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TIL that Fluoroantimonic acid is the strongest superacid known to man. It is 2x10^19 times more acidic than 100% Sulfuric and can dissolve glass and many other substances.

Read more chemistry.about.com

via reddit.com

dD0N9 TIL that in 2022 there were over 151M valid US passports, up from 7.26M in 1989. Wyoming had the fewest applications in 2022 with 22k. People can apply for a book or card so may have two.
xVk10 TIL while playing the Wicked Witch of the West, Margaret Hamilton suffered second-degree burns due to a pyrotechnics accident, so she refused to do any more "fireworks" scenes. Later her stunt double was on a flying broomstick, which exploded between her legs and left her permanently scarred.
xdo7 TIL In 2012, Jose Alvarenga, a Salvadorian fisherman, survived 438 days on a raft in the Pacific Ocean. With no motor or GPS or food, he survived on raw turtle and fish, rainwater, turtle blood, and his own urine. He is believed to be the longest surviving castaway.
M7Rxb TIL There Used to be an Annual College Football All-Stars vs NFL Game from 1934-1979
kJ8R7 TIL the East Palestine crash isn't the first time Norfolk Southern has had a major hazmat train derailment. In 2005, a Norfolk Southern train crashed into a textile mill, releasing 60 tons of chlorine gas, putting 4,000 people out of work, and costing $215 million to settle.