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TIL: according to the Catholic Church, a woman can be a saint but can never be a priest.

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6EX7Z TIL the US navy's new class of aircraft carrier USS Gerald R.Ford can accomplish 25% more aircraft launches per day than the Nimitz class and requires 25% fewer crew members. The Navy estimates it will save $4 billion in operating costs over a 50-year lifespan.
og6A TIL that Chinese mathematician Yitang Zhang could not get an academic job upon graduating, having to work as an accountant and a delivery worker for a New York City restaurant. He later went on to solve a math problem that had been unsolved for 150 years and won a MacArthur Genius Grant
4XdyJ TIL During WWII, the only US land operation to take place on the Japanese home islands was performed by a submarine (U.S.S Barb). Crew from the sub went onto to the island and placed explosives on some tracks, which ended up sending a train into the ocean. The barb is the only sub to sink a train.
kOLEW TIL that Nokia has existed since 1865. They started as a papermill and even produced toilet at one stage. The original toilet paper is still on display in a museum in Finland.
0wXMN TIL That most of the Streetlight buttons in cities like NYC, Boston and Seattle dont actually function anymore. they have been left in place to give pedestrians a placebo illusion of control over traffic flow.