Diamonds
* The diamond is the mineral hardest of the planet. No mineral
or substance that has inferior hardness of the diamond (in Escala Mohs, that quantifies the hardness of metals, it has level 10, that it is the principle) obtains to scratch out it. On the other hand, it is very fragile and if it breaks easily.* The diamonds are perpetual same? Not. They are pure carbon composites and the carbon meagers with the time.
* The value of a diamond is measured by its color, pureness, stonecutting and weight.
* The brilliant is a diamond stoned with rounded off forms.
* Of the rocks found in world 80% they come of Angola, Australia, Botsuana, Namíbia, South Africa, Russia and the Congo.
* They are necessary about 250 tons of gravel extracting one carat of diamond.
* In 1988 nine diamonds form vendidos in New York in the store Sotheby's and Christie's. Most expensive 185,2 a thousand dollars and 926,315 a thousand dollars for carat had been bought at auction by!
* A rude rock of 2 carats produces a diamond stoned of 1 carat.
* Indian emperor Shanh Johan, that he ordered to construct the Taj Mahal, used a diamond of 88 carats in its ceremony of crown, in 1628.
* The biggest diamond of century XXI, the egg yolk Promise of the Lesoto, has 603 carats of weight, the equivalent the 120 gram (the same that a golf ball). It has this name because he was found in the Lesoto, an African country. He was vendido by 12,4 million dollar in October of 2007.
in 1607 by the king Enrique IV. In days of rain, the king was walking that way. Until he practised hunting to the fox in the corridor.
700 films per year, uses 2 million people and it attracts 70 million spectators per week. Sixty percent of the collection reverts in taxes for the Indian government. The enormous amount of produced films is reflected in the quality. 
ada face, was created by the Hungarian Ernö Rubik, in the half of the decade of 70. However, it was only in 1980 that the toy, called originally Cube of Rubik, became famous in the remaining portion of the world, when was mattered by the United States. The challenge considered for the game is to place all the squares of equal color in the same face of the cube turning its parts. Objective, that still more is complicated of what it seems, can generate much frustration in less adept. Perceiving this, a company arrived to commercialize, in years 80, a package with colorful adhesives imitating the parts of the toy. Thus, any one could glue them conveniently in the object and dissimulate that it had looser.
Gillette (1855-1932), a trader who wanted to invent a product of wide use between the people, but that also she could be used, played outside and bought again. The idea appeared at the most likely moment: while it was shaved. It remembered the bother to have to use a razor, that lost the wire and needed constant repair, and then conceived a device that used fine dismissable blades. Its idea alone arrived at the market six years later, vendendo 90 a thousand blades in first the three years. Gillette also was involved directly with the socialist movement in U.S.A. The inventor, then called utopian, foresaw in the book The Human Drift (1894) the transformation of entire cities in an only complex (Metrópolis), fed for hidroelétrica energy, not-pollutant and capable to produce and to distribute everything that the population needs. 
the hot and humid days of summer was idea of the European soldiers during the World War I. The American combatants, died of envy for the heat who passed with heavy the uniforms of cotton, had taken the finding for U.S.A., where the clothes turned fashion and were incorporated by the navy and army in 1942. The part without sleeves, that was called T-shirt (shirt-t, given name had its format), was done of cotton and had the rounded off gullet. Its popularização was definitive in years 50, thanks to the cinema and television. Actors as John Wayne and Marlon Brando had shocked America when appearing having used nothing on the t-shirt in national chain. But who was James Dean became it symbol of youth and revolt in Rebel Causes It to Without (Rebellious without Cause - 1955). 
occidental person during century XI, in Italy. Before them, the meals were made with spoons of wood, knives, or with the proper hands. Created for the Greeks, and adopted in century VII in the Bizantino Empire, the places setting brought to the Europe had delayed to make success. At the beginning, they were used only for the Italian nobility, being that, only in century XVI they had been popularized. The remain of the Europe more still delayed to use the yokes, that were seen as unnecessary objects, of affected use. In England, until the beginning of century XVII, effeminate utensils were cosiderados. 
the projected shades for the Sun in the different periods of the day. Located in Egypt, the first clocks, that date approximately of 3500 B.C., were composites only for a pillar, called gnomon, and could show the two halves of the day (the noon was the moment of the lesser shade). Later, scales of measures had been added in return of the column so that the days could be divided in shorter periods. The first evidence of division of the time in equal parts date of 1500 B.C. 
