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TIL Pulse oximeters, the devices that measure oxygen level in the blood, are more likely to be inaccurate in people of color. This inaccuracy led to disparity in care for patients of color.

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Wv7d TIL that a group of islands in the Pacific called the Pitcairn Islands are some of the most remote islands in the world with a population of ~50 people. The islands have a very interesting history and are accepting applications for new residents!
BpWb TIL the Pope worked as a bouncer to pay for school.
Zb84 TIL that R. Lee Ermey, the actor who played Gunnery Sergeant Hartman in Full Metal Jacket, is the only retired US Marine to ever be promoted. He was personally promoted by the Commandant to Gunnery Sergeant, to match his rank in the movie.
VM0DD TIL that Timothy Ray Brown is considered to be the first person cured of HIV/AIDS. Brown had chemotherapy and a bone marrow transplant to treat leukaemia. His transplant came from someone with a natural genetic resistance to HIV. He was cured of HIV but scientists don’t fully understand why.
E1rrw TIL the 2000 yr old Syrian soap industry finally returned to Aleppo. Their laurel soap is the oldest soap in the world.