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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Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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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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If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
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4.5 pounds of sunlight strike the Earth each day.
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When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
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