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TIL The stereotype of the “dense US southerner” comes from Hookworm, a parasite that causes developmental delays in children. Absorbed through feet and common when around raw sewage, it’s common in impoverished areas. It was rampant in the early 20th century, and it’s back.

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oOp7 TIL a German and British aeroplane shot each other down in Norway during WWII. The crew met and helped each other survive. Two of them later visited each other many years after the war was over as friends.
ekkb TIL that when chimpanzee infants die, the mothers will continue to carry and groom the dead bodies until the mothers are able to move on.
kO7Jm TIL Cross circulation where a second human (usually they patient's father) was used as a heart bypass 'machine' was used for the first surgeries to fix congenital heart defects in children.
5lKk TIL Gene Wilder refused to watch the 2005 remake of Willy Wonka because he didn’t want to be disappointed in Johnny Depp
8gwa TIL Shrapnel is named after a person.