remained to look at, then, for the descendants of the prehistoric monsters: the modern birds. The hens, according to paleontólogo, have the key to recriar one dinossauro recorded in its genomes. In accordance with it, they still has characteristics as teeth, express claws and tails there in fundinho of the genes - they had only been “off” in some point of the development of the animals. E Jack and its team, in the case, intend to bind them again.
They had now argued these plans in one of the events of the TED back in U.S.A. in March. If you understand English and want to know more, if she plays in the video of the lecture.

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2011-07-17T11:28:00.001-07:00

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It knows the 5 bigger supercomputers of the world

2011-07-14T00:15:00.000-07:00

The site Top500.org brought up to date the list with the biggest supercomputers of the world, machines capable to process trillions of commands at the same time - something practically impossible to be imagined. Between the five first supercomputers, we find two of them in the United States, one in Germany, another one in Sweden and another one in India.

The supercomputers are ranqueados by the number of processors and teraflops. Flops, in computation, is an acronym that means Floating point Operations Per Second that, in Portuguese, wants to say operations of floating-point for second. That is used to determine the performance of a computer, specifically in the field of scientific calculations, that make great use of calculations with floating-point; similar the instructions for second. 1 Teraflop is equivalent the 10 ¹ ² flops.

1 - Lawrence Livermore DONATES to Blue Gene

This Blue Gene, of IBM, possesss 213 a thousand processors and supports up to 478 teraflops. Located in the United States.

2 - Julich Supercomputing Center Blue Gene

This another Blue Gene, also of IBM, if finds in Germany. It counts on 65 a thousand 167 processors and supports teraflops.

3 - New Mexico Computing Applications Center

Used to manage the water suppliment of one of the areas less populous of the planet, this supercomputer is a good excuse for theories of the conspiracy. But the fact of it to cost less than a North American normal house is surprising. Teraflops supports up to 172 and possesss servers SGI HOISTS Blade.

4 - TATA CRL Lab HP Cluster

This machine of the HP, just ordered, places India enters the five bigger supercomputers of the world. It counts on 14 a thousand processors and a 3000 system HP Blade.

5 - HP Bladeserver Cluster of the Swedish Army

This is “the more private” supercomputer of all, therefore the known data of this machine are few. However, according to information of the proper Swedish army, this supercomputer will be a HP BladeSystem with 14 a thousand 103 processors and that teraflops will support.

Lookeen 2010 - It finds e-mails easily

2011-07-12T00:11:00.000-07:00

In this technological world, the email is certainly one of the services more used by the users for information exchange. Daily, our electrónico mailboxes go accumulating e-mails, with the most diverse types of information, becoming difficult the share to find one definitive email.

Today we go to know the Lookeen an excellent solution for indexation and research of e-mails, annexes, contact, tasks, etc.

The Lookeen is a professional solution that integrates with Microsoft Outlook and that it allows to find e-mails easily, disponibilizando a set of research filters. Although the tool of research of the Outlook to have sufficiently evolved in the last times, the truth is that it continues to make use of few options and in some situations the results not yet is trustworthest.

The Lookeen is thus an excellent alternative for who the email is a tool of essential work and works with great volumes of information. The Lookeen disponibiliza a bar in proper outlook that it allows the user to effect a personalized research. For the tests that we carry through the application (as an example, my mailbox has currently about 30.000 e-mails), the research is sufficiently fast and the sufficiently consistent results.

Beyond making possible the research of email, the Lookeen it allows the search for annex, meetings, tasks, reminders and contact. Another one of the excellent characteristics of this application is the possibility to integrate with the Desktop. In such a way, we can all carry through research in the record of our system.

According to information of the proper company, the Lookeen obtains to carry through research in mailboxs that they have up to 100 GBytes of information. For companies, a time that these generate much public information centrally, the Lookeen disponibiliza one “shared index”, that it is not more than the possibility to indexar a set of information publishes so that the partners and employees can accede more quickly to this information.

The Lookeen is without a doubt an excellent professional tool, that offers functionalities sufficiently interesting as for the indexation of information. The application is available per 14 days but in the next days we go to have some new features here in pplware. Meanwhile, the users who possess Microsoft Outlook can try and validate the characteristics presented here.

Single Cup Coffee Makers

2011-07-11T11:34:00.000-07:00

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Imperfection of security in Internet Explorer allows robbery of passwords

2011-07-10T00:09:00.000-07:00

A researcher of the security area affirmed to Reuters in this thursday (26/5) that an imperfection in Internet Explorer navigator can allow the robbery of passwords of sites as Twitter and Facebook. “Any site. Any cookie. The limit is in its imagination”, affirmed the independent researcher Italian Valotta Rosary. It defined the imperfection as “sequestration of cookies”.

In accordance with Valotta, hackers could get access the archives stored for browser - the calls “cookies” - through the imperfection. Between the archives, they could be the names of users and passwords for accounts of sites of web.

The vulnerability affects all the versions of the navigator, including Internet Explorer 9, launched recently for Microsoft. According to Valotta, hacker must persuardir a victim to drag an object for the screen of the computer so that cookie either sequestrado. Although to seem a difficult task, the researcher affirmed to have obtained 80 cookies in three days applying the technique in the Facebook. “And alone I have 150 friends in my list”, said.

Microsoft, on the other hand, affirmed that it does not have great risk of hacker to get success with the tram. “To be affected, a necessary user to visit a site suspected, to be convinced to drag item for the page and the aggressor would need to have as white coookie of a site which the user was connected at that moment”, it affirmed Jerry Bryant, spokesman of the company.

EA Games goes to launch social games of SimCity and the Simpsons for Facebook

2011-07-08T00:08:00.000-07:00

Electronic Arts, known for the publication of games as Need will be Speed and Medal of Honor, goes to launch two social games for Facebook; one based in the television series the Simpsons and another one in the SimCity surmounting, affirms the MCV. Both the games will be produced by the Playfish studios, rival of the desenvolvedora greater of social games of the world, the Zynga.

Since March, the EA Games studies the possibility to create games for the social net in accordance with, since the base of users, beyond gigantic, seems to be sufficiently income-producing, the president of the company, Frank Gibeau. At the beginning of this month the CEO of the EA Games, John Riccitiello, also affirmed that, thanks to the satisfactory results around the digital media, the company would have more focus in the publication of these games during the year.

Currently, the Zynga makes success with considered games previously “copies” of the games published for the EA Games, as it is the case of the proper CityVille (2010). The social game exceeded 100 million users in less of one year, and it was always compared with the SimCity game (1989).

Crackers uses the death of Bin Laden to infectar using of the Facebook

2011-07-06T00:08:00.000-07:00

Crackers is if using to advantage of the death of Osama Bin Laden to spread links malicious. According to agency of Reuters notice, the messages promise to show videos of the historical murder.

Still in accordance with the agency of notice, one of the main targets is the users of the Facebook, who have received private messages on behalf of known people, asking for so that they copy malicious codes to have access to the videos of the death of the terrorist.

When following the instructions of the messages, internauta of the total access of its account for crackers. According to Mikko Hypponen, head of research of the manufacturer of antivirus F-Secure, the evil intentioned has used the proper stolen accounts to propagate the virus and to send Spam to the friends of the infectado user. Beyond the Facebook, them also they are using emails loaded with links contaminated.

This type of malicious campaign if uses to advantage of news events to propagate virus and to steal given. In accordance with the executive, other modalities of infection saw web had used the Real Marriage and tsunami in Japan as decoy. “I believe that the attempts of attacks using the death of Bin Laden must persist for some months”, it concluded.

Planet with red sky can be inhabitable

2011-07-05T00:05:00.000-07:00

One of the planets that 581d around turns of the Gliese star-dwarfed could be inhabitable, with propitious climate for the water existence in liquid state and life, as a study that one has equipped of climatologistas it finishes to publish. The Gliese 581d, third planet that gravitates around of the dwarfed-red, could be in a colored penumbra, with a dense atmosphere and a thick misty layer.

Discovered the 500 astronomers want to determine if some of exoplanetas are apt to shelter the life. Seven times more massive than the Land and pparently rocky, the Gliese 581d “could be the first discovered potentially inhabitable planet” until today, announced this monday the French National Center of Pesquisas Científicas (CNRS) in an official notice.

Detected in 2007 the 20 year-light (1 year-light = 9,5 trillions of km) of the Solar System, the Gliese 581d was considered in the cold occasion excessively to be inhabitable, that is, with compatible temperatures with the water presence in liquid state in its surface.

This exoplaneta, that it gravitates around of a little hot star, a dwarfed-red, receives three times little energy in comparison with that the Land receives from the Sun. Also it is possible that it always has the same face directed toward its star, while to another one remains in perpetual blackout.

Although the disadvantages, the Gliese 581d could benefit of a effect greenhouse, that it of the one hot climate “the point to allow the formation of oceans, clouds and rain”, as a modelização that illustrates “the great variety of possible climates for the planets of the galaxy”, added the CNRS.

In this simulation, the team of Robin Wordworth and François Forget, of the Laboratory of Meteorologia Dinâmica (LMD) of the Institute Pierre Simon Laplace of Paris, if inhaled in the used models for the study of the terrestrial climate, extending the gamma of possible conditions.

