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TIL two Alaskan islands were occupied by Japan in WWII.
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wikipedia.org
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xVNGo
TIL that ventilators used to be respirators that holds a patient in an air-tight horizontal chamber with patient’s head out, pumping negative pressure to help the patient breathe back in 1930-1950s due to the polio epidemic
M777A
TIL "Fox scents" are so potent that a small leak from a lab resulted in a building evacuation
k5X4
TIL St. Fiarce is a patron saint of hemorrhoids. He miraculously cured his inflamed anus by placing it upon a blessed rock. The stone survives to this day, imprinted with his holy hole, and many still flock to it hoping to cure themselves.
6EQZY
TIL that one of the cities which is hosting the 2022 FIFA World Cup in Qatar isn't even built yet.
OoABe
TIL that natural evolution did not create a chicken that lays so many unfertilized eggs. Human engineering created such chickens. You could call the process "human-caused evolution", "artificial selection", or "selective breeding".