Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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One cubic foot of gold weighs more than 1,200 pounds!
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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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Sound at the right vibration can bore holes through a solid object.
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Pumice is the only rock that floats on water.
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Balsa wood is classified as a hard wood!
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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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In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
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