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TIL scientists have begun using the soot on feathers of birds in museum collections to track changes in air pollution over the last century. The specimens yield very precise data on black carbon levels.

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VAp TIL in 2011, the main menu theme for Civilization IV (“Baba Yetu”) was the first original musical composition from a video game to win a Grammy.
kOwM5 TIL Marie Curie was involved in a sex scandal when a newspaper published love letters between her and a former student of her deceased husband. Her lover later challenged the newspaper’s editors to a dual to defend Marie’s honor.
BrDJr TIL a 31 yr. old man was diagnosed with a fractured cervical spine caused by virtual reality gaming due to rapid movement and the headset weight. Visual stimulus removed the brains awareness of perceived threat to self harm allowing increased rotation of the spine.
9wMNm TIL that my university has their own version of the Poop Knife- they did research to see if a knife made of poop could disarticulate a dog
N7VjN TIL IKEA started serving food in its stores because the owner Ingvar Kamprad learned that many customers were leaving without buying anything due to hunger. Over 1.2 billion hot dogs and 11.6 billion Swedish meatballs have been consumed since its opening.