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TIL that the higher your IQ, the more likely you are to be introverted

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KOvOw TIL Zodiac symbols also correspond to alchemy processes and were part of a larger system of symbols that were used as notation in proto-chemistry formulas in the early modern period
xVOOB TIL Dick's Sporting Goods is named after its founder, Dick Stack
gQEW TIL John Cleese’s family name was originally Cheese, but his grandfather changed it to “Cleese” when he entered the military to avoid being picked on.
kJ9y4 TIL from 1810 to 1840 tobacco merchant & philanthropist Joseph Williamson funded excavations of an extensive network of tunnels & chasms, the purpose of which is still not fully clear. The tunnels were later used as waste pits until they were "rediscovered" in 1995.
8Dd8 TIL that the Prairie Vole (a rodent) is monogamous, while its closest relative the Montane Vole is promiscuous. The ADH receptor gene between the two species is different and cause different behavior. The same gene was injected into a laboratory mouse that showed monogamous behavior afterwards.