› added 3 years ago

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TIL the way the sun "gives" people vitamin D is by converting cholesterol in the skin to vitamin D.

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VMWNm TIL that due to aristocratic ethos only amateurs could officially participate in the Olympics, professional athletes were banned. The Eastern bloc got around this rule with state-sponsored "full-time amateur athletes". The rule was eventually loosened in the 70s and abolished in 1988.
VMomp TIL that if there are 23 people in a room, there’s a 50% chance that 2 of them share a birthday. If there are 70 people in a room, there’s a 99.9% chance that 2 if them share a birthday. This is called the Birthday Problem or Birthday Paradox
oBZ1K TIL that John Adams (successfully) defended the British Troops in their murder trial, sealing his reputation as one of the best lawyers in Massachusetts at age 35
woAeW TIL in 2022, Crypto.com accidentally refunded a customer over $10 Million—they accidentally entered the account number as the refund amount. It took 7 months for them to notice. The recipient was arrested and spent over 200 days in custody.
N5EE TIL that a US Air Force Veteran, posing as a Guantanamo Bay inmate for a training routine, was beaten to the point of serious brain injury by guards.