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TIL that Helen Keller learned how to talk through the work of her teacher, Anne Sullivan. Sullivan taught her by placing one of Anne’s fingers over Sullivan’s throat, one over her mouth, and one on her nose so that she could feel the vibrations of all the different letters and replicate them herself

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Ooj4e TIL that there is s fungus called xylaria polymorpha which looks like dead man fingers protruding from the ground.
W7XQX TIL that Walmart's struggle in Germany was linked to excessive employee smiling, which unsettled shoppers unaccustomed to such behavior. This cultural mismatch, along with other company practices, led to Walmart's exit from Germany in the mid-2000s.
yVOLJ TIL that Van Gogh painted 5 different canvases featuring sunflowers, chose the sunflower because it best expressed "gratitude" and used only three shades of yellow to create the entire painting.
1MV8 TIL the “nasal cycle” is the biological process that automatically switches the bulk of breathing from one nostril to the other throughout the course of the day - and it explains why those with colds will often feel more stuffed up on one side at any given time.
m1mdv TIL the concept of 'alpha's in wolf packs is outdated. Wolves are now understood to live in family units of two parents and their cubs. The 'alpha' concept was based on observations of wolves living together in captivity that did not have any familial relation.