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TIL the FBI estimates that there are between twenty five and fifty serial killers operating throughout the United States at any given time

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5WPr TIL Caterpillars can retain memories after metamorphosis despite liquefying
VBVAB TIL the Dutch word "Swaffelen" (meaning to hit an object or person with one's penis, often repeatedly) won 2008 word of the year in the Netherlands and Belgium.
awZ9A TIL That Don Mclean's American Pie held the record for almost 50 years for being the longest song to reach number one on the Billboard Hot 100 before Taylor Swift's "All Too Well (Taylor's Version)" broke the record in 2021.
MexgV TIL Aerosmith's Joe Perry use to keep a roadie by the side of the stage instructed to give him a toot of cocaine through a straw whenever he wandered over pretending to need technical assistance
v1GgB TIL Typhoid Mary is the first person in the United States identified as an asymptomatic carrier of the pathogen associated with typhoid fever. She was presumed to have infected 51 people, three of whom died, over the course of her career as a cook.