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TIL of the Diamond Sutra, the World’s oldest dated printed book

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DQMVJ TIL Vietnamese pho has French origins from the stew Pot-Au-Feu.
Z86lG TIL there is a blood sport known as Spider Fighting, where two spiders are placed on opposite ends of a stick and pushed towards the middle to fight one another. In 2002, inmates in a Florida prison got into a fight resulting in life threatening injuries over the theft of a pet fighting spider.
b6rEa TIL Dr. Patricia Bath invented the Laserphaco Probe, which restored sight to millions of individuals suffering from cataracts. Her many firsts include being the first African American to complete an ophthalmology residency and the first African-American female doctor to get a medical patent.
Pb0e TIL that amethyst used to be counted alongside diamonds, rubies, emeralds, and sapphires as one of the most valuable gemstones. However, an extensive supply was found in Brazil in the 18th century and the price subsequently crashed.
X0E9j TIL the most distant individual star we've ever seen, Earendel, was detected because of a chance alignment of the Hubble telescopes instruments and a huge galaxy cluster that warped space and acted as a gravitational lens.