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TIL that "the father of the atom bomb" Robert Oppenheimer's daughter Toni was refused security clearance as a UN translator after the FBI brought up the old charges against her father. In 1977 she hanged herself at the beach house she inherited from her parents.

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5YWWk TIL the ‘infinity symbol’ is called a Lemniscate.
p8MeN TIL: Popup headlights were actually invented in the '30s. They came back in the 80's when auto manufacture needed a way to skirt minimum headlight height safety laws, and fell back out of fashion again due to modern regulations concerning headlights being on movable body work.
negoY TIL that the Pan Am airplane shown delivering Wonka Bars in Willy Wonka and the Chocolate Factory crashed in Indonesia in 1974. 107 people died.
ADnY7 TIL: The beaches of Guarapari in Brazil are naturally radioactive. The beaches contain high levels of monzite, which contain uranium and thorium The background radiation is 161 times the background for most places in the U.S. For daily beach goers, this amount is well-above safe levels.
XElOP TIL that in 2006, Mattel's "Furryville" toyline drew ire from real life nurses for naming their duck nurse character "Nurse Quacktitioner", alleging a "medical quack". Despite Mattel pointing out that "ducks quack", the toy was eventually pulled.