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TIL cocaine use dramatically speeds up aging of the brain

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GMl1 TIL When worn on deployment, US Flag patches on uniforms are infrared so soldiers can be identified as friendly by others looking through night vision goggles
ElWX TIL that you have holes in your bottom eyelids. The punctum drains excess tears into your nose, which is why your nose runs when you cry.
eVrn TIL In late 1918, A British Soldier Serving in France encountered a wounded German Corporal in No Mans Land, and raised his rifle to shoot him. The two men caught eyes, and nodded, than the British Private lowered his rifle, and let the German go. That German soldier was Adolf Hitler.
9Rop TIL that ‘It’s a Wonderful Life’ was in the public domain from 1974 to 1993.
b9pLa TIL, in 1948, a man wore 30-pound, 3-toed lead shoes and stomped around a Florida beach in the night. The footprints lead people to believe that a 15-foot tall penguin was roaming their lands. He kept up the prank for 10 years, visiting various beaches. The hoax wasn't revealed until 40 years later.