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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Nearly 50% of the world's scientists are assigned to military projects.
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For every gallon of sea water, you get more than a quarter pound of salt.
45
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Cold water weighs more than hot water.
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Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Aluminum used to be more valuable than gold!
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