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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The average temperature at 40,000 feet above sea level is -60 F.
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One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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MIT has developed a camera that captures the speed of light at a trillion frames per second.
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Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
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Iron weighs more after it rusts.
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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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