If it will have a dense atmosphere in carbon dioxide (CO2), what it is considered very probable by the scientists, exoplaneta can prevent the condensation of its atmosphere in the nocturnal face and also to have a hot climate.

After a called phenomenon “diffusion Rayleigh”, that of a blue tonality to our sky, the terrestrial atmosphere reflects for the space an important fraction of blue brilliance, limiting the heating of our planet. A effect that is little sensible with the red, according to scientists, whose works had been published in the scientific magazine The Astrophysical Journal Letters.

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2011-07-05T00:01:00.000-07:00

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It is possible to transform human into you buzz

2011-07-03T00:05:00.000-07:00

The scene is always the same. Desert streets, spread garbage, abandoned building and a group of human beings try to survive to the extermínio buzzed. It remembered films as the dawn of deceased, Extermínio, evil Resident or the series Walking Dead, certain? But, it will be that it is possible to create a malignant virus that will give beginning to the Apocalispe Zumbi? Perhaps, but it will not be easy for the scientists.
A professor assistant of psychiatry of the University of Harvard, Steven C. Schlozman, already walked thinking about this and until the autopsy wrote a book “Buzzed” (The Zombie Autopsies), a series of removed excerpts of fiction of the notebook of notations of the “last scientist ordered to the Sanctuary of United Nations studying a plague buzzed”. The book must even give fear in those customary ones in attending to films of half human beings, half corpses, devorando pulled out members.
According to Schlozman, an efficient agent could aim and detach parts from the human brain. In this way, the individual would keep some unbroken motor capacities as to walk (in slow camera) and to eat (human). However, its lobe frontal, that is responsible for the morality, for the planning and for inhibiting impulsive actions it would leave to exist.
To create these ambulant beings that walk for there grunhindo behind the next meal she would be necessary only one protein. Schlozman explains that the deterioration of the lobe frontal could be caused by means of an infection for a protein, in particular a call príon. Príons is proteins capable to modify other proteins. These composites are responsible, for example, for the illness of the Cow Insane person.
The first step is there. To contaminate the human beings with one príon that it finishes with our moral and limits. However, the transmission of these proteins is easy to control. The animal would go to catch exactly if some scientist maluco fixed príon to a virus that if spread quickly and took the contaminante agent direct to the brain of the futures buzzes. The task, for general joy of the human beings, would not be easy.
It is not easy, but it has insane person for everything. The director of transplants and infectious illnesses of the General Massachusetts Hospita, in Boston, Jay Fishman, considers that if the virus uses that cause encefalite, an acute inflammation of the brain. You finding little? The face still considers to use the virus of the Herpes or the virus of the Nile Occidental person, causer of a lethal illness spread by the bite of infectados mosquitos. Our luck is that he himself admitted that to bind to one príon and a virus is part of a “well improbable scene”. But some scientific products had been born of ideas that seemed improbable, certain?
After the infection she would be necessary to control príon so that the brain of Zumbi is not completely lost and it enters in eats. For this, Schlozman suggests to add salt to induce metabolic alkalosis (loss of acid in the organism). With the alkalosis “you would have convulsions, tremors and would be igualzinho one you buzzed”. He is better to start to storage weapons, the ammunition and if to prepare for the hunting in the style of the group of Zumbilândia.

Stephen Hawking: God did not create the universe

2011-07-01T00:01:00.000-07:00

LONDON - God does not have more place in the theories on the creation of the universe, which had to a series of advances in the field of the physics, affirms the British scientist Stephen Hawking in its new book, that had stretches divulged in this thursday.

Demonstrating a harder position in relation to the religion of what assumed in the pages of the international bestseller “the One soon history of the time”, of 1988, Hawking says that Big Bang was simply a consequência of the law of the gravity.

“For having a law as the gravity, the universe it can and it will go to create to he himself of the nothing. The spontaneous creation is the reason for which something exists instead of not existing nothing, it is the reason for which the universe exists, for which we exist”, writes celebrates it scientist in “The grand design”, that it will be published in series in the periodical Teamses.

“It is not necessary that Gods evoke to illuminate the things and to create the universe”, adds.

Hawking if became world-wide famous with its research, books and sets of documents, although to suffer since the 21 years of age of a degenerative motor illness left that it dependent of a chair of wheels and a sintetizador of voice.

In “One soon history of the time”, Hawking suggested that the idea of God or a being the holy ghost is not necessarily incompatible with the scientific understanding of the universe.

In its more recent work, however, Hawking it cites the discovery, done in 1992, of a planet that gravitates a star is of our Solar System, as a landmark against the belief of Isaac Newton of whom the universe could not have appeared of the chaos.

“This becomes the coincidences of our planetary conditions - only Land and, sun happy combination in the distance between the Sun and the solar mass - well less important, and well less convincing, as evidence of that the Land was carefully projected to only please to the human beings”, affirms Hawking.

Red rain!

2011-06-30T00:59:00.000-07:00

In July of 2001, a mysterious red rain reached a great area of the south of India.

Inhabitants believed that rain was an announcement of the end of the world, but the official explanation was of that rain had been caused for the dust of the desert that was blown of the Arabian peninsula.

But Godfrey Louis, a scientist in the region, was presumptuous of that it had something more uncommon happening.

Louis discovered that gifts in rain were very small biological cells, but, for the fact of these cells pparently not to present DNA, the essential component of all the life in the Land, the scientist concluded that these cells could be foreign forms of life.

“This incredible allegation is that (the cells) they are, possibly, extraterrestrial. This is a great allegation, I knows, but all the experiments apóiam this allegation”, said Louis.

The work of Louis placed in action a chain of events, with scientists in the world all debating the origin of these mysterious cells.

The main reason why the ideas of Louis had not been ridicularizadas immediately after its launching was the relation with a theory defended for two British scientists since the decade of 1960

The deceased Fred Hoyle and professor Chandra Wickramasinghe had been the main scientists to defend the Panspermia, the idea from that the life in the Land if originated in another planet.

The scientists had speculated that the life was brought for the Land for a comet. In the last decade, the Panspermia has been each time more taken the serious one.

The space agency American NASA is each interested time more in the search for extraterrestrial life.

To find life in another place of the Solar System would be a vital stimulaton for the theory of the Panspermia.

Another division of NASA is dedicated to the study of batteries found in the Land that can survive the extreme conditions.

To find these types of battery can become most likely the survival of microrganismos during a trip for the space, in a meteorite.

“Bacteria need to aguentar the extreme cold of the space, the vacuum, ultraviolet radiation, cosmic rays. It seems to want very of a bacterium. But, of what we know, the survival in the space more or less is guaranteed. Bacteria seem to have been born to be travelling of the space”, said Wickramasinghe.

Inquiry

The BBC folloied Wickramasinghe professor in a trip to India in the way of 2006 to investigate fenônemo of red rain.

Together with Louis, the scientists had visited people who had testified rain.

Wickramasinghe examined the work of Louis, that sample that red rain can duplicate 300º C, an essential attribute of a microorganism that had that to aguentar extreme temperatures.

Everything this convinced Wickramasinghe of that red rain is a form of foreign life.

“Before coming, it had great doubts if red rain was same an indication of life coming of the space, new life coming of the space”, said.

“But, reflecting and after talking with Godfrey (Louis), I go to believe that (red rain) it represented an invasion of microbes of the space”, it added.

Many scientists remain skeptical. But if Wickramasinghe and Louis will be certain, will be the strongest test of that the theory of the Panspermia can be correct.

Company presents helicopter-airplane

2011-06-28T00:57:00.000-07:00

A hybrid helicopter capable to fly more than the 400 km/h must be one of the attractions of the Aerial Hall of Paris, between 20 and 26 of June.

For being an aircraft that flies how much an airplane so quickly, but with the maneuverability of a helicopter, the manufacturers of the Eurocopter are calling it to X3 “watershed”.

The Eurocopter says that the X3 can be used for operations of search and rescue and any another mission where the speed is primordial.

Beyond the horizontal helices that make possible the vertical take-off and landing, the hybrid has also two turboprop ones mounted in small wings that allow speeds above of 400 kilometers for the moment.

Panspermia: a fascinating theory

2011-06-27T06:47:00.000-07:00

E if the life in the Land had not been created…. in the Land? E if everything what we know had had origin here, but before in a distant and unknown point the Universe? E if had been a meteorite to bring the first cells for our planet and we did not pass all of foreigners?

The panspermia is a theory that appeared for the first time in the Civilization Greek, 5 centuries before Christ. Deriving from the words “seed” and “everything”, it defends that the life exists all for the universe, and the Land is only one of the many bodies where the seed of the life was placed.
Theory of the conspiracy or, the theory of the panspermia was not revived in century XIX for some modern scientists who had defended that this fenómeno would be the cause of the birth of some new illnesses, of the epidemic crises and the necessary genetic constitution for the macroevolution (the evolution of Darwin thus would be explained by the fact of all the extra-terrestrial organisms that we today know to be e, therefore, to be accustomed to adaptarem it new environments).

