If you blowtorch Pepto-Bismol, you would get a hunk of metal.
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For every gallon of sea water, you get more than a quarter pound of salt.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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Scientists are now able to grow 'beating' heart tissue in a lab!
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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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