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TIL In 1957 Henry Molaison had his hippocampus and amygdala surgically removed due to epilepsy, after the surgery he was unable to form any new memories and could not recall any past memories. He was institutionalized for research and essentially was “stuck in time”.

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0Vbv TIL of the Pronghorn, the fastest creature in the western hemisphere. It can run 57mph for 9 miles. Existing pronghorn’s running speed and endurance far outpace any living predator, likely because its original predator is now extinct. It has 300° vision and can detect movement 4 miles away.
k0y4 TIL Switzerland has forbidden people from keeping lone guinea pigs because the animals are sociable and need each other’s company
BdxD TIL marijuana’s effects on teenage girls brains is much more serious than the very moderate effects on the teenage male
awg9N TIL That Elvis Presleys manager sold "I Hate Elvis" badges as a way to make money from people who weren't buying Elvis merchandise
M7oaK TIL about a two billion-year-old naturally occuring U235 nuclear reactor in Gabon, where unique geological conditions created a sustained nuclear reactor for 100,000 years