The life could, then, the same arrive at the Land through different solar systems or planets of solar system and for radiation. The studied form more of panspermia is by means of a meteorite: when the terrestrial conditions if had become favorable to the life development, a meteorite would have crossed the atmosphere, bringing for the Land the first organisms with life - cells - that they would have been developed during millions of years for the life forms that we know today.

One of the arguments of the defenders of this theory is the red rain of Kerala, that devastated India of 25 d July the 23 of September in 2001. Although some scientists to have joined a justification for the color of rain - they would be seaweed remaining portions of surrounding zones - in 2003 two scientists had appeared with the hypothesis of that the color if would derive from extraterrestrial particles of a meteorite that would have entered in the atmosphere in the same height. Although this hypothesis never if to have proven, the doubt is in air.

As any another theory, exists innumerable limitations and critical and the truth is that never it met vestiges of life in any another planet, beyond the Land. Meanwhile not to happen, nothing can be proven e all the theories does not pass exactly of this: hypotheses!

Fossil shows that legless lizards are not snakes

2011-06-27T06:46:00.000-07:00

The discovery of a fossil can change the way scientists understand the evolution of snakes. Um lagarto chamado Cryptolacerta hassiaca, que viveu há cerca de 47 milhões de anos, deu a primeira evidência anatômica neste sentido. A lizard named Cryptolacerta hassiaca, who lived about 47 million years ago, gave the first anatomical evidence in this regard.

Um estudo publicado pela revista “Nature” concluiu que as cobras e os lagartos sem membros (da subordem Anfisbena) evoluíram separadamente. A study published in the journal "Nature" found that snakes and lizards without limbs (the suborder amphisbaenia) evolved separately. A pesquisa foi feita por cientistas da Universidade de Toronto, no Canadá, e do Museu de Ciências Naturais de Berlim, na Alemanha. The survey was conducted by scientists at the University of Toronto, Canada, and the Museum of Natural Sciences in Berlin, Germany.

Foi constatado que o Cryptolacerta tinha um crânio muito duro, típico dos répteis cavadores, como é o caso dos Anfisbena. Cryptolacerta was found to have had a very hard skull, typical of burrowing reptiles, as is the case of amphisbaenia. Os lacertídeos, tipo mais comum de lagartos, também estão próximos à subordem na escala evolutiva. The lacertids, most common type of lizards are also coming to the suborder on the evolutionary scale. As cobras, por sua vez, têm parentesco com os chamados lagartos monitores – como, por exemplo, o dragão de Komodo. Snakes, in turn, are related to lizards called monitors - such as the Komodo dragon.

“Esse fóssil desmente a teoria de que cobras e outros répteis cavadores dividam uma herança comum e revela que a forma de seus corpos evoluíram independentemente”, afirmou Johannes Müller, autor principal do estudo, que é professor da Universidade Humboldt, em Berlim, na Alemanha. "This fossil disproves the theory that burrowing snakes and other reptiles to share a common heritage and reveals that the shape of their bodies have evolved independently," said Johannes Müller, the study's lead author, who teaches at Humboldt University in Berlin, Germany .

CROCODILE

2011-04-16T00:33:00.000-07:00

In longínqua time of the dinossauros, has one 140 million years, the crocodiles had arrived to measure 30 meters of length. , Currently even so smaller, they are the biggest existing reptiles in the nature. Its main representative is crodilo of estuary, that lives in tranquilas waters of the estuary of the rivers. Its size arrives to exceed the eight meters of length and lives until the 80 years.
The crocodiles swim with the aid of its powerful tail, moving themselves in the water to a superior speed to the one of a canoe. In land, and although to have short legs, they can also be moved surprising fast. Property, seem floating trunks, what it too much late deceives many of the victims of these reptiles until being.

The hunters pursue the crocodiles for its skin, much appreciated for shoes and luggages. As much in Africa as in India these great reptiles had been declared protecting species and its number already is to increase.

Technique can “disconnect” estresse in the brain

2011-04-14T07:01:00.000-07:00

Recent research indicates that it is possible to modify the cerebral structure of form to reduce the impacts estresse of it from meditation techniques.

It attends the video on the notice here.

To verify this, the BBC invited the British Todd German, employee of a thematic park of sea life in England, to participate of a course on the state of “full attention”, reached by means of the meditation.

Todd German affirmed that it would like to try the meditation because it faces sleep difficulties. People who meditam would be capable “disconnect” the negative concerns or thoughts.

After one week of tests, German affirmed not to have total if presumptuous, but it admits that the technique allows disconnect a little, to clean the head and also to feel the calm if to transfer to the body.

Looked for the BBC, the researcher Elena Antanova, specialist in studies on the brain of the London university King's College, she affirmed to be possible to change the configuration of the agency voluntarily by means of the meditation, moving away the harmful effect estresse from it.

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2011-04-14T06:57:00.000-07:00

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It is truth that alone we use 30% of our cerebral capacity?

2011-04-10T00:26:00.000-07:00

Not! This does not pass of a myth. According to Jackson Cioni Bittencourt, neuroanatomista of the Institute of Biomedical Sciences of the University of São Paulo, the deceit appeared from experiments carried through between 1930 and 1950, during neurocirurgias. He was when researchers had used to advantage operations without general anesthesia necessity, where the patient remained conscientious, to stimulate with certain electrodes areas of the brain. “These stimulatons made the people to move parts of the body, to feel cheiros and to see things”, says Jackson. “There, the specific functions had started to associate certain areas of the brain.”

The error was in finding that these areas acted alone, when, in the truth, the brain functions in set. “The difference is that, during certain activities, some regions consume more glucose and oxygen, giving the impression to be working alone”, affirms Vanderlei Cerqueira de Lima, neurosurgeon of the Hospital Albert Einstein. “Today, we know the brain human and we can better say that, even though when we sleep, it functions entirely, in such a way biological - taking care of of the homeostasia, that is the balance of the body - how much cognitivamente; that is: dreaming”.

What it is priapismo?

2011-04-08T00:26:00.000-07:00

One is about a drawn out erection, that can last of six the eight hours, provoked for the alteration in the sanguine flow of the penis. “With one it will detail: it is not folloied of sexual desire and yes of a violent pain”, affirms the doctor Clearly Joaquin de Almeida, of the Department of Urologia of the Federal University of São Paulo (Unifesp). The name of the riot comes of Príapo, god of the fertility in mythology Greek, always represented with one speaks gigantic. Two basic types of priapismo exist: of low flow and of high flow. This last costuma to be caused by traumas in the region of the períneo. Of low flow it is more serious and it appears when, for some reason, the blood becomes thicker. The causes most common are leukemia, anemia falsiforma, traumas in the column and vasoativos medicines, injected in the penis to provoke erection. “Priapismo is emergency case. It must be run for the hospital”, says the urologista Pablo Enrique Egydio, of the Hospital of the Clinics, in São Paulo. “It is not easy to detect the cause: it costuma to be only discovered in 40% of the cases. Everything what modifies the sanguine circulation must be analyzed.” The danger is that if the blood is much restrained time in the penis, all its oxygen is consumed by the cells, having provoked fibrose e, with it, impotence.

Alzheimer

2011-04-06T00:18:00.000-07:00

If you to want to protect yourself against the effect of the Alzheimer, ones of the best things to make you are to learn another language. The least this indicates one recent cerebral study that sample that the brains of the people bilíngues function better and during more time, after developing the illness.

The study carried through for psychologist Ellen Biaslystok and its colleagues of the University of York in Toronto (Canada), it monitored the brains of 450 patients diagnosised with Alzheimer by means of computerized axial cat scan. The patient half of this age bilíngue, and to another half alone said a language.

All the patients had a similar cultural level and the researchers had discovered that the average of age in which if bilíngues diagnosised the evil to the people was four years superior to the one of monolíngues. This finding was published in 18 of February during the annual meeting of the American Association for the Advance of Science.

Curiously, the axial cat scans computerized had shown that in patients who seemed to cross degree of the illness the same, bilíngues showed a bigger mental deterioration that the ones that only said a language. Not obstante, this difference was not apparent since the point of view of the behavior of the patient or in its abilities to operate. The people bilíngues acted equal to the patients monolíngues whose illness was less advanced.

What it seems the explanation to this protective effect could have to see with certain cerebral net call system of executive control that seems to be the base for our ability to think about complex forms and that it controls the attention and everything what becomes only the human thought.

According to this theory, the people bilíngues have that to exercise this cerebral system constantly to prevent that one of the two languages that they dominate intervenes with the other. Its brains must make searches through some options (in both the languages) to choose each word, what it confers its brains a cognitivo benefit.

Such and as the scientists comment, is not that the bilinguismo prevents the illness, senão that makes with that a patient deals with it more efficient form.

This not only functions with people who live in areas bilíngues as Quebec, senão that also is useful for that I eat, learns a foreign language being young.

How a broken bone if regenerates?

