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TIL Dunbar's research suggests that humans can comfortably maintain approximately 150meaningful relationships. These relationships can range from close family and friends to more distant acquaintances. Beyond the number, it becomes increasingly challenging to remember and maintain social connections

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wL86P TIL: NYC Central Park cost more than Alaska. New York State legislature paid about $7.4 million dollars for 843 acres starting 1853. A few years later in 1867, the US bought the 600,000 square miles of Alaska for $7.2 million
Z8LM4 TIL that there once existed a Rock Paper Scissors tournament in USA
8aGrZ TIL in 1944, 22-year-old Corporal Anthony Damato threw himself on an enemy hand grenade, saving the lives of his two Marines at the cost of his own life. President Roosevelt later awarded him the Medal of Honor calling it a "fearless and valiant sacrifice reflecting great upon himself and the US".
5Ynkn TIL Trent Reznor of Nine Inch Nails once released an entirely free album under a Creative Commons license with the message "this one's on me"
wLBWE TIL The Russian railway network is long enough to circumnavigate the globe more than twice