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TIL That a study on drinking alcohol found that the amount of shrinkage in the hippocampus — the brain area associated with memory and reasoning — was related to the amount people drank. Those who had four or more drinks a day had almost six times the risk of hippocampal shrinkage as did nondrinkers

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e0Avn TIL Forrest Gump was based on a book, and the book had a sequel in which they mention the movie and Forrest meets Tom Hanks, specifically as to avoid being able to make a movie from that book
R5Rej TIL that the dogs in competitive agility don’t rehearse the course ahead of time. The courses are randomized at each competition, and the trainers (without their dogs) only see the layout beforehand on the same day. When the dog runs the course they are literally seeing it for the first time.
6k4J TIL of the Sentinelese, an indigenous population that lives on North Sentinel Island. They have lived there virtually untouched by modern civilization for 1000’s of years. Any intruders on their island have been met with lethal hostility.
xrZo TIL that in 1847 the Choctaw Nation raised $170 to help victims of the Irish Potato Famine despite having just been forced through the Trail of Tears.
84o4 TIL in 1973 the artist Salvador Dali did a painting depicting Adolf Hitler masturbating on a snowy hillside