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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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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Sound travels fifteen times faster through steel than through air.
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For every gallon of sea water, you get more than a quarter pound of salt.
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The only letter not appearing on the Periodic Table is the letter "J".
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The force of a suction cup is calculated using F=AP.
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One barrel of petroleum holds 42 gallons.
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