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TIL that the Type A/B Personality Theory was actually invented by the cigarette industry in the 1950’s to prove coronary heart disease and cancer were risks related to high-stress personality types instead of tobacco use.

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VBrkp TIL that on 25/2/1991, the Patriot missile system failed at an airbase in Saudi Arabia, allowing a Scud missile to hit the airbase, killing 28. A build up of small timing errors caused by errors in the internal clock led to the system failing to detect the missile on time. A patch was issued on 26/2
R5DZ6 TIL why Neal's wife in "Planes, Trains, and Automobiles" was so emotional at the end of the movie. An entire subplot had been cut from the film in which she believed Neal was having an affair and that Del was a woman. When Del and Neal arrived, she realized Del was a man and Neal had been truthful.
9YYGX TIL that the American Heart Association and NY Presbyterian Hospital both have separate Spotify playlists to perform Hands-Only CPR to, based on the 100-120 beats per minute requirement. One of their songs is "Another one bites the dust" by Queen.
m1O9Y TIL about the doorway effect a known psychological event where a person's short-term memory declines when passing through a doorway moving from one location to another when it would not if they had remained in the same place.
x60p5 TIL that the song "Kids" by MGMT was one of the songs they wrote as a joke, which makes me a little sad, because it was one of my favorites.