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TIL that the ancient Incas performed skillful brain surgery with a roughly 80% success rate. In comparison, 500+ years later, Civil War doctors only had a success rate of 50%

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pK6N TIL Bill Nye made his television debut on the Back to the Future cartoon series, performing scientific experiments related to each episode.
EgyPp TIL the 2012 Total Recall remake has a 130m director's cut that is 12m longer, features Ethan Hawke, and has a different, ambiguous ending. The theatrical cut was created because younger test audiences unfamiliar with the Verhoeven adaptation were confused by the story.
E1xlo TIL Neanderthals’ tracheal anatomy suggests they had high-pitched, raspy voices, like Julia Child.
BbXx TIL Richard Nixon repeated “The Jewish cabal is out to get me.” several times in private conversations.
nWlZd TIL that the possibility of Black Holes was proposed in 1783 in a letter to the Royal Society