Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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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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A cubic yard of air weighs about 2 pounds at sea level.
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At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
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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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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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Nearly 50% of the world's scientists are assigned to military projects.
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