2011-04-04T00:18:00.000-07:00

When a bone if breaks, the sanguineous vases in its interior if they breach, causing bleed and the one formation coágulo. The place inflames, but, in 24 hours, the extremities of the breached vases are forbidden, stanching almost completely the hemorrhage. The region of the breaking is full of small pieces of the broken bone and died fabrics, that are removed by the action of called cells osteoclastos. They fagocitam (“they eat” and “they digest”) these fragmentos. The process can last weeks, depending on the size of the injury. Since the first hours after the bruise, also enters in action the responsible angioblastos, cells for the formation of the sanguineous vases. They will give to origin the new vases inside of the bone and will go to repair others that if had breached with the breaking. At the same time, the óssea marrow starts if to regenerate. Composed basically of blood and fat, it is inside of the canal to medular of the bone, that goes being filled for new cells. The óssea reconstitution in itself if of the one from two membranes sufficiently vascularizadas: the periósteo and the endósteo. While the periósteo involves the bones completely, the endósteo is a layer finer it coats than them internally. As much the periósteo how much the endósteo has capacity to produce the cells called osteoblastos, that will give origin to the fabric ósseo. One or two days after the breaking, the osteoblastos already start to invade the interior and the surface of coágulo. The deposition of osteoblastos in the place of the breaking leads to the formation of the ósseo callus, that appears in such a way external how much internally. Meanwhile, coágulo goes diminishing, therefore the cells form that it continue being “devoradas” for the osteoclastos. In up to two weeks, the callus, also formed for fabric fibroso and cartilaginoso, obtains to join the extremities of the breaking with the unbroken part of the bone. In six weeks, the fiction disappears. The following phase, that can last months, is of the consolidation, when the calcificação of the bone occurs. The calcium, that confers resistance to the bones and arrives at the place for the sanguineous chain, helps to repair of ruins it to time. Longer the final stage and of óssea regeneration - it can lead up to ten years - is the remodelagem. The osteoclastos attack of new, “sandpapering” the surface of the bone to reduce the callus. To the end, the area of the breaking, that until then remained more susceptible the breakings, comes back to have the resistance of before.

IN THE FORM
The bone is one of the few capable agencies of if regenerating on account proper. But, clearly, it does not make magician. He is therefore that, most of the time, one is necessary ajudinha doctor so that they glue in the correct position. It is when they enter in action good and old plaster and, in more serious cases, the metal bolts.

COLD TO ACHE
Much people who already suffered some breaking complain of pains in the place when the time cools. This occurs because, in general, the elasticity of the area that it broke and of the remaining portion of the bone is different. In the temperature changes it finishes rolling one estresse in this region, what cause pain.

Strange world

How much time for the ones of the body leads to grow?

2011-04-02T00:17:00.000-07:00

Between the human beings, the three months delay for them of two to reach its maximum length, while the hair if develop during two the six years. The wires that compose our cabeleira pass for three stages of growth. The first one is the anágena, phase that almost all represents the useful life of the one for, that it is formed in the layers most internal of the skin and follows growing for it are of the body to a rhythm of about 1 centimeter for month. After that, it comes the catágena, period where the wire is in rest and this hard phase does not grow -, in the maximum, one month. Finally, it comes the telógena, that lasts only some months. It is when “it dies for it” and it falls, of course. The final length of each wire directly is related opportunely of life, therefore the hair grow more than what for the ones of the sovaco and other regions of the body.

It discovers why the human body has as many different types, colors and formats of for

Where parts of the body are not born for?
Lips, palm of the hands and sole of the feet are regions of the body where fiozinho does not have the minimum possibility of being born one at least. E the reason is very simple: while our organism is in formation, still during the life inside of the uterus, these parts does not develop, under the skin, the necessary structures for the formation of for

Why the wires have different colors?
The melanina is the substance that colors wires. However, what it defines the tone of the cabeleira is the rocking between the two pigments that compose this natural dye. When it has more concentration of eumelanina, the hair is darker. In clear or ruivos hair it rolls a feomelanina predominance, colored pigment more. Aged Albino and, with total or partial absence of melanina, have white wires

Which the types of for the one of the human body?
Our hair mass if divides in two categories: for the velos and for the terminals. First engloba those short and fine wires, that rest discrete in places as the forehead and, in the case of the women, col, face and abdomen. Already for the terminals they are encorpados, that coat our legs, arms, virilhas and armpits. For the ones of the head also they are fit in this category

Why some for only grow in men?
Beyond having more for that the women, the men cultivate wires in regions that are lisinhas in the body of them. That is, if you already saw woman with for the ones in the chest and in the ears or with beard in the face, she distrusts! The guilt is of the androgênicos hormones, as the testosterone, that are produced in more amount in the hairy ones of what in the bare ones

What it makes for smooth or crespos them to be?
The format of folículo piloso, for where the wire leaves the body, defines the anatomy of the one for. If the canal is cylindrical, the wire leaves smooth. If it will be flattened, for it is rolled up. What it determines if folículo is rounded off is the position of it in relation to the skin. The more inclined, more fechadinha is the exit

How is formed the dandruff?

2011-03-31T00:16:00.000-07:00

1. The sebácea gland is responsible for the production of the tallow that lubricates the surface of the cabeludo leather. For genetic questions, the person who has predisposition to the dandruff produces more fat that the normal one

2. The tallow arrives at the surface of the skin for folículo piloso (or unit to folicular) - structure for which they leave wires hair or for. The greasy secretion is accumulated in the cabeludo leather, leaving the oily hair

3. The oleosidade cause the inflammation of the cabeludo leather, call of seborreica dermatitis. People with this genetic predisposition also can develop fungo Pityrosporum ovale, that she aggravates the picture

4. The inflammatory process cause itch, vermelhidão and scalling off, that untied white particles of the cabeludo leather - the dandruff, one tallow mixture and cells deceased of the skin

• The ones that have genetic predisposition only costumam to have the seborreica dermatitis, therefore, the dandruff is not contagious

• The dandruff does not have cure, but it has treatment - that it must be indicated by a specialist

• Many xampus antidandruff, vendidos in supermarkets, dry up the cabeludo leather and stimulate, still more, the tallow production

• Each person has, on average, 5 million pilosos folículos in the body, being that 120 a thousand of them are in the cabeludo leather

Causes and solutions
It knows the factors that can leave its full hair of white brans

Estresse
The nervous tensions provoke some riots in the body - between them, the low one of the defenses of the imunológico system, that unchains dermatological problems as the dandruff. The ideal is not to esquentar the head

Alcoholic beverage
It inhibits the activity of some vitamins that act in folículo piloso and provoke the cellular multiplication, causing a bigger sebácea secretion production. Therefore, nothing of if inebriating

Bad feeding
The ingestion in excess of animal fat and sugar can increase the tallow production in the glands. To better neutralize the oleosidade, nothing of what taking sufficiently water and increasing the consumption of fruits

Temperature
To wash the hair with hot water stimulates the glands in the oil production. In the winter, the dandruff also increases, since the temperature is ideal for the proliferation of fungos. The tip is to leave the water morna in the hour to rinse the cabeleira

Chemistry
Permanent dyes, smoothings and can provoke since allergies until the inflammation of the cabeludo leather, aggravating the picture of the dermatitis. Therefore, dandruff will be had, prevents these types of treatments

Hormonais alterations
They are common in the puberty, the pregnancy and the menopause. The body suffers to a hormonal disequilibrium and cause a disfunção in the glands. In this in case that, the problem alone is decided to the base of remedies

Sources Luciano Barsanti, doctor and tricologista, director of the Institute of the Hair and author of the Dr. book Hair (publishing company Rise); Raphael Rissardi, supervisor hair technician of the Vita Derm Hipoalergênica; Denise Steiner, doctor in dermatology for the Unicamp and member of the Brazilian Society of Dermatology

Scientists discover the gene of the Homer Simpson

2011-03-29T00:16:00.000-07:00

For the good mood in science: researchers of the Emory University (U.S.A.) had discovered that an express gene in the brain, call of RGS14, that everybody has, can limit our intellectual capacity from there - and, engraçadinhos had nicknamed, it “gene of the Homer Simpson”.
In a series of tests, rats with the such “off” gene had been smarter: if they had remembered objects seen before and they had learned to leave labyrinths with more rapidity of what the normal rats. What it suggests that the presence of the RGS14 can “possibly brake” some forms of learning and consolidation of memories -, not only in the rats, but in people also.
Penalty that not yet of the one to order that fellow worker more lentinho running pra disconnect of it. According to researchers, the gene of the Homer is on to a part of the brain still little explored. E, as he is not of what it is capable, so clearly all well-taken care of is little. For however, one knows that in the rats with the off RGS14 the region neurons had established stronger connections, what it improves the cognitivo performance. But it is possible that, despite the principle the ratinhos have not presented any negative effect, the lack of the gene causes some disequilibrium that the faces had not yet identified.
“A great question that this research raises is why we, or the rats, we would have a gene that it becomes in them less smart? ”, the leader of the study, John Hepler says. Good question, né?

To dream of animals

2011-03-27T00:16:00.000-07:00

Bee - It is prosperity signal. To be pricked () by a bee: care with envy of colleagues. To see them: profits. If a woman dreams to be being perforated in the face can indicate, pregnancy. Luck: butterfly.

