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TIL that Wing Chun kung-fu is allegedly named after Yim Wing Chun, a legendary 17th century woman who was taught the martial art by a Shaolin Buddhist nun to defeat a local bully who was trying to force Yim to marry him

epZ9b TIL That "RadiThor, an energy drink originally contained radium. A 1oz bottle would sell for about $1 (US) in the 1920's. It was also claimed that it would cure all sorts of ailments.
xrnb TIL that many Jehova’s Witnesses consider Smurfs to be demons and that toys and pictures of Smurfs will come alive to harass families and bite their children at night.
e0ok4 TIL Phosphogypsum is a common byproduct of fertilizer production. It has very few pratical uses and is radioactive, containing uranium, thorium, radium, radon and polonium. For this reason they are stored indefinitely in Stacks. ONE ton of phosphoric acid produces FIVE tons of phosphogypsum waste.
e014g TIL the letters on hillsides were started by rivalries between High Schools and Universities as a way to mark their territory. The first three ‘mountain monograms’ were erected at Lahainaluna High, UC Berkeley, and BYU. They spread like wildfire in the Western US in the 20s and 30s.
Ql9e TIL Benjamin Franklin thought the Bald Eagle was unfit to be a national symbol because it was “a Bird of bad moral character that does not get his Living honestly.”He felt the Turkey would be better because it was a Bird of Courage, and would not hesitate to attack a Grenadier of the British Guards