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TIL about Earth’s oldest known natural Nuclear Reactor, located in Oklo, Gabon. It's around two-billion years old, and was thought to have been active for several thousand years. Its average power output was 100 kilowatts, enough to run a few dozen toasters.

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8er9V TIL of a celebrity librarian who passed as a white woman for 40 years, which opened doors closed to Black women in the early 20th century; she earned $10,000 a year as the librarian for banker JP Morgan when most librarians earned around $400
8Oo8 TIL of Mark DeFriest. Believed to be an autistic savant, DeFreist was sentenced to four years in prison for ‘stealing’ tools left to him in his father’s will in 1979. Able to to memorize and reproduce jailers’ keys simply by looking at them, he’s been imprisoned 36 years due to multiple escapes.
xV0jB TIL that in 1908 a meteorite hit Russia with hundreds of times more power than an atom bomb, destroying 500,000 acres of forest, knocking ppl over 40 miles away and causing weather events around the globe - but no one was killed and no impact crater was found.
J1M8k TIL The Steel Crisis was not caused by foreign imports but by American companies refusal to modernize.
vPmlr TIL a young Vietnamese woman named Phan Thi Mao was kidnapped and repeatedly abused by US soldiers in 1966, only one of the men decided to report the situation, all of the responsible people were convicted but eventually acquitted, this event later became known as the “incident on Hill 192”