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TIL Because Christopher Nolan shot Dunkirk on film he was able to recover footage from a camera that had sunk.

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PYdEw TIL a Florida animal shelter removed breed cards and instead sorted dogs into a "Pawgwarts House" by watching each dog play with a "sorting toy": brave Gryffindor pups are athletic, Slytherins are cunning pack leaders, Ravenclaws are problem-solvers, and Hufflepuffs are loyal and friendly.
Y79av TIL In the 18th century, philosopher Bishop Berkeley argued for immaterialism, stating material objects don’t exist independently of our perception of them. To which, thinker Samuel Johnson expressed disagreement by kicking a large stone and declaring, "I refute it thus!"
b64Vj TIL that Rush's 1981 single "Red Barchetta" was based on a 1973 short story published by Road & Track magazine. The subject matter of both stories were dystopian futures where certain types of vehicles were either heavily legislated or outlawed entirely, and government surveillance was everywhere.
0wjbj TIL light can propel spacecraft. Solar sails use radiation pressure exerted by sunlight to propel themselves in space, absorbing the momentum from incoming photons. Such technology has been theorized since the 1980s, and came true in 2010 with IKAROS, a small satellite.
95Qr TIL that the American Cancer Society has admitted that untreated Cancer goes away naturally 30% of the time.