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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According to studies, men change their minds two to three times more often than women.
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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.
15
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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Scientists are now able to grow 'beating' heart tissue in a lab!
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Your brain is 80% water.
525
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13