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TIL North Carolina has the 3rd highest euthanasia rate in the USA

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V8DG TIL Researchers at MIT studied phantom traffic jams (jams that arise in the absence of any obstacles) and found they are inevitable at a certain vehicle density threshold. The waves of traffic are named Jamitons, and are similar to the equations that describe detonation waves produced by explosions.
0wZGM TIL in 1990 the grand marshal of the LA Gay Pride Parade was an 82 year old retired straight female professor. Her research in the 50s led to homosexuality no longer being considered a mental illness in the United States.
ADvb4 TIL Debbie Reynolds, Carrie Fisher's mother, died a day after Carrie Fisher's death.
4X8ea TIL that the huge Lake Kivu is one of three lakes known to have limnic eruptions, natural disasters that create CO2 gas clouds that wipe out life in the area. It takes place every 1000 years or so and 2 million people now live in the vicinity.
pAYb TIL That Havard has books that are bound in human skin.