Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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For every gallon of sea water, you get more than a quarter pound of salt.
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The force of a suction cup is calculated using F=AP.
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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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Nearly 50% of the world's scientists are assigned to military projects.
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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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Optical illusions occur when what the eyes see conflicts with what the brain expects.
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