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TIL According to a New York Times article from 1996, Lisa Simpson from 'The Simpsons' was responsible for an increase in young people, especially young women, playing the saxophone

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VQpZ TIL that on an 8x8 chessboard, there are 26,534,728,821,064 ways for a knight to visit every square once and end up back at the square it started from.
Be4D TIL that chickens, especially hens, are very empathetic creatures who care deeply about their young.
8a6aV TIL of a giant "WELCOME TO CLEVELAND" sign on a rooftop in the flight path of a Milwaukee airport. It has been causing confusion to passengers since 1978. Creator, Mark Gubin, said: "Living in the world is not a dress rehearsal. You better have fun with it."
7806M TIL that nattokinase, an enzyme contained in nattō, exhibits strong fibrinolytic activity and inactivates plasminogen activator inhibitor 1—a risk factor for thrombosis and atherosclerosis—when it comes into contact with human blood or blood clots.
loVKV TIL that "nail houses" are buildings in China that are left standing alone whilst massive development progresses around them, usually looking really awkward and out of place when the project is done. This happens because their owners refuse to leave their homes and the development progresses anyway.