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TIL that one of the co-inventors of the trolley problem was Philippa Foot, the granddaughter of the 22nd and 24th President of the United States Grover Cleveland.

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W7jLN TIL the cracking sound created by a bullwhip is a sonic boom, the sound created when an object moves faster than the speed of sound. The whip is most likely to be the first faster-than-sound manmade item.
n6Zb TIL Canada sterilized indigenous school girls till the mid 1990s
jZlE TIL newspapers are so big (broadsheet) because the british government began taxing newspapers in 1712 based on the number of their pages.
LkgMv TIL, that the Key and Peele sketch East/West College Bowl sketch was inspired by 3xPro Bowl Jets tackle D’Brickashaw Ferguson, who would later appear on their third East/West Bowl sketch as himself.
Y7Wrv TIL a deity symbolizing love and beauty was distorted into a demon after a century. In the 2nd century AD, Hadrian deified his lover Antinous and demanded that everyone worship this deity. However, in Egypt, people found that a 3rd-century man named Sarapammon was summoning Antinous as a demon.