The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
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All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
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Optical illusions occur when what the eyes see conflicts with what the brain expects.
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Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
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A cubic yard of air weighs about 2 pounds at sea level.
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Scientists aren't sure what color dinosaurs were.
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The hair of an adult man or woman can stretch 25 percent of its length without breaking.
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Balsa wood is classified as a hard wood!
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