Swallow - To see to fly them: notice of moved away friends. To kill them: obstacles. In nest: happiness. Luck: pavão.

Animals - Calm: its closer desires will be taken care of. Furious: she will be victim of you intrigue, but it will win. Luck: it bets in the animals that appear in the dream.

Spider - Its success will depend on its effort. Care in the treatment with woman. Luck: it charges.

Birds - It will have financial advantages and it will receive money not waited. It still can be wonderful trip. Luck: pavão or the bird that to appear in the dream.

Ostrich - marcante and positive Event related the money. Luck: ostrich.

Whale - aid Will receive unexpected. Luck: alligator.

Kiss-Flower - fast Success in the life. Luck: it charges.

Animals - Furious: it will be attacked (), but it will win. Calm: its desires will be taken care of. Luck: it bets in that to appear in the dream.

Bode - shameful Linking, erótica madness. Luck: goat.

Ox - Abundance, in general way. Grazing: happy omen. Fat person: security. Lean: revezes. Furious Mugindo or: conjugal quarrel. To see ox dead: its enemies will not obtain to win it (). Luck: bull.

Butterfly - Trend the things of small account. Luck: butterfly.

Donkey - Black: purple. White: it enters (Went of money. Chestnut: annoyance. In general this dream discloses persecution of superior, without reason just. Luck: donkey or horse.

Goat - To see one or more goats: good profits with inheritance. To buy a goat: care with envious. Vender a goat: engagement or marriage. Luck: goat

Dog - sincere and disinterested Affection. If the dog has a friendly attitude stops with you waits joys. If it will be in its pursuit: quarrels. To take one bite: treason. Luck: dog.

Shrimp - Well-taken care of with easy women. Luck: alligator.

Camel - it does not confuse perseverance with intelligence. If it will be running is signal of return of undesirable person. Luck: camel.

Crab - Somebody wants to take off something of you. Luck: bear.

Sheep - Prosperity and fast richness. Luck: sheep.

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2011-03-25T12:32:00.000-07:00

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The benefits of the yawn

2011-03-25T12:05:00.000-07:00

It can seem strange, but it is this same! Bocejar helps to cool the brain and improves the attention.

Of the next time that somebody to complain of a yawn its, can answer: “yawn, because I want to give more attention in you”. According to a group of American psychologists, this can accurately be the function of the act of bocejar: to cool the brain to improve the concentration. Thus being, instead of preparing the body to sleep, the yawn would be, in the truth, a way to prevent sleep. The notice was divulged in the site of the American magazine “New Scientist”.

You already perceived that the yawn is contagious? Already?
But talvés what you do not know is that now scientists had discovered that the gentile people are more susceptible to the transmission.

Psychologist Steven Platek, of the Drexel University, in the Philadelphia (U.S.A.), and its colleagues of the University of the State of New York had shown a video with a person bocejando to a group of 65 students. The ones that had ahead opened the mouth of the screen had presented greater punctuation in a psychological test measuring the empatia. The immune students I infect to it were, on the other hand, less premade use to recognize that an insult can offend another person.

Speaking in this, it is good for commenting that the sleep lack affects the combat the illnesses.

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2011-03-25T12:01:00.000-07:00

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Albert Einstein

2011-03-10T00:19:00.000-08:00

A history of century XX would have been radically different if the German physicist Albert Einstein (1879-1955) had not been born nor discovered, therefore, for general astonishment of the humanity, who substance and energy are two faces of one same currency and that they can be transformed one into the other. The Theory of Relativity, displayed for the first time for the German physicist in 1905, but presented in complete the 13 years later, reformulated the Physics, until then imprisoned to the principles of the Isaac English Newton, still in century XVII. Without Albert Einstein, the world of the reflection on the physics would be desert of some of the ideas instigantes of the science of century XX. Einstein passed the life dreaming of the unification of the physical theory, thing which the astrophysical English Stephen Hawking (author of the bestseller One Soon History of the Time) among others modern researchers started to only give form in the last few decades, thanks to the change of mentality in the world of science, currently opened to the integration you do not discipline between them. The unification of the Quantum Mechanics with the Theory of the Relativity, desired for Einstein, only happened in the last few decades. E of this marriage had appeared formidable and essential innovations as microelectronics, the laser ray and the superconductors.

Without the legacy of Einstein, certainly a great number of reflections on the universe would not be today subject in periodicals of the entire world. (Exactly the popular expression everything is relative paid tribute to the theory of the German physicist. A world without it imagines…) Even because the Newtonian Physics would not have the same breath to explain the virtual worlds considered by intricate mathematical equations in fields as computer science and artificial intelligence. Without the revolution proposal for Einstein, probably none of these technological conquests would exist.

It was the relativity of Einstein that led to the formula of the atomic bomb. The new weapons had given an end point in the Second War and, in the following decades, they had imposed to the humanity the logic of the Cold War. Perhaps without the bomb that devastou the cities of Hiroshima and Nakasaki in 1945, Japan had fallen under Soviet control instead of the American and is possible that none of the technological advances that the Japanese capitalism gave in them throughout last the 50 years had existed. A world without Sony, Honda, Nintendo imagines. That is: without Einstein, it would not have Mario Bros.

In the field of the politics, the consequences of the not-existence of Einstein would be still more chocking: without the tension and the battle of nerves of the Cold War, that transformed the world into an enclosure for bullfighting concentrated politics, politician would not have felt in the effort who president John Kennedy made to arrive first at the Moon. He is well possible that not yet we had rank the feet in its surface. (He is clearly that, until the present, he has much people that distrust of the American feat, saying that only They are Jorge it placed the feet in the Moon. But this is another history.)

But this is not alone. With the communist influence in Asia, it will be that the War of the Vietnam (that lasted of 1964 the 1973) would have at least started? It will be that the European countries (as France and England) would resist the marxist advance? In this in case that, the Wall of Berlin would have been absolutely unnecessary because the Europe already would exhibit the red flag.

If Albert Einstein had not come to the Land, can have certainty that its life would be different. Hardly you would go to esquentar foods in the oven of microwaves, to play videogame, to go to the doctor and being examined for tomógrafo, to visualize the liquid crystal screen of its laptop, among others innovations that had only been possible with the intricate theories of the German physicist.

Scientists discover remedy accidentally anti-calvície

2011-03-08T00:16:00.000-08:00

The accidental discovery of a substance that made to grow again for the ones in laboratory rats can open way for a potential remedy against the calvície in human beings, according to an American study published this week.

“Our discovery sample that a treatment of short duration with this substance made to grow again for the ones in rats that genetically had been modified to be chronically stressados”, Million Mulugeta explained, associate professor of medicine of the University of California, in Los Angeles, one of the co-authors of this study.

“The work can mean the beginning of new boardings to treat the calvície in human beings, when neutralizing the one receivers hormona that it plays a paper-key in the condition of stresse”, added.

Such treatments could treat the loss of hair related to stress and to the oldness, it needed the doctor.

The study online of the scientific magazine American PLoS One, a publication of the Public Library was published in the version of Science.

It is possible to transform human into you buzz?

2011-03-06T00:16:00.000-08:00

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To be of good mood foments the creativity

2011-03-04T00:15:00.000-08:00

The people who make a pause while they work to listen to music or to see funny videos in the Internet they are not losing the time, that when improving its mood can potencializar its creativity, according to a study published in the magazine Psychological Science.

To arrive at this conclusion, Ruby Nadler and its colleagues of the University of Western Ontario had modified the state of spirit of some students with the music aid and videos that had made to them if to feel glad or sad. Later they had proven as if they developed learning to recognize certain standards in function of its state. The results had shown that the volunteers who if felt happy discovered and learned before as to decide the problem that its colleagues.

- “A project is existed about which it must think of innovative form, to be of good mood will help”, assures Nadler you.

The mystery of the trees of the Moon

2011-03-02T00:14:00.000-08:00

Here it is the fact bizarro: hundreds of trees cultivated from seeds that had travelled for the space are disappeared. The “trees of the Moon”, whose seeds had surrounded the Moon 34 times in the pocket of the astronaut Stuart Roosa of the ship Apollo 14, had been received in return to the Land in 1971.

One of them was planted in Washington Square, Philadelphia, U.S.A., as part of the commemorations of the bicentennial of 1975. Another one was to stop in the White House. Several others had been planted in related state and local capitals to the space, as space stations, for all the country.

Then president Gerald Ford called the trees “symbols livings creature of our spectacular accomplishments scientific human beings and”. Exactly thus, nobody seems to remember them. More than what this: they had disappeared mysteriously.

David astronomer Williams, of the NASA, whose work includes the filling of data of the Apollo missions, had not at least heard to speak of the trees of the moon until a professor of third series ordered an email to it in 1996 to ask on a tree of an encampment in Cannelton, Indiana.

Nobody in NASA seemed to have heard to speak of these trees. The astronomer affirms that careful registers had not been facts, or if they had been facts, had not been kept.

David became its mission to find them. During last the 15 years, it kept a register in the Internet on the localization of each known tree. When it started, in 1996, it only wise person where 22 trees were. Now, this number went up for 80.

But the ascent is slow. The main form of discovery of new trees is when it finds somebody and orders them an email for on this. E-mails is each time less frequent.

