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 dust particles in your house come from dead skin.
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One barrel of petroleum holds 42 gallons.
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Most liquid laundry detergents are alive with living organisms that help to break down stains!
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Some toothpastes and deodorants contain the same chemicals found in antifreeze.
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In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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