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
The average temperature at 40,000 feet above sea level is -60 F.
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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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Nearly 50% of the world's scientists are assigned to military projects.
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Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
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In zero gravity, a candle's flame is round and blue.
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No matter how cold it gets, gasoline will not freeze.
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