Scientists are now able to grow 'beating' heart tissue in a lab!
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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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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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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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The sun is 330,330 times larger than the earth.
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If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
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