David says that it goes to continue to look for, but does not have no way to know when it found all. At least, it affirms the astronomer, the trees will not be forgotten again. Now, it has a permanent home for they, with all the existing information, and the ones that will come.

Although the majority of the trees is of species of long life, that would have to last centuries, some already had started to die.

In accordance with the counting most recent of David, 21 of the 80 known trees more is deceased, including the pine of the White House, five plátanos and two pines of space stations in Huntsville, Alabama, and a pine of New Orleans that was damaged in the Katrina hurricane.
The astronomer affirms that the health of the trees does not have nothing to see with its trip to the space. Nobody wise person to certain if the exposition to the microgravity and the radiation could make some thing with the seeds. Being thus, the scientists had grown trees of control to the side of the trees of the moon to see if they grew of different form, but nothing she was found.

The healthful trees have given to origin to a culture of “trees half-moon”, trees cultivated from seeds of a tree of the Moon. These trees of the moon of second generation already run away to the control of the David. The people until can buy seeds of trees half-moon to plant them where to want. The proper David has one in its yard. If they have something of special, nobody know.

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2011-03-02T00:01:00.000-08:00

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Henrietta Lacks, the woman who after follows immortal 60 years its death.

2011-02-28T00:13:00.000-08:00

Henrietta Lacks was called, but for the scientists it was become simply into HeLa. Our protagonist was an agricultural diligent poor person of the tobacco farmings of the south of the United States, that worked hard in same lands where its ancestor cultivated the plantation using fetters. He died in 1951 because of a col cancer, and exactly thus he reached immortality.

Its family not wise person until then, but when Henrietta fought against the tumor that it would arrebataria the life, the doctors had practised a biopsia to extract part of its tumorais cells. The doctors had decided to conserve them without informing to nobody, habitual custom at that time. Those cells had finished for becoming themselves into one of the tools most important on which the medicine counts because of an incredible characteristic: they are remained alive and they grow vigorously. Immortal” human being is about the first cellular line “that the great scale can be cultivated.

She results ironic that she has left of its uterus follows living creature, each time with bigger volume, although that in October of this year she will make 60 years of the death of its giver. To finish with the HeLa cells she has that to submit them it the radiation, to deprive them of nutrients or water, or to place them in contact with other cells that fagocitem them. But if the conditions are remained steady, the tumorais cells, in contrast of sãs, simply do not age. If we could pile up in a scale all the cultivated HeLa cells until the date, its weight would surpass the 50 tons.

Thanks to them, it was possible to develop the vaccine against the pólio, to discover certain secrets of the cancer and some viruses and also to evaluate the effect of the atomic bomb. Also in served to conquer important advances in fertilização vitro, clonagem and genetic sequenciamento.

In a classic example of the total lack of ethics, the family of Henrietta did not inquire itself about “immortality” up to the 20 years after that biopsia, when the scientists had entered in contact with its husband and son to continue the research. Henrietta died poor, but thousands of millions of its tumorais cells had been vendidas the laboratories of everybody, generating a multimillionaire business of which its family never saw a cent.

In fact, one of the children of Henrietta, Deborah call, is asked with frequency if they did not clonaram its mother and it does not obtain to understand and to accept because its another sister, Elsie, died in an institution for deficient mental with 15 years without counting on no plan of medical assistance. All one contrassenso leading in account that Henrietta Lacks can have been the woman most important in all the history of the medicine.

One in each five people believes ET's

2011-02-26T13:12:00.000-08:00

20% of the world-wide population believe that the extraterrestrial ones walk between disfarçados us of normal people.

The inquiry made for Reuters the 23 a thousand adults in more than 22 countries disclosed that 1 in each 5 people believes the existence of ET's, that is, 20% of the world-wide population. This means that 80% of the world do not believe `aliens'.

More than 40% of the inquired ones of India and China believe that the extraterrestrial ones live between disfarçados us of human beings, whereas Belgian, Swedish and dutch they are less believing, with only 8% to believe the existence of ET's. “The explanation can be in the fact of in the small countries if knowing the neighbors well”, affirmed John Wright, of the Ipsos firm.

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2011-02-26T12:38:00.000-08:00

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To sleep consolidates the learning

2011-02-25T00:08:00.000-08:00

Scientists of the School of Medicine of the University of Harvard, in the United States, designate that she has a bond enters the content of sleep and the acquisition of the susceptível knowledge of being applied in the ráticap, that is, to take off one soneca after to study would help to reaffirm the information.

The research showed that the acquisition of knowledge improves in the people who soon sleep after to study. On the other hand, those that do not sleep show more difficulties to carry through tasks previously proposals.

The study, that was published in the magazine of scientific spreading Current Biology, it showed that they had considered to a group of volunteers some possibilities to escape of one definitive digital labyrinth that later had been separate in two sub-groups. The first ones had been motivated to take off one soneca, however the others had followed with its quotidianas activities.

After some hours, those that had slept had shown to be well capable to escape of the labyrinth of that those that had not rested. Specifically, the volunteers who had revealed to have dreams related with the exits of the labyrinth had been the ones that had had greater success to find in the practical one.

- “The dreams can be a pointer of that the brain is working in the same problem to many levels”, it assured the doctor Robert Stickgold, who led this research. In turn, Erin Wamsley, co-author of the study, suggested that the unconscious brain works in the things that consider more important.

According to specialists, this phenomenon could be used to improve the learning and the memory. For example, when studying before lying down to sleep, or to take off one soneca after to have studied per the afternoon would develop the possibilities to consolidate the learning so that it was placed in practical successfully a little later.

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2011-02-22T11:45:00.000-08:00

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Germans create hair folículos from cells trunk

2011-02-20T00:01:00.000-08:00

Scientists German of the University Hospital Charité had obtained to develop hair folículos from cells trunk. This, for joy of men traumatizados for as many gozações that they call its beautiful calvície of mosquito airport, sufficiently approaches in them to so waited “cure” for the bald. It is necessary to remember that the cells used in the experiments had been of laboratory animals, but if functioned with quadrupeds… why does not go to also function in bípedes that they use bath towel to dry the face, due to the prolongation of the forehead?

In fact, the researchers are so hopeful that they wait to obtain pilosos folículos from cells trunk human beings in less of one year. As they know the pluripotentes cells trunk have the ability of if transforming into any type of specialized cell: epidérmica, óssea, sanguineous, etc. Despite the great hope of the future medicine is considered, until the moment the advances are most slow.

However professor Roland Lauster, of the German institution, finds that this work could assume a hope in the treatment of 80% of the people who suffer from calvície in everybody.

He arrives to obstruct itself of hormones that can prevent the calvície, but they leave that you with the face of the Elza Soares. It arrives of bathes of hen or of pig, dust of bunda of tanajura fries, sweat of horse lame and things of the sort. Despite in the treatment it does not go to get rid itself of the needles. Probably it will have that to implant the folículos in the head one by one, as becomes now with the cultivos of the proper giver, but happily already it will not have that to yield part of the nape of the neck for hollowing of the roots.

If everything to run well, in 5 years the thing could start to function. Despite it is always well coming a good dose of skepticism since 1950 until our days, the cosmetic tests in animals for the growth of had been multiplied for them for 500, in way that how much before to find the solution, happyer will be the animal coitados ones of laboratory.

But as before it warned, better to read the notice with reasonable and had reserves. It is enough to remember that in 2004 a team of the University of the Pensilvânia also showed evidences of that the research with cells trunk could prevent the calvície, and since then so far, all remain luzindo the same bald spot.

Three forms to travel in the time

2011-02-18T00:01:00.000-08:00

The British physicist Stephen Hawking, in an article, showed one, but three not only forms to travel in the time that it considers possible.
The fourth dimension:
First you need to accept that the time is a dimension, as well as the length, the depth and the height. The used example for Hawking is an car passage. If you go for front you you move yourself in a dimension. If you turn for the left or right, you if she moves in another one. Third he is if you go up or go down some relief. E fourth is the time that you lead to make this.
In the films normally we see an enormous machine that creates a breach in the fourth dimension and it allows in them to travel for the future or the past. Although the question of the machine is ficcional, the concept can be until “practicable”.
The laws of the physics allow the notion of trips in the time, through what we know as “earthworm holes”. For Hawking, the earthworm holes are to our redor, only that they are very small to be seen. According to it nothing that we know he is smooth and completely solid - everything has small holes and rugas and this want to say that the time, as the fourth dimension, also would have imperfections that they could be used to advantage for trips in the time. This if we obtained to find them.

Quantum vapor and small holes of earthworm:
In very small scales - lesser still of what the atomic scale - the substance “capsizes” what it is called by the quantum vapor physicists. It is there that the earthworm holes of that we speak before exist. Small tunnels that if open and if close of random form that can take the two different places in the time.
Although to be a very small structure, Hawking believes that it is possible to catch an earthworm hole and to strain it, leaving great the sufficient so that a person pass for it. Theoretically they could taking in them for other places in the time. However, as he has strange paradoxes, involving trips to the past (for example, if you travel to the past and hinder that its parents if know, as you would be born for impediz them of if knowing in some place in the future), scientists find that only the trip to the future would be possible.

