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
Nylon is made from coal and petroleum.
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The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
A 'jiffy' is an actual unit of time for 1/100th of a second!
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Pumice is the only rock that floats on water.
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