The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
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One barrel of petroleum holds 42 gallons.
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Billions of neutrinos pass unnoticed through your body every second.
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Pure water (H2O) does not conduct electricity on its own.
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The earth is approx. 6,588,000,000,000,000,000 tons.
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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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