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195

Til: Bidet's use less water the toilets and toilet paper.

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nemdP TIL Barry J. Marshall thought the H. Pylori bacteria caused stomach ulcers, and tested it on himself, then treated himself after that, curing himself and winning a Nobel Prize.
ADRbn TIL about Grace Hopper (1906-1992). She was rejected by the Navy during WWII due to her age, her weight-to-height ratio and utility as a mathematics professor. Instead she became a programmer of the Harvard Mark I computer, and later popularized the idea of machine-independent programming languages.
MeLL7 TIL that Iridium is so rare on Earth that annual worldwide production is only three tonnes
69erX TIL six percent of Americans will never visit a dentist
xDb1 TIL Vanilla Ice was the 6th best jetskier in the world and was so good he was sponsored by Kawasaki