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TIL 700 years ago a monk scraped off the ink of old parchment to write a new prayer book. Recent discoveries find that the paper he erased was a manuscript wriitten by Archimedes that laid out the heart of calculus thousands of years before Newton was even born.

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5ZmD TIL that before being burned alive by the Spaniards, chief Hatuey was asked if he wanted to accept Christianity and go to heaven. Hatuey asked if Spaniards go to heaven, to which the priest that they do. Hatuey then stated that he’d rather go to hell where he wouldn’t see such cruel people.
ZMBD TIL Male dolphins separate female dolphins from their families and deny them food until they agree to mate.
loYaa TIL about Typhoid Mary: the first asymptomatic carrier of typhoid. In her job as a cook she infected 51 people. She was forcibly isolated for 3 years; being released on the promise she didn’t return to cooking. She did return, was caught and confined for the remainder of her life (23 years).
LQOxQ TIL Dogs prioritise the smell of humans over everything, according to an MRI of their brains, and view their owners as members of their family.
W779d TIL mouse "car washes" are being developed by Columbia University scientists to help reduce ticks and Lyme disease.