In zero gravity, a candle's flame is round and blue.
16
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Scientists are now able to grow 'beating' heart tissue in a lab!
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Cold water weighs more than hot water.
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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Nearly 50% of the world's scientists are assigned to military projects.
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