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TIL The plastic card where the U.S. nuclear launch codes are written includes codes which have no meaning. The president must memorize where the correct code is located on the list, which allows him to positively identify himself as the commander-in-chief and thereby authenticate a launch order.

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OoeMY TIL that schizophrenic voices are shaped by local culture. Patients in America hear voices asking them to do violent things whereas in Africa and India the voices they hear are usually of dead relatives or nice voices offering comfort
dDZNr TIL about Manichaeism, a former major religion founded in the 3rd century by the Iranian prophet Mani. At its peak, it was one of the most widespread religions on Earth. Manichaean churches and scriptures existed as far as China to the Roman Empire. It was briefly a main rival to early Christianity.
DV9r TIL That at least six air traffic controllers who dealt with two of the hijacked airliners on Sept. 11, made a tape recording that same day describing the events, but the tape was destroyed by a supervisor without anyone making a transcript or even listening to it.
awl0M TIL J. Paul Austin, CEO of Coca Cola threatened in 1964 to move his company's headquarters out of Atlanta if the city did not hold a celebration honoring MLK receiving the Nobel Prize.
yP0J TIL a man was executed for starting the Great Fire of London after he claimed he threw a fire-bomb through a bakery window. This was despite the fact that he was heavily crippled, the bakery had no windows, and it was proven at his trial that he was not even in the country at the time.