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TIL during the cleanup of the Cocoanut Grove fire in 1942 (which killed 492 people) firefighters found several dead guests sitting in their seats, with drinks in their hands. They had been overcome so quickly by fire and toxic smoke that they hadn’t had time to move.

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oRJXr TIL that small black holes are more violent than supermassive ones: the tidal forces at the event horizon gets substantially weaker the larger the black hole—you can theoretically survive a trip beyond the point of no return without being crushed
4meJ TIL of bank robber McArthur Wheeler. Because lemon juice can be used as invisible ink, Wheeler (wrongly) assumed that putting it on his face would make him invisible to the bank’s security cameras. He was caught later that day.
165OP TIL about the Nogun-Ri Massacre where 300 civilian men, women and children were killed by the US Army via machine guns, artillery and air raids/strafing. They were unarmed and merely seeking refuge under a bridge.
bZO7 TIL a 1970s Canadian science experiment made drugs freely available to both caged rats and colony rats: The rats in cages developed drug habits. The rats in normal ‘society’ refused them.
JYk98 TIL the first known mention of the word abracadabra was in a second century AD book (written by a physician) which prescribed that malaria sufferers wear an amulet containing the word written in the form of a triangle and the power of the amulet would make lethal diseases go away.