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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If you blowtorch Pepto-Bismol, you would get a hunk of metal.
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If the chemical sodium is dropped into water it will immediately and violently explode.
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The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
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One third of the electricity produced on earth is used to power electric light bulbs!
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
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