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TIL: For decades the US Government experimented with radiation on unknowing citizens including disabled children.

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6EkvZ TIL London Taxi drivers have to memorize ~25,000 streets (called "the Knowledge") in order to get licensed. A 2000 study found that they have larger hippocampi, a part of the brain associated with learning and memory.
Eg4NP TIL promising farmland came available when this 310 ft. wood and steel bridge was completed in 1910. It opened 100’s square miles to claim in Central Wyoming. It took a few generations before families gave up the dream because of poor soil and scarce water. Their sad cabins still remain.
r6M1 TIL that despite Orson Scott Card’s stance against fanfiction, he has written Bible, Isaac Asimov and Shakespeare fanfiction of his own.
1a9oX TIL: About "domestication syndrome". Only elephants have floppy ears in the wild. Dogs, rabbits, foxes, pigs, sheep, goats, etc have floppy ears only when domesticated.
aw8bL TIL Hunter S. Thompson once ran for Sheriff of Aspen. He wanted to rename it to "Fat City", dig up all the roads with sledgehammers and implement a philosophy that "no drug worth taking should be sold for money." He also shaved his head to insult his opponents crew cut.