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TIL Northern Hemisphere rainwater still contains 3x as much radioactive tritium than Southern Hemisphere rainwater due to atmospheric nuclear bomb tests from the 1960s

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wLmYY TIL The international parking sign was first designed for the 1928 Summer Olympics in Amsterdam
VBX9k TIL that in the late 1800s, pharmaceutical company Bayer was trying to find a safer version of their popular cold medicine, morphine. This accidentally resulted in the creation and marketing of one of the most addictive and dangerous drugs, diacetylmorphine, commonly know today as “heroin”
xV7n1 TIL about the Hillsborough disaster, a tragedy when over thousands of soccer attendees flooded the standing pens so much that 96 people were killed by the stampede.
pYeDO TIL John Wojtowicz, who unsuccessfully tried to rob a bank in 1972 to pay for his wife Eden's gender reassignment surgery. Wojtowicz had based his plans on the movie, "The Godfather" (1972), which he had watched earlier that day
59bP TIL the toxic surfactant, Corexit, pumped into the gulf by the hundreds of thousands of gallons by BP after the Deepwater Horizon spill, was 52 more times toxic when in combination with oil. That is to say that the oil left alone by itself would have been less toxic and easier to clean up.