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.
5
A ball of glass will bounce higher than a ball made of rubber.
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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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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
If the chemical sodium is dropped into water it will immediately and violently explode.
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Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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Your brain is 80% water.
525
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
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