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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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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A cubic yard of air weighs about 2 pounds at sea level.
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Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
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