The time as a current river:
Hawking finds that, perhaps, the radiation could make unusable earthworm holes that scientists strained so that the people travelled in the time. However, it has another solution: to sail the river of the 0 variable of the time.
For it, the time flows as a river and us we are loaded for the chain. But, as a river, has places where the rapids is faster or slower - and this would be the key for trips to the future.
Albert Einstein behind considered this idea one hundred years e, according to Hawking, it was absolutely certain. The test can be found in satellites that possess internal clocks. When they leave the Land are certain, but the scientists perceive that they are advanced in the space because the time is of the planet would be faster.
Einstein believes that the substance makes with that the time if drags, therefore, in the planet, the time running more slowly.

Scientists study luminosity produced for marine snail

2011-02-14T00:49:00.000-08:00

Scientists of the Institute of Oceanografia of the University of California, in San Diego (U.S.A.), had recently disclosed details of the lights produced for the species of marine snail brasiliana Hinea, that generally is grouped in the rocky coasts.
The researchers had discovered that these animals, instead of producing a focus of light, use its shells to spread a green light bioluminescente in all the directions.
The light seems to be a form of defense, probably used to move away to predators when giving the illusion of that the snail has a bigger size that its real dimensions, explain the scientists Dimitri Deheyn and Nerida Wilson in the version online of the periodic “Proceedings of the Royal Society B” (Biological Sciences).
In experiments, Deheyn perceived that the light functions as a “alarm”: it lights when the snail if comes across with some possible predator, as a crab or shrimp.
The animals, collected in the coast of Australia, had surprised the researchers, since its cloudy shell gave the impression of that it would contain the light transmission. Instead of this, when the snail produces the green luminosity in its body, the shell it acts as a mechanism to exhaust this color specifically, according to institute.
For Deheyn, the power of diffusion of light of the brasiliana Hinea is bonanza, in comparison with other materials, and can awake the interest of the industries optics and bioengineering. “Our next focus is to try to understand what it makes with that its shell has this capacity and what can be useful to construct better material with a ótico performance”, said the scientist.

NASA

2011-02-12T00:27:00.000-08:00

NASA, American space agency, presented in this sunday for the first time images of the solar surface and its atmosphere, that will give a vision of astro and will help to improve the climatológicos prognostics.

This work is the result of the comments carried through for the two solar sounding leads of the Astroroof of Solar Relations - Terrestrial (Stereo, for its sigle in English), that NASA sent in 2006.

The sounding leads had been sent the diametrical opposing points of the Sun to study as it affects the flow of energy and solar substance to the Land.

Its instruments had provided a new vision of the solar system and in 2007 they had generated first three-dimensional photographs of the Sun.

“The new images will help to improve the planning of future missions of robotic spaceships or with crew for the solar system”, it affirmed NASA in official notice. EFE

After all, the source of youth always was inside of us

2011-02-09T09:46:00.000-08:00

One equips of scientists led by the luso-American Ronald dePinho obtained for the first time to invert the process of aging through the genetic manipulation, opening the way for a species of “source of youth” in the cells human beings

In interview to the Lusa, the luso-American, professor in the school of medicine of Harvard and in Dana Farber Institute Cancer, explained that its equips of investigators artificially obtained “to bind and disconnect” the responsible gene for the repairing of the ADN of laboratory rats.

The guineapigs had been first citizens the premature aging, that caused the exterior loss of cognitivas capacities and signals, and when the gene “came back to be on” expected a “abrandamento of the process of aging or stabilization”.

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Medicine” of France was born first “bebé

2011-02-09T09:25:00.000-08:00

First “bebé medicine” of France, that will be able to save one of its brothers who suffer from a serious illness, was born in a hospital of the region of Paris

The boy was born in day 26 of January, with 3,650 kilos, and meets of good health, indicated to agency AFP the doctor René Frydman.

The parents, of Turkish origin, had decided to give to it to the name of Umut Cut (that he means “Our Hope”).

The brothers of Umut Cut suffer from the genetic illness of blood, talassemia, a heriditária illness that provokes incapacity, anemia and requires constant transfusions of blood.

“Bebé medicine” was born of a fecundação in vitro, after a previous analysis that guaranteed that the boy did not have the illness and, at the same time, that it would be compatible with the brothers.

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2011-02-09T08:59:00.000-08:00

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Snail is green and fluorescent to frighten predators.

2011-02-04T00:40:00.000-08:00

A small marine snail has the capacity to emit a fluorescent green light to frighten its predators, according to a study of the University of California, in the United States.

The animal, that takes the scientific name of brasiliana Hinea, seems to use its bioluminescência as defense mechanism. In accordance with the research, it is green when it perceives the threat of a crab or shrimp in the neighborhoods. The researchers suspect that the tactics aim at to create the illusion of a bigger animal.

According to Nerida scientist Wilson, “is rare to see any snail that lives in deep of the sea producing the bioluminescência. Therefore, he is still more surprising to see that this caramujo has a shell that it maximizes the blinking in efficient way”.

Brasiliana the Hinea species is found normally in the coast of Australia and the north of the New Zelândia. The research was published in December in the scientific magazine Proceedings of the Royal Society B.

Sea life…

2011-02-02T00:40:00.000-08:00

Dolphins or Dolphin

Dolphin, common name that receives any from some species of cetáceos of the family of the Delphinidae. Also called dolphin. They are animal of round head great e, with the robust front, the dorsal wing bending and developed and the general coloration of the dark body. They can dive sufficient the depth and if they feed over all of squids. They are animals that can identify ones to the others in individual way. As other cetáceos, they use the ecolocalização to investigate the outskirts and to dislocate themselves in its environment.

Scientific classification: Globicephala sort, family of the Delphinidae, subordem of the Odontocetos, order of the Cetáceos.

Orca is member of so great greater of the family of the dolphins or dolphins and, possibly, the cetáceo who present ampler world-wide distribution. It has a great, situated dorsal wing in average position throughout the back. Its feeding consists of fish, sea squids, birds, pinípedes and other cetáceos. These animals tend to cooperate between itself in the hunting, in special when if they feed of animals of hot blood, as penguins. They use a ecolocalização system that consists of the emission of similar sounds the small dry blows high-frequency, that they strike in its canine tooth or other objects, and whose echoes allow them to locate the canine tooth. They are communicated enters itself by means of the emission of a fast series of dry blows that sound as tow-car.

Scientific classification: family of the Delphinidae, subordem Odontocetos (whales provided with teeth), order of the Cetáceos. It is the classified species as Orcinus calculates.

The dolphins of the oceans

This is without a doubt the biggest family of dolphins, is more than 12 different species. Many of the oceanic dolphins pass most of the time, dislocating themselves in the ocean, covering vast areas of sea, far from the coast. Many species are distributed by the World. Some of these species, 0ccasionally, cover the rivers and live side by side with the true dolphins of river. The oceanic dolphins, typically bigger that of river, differ in agreement size the species. The oceanic dolphin of so great minor has 1,4 the 1,8 length m and weighs between 36kg and 45kg. The bigger oceanic dolphin is Orca, that measures 9.8m more than and weighs about 5000Kg, being bigger of what some species of whales. The factors that these dolphins threaten are several and vary of species for species. The ones that lives close to the coast suffer the effect from the pollution, the danger of the navigation of boats and the nets of fish. Those that live far from the coast, also have problems… most serious of all are the nets of fish of the tuna, since the dolphins travel many times with this fish. We are unaware of the population tax of these mammals, however exactly that a group of these dolphins is threatened, it always has another group that if keeps healthful!

The dolphins of the rivers

The river dolphins are adapted for the cool water, and for this reason, they obtain to live constantly in the rivers. Its bodies are flexible and ideal to pursue its canine tooth, some of the times in sufficiently narrow rivers and of winding volume. These mammals hunt alone or in groups of 2 or 3, and feed themselves basically of fish. These dolphins possess a long tooth line, that the aid to chew the fish, some possess molar proper to jam small shellfishes. Three of the species of river dolphins are almost blind, and they only count on its sonar to find food and to sail. The main threat for these dolphins, is the pollution of the rivers where they live. In many of the countries where these mammals if find - China, India, Pakistan and South America - the population was taking possetion itself of lands to the return of the rivers, and removed most of its resources, however the dolphins survive only for the beliefs of these same people. These mammals are considered legends, and omens.

Turtles

Turtle, common name of certain reptiles (quelônios) that if they characterize for one carapaça rigid, that recovers its internal agencies. They are forms of very old lives. The identified fósseis oldest as turtles retrace to the Triássico, have one 200 million years. Today, they exist about 360 species, terrestrial and aquatic, in the whole world. In Brazil, it has 40 species approximately.

The order the one that belongs the turtles if divides in two subordens: the first one understands species capable to inside retract the head for of the shell with a movement by telescope (to strain and to shrink) the neck; e second includes the water species candy, that hide the head folding the neck for a side. In the majority, they are adapted hábitats of terrestrial water candy or and a small group, to the life in the sea.

