Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
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Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
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A cesium atom in an atomic clock beats over nine billion times a second.
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Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
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Scientists aren't sure what color dinosaurs were.
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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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