The average temperature at 40,000 feet above sea level is -60 F.
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The earth is approx. 6,588,000,000,000,000,000 tons.
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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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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
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Scientists are now able to grow 'beating' heart tissue in a lab!
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