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TIL Thomas Jefferson invented the swivel chair.

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6Ev7l TIL about "The Radium Girls", female factory workers who contracted radiation poisoning from painting watch dials with self-luminous paint. The women, told the paint was harmless, ingested deadly amounts of radium after being instructed to "point" their brushes between their lips for a fine point.
OGZE1 TIL about 'Sexual Parasitism' in Anglerfish, where the male dwarf fish bites an adult female, latches on, fusing its tissues to the female host to eventually share one circulatory system. The male eventually withers away, and all that is left is its testes.
WG98 TIL that suicide candidates in 18th-century Denmark were afraid to take their own lives because they believed it would send them to hell. Instead, they resorted to killing other people to receive the death penalty and repented before execution, believing that doing so would send them to heaven.
5geR TIL Former Aussie Prime Minister held a world record for drinking beer.
LkP10 Today i learned about this.