4.5 pounds of sunlight strike the Earth each day.
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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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Most dust particles in your house are made from dead skin!
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Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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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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The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
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Neanderthal man had a brain capacity 100cc larger than modern man's.
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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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