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TIL about Voronoi diagrams, which are diagrams that section of colored areas based on how close spots in those areas are to a point

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4wvN TIL In 2013 a genetic test of fish in restaurants and supermarkets showed 84% of Sushi restaurants in the US mislabeled and replaced tuna with Escolar, a fish known to cause prolonged, uncontrollable oily anal leakage
11eX TIL there is a mosquito used in biological pest control because its young eat other mosquito larvae. It is called the Elephant mosquito due to its size, and the adults feed on nectar, not blood.
OGan4 TIL just like in the Tarantino film “Once Upon a Time in Hollywood”, Sharon Tate really did have a habit of going barefoot in Los Angeles. When she went to restaurants with a "No Shoes, No Service" rule, she would frequently put rubber bands around her ankles to pretend that she was wearing sandals.
7nb TIL: The fiddle song featured in Ken Burns’ The Civil War was not a Civil War song at all, but “a Scottish lament written by a Jewish guy in the Bronx” in the eighties.
VMyWk TIL the Inka never developed writing but instead had a system of tying knots called khipu in which the color, direction and structure of the knots communicated different information. While most of it is numerical, fully cracking the code reveal a phonetic khipu alphabet with records of history.