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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Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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Your brain is 80% water.
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Optical illusions occur when what the eyes see conflicts with what the brain expects.
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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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Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
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Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
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