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TIL reCAPTCHA & Duolingo was created by the same person - Luis von Ahn

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9Wy7 TIL airlines that use U.S. controlled airspace must pay $0.49 per mile to fly over land and $0.20 per mile to fly over the ocean. Fees are waived if flight takes off or lands in the U.S.
kJr87 TIL - There is a town in rural NSW Australia called, wait for it, Cumbooglecumbang
W7Y1B TIL In 2012, a man named Robert Biggs was attacked by a mountain lion while he was out hiking, then a bear saved his life by attacking the lion and driving it away.
rNLOw TIL of a heavy metal band from Finland called Heavisaurus, which is aimed for children .
Bmbd TIL asbestos was commonly used for fake snow in early Hollywood, including the scene in the Wizard of Oz where it snows in the Poppy Field.