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TIL that the 20th President of the US, James A. Garfield, contributed an original proof of the Pythagorean Theorem before he became president. He came up with it during a discussion with other members of Congress, and it was published in the New England Journal of Education.

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wGgP TIL that the dog who played Eddie on Frasier was replaced by his own son in Season 9.
Yp0gG TIL there are languages with no words for numbers, and people who speak them have trouble keeping track of amounts higher than 5
BrALK TIL Disney paid Paramount at least $115M in 2010 to buy the distribution rights of Marvel’s “The Avengers”. As part of the deal, it was Paramount that was shown in the movie’s opening title despite NOT being the one who owned, financed, marketed & distributed the film. It later grossed over $1.5B.
e0pxg The ocean produces at least 50 percent of the Earth’s oxygen, and strangely enough, whale poop is the fuel that helps keep our oceans alive. In this episode of Today I Learned, Asha de Vos tell us why we should all say thanks to whales and their poop.
Y7Z1P TIL there are incinerating toilets that burn human feces. The excrement is collected in a pan and incinerated, reducing it to pathogen-free ash