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TIL that John L. Leal was put on trial for adding sodium hypochlorite - chlorine’s predecessor and considered poisonous - into the water supply of a chemophobic Jersey City in 1908, but was vindicated after the move practically eradicated typhoid.

Read more waterandhealth.org

via reddit.com

E1JD0 TIL about the Eisriesenwelt, a natural limestone and ice cave in Austria. It is the largest ice cave in the world, extending more than 42km and the frozen lake inside the cave, during the Second World War, was used by skating athletes to train for the Olympics.
YprdG TIL that sperm donation has a height requirement
Oge4 TIL: Due to the invasive Burmese Python, Florida’s raccoon population fell by 99.3 percent, opossum by 98.9 percent, and bobcat by 87.5 percent between 2003 and 2011.
pWWe TIL that in 1931, after Texas Rangers barricaded a bridge spanning the TX-OK border, Oklahoma Gov. “Alfalfa Bill” Murray appeared at the site armed with a revolver, backed by the Okla. National Guard, to reopen the bridge. The bloodless “Red River Bridge War” even got the attention of Adolf Hitler.
Xdkk TIL Pablo Escobar spent $2500 per month on rubber bands to hold stacks of bills together