lesswrong.com

Oop01 TIL The latitude coordinates of the Great Pyramid of Giza match the value of the speed of light to seven decimal places.
5Y1b9 TIL prehistoric hunter-gatherer tribes had an average group limit of 50 people. Incidentally, modern research shows that in the video game World of Warcraft, maximum group player cohesiveness occurs at a limit of 50 players.
4d4R TIL that a 1950s summer camp was actually a secret experiment, with the children being the subjects and the “camp counselors” being research scientists.