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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Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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A cubic yard of air weighs about 2 pounds at sea level.
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One third of the electricity produced on earth is used to power electric light bulbs!
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According to studies, men change their minds two to three times more often than women.
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Scientists are now able to grow 'beating' heart tissue in a lab!
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A ball of glass will bounce higher than a ball made of rubber.
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