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TIL "Bezoar stones", undigested matter in porcupines, proboscis monkeys, and other animal's intestines, were once prized in Europe and Asia as magical cure-all stones and worn by royalty on rings.

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b9KOa TIL that eating grapefruit (and a few of its close relatives) can increase the side effects of certain medications by disrupting a specialized group of proteins in your liver and small intestine called cytochrome P450 (CYPs).
4jwJ TIL Gauss personal diaries indicate that he had made several important math discoveries years/decades before his contemporaries published them. Math Historian Temple Bell said that if Gauss had published all of his discoveries in a timely manner, he would have advanced mathematics by 50 years.
Brn1x TIL The probably oldest continuously operated fast food restaurant has been serving Bratwurst in Germany for over 850 years.
Ednx TIL During the Watchman opening credits, Nite Owl I saved Thomas and Martha Wayne (Bruce Wayne’s parents), thus preventing the need for Batman to exist in that universe.
QBMp TIL the first picture ever taken from space was taken fom a Nazi Rocket