› added 5 years ago

402

TIL: Maine is the U.S. state closest to Africa.

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via reddit.com

oRa1K TIL that gene–culture co-evolution occurs when human cultural practices create selective pressures that change our genes over time; lactose intolerance is a classic example, where dairy farming favored adults who could digest milk.
wO01 TIL that goldfish actually have a relatively long memory span and can remember things for several months
lGlN TIL Actor Mark Hamill has played The Joker longer than any other actor
R7J84 TIL why we use QWERTY keyboards. Mechanical typewriters would jam if people hit the keys too quickly, so they had to put the common letters far apart from each other and QWERTY was created to slow typists down.
v1Oj4 TIL in 2013 police busted a meat packing plant in Guangxi, China that was selling 20 tons of chicken meat slaughtered in 1967. It had been treated with hydrogen peroxide to make it look presentable in markets and stores.