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TIL radio represents one of the biggest archives of local history from the 20th century

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VMVZQ TIL The GPS (Global Positioning System) is owned by the U.S. Government and is operated by the U.S. Space Force.
6AZm TIL a British bioengineering company has genetically modified genes in male mosquitoes to pass a ‘suicide gene’ on to its offspring in an effort to reduce Dengue Fever.
dDJDE TIL about Dorothy Molter who lived alone in the Northern Minnesota wilderness from 1948 until her death in 1986. Despite once being called "The Loneliest Woman in America" her remote cabin received upwards of 7,000 visitors a year with many stopping by to sample her homemade root beer.
xVdy7 TIL of Noble Craig, who, after losing both of his legs and one of his arms while fighting in the Vietnam War, became an actor and starred in horror films as various limbless monsters such as the "Snake Man" and the "Vomit Creature"
4kmnb TIL E is not in the grading system cause there was concern it would be misinterpreted as “Excellent”