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TIL a new kind of artificial cornea successfully restored sight in a 78-year-old man. The surgery uses a lens which can more easily replace damaged tissue in a simpler surgery. Immediately after the surgery, the patient was able to recognize family members and read numbers on an eye chart.

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YpJLP TIL that John Adams and Thomas Jefferson died within hours of each other on the 50th Anniversary of the Declaration of Independence, July 4, 1826. Not knowing Jefferson had died hours earlier, Adams last words included "Thomas Jefferson survives."
awLly TIL “Australium,” a fictional metal in the video game Team Fortress 2, has an equally fictional electron configuration showing two kangaroos boxing within the nucleus.
4kKZo TIL a primary inspiration for communism for both Marx and Engels was the Native American Iroquois Indians, the Haudenosaunee.
wV1E TIL a police office from South Korea went on the 2nd largest killing spree in history after an incident with a house fly.
e8rL TIL that in addition to the Seven Deadly Sins, there are Seven Heavenly Virtues: Chastity, temperance, charity, diligence, patience, kindness and humility