The superior part of carapaça also receives the name from espaldar; the inferior, plain part, is called chest. The structure and the size of carapaça and the chest vary of a species for another one.
Typically, carapaça of the turtles is formed by two layers: interior, óssea one, whose sections are called plates, and one superior, córnea, formed for the calls shields. Although she is rigid, carapaça of the turtles is a very sensible structure, had to the great number of nervous terminations that contains.
Of the eight species and subspecies of turtle-navies, five costumam to frequent the coasts Brazilian. They are: turtle-green; cabeçuda; turtle-of-leather; turtle-of-comb; e turtle-bastard. All are in the official list of extinguishing animals at risk, although the work developed in the Tamar Project (Turtle-Navy Project), that, operating in the coast of the Bahia since 1979, already it returned to the sea 2 million younglings. It enters the quelônios of water candy, is part of the list cágado-of-hogei, endemic of the state of the River.
In the Amazônia, even so it does not have no turtle considered in risk situation, is great the pressure on the Podocnemis species expansa, Podocnemis unifilis, Geochelone denticulata and Teltocefalus tumerilianus, due to hunting and to the egg collection.

The turtle alaúde is the greater of the seven species of sea turtles. Kg arrives to weigh 540. It is differentiated of the other aquatic and terrestrial turtles for its incapacity to retract the head for inside of the hoof and for the modification of the legs in paddles. It is only fed of jellyfishes.

Lepisosteus, half fish, half alligator

2011-01-31T00:38:00.000-08:00

The Lepisosteus is a primitive species of fish that can only be found in rivers and water lakes tranquilas of central America (Mexico and Guatemala). Voracious natural predators, possess the prolongated bodies and thick scales and can arrive up to 45 kg. Fish-lizards or fish-alligators are called popularly due the similarity of the snout between the two animal species.

The fish-lizard is a sort of four species of primitive ósseos fish, enters oldest than still they exist in the present time. They already were here when the human beings we arrive the Land and possibly still are when we will be extinct. This species was introduced in Thailand and caused a serious ecological disequilibrium.

Digital metamorphosis

Incredible the fossil

2011-01-29T00:37:00.000-08:00

It seems the Predator, that foreigner who hunts Arnold Schwarzenegger in the forest. But he is harmless límulo, or crab-horseshoe, one of the animals most strange of the Land. With espinhuda its carapaça, it survived the diverse extinções in mass and is one of the species oldest of the world, with more than 500 million years. When the dinos had appeared, it already were ancião. As if it sees, the horseshoe is a fossil living creature.

Which the secret of as much success? Among others things, it eat of everything, but also it can pass one year without eating. It does not have natural enemies and it supports extremities of temperature and salinity. In 1967, it relieved until Nobel: its visual receivers and optic nerve had helped to disclose as the vision functions.

Currently, its blood is used for the pharmaceutical industry and NASA. Agency uses the space it to locate and to exterminar bacteria in its sounding leads, so that they do not contaminate other planets. It is possible that Mars in an attempt is sent to detect life there.

Although the name, the horseshoe is not a crab nor is considered a crustacean. Its four species - that east and Asian Southeast occur in the American coast - form an exclusive classroom of filo arthropod, the merostomata. E, if you to find a horseshoe in the beach, do not need to run away. Although to arrive more than half the meter and to have six pairs of claws, it he does not pinch. The horseshoe can scare, but he is harmless as a horse. Sea horse, clearly.

Lesson of anatomy
The duplex crab-ferraduraem
Eyes

Eight on and two under (indicated in the image to the right), of different types. In the dark one, its visual sensitivity increases 1 million of times. Enxergam in ultraviolet

Carapaça

Greaters to each exchange of carapaça are 25%. They become adult the 10 years, after 16 exchanges of skin. The females, greaters, can reach 60 centimeters and live 19 years

Mouth

Body is in the way it, between the legs. Structures remembering combs help in the chew. The animal eats of earthworms and clams the seaweed

Legs

They are six pairs, all with claws. The first one serves to place food in the mouth. Others four serve to walk and to chew. The last pair pushes the crab ahead

Tail

In sting form, it is not a weapon. Its function is to serve toggle. If the crab to capotar, uses it to desvirar itself. She is rigid and funny as a helix

Genital

Eggs or sperm are under of this covering. The males if grasp a female, forming one “trenzinho”. In the sand, the female digging nests and puts 300 eggs in each. The males liberate sperm on of them and the nest is covered

Blood

It is blue and it contains copper - and not iron, as ours - to carry oxygen. The scientists use the substance to purificar vaccines. E the animal does not die exactly after “donating” one terço of its blood

Gills

Beyond used breathing, they function at the same time as paddles. The animal nothing upside-down.

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Singularidades extraordinary of usual animals: sanguessuga.

2011-01-27T00:37:00.000-08:00

A shorter and made right description of sanguessuga is not selling of ambulance, nor absorb-blood, much less sticky vampire. The made right description shortest and is: barometer that it bites and already I go to explain why. Despite sanguessugas seems basically all equal ones, in the reality 650 known species exist that go more than since miniature until the 45 centimeters of length.

All sanguessugas are divided in 34 segments. E attention: each segment has its proper “brain”. The segment of the head contains a simple structure of two lobes, while the remain has a group of neurons called ganglion. However, although as much unfolding of brains, the truth is that sanguessugas does not have many neurons: only 15.000. The brain of a bee, for example, has 95,000).

Why we cannot call sanguessugas absorbs-sangues? Simply because few species absorb blood, despite all are carnivorous and despite the ones that absorb blood do not know what they are making: they eat during one followed hour and they increase between 5 and 10 times its original size.

When they finish with the satiated supper, sanguessugas costumam to leave as test of its mordisco a wound with form of Y. Ademais, the wounds bleed very, up to 10 hours, because the saliva of sanguessuga contains anaesthetic and hirudina, an anticoagulant. Stranger is that although everything, the bites of sanguessugas do not donate. In way that if some day to feel some of them grudada in its body, does not try to pull out it force (burning or playing salt), duly warned that it regurgitates and it provokes an infection; the best one measured is to wait that if sacie and frees by itself.

In 1799, the troops of Napoleão in Sinai had drunk water infested with sanguessugas that they had grasped themselves to the interior walls of the noses, mouths and the throats of the soldiers. Hundreds of them had died for asphyxia.

However, sanguessugas can pass up to 6 months without feeding itself.

In century XIX they were used with frequency in medicine to carry through bleedings. In they do not go, France more than imported 42 million them only during 1833. Therefore the species arrived at the side of the extinguishing. Currently also they are used in the alternative medicine in the units of burnt and aesthetic surgery to drain blood and for its anticoagulating properties.

Why sanguessugas can be defined as barometers? Because the change of the atmospheric pressure makes with that the water where they swim dissolves little oxygen very, what makes with that they are obliged to go up to the surface, functioning as well as a prognosticador of storms.

In fact, George Merryweather constructed one of these prophetic, one elaborated barometer with sanguessugas, that he was presented in the Great Exposition of London of 1851. The machine consisted of 12 bottles that contained water of rain and one sanguessuga. To the measure that a storm if approached, sanguessuga went up for the pass of the bottle and made a bell to sound. “Ding Dong, catches its umbrellas”.

Why male spiders die after the sex?

2011-01-25T00:36:00.000-08:00

The reason depends on the species - and it is not excessively to remember that this does not happen with all they. “It has about 35 a thousand species of spider and the behavior of many still is unknown”, says Irene Knysak, director of the laboratory of arthropods of the Butantan Institute. The caranguejeira, for example, can conclude cópula with the elimination of the male for serviz it, 60 days later, to the just-born younglings. Yes, during the first slap-up meal of its lives the small ones are empanturram with the proper father. Already the widower-black, coitada, caught fame unjustly. If the sex many times takes chosen its to the last sigh, affirms Irene, is for an accidental question: the reproductive agency of it can fall when it is pulled out quickly of inside of the female. After that it comes the extreme loss of hemolinfa (equivalent to our blood) and the death. The female of the aurantia Argiope also would be innocent, in accordance with researchers of the universities of Concord (Canada) and California (U.S.A.). It has suspicion of that the male if commits suicide during cópula, therefore is entalado in the female, thus forming a type of chastity belt and preventing that other galas intervene with its hatch. Its rivals do not save efforts to remove it, but they are rare the ones that get success.

It tries to take an one bite .....

2011-01-23T04:36:00.001-08:00

Tarantula Hawk. It is a type of super marimbondo developed (7cm arrives) that it has as its diet the caranguejeiras spiders and tarântulas. Curiously, a type of ranking exists bizarro of the bites of bees, wasps, marimbondos, ants and other insects. Basically, expensive one half maluco called John Schimidt, a professional entomologista annoys the animals and offers its free body of and spontaneous will to be perforated. Then it analyzes scientifically what it feels. From there it constructs ranking Schimdt of poisonous bite. This ranking calls Schmidt Sting Pain Index. E guesses who figure with honors as second pricked dolorida more? This exactly, this cursed animal there. According to ranking, this bite is despairing, blind the citizen temporariaente and the only possible consequence is to cry out.

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2011-01-23T04:29:00.000-08:00

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