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TIL Sierra Mixe corn is a traditional crop grown in Mexico that has a symbiotic relationship to nitrogen-fixing bacteria. It has additional aerial roots that secrete mucous to support the bacteria that fertilize it.

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PYd9n TIL about the Expert Wizard Amendment, which was passed but never implemented.
0bJM TIL A woman (registered nurse) was watching the show “Flip or Flop” on HGTV and noticed a lump on hosts neck. Emailed production company to make them aware and host ended up having thyroid cancer and didn’t know.
Y7VKB TIL about Robert Liston, a British surgeon noted for his speed and skill in an era prior to anesthetics. His most famous case involved a leg amputation that took 2 1/2 minutes, and resulted in the amputation of his assistant's fingers and the coat tails of a surgical spectator.
GErJ TIL Geraldo Rivera is largely responsible for the Satanic Ritual Abuse Panic of the late 1980’s
WRGX TIL that a computer scientist created a program that would teach itself how to beat old NES games. The AI worked out that the only way to beat Tetris was to pause the game just before losing and never resume it.