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TIL that when the Chinese stopped killing sharks for sharkfin soup at the behest of Yao Ming, that people instead shifted to killing Manta Rays

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gDvL TIL that a Catholic priest was kidnapped and castrated by KKK members, including the Gainesville mayor and police chief, at the University of Florida in 1924
VMPB8 TIL that from 1909-38 Good Housekeeping Magazine’s Seal of Approval was the only U.S. grading system for food, drugs, and cosmetics. The magazine fought a federal grading system. Regulators then found the Seal to be misleading and deceptive, forcing reforms.
awNOM TIL several European countries classify loot boxes in video games as gambling, forcing game companies such as Blizzard, EA and Valve to release "loot box-free" versions of their games in those territories.
R7B86 TIL: Egg tempera is a painting medium that uses egg yolk to bind pigments. It was a ubiquitous technique during the early Italian Renaissance, when it was considered the standard for portable easel paintings. Botticelli, Raphael, and Andrew Wyeth all painted with tempera.
Vy6B TIL that the ‘perfect body’ for men went from chubby, to skinny to muscular over the last 150 years.