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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Most dust particles in your house are made from dead skin!
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During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
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Pure water (H2O) does not conduct electricity on its own.
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Sound at the right vibration can bore holes through a solid object.
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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!
16
The Earth's atmosphere weighs about 5.5 quadrillion tons.
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