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108

TIL that Blood donors in Sweden receive a text when their blood is used on a patient

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via reddit.com

LQRKp TIL the "YKK" on your zipper stands for Yoshida Kogyo Kabushikikaisha, the Japanese company that makes over half the world’s zippers.
lWy1 TIL the South Pole is 9,301 feet above sea level - but 9,000 feet of that is ice.
GYmjg TIL envelopes have hatching on the inside to prevent a third party from being able to read sensitive information contained within.
4XrMJ TIL, although the narrator begins Moby Dick with the famous opening, "Call me Ishmael," he is not stating his actual name. Rather he is briefly representing his back story with that of Ishmael from the book of Genesis, who was the cast-out son of Abraham born to a slave woman named Hagar.
mx6Ey TIL When Al Kaplon lost his job as a minor league umpire, he took his talents to Hollywood and has been an umpire or referee on movies and TV like "American Gladiators", "The X-Flies", and "Dodgeball: A True Underdog Story". He's even been an umpire for a Viagra ad.