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TIL the drinking straw was first invented by Sumerians over 5000 years ago to avoid drinking the solid byproducts of fermentation in their beer.

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epP66 TIL that until 2022, the Japanese public school system’s dress code required students dye their hair black. One student was forced to dye her naturally brown hair black, and was told to re-dye it every time her roots grew back. She was given academic penalties for not dyeing it often enough.
BgaZx TIL A billion-year-old single cell organism is showing highly complex intelligent behavior, it has no brain nor neuronal structures nor organs.
kJy1 TIL the movie Hugo released in 2011 cured a person’s stereo-blindness.
neZb9 TIL Napoleon divorced his wife, Josephine, due to her being unable to produce an heir. However, he insisted she retain the Empress title and they remained on good terms. Napoleon's last words before dying were, "France, the Army, the Head of the Army, Joséphine."
neYVP TIL about Lepersonnite, an extremely rare rare earth mineral only found in Shinkolobwe deposit in the Democratic Republic of the Congo. It is the only mineral in which the chemical element Gadolinium, otherwise too reactive to exist, is found in nature. 400 tonnes of Gadolinium are produced yearly.