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TIL that the shape of Pringles purposely causes a loud sound when consumed. This loud noise causes people to perceive the chips as fresher and crispier.

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VMoXk TIL that Some of Moscow’s stray dogs have figured out how to use the city’s immense and complex subway system, getting on and off at their regular stops. In the morning they travel into city to scavenge for food and catch the train back home in the evening.
R5w4w TIL that the first recorded person to fly was Yuan Huangtou, a Chinese former prince who was forced to participate in an experiment in 559 CE with other prisoners in which he was strapped to a kite and flown off a 33 meter tall tower. He was the only survivor and flew 2.5 km.
VOV0 TIL US sailors in WWII mixed a drink called “Torpedo Juice,” an alcoholic beverage containing pineapple juice and 180-proof alcohol used as fuel in torpedo motors
xaNB TIL that the government is putting the new Department of Homeland Security headquarters on a campus that had originally been established by Congress as the Government Hospital for the Insane.
4X1ra TIL The popular cartoon network show "Powerpuff Girls" was originally called "Whoopass Stew"