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TIL there is a large frozen mass under Antarctica that stretches almost 14 miles and we have no idea what it is.

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Ae6B TIL of Dunbar’s number, a theory that suggests there is a cognitive limit to how many people one person can maintain a meaningful relationship with. The number he suggests, 150. There are 4 layers to this; your 5 closest friends, 10 “best” friends, 35 “close friends”, and 100 not so close friends.
dnkZ TIL Canada turned its only privately-run prison to publicly-run in 2006 after a study between it and an identical publicly-run prison found the publicly-run one had better outcomes in “basically every single area.”
P1BJ TIL an 18 year old freshmen funded his education by asking 2.8 million people for one penny
8pr8 TIL that the Blue Code of Silence is an unwritten rule among police officers in the United States not to report on another colleague’s errors, misconducts, or crimes.
WkP7Y TIL part of Norway and Finland's boarder was determined by surveyors who chose convenient walking paths to place border markers rather than use prominent mountain peaks. Thus the highest point in Finland is on the slope of a Norwegian mountain.