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TIL that a snail spent years glued to a card in the British museum before they realized it was alive

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a7wZ TIL: Drinking helps stave off Radioactive Poisoning. The survivors of Chernobyl were drunk at the time.
08av TIL the first American spy satellites literally dropped their film from space in a “film bucket” that was then scooped up in midair by a plane
VVlD TIL the US left reflectors on the moon. They are used to track plate tectonics on Earth by firing lasers into the reflectors. This is also commonly cited as evidence that the moon missions aren’t a conspiracy theory.
5YlyD TIL that Mirrors didn’t exist until circa 500 BC so the only way people knew what they looked like was by looking at their reflection in still water. Thus, water was a symbol of the self and a symbol of death.
xVoVb TIL There's very little proof that vitamin C actually has any effect on preventing or treating the common cold, although after reviewing 60 years of clinical research it was found that when taken daily, vitamin C very slightly shortens cold duration, by 8% in adults and 14% in children.