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TIL that German-born soldiers made up about 10% of Union forces during the Civil War. Some of them were exiled supporters of the 1848 revolutions that swept Europe. After the war, the Forty-Eighters supported improved labor laws, and also advanced development in education, medicine, and journalism.

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loRp1 TIL Bees use complicated dance motion to tell other bees where (location, distance & orientation) to find resources
vPaLB TIL that Tesla once allowed a Boombox feature to be active while a car was driving. This allows drivers to play sounds like farts and goat noises outside the vehicle. However, it was forced to be disabled as the sounds could drown out pedestrian warning noises required in every electric/hybrid car.
l7WKa TIL longer passwords are considered more secure than more complex passwords. A password of length 20 using only letters and numbers is much more secure than a password of length 15 that uses letters, numbers, and symbols
j697Q TIL about the dead internet theory, an online conspiracy theory that asserts that the internet now consists mainly of bot activity and automatically generated content manipulated by algorithmic curation to intentionally manipulate the population and minimize organic human activity
dDkV9 TIL in 2016 a doctor performed surgery on the wrong baby. The mother thought her newborn was going for a routine checkup, but instead found out that a frenulectomy had been performed on her healthy baby. A procedure where the flap of skin under the tongue is clipped to give it more range of motion.