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TIL that gunpowder was discovered by the Chinese monks trying to make an elixir of life. Gunpowder: Origins in the East

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YmL7 TIL: Delivering pizza is more dangerous than firefighting.
7jdb TIL: The groove on a vinyl record is on average around 500 meters long
KOpZ9 TIL Jason Padgett was hit in the head after a violent attack in 2002, this attack in turn made him acquire Savant Syndrome, which gave his extremely good math skills and a different view in the world, with water looking like flowing lines as opposed to the smoothness most of us see.
740P TIL after a mine explosion killed 29 coal miners in 2010, a study found that 6 out of 7 tested victims had black lung, including one who had worked in the mines less than five years.
KBrw TIL the Ferrari Prancing Horse logo originally decorated the plane of Count Francesco Baracca, Italy’s top fighter ace of WWI. The badge was given to Enzo Ferrari after the ace was shot down by his mother, who said “Ferrari, put my son’s prancing horse on your cars. It will bring you good luck.”