The Earth's atmosphere weighs about 5.5 quadrillion tons.
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In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
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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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In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
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Liquid TIDE laundry detergent glows under a blacklight.
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