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TIL A 30,000 Year Old Virus Was Found to Still Be Infectious After It Was Isolated from Siberian Permafrost

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5Yen9 TIL that while in Sharon Springs, Theodore Roosevelt was approached by a 12-year-old girl who asked if he would like to have a badger. Expecting to humor her, he agreed, and the girl came back with a 2-week-old badger. President Roosevelt named him Josiah and he became one of the presidential pets.
XEaPj TIL that the "I" and "O" of a power switch are internationally-recognized symbols for "ON" and "OFF" because they are the binary symbols representing ON (1) and OFF (0), decided by the IEC (International Electrotechnical Committee)
GY7wQ TIL the World Sauna Championships were held annually in Finland from 1999 until 2010. Contestants would start in tempartures above the boiling point of water and whoever could endure the longest would win. The competition folded after a contestant died when he effectively cooked himself inside.
6975m TIL in 1990 NASA turned the Galileo spacecraft towards Earth to look for signs of life
Oo8YL TIL that during screenings of the 1959 film The Tingler, - a film about a creature a creature that gets inside a person’s spine, causing them to feel a tingling which can only be stopped by screaming - buzzers were placed in random seats that caused the audience to feel tingling during the film.