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TIL Some police departments won’t hire people who have above-average IQ

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wogY8 TIL about Ultrasonic cross-device tracking. Audio "beacons" can be embedded into television advertisements. In a similar manner to radio beacons, these can be picked up by smartphones, which allows the behavior of users to be tracked. Humans can't hear these sounds at all.
bPLa TIL There is a German beer with the registered trademark “Fucking Hell”, where Fucking refers to a Village in Austria and Hell is a german sort of Lager.
yQeMv TIL the "blue ribbon" in the name of Pabst Blue Ribbon does not come from it winning a first place blue ribbon in any contests. It comes the fact that little blue ribbons were tied around the bottles between 1882 and 1916.
N7VN1 TIL the College of the Ozarks doesn't charge tuition. Instead, students work on campus at least 15 hours a week (and have two 40-hour work weeks.)
7rZZ7 TIL that Tarrare, a man living in the 1700s, had an endless appetite due to unknown causes. In one case, he ate 15 meals in a single sitting, and his endless hunger led him, while in a hospital, to eat piles of garbage, as well as trying to drink other patients blood and eat corpses from the morgue.