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TIL about Frederick S. Dawn (Tang Xinyuan), who was a NASA Chief Engineer and textilist who invented several heat-resistant fibers that were critical in the development of the US Space Program. He was later called "The Father of the Space Suit" after Apollo 11's successful landing.

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5jBR TIL A 45 year old Bosnian man named Amir Vehabovic faked his death back in 2007 because he wanted to see who would attend his funeral. Only his mother attended. After this debacle, he wrote dozens of angry letters to his so-called friends and what he thought of their friendship going forward.
9YYYm TIL when James Brady’s surgeon was informed of the media’s announcement that Brady had died in the assassination attempt on Ronald Reagan, the surgeon replied, “No one has told me and the patient.”
xVLnk TIL in 1989 96 people were killed at Hillsborough Stadium in Sheffield, England after they were crushed due to overcrowding. Although match attendees and hooliganism were first cited as the cause, a 2016 inquiry found the police to be at fault due to their mismanagement of the crowd.
OopYe TIL that Australian researchers have developed a needle-free diabetes test that measures glucose levels from saliva and that can reveal their body’s glucose levels on a smartphone app.
x6Ja7 TIL an ocean park in China charges visitors $145 for the opportunity to get close to its polar bears, scoop up their droppings, prepare their meals and feed them once a week, for a 3 hour period.