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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If the chemical sodium is dropped into water it will immediately and violently explode.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
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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.
5
Iron weighs more after it rusts.
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Pumice is the only rock that floats on water.
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A cesium atom in an atomic clock beats over nine billion times a second.
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