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TIL the 1984 Los Angeles Olympics were run with very little government funding and ended with over $200 million in profit.

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oBWmr TIL The vibrations and contractions of a cat's purr show a consistent pattern and frequency around 25 Hz; these frequencies have been shown to improve bone density and promote healing in animal models and humans.
OoYxL TIL Texas Ranger Frank Hamer (1884-1955) is credited with having killed between 53 and 70 people. Over his career he was shot 17 times, and left for dead 4 times. He is best know for his lead role in tracking down Bonie and Clyde.
8RXa TIL that there is a guy who ran 50 marathons in each of the 50 states in 50 consecutive days.
LgXr TIL that Gandalf from Lord of the Rings is the same ‘being’ as the ancient Balrog demon that he fought.
XBGR TIL that before the invention of the heart-lung machine, surgeons used “cross circulation” for open heart surgeries - a child was connected to their parent’s heart, which oxygenated the patient’s blood and pumped it back in.