Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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The earth is approx. 6,588,000,000,000,000,000 tons.
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Scientists aren't sure what color dinosaurs were.
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No matter how cold it gets, gasoline will not freeze.
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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
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Cold water weighs more than hot water.
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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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