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TIL that the busiest day of the year for plumbers is the day after Thanksgiving and that they call it Brown Friday.

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Mb10 TIL “Eating carrots will improve your vision” is actually based in wartime propaganda designed to explain why pilots were able to fly so well at night without revealing the new invention of radar technology to the enemy.
B6Py TIL that, after the D-Day landings, the RAF modified some of the jettison fuel tanks on Spitfire planes to instead carry beer, as the troops were dismayed that all they could get in France was cider. The Spitfires then flew at 15,000 feet, ensuring the beer was chilled on arrival.
8egQP TIL that the Japanese 1 yen coin is so light, it can float in water
5r9P TIL: Tapping the top of your motorcycle helmet is the same as flashing your lights at somebody to warn them about cops or speed traps. pass it on
oBJRY TIL that John F. Kennedy, C.S. Lewis, and Aldous Huxley all died on November 22, 1963.