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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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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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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Iron weighs more after it rusts.
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Optical illusions occur when what the eyes see conflicts with what the brain expects.
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Liquid TIDE laundry detergent glows under a blacklight.
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A cubic yard of air weighs about 2 pounds at sea level.
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