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TIL that George Washington ordered smallpox inoculation for all troops during the American Revolution. “we have more to dread from it than from the sword of the enemy.”

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oBXEr TIL Jack Black desperately wanted to use a Led Zeppelin song in School Of Rock but the band was notoriously reluctant to let their music be used in films. The director suggested having Black record a personal plea to the band members, in front of a crowd of 1,000 extras. It worked.
gMlV4 TIL that Johnny Cash reignited his career in the 90’s due to his fondness (and rift it caused with his older, evangelical audience at the time) of a late 80’s British tribute album of his songs made by Indie/Punk musicians to raise money for AIDS awareness
DWXj TIL that sea snakes are often thirsty and dehydrated; they are dependent on rainwater, which accumulates as a thin layer on the surface of the ocean.
780Wb TIL there are 'e-books' for the blind/visually impaired. The braille terminal is an electro-mechanical device that displays braille characters, usually by means of round-tipped pins raised through holes in a flat surface
R7657 TIL It is impossible to wash clothes on board the International Space Station. It would take too much water. The astronauts wear their clothes until they are too dirty and then throw them out. All ISS waste burns up in the atmosphere on re-entry.