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TIL: The BBC used the opening bars of Beethoven's Fifth Symphony during WWII because it simulated the Morse Code "V" for Victory ...-

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pYRwp TIL: Time spent in outdoor activities in relation to myopia prevention and control: a meta‐analysis and systematic review (Outdoor time is considered to reduce the risk of developing myopia. )
dDRnK TIL when there's less solar radiation, temperatures on Earth go up. This is because there's less solar magnetic shielding against cosmic rays, so radioactive carbon-14 in the atmosphere goes up. Evidence of this is trees contained more carbon-14 during the last Medieval Warm Period.
GYKgQ TIL Sanora Babb was writing a book about the Dust Bowl but John Steinbeck stole her notes to write The Grapes of Wrath, and as it was felt the market couldn’t support two books about the subject, her book remained unpublished until 2004.
BrWbe TIL Principal Akbar Cook installed a free fully-stocked laundry room at school because students with dirty clothes were bullied and missing 3-5 days of school per month. Attendance rose 10%.
nedxd TIL The current owner of the "Chitty Chitty Bang Bang" flying car is director Peter Jackson. He could would drive cast members of The Hobbit films around in the car while playing the main theme song through a sound system.