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TIL the first operation in history where the long-distance radio-controlled explosions were used for military purposes was when Red Army blew up the historic center of Kiev in September 1941. Together with civilians

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Bmmy TIL: Research from Moscow State University & the University of Iowa discovered that crows exhibit strong behavioral signs of analogical reasoning—the ability to solve puzzles like “bird is to air as fish is to what?” Analogical reasoning only develops in humans between the ages of three & four.
9gem TIL many staplers have a setting for temporary stapling
woO4P TIL How Tammany Hall got its name. Tamanend (c. 1625–c. 1701) was the Chief of Chiefs of the Lenni-Lenape nation in the Delaware Valley & he signed the Peace Treaty with William Penn. He became known as Tammany.
ZppJv TIL about CityTree, a moss covered wall that is capable of binding environmental toxins while producing oxygen at the same time. It has the same purifying effect as 250 trees.
nevrb TIL Jerry Seinfeld refused to give any of his castmates a share of the insanely lucrative syndication royalties. To this day the other stars have made almost no money from the show outside of their per-episode salaries.