Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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Hot water can freeze faster than cold water.
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According to studies, men change their minds two to three times more often than women.
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The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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