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TIL Using headphones for listening to a level like 85 decibels is generally safe for eight hours. A level of 94, 95 decibels will cause potential damages to hearing

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p8MeN TIL: Popup headlights were actually invented in the '30s. They came back in the 80's when auto manufacture needed a way to skirt minimum headlight height safety laws, and fell back out of fashion again due to modern regulations concerning headlights being on movable body work.
QZRa TIL Cunningham’s Law which states, “The best way to get the right answer on the Internet is not to ask a question, but to post the wrong answer.”
mxjPY TIL that in 1970 the University of Connecticut Student Senate voted to sell its mascot, Johnathan (VII) the Husky, because he “represented the establishment”
awZ7J TIL that a sperm whale’s clicks are powerful enough to easily blow out a divers eardrums or vibrate a diver to death.
Bgv8y TIL that those various "Heidi" movies are based on a true story