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TIL of the Aircraft Nuclear Propulsion program, a failed project by the US Air Force to develop a nuclear powered jet engine

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ME8a TIL there is a type of algae that is one of the most massive single cells in the world, up to the size of a lemon.
gMKQW TIL Parisians used to hang out in the morgue situated near the Norte Dame. The macabre attraction lured as much as 40.000 visitors per day.
7lZP TIL: NASA was to hide the discovery of extraterrestrial life out of fear of societal collapse.
XE16P TIL that the word "mortgage" literally means "death-pledge" in French
dDpvj TIL that The University of al-Qarawiyyin is the oldest existing, continually operating higher educational institution in the world, operating for 1,161 years. It was founded in 859 in Fes, Morocco.