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TIL despite being one of the most common elements on Earth, aluminum was hard to isolate until the 1800s. It wasn't widely used for everyday things like coins and foil until the 1950s and 60s. At one point in history, it was more valuable than gold

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1rkX TIL there is a term called “zugzwang,” to describe a situation in chess where a player would prefer not moving at all when it’s his turn, because moving any piece would worsen his current position. A player who is forced to make a move in this situation is said to be “in zugzwang.”
jmDR TIL that if you are still Single at the age of 25 in Denmark your closest friends hit you with cinnamon.
7rK1P TIL Whenever a new Podestà was elected in 16th century Treviso Italy, the Fontana Delle Tette had red wine flowing from one of the woman’s breasts while white wine poured from the other. The torrent of free tipples lasted for three days and was free for all citizens
lood1 The boomerang seems as Australian as ''Waltzing Matilda,'' but the oldest specimen may have come from a far distant part of the world -Poland. Scientists, there have found a 23,000-year-old piece of the curved mammoth tusk that some ancient artisan carved and polished into the aerodynamic shape of a boomerang.
R7g5w TIL that “Toy Story 2” was almost lost when a staff member accidentally ran a command deleting valuable files. They were able to salvage two months of intensive work because one of the technical directors had just had a baby, was working from home, and had saved backups on their home computer.