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TIL: WWII aircraft designers had selection bias by analyzing returning planes to increase armor on the damaged areas. Abraham Wald pointed the craft didn’t need the armor to survive, and proposed armor on the undamaged sections as hits to these areas must have destroyed the craft not returning.

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BromD TIL The term 'Mahoska' from 'The Untouchables', misquoted as 'mahaska', originates from the Irish phrase 'My Business'.
PY5wn TIL, Andy Warhol made an adaptation of A Clockwork Orange in 1965. The film, "Vinyl", is about Victor, who spends his time lifting weights, dancing and torturing people before being arrested.
P1Pdw TIL about Hatshepsut, the greatest female pharaoh of Egypt. She expanded Egyptian trade routes and oversaw ambitious building projects, most notably the Temple of Deir el-Bahri. Hatshepsut remained largely unknown to scholars until the 19th century.
gMW0W TIL the popular Vine "Ryan Gosling Won't Eat His Cereal" was created by Ryan McHenry. McHenry was diagnosed with Osteosarcoma cancer and passed after battling for a year. In a tribute to McHenry, actor Ryan Gosling created a Vine account and ate a bowl of cereal.
1a9Rr TIL in 1987, an engineer used a new computer program “rwall” to send a message to his university server. Instead, the program broadcasted the message to every user on the internet—including the Pentagon.