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TIL that Shakespeare was the first to use many words with the prefix “un” (such as unreal, undress, uneducated, unmitigated, unchanging, etc) in print or on stage.

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xyjo TIL Doris “Granny D” Haddock was a political activist who walked over 3000 miles around the age of 90 to advocate for a single cause: campaign finance reform.
WkYV9 TIL Naloxone (Narcon) has became a mainstay of hospital emergency rooms and medical wards. It can be injected or sprayed up the nose, and can stop/reverse a heroin overdose in under two minutes. It’s so vital the World Health Organization placed the drug on its list of essential medications in 1983.
y9ZX TIL the guitar Marty McFly rocks in 1955 in Back to the Future wasn’t created until 1958
wLB17 TIL Linseed oil soaked rags can spontaneously combust during the natural evaporation of the oil. Linseed oil (and tung oil), common products used to preserve wood in homes and restaurants, pose a fire hazard.
5GDP TIL there was a ‘father of algebra’ before Al-Khwarizmi.