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TIL: How a Fitness App Revealed Secret Military Bases

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nW4dW TIL about the nasal cycle - many people mostly breathe (75%) through one nostril at a time and the dominant nostril alternates throughout the day. You can actually feel which one is dominanting now if you focus.
E8xd TIL: We might have had cassettes , answering machines and VHS neatly 60 years earlier if not for paranoia by Bell Labs /AT&T executives.
jmDR TIL that if you are still Single at the age of 25 in Denmark your closest friends hit you with cinnamon.
b9Z9j TIL accusing someone of being a witch was illegal in Medieval times, since the Church held that witches didn't exist, so it was a heretical claim. The big witch-hunts occurred in the early modern era.
PYk5J TIL Edward Doisy received the Nobel in Medicine for discovery of vitamin K with Henrik Dam. He also competed with Adolf Butenandt in the discovery of estrone in 1930. They discovered the substance independently, but only Butenandt was awarded the Chemistry Nobel