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TIL Neil Armstrong became a professor after he walked on the moon, teaching aerospace engineering at the University of Cincinnati.

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R71B1 TIL about the Pakasuchus Kapilimai, a crocodile-like creature from the Cretaceous period that had long legs and mammal-like teeth. Also referred to as the Cat Crocodile.
OGGWa TIL King James I strongly objected to growing tobacco in the British Colonies, saying that it was "harmful to the brain [and] dangerous to the lungs" over 350 years before the US reported that smoking has negative health effects.
XxkD TIL “canned laughter” tracks no longer exist, and is almost always a real live studio audience whose recording has been artificially “sweetened” in post production
x6Bbk TIL Cavalry (horses) and Calvary (site of crucifixion) are different word with distinct meanings
V8pG TIL that a city in California was almost duped into banning dihydrogen monoxide (DHMO) because–among other reasons–it is colorless, odorless, and can be lethal if inhaled.