action” in the TV productions or cinema, is used to assist in the sincronia of the audio one with the video in the hour to edit a film, since the image is captured by a filmadora, but the sound is recorded in ribbon. Claquete is taken for front of the camera, having written down in it the numbers of the scene and taking of the production. These information are chores in high voice folloied of one batidinha enter the two parts of the instrument (the celebrity “clap”). In the hour to edit the film, the sincronia is conquered easily, locating “clap” of the ribbon of video with its recorded sound in the ribbon. 
in oil. The soluble part in oil acts first, unfastening the dirt of the skin (that she is oily), thus the debris is untied, ready so that to another part of the soap it suspends them, so that the water carregue them even so. The foam that if form is resulted of the action of the water, air and of the body, and appears through the friction. To little foam of some sabonetes can be caused by the high mineral level in the water or by being kept in place where they are not wet frequently, amongst other reasons. 
frisbee without the appropriate equipment, however he was thus same that the trick was born, with truth plates. In 1940 middle, the students of the University of Yale had created the game hurling the plates for pies, made of tin, of a next bakery to the campus. The establishment belonged the William Russel Frisbee, reason of the name of the record. The fashion caught and the first done plastic toys had been launched in 1957 for the Wham it Company. The name frisbee, adopted initially for the students, was registered in 1959. 
attack of you calculate the human beings in its half natural one. Me the fame of this mammal of five tons must, in the truth, to one misunderstanding. When the divers and whalers had discovered you calculate that them, that they live and they eat in groups of up to 50 individuals, attack whales of different species had called, them “assassins of whales”, nickname that finished turning “murderous whale”. He calculates it, that in the truth it is a species of dolphin - both belong to the same family - can measure up to 9,5 meters. Its coloration black in back helps to camouflage it with deep of sea, whereas belly confuses the white it with the light of the sun, that comes of the surface, for sees who it of low. 
1867 with the Rules of Quensberry. These rules foresaw rounds of three minutes and the use of gloves. They had entered in vigor in 1872.
The acizentada in summer and total white brown pelugem in the winter is one of the hottest of all mammals, still more that of the polar bear, what guarantees its well-being, however it attracts many hunters with commercial interests. Its legs equally are covered of by the ones guaranteeing greater tack to the slippery surfaces of frozen environments. Bichinho of about 30 cm lives in group in burrows that he himself digging. These hiding places have about four the eight linked exits for tunnels that cover an area of up to 30 m ². Some of these tunnels are used have hundreds of years and already they had sheltered some generations of foxes. 
the fens and Asian and African lagoons, the bouncing one frequently faces times of drought where the tide low and practically becomes the impossible locomotion the fish. Endowed with great pectoral barbatanas and false feet covered of scales, bichinho can then leave the water and take a walk for firm land, jumping of root in root. Its breath remains thanks to a rudimentary lung and a small water reserve that is accumulated in branchial stock markets. In what it says respect to the feeding, the fish-amphibian possesss a rich diet of insects and worms.
bees live in group. Great part of them lives alone in nests made in trunks of trees or under of the land and they are not you domesticated. Already the social bees live in the known beehives and produce honey, substance made from the nectar, used for the man as sweetener since the Seniority. It has three main classrooms in a colony of bees: the laborers (about sixty a thousand individuals in an average colony), that they guarantee the food, they take care of of the young larvae and they protect the beehive; the drones (one hundred individuals), that they cross to perpetuate the species; e the queen (only one), that it must place eggs, being the only not-barren female of the group.
Max Planck in Jena, in Germany, had shown that the plants emit aid signals when they are attacked. In the experience, tobacco plants, maize, tomatoe, cucumber, amongst other varieties, when being attacked by larvae, had emitted a mixture of volatile chemical components to attract predators of insects. The discovery of the olfativo alarm, beyond supplying importantíssimas information on as vegetables if defends, still can help the scientists to develop pesticides not-toxics, affirms Ian Baldwin and Andres Kessler, responsible for the study. 
species of snorkel. Its studies indicate that the elephant became an aquatic mammal and later came back to the land. The analyses made with embryos and embryos of African elephants had shown, among others things, that its testicules inside develop of abdomen and not in one escroto, the same that happen with the whales and focas, mammals that had evolved in land and had come back to the sea, in order to protect them of the water. The member, that can have evolved for the aquatic life, serves today as nose, hose and tentáculo. 
