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 single speck of dust is half way in size between a subatomic particle and the Earth.
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Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
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Research indicates that plants grow healthier when they are stroked.
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If the chemical sodium is dropped into water it will immediately and violently explode.
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The force of a suction cup is calculated using F=AP.
15
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
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Brass doorknobs automatically disinfect themselves in about 8 hours.
18