Iron weighs more after it rusts.
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The average temperature at 40,000 feet above sea level is -60 F.
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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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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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Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
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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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Most liquid laundry detergents are alive with living organisms that help to break down stains!
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