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TIL completely pure water freezes not at 0C but at -48C (water which freezes at 0C is contaminated with bacteria and other particles)

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p85jb TIL Betty Lynn, the actress who played Thelma Lou on the Andy Griffith Show, moved in 2007 from her native Los Angeles to Mount Airy, NC, the inspiration for Mayberry, where she is treated like royalty and still visits with fans at age 93.
e0VeJ TIL that wisdom tooth extraction is a $3 billion per year industry in the USA. As many as 70% of wisdom teeth extractions are unnecessary, and that stopping these unnecessary extractions would reduce the average yearly income of an American dentist by as much as 40%.
eLAb TIL that smoking was not banned on airplanes in the US until 1988. And it was only a partial ban at that
pekQ TIL Peter Falk lost his right eye to cancer at the age of three. He wore a glass eye in its place, which gave him his trademark squint.
6vKY TIL in July 1943, an injured Australian soldier single-handedly carried 12 American casualties to safety whilst under heavy fire at Mt. Tambu