› added 7 years ago

145

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.

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LQvgr TIL that serial killer Ted Bundy helped police catch Gary Ridgway, the "Green River Killer". In 1984, Bundy offered his opinions on the psychology, motivations, and behavior of the killer, and that he was revisiting body dump sites, which turned out to be true. Ridgway was arrested in 2001.
oyp7 TIL Hydrocodone (Vicodin) is no longer available for medical use in most of the world, dating as far back as the 60`s, due to its habit forming side effects. Except in the US where it is available, and classified in a low narcotic category.
v1p97 TIL that the giant blades from green energy-producing turbines need to be replaced as they fatigue, and they are piling up in landfills because they can't be recycled.
pYya8 TIL Cosmonauts drank cognac on the Mir space station in 1997, hours after a flash fire caused by a collision with an unpiloted supply vehicle nearly forced an emergency evacuation. NASA astronaut Jerry Linenger declined a drink
mx1GM TIL cabbages and celery are used as sound effects for stabbing and for breaking bones