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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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
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According to studies, men change their minds two to three times more often than women.
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Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
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If you blowtorch Pepto-Bismol, you would get a hunk of metal.
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