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TIL 1960s VW Beetles didn't have a pump for windshield washer fluid. Instead, it used air pressure from the spare tire to spray the fluid.

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9YEem TIL that aluminum was once so valuable that Napoleon III served dinner to his most honored guests on aluminum plates, while the less distinguished were served on gold and silver plates.
wLPQ7 TIL about Piaget’s theory of development. He believed infants in the early stages of development lack object permanence (the understanding that people and things still exist even when you can’t see them). Which would explain why peekaboo is so intriguing for them!
4G9b TIL that black panthers are just the melanistic (opposite of albinism) color variant of leopards and jaguars and not an independent species
QOGe TIL that after giving birth, 50-75% of women carry fetal cells that persist for decades, becoming a part of the mother’s heart, brain, and blood. Mothers can transfer these cells to subsequent children.
v9a8 TIL Robert Kennedy was assassinated during the exact same week that the Rolling Stones were recording ‘Sympathy for the Devil.’ The original lyrics were “I shouted out 'Who killed Kennedy?’” but Jagger changed it to “I shouted out 'Who killed the Kennedys?’”