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TIL that before the advent of refrigeration "ice houses" were used to store ice, sometimes from nearby freshwater sources during winter, and sometimes from the "ice trade" where ice was imported from colder countries. Often locally sourced ice would stay frozen until the following winter.

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QJXYM TIL that The Beatles watched George Harrison lose his virginity and they cheered in the end.
N78yP TIL about Richard Passman, an engineer who worked on the Corona, the spy satellite that informed the U.S. of Russian nuclear power. He died of Corona.
4X786 TIL the planes that struck the World Trade Center Twin Towers weighed 100% more, carried 100% more fuel, and flew 100% faster than the plane whose impact the buildings were designed to withstand, a Boeing 707 airliner flying at landing approach speeds.
xODB TIL in 1983, a 19-year-old named George shot himself in the head in an attempt to end his battle with OCD. Instead of killing him, the bullet ended up destroying the part of his brain that controlled the obsessive behavior, curing the OCD.
DZgg Til that a dental assistant attempted suicide by intravenously injecting 135 grams of mercury. She survived, and and suffered none of the renal, gastrointestinal, or neurologic effects that can result from the oxidation of mercury in the blood and consequent exposure of these organ systems.