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TIL of the $23 million dollar toilets designed by NASA for deep space missions. With odor control being a serious issue, NASA pays certified sniffers to smell the toilets after they've been used to evaluate odor-control measures. The lead engineer calls them the "unsung heroes of the space program".

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6PMm TIL on July 30, 1971, the worst air disaster to that date occurred when a Fighter Pilot Trainee collided with a Boeing passenger jet over Japan. All 162 people aboard the jet died, but the fighter pilot ejected before impact and walked away unscathed.
JYYrv TIL for several hundred years the Catholic Church cited a document (the Donation of Constantine) claiming Emperor Constantine bestowed vast territory and spiritual and temporal power on the Pope. It was clearly demonstrated to be a forgery in the 1400s
W7xG4 TIL that in 2008, the city of Chicago sold the rights to collect revenue from its 36,000 parking meters to a foreign-owned company based in the U.A.E, receiving a one-time lump sum of $1.2 billion against a 75 year lease. These parking meters generate about $200 million in revenue annually.
Z869B TIL Beauty and the Beast was one of the first feature-length animated films to use CGI, prominently exhibited in the background and sweeping camera of the ballroom sequence. The ballroom's dimensions read 72ft high, 184ft long and 126ft wide, with 28 windows and a dome that measures 86 by 61 feet.
LYoZ TIL The family of the Columbine shooters had to pay $2.5 million in restitution for the victims