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Til that a dental assistant attempted suicide by intravenously injecting 135 grams of mercury. She survived, and and suffered none of the renal, gastrointestinal, or neurologic effects that can result from the oxidation of mercury in the blood and consequent exposure of these organ systems.

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GAWWg TIL about Deaf lifeguard Leroy Colombo, who overcame childhood paralysis through swimming and saved a record-breaking 900+ lives during his career. His swimming talent and use of sight rather than sound to identify drowning swimmers allowed him to save people other lifeguards would have missed.
4K85 TIL: A flood in 1990 led to a bull shark entering an Australian golf course lake. There’s now 12 fully grown adults in the fresh water lake.
78J9p TIL The largest swimming pool in the US was so large, lifeguards needed rowboats to patrol it. Fleishhaker Pool, built in San Francisco in 1924, measured 1,000 x 150 feet, contained 6.5 million gallons of water, and could hold 10,000 swimmers. In 1999 it was turned into parking for the zoo.
jAXX TIL that the word ‘Jebus’ as used in the Simpsons is in fact an old name for Jerusalem, named after the tribe who had built it.
jNvMM TIL : about Maria Yzabell Angel Palma of The Philippines. In 2016 at 19 yo (grade 10), she developed AirDisc, a COOLing system with no freon gas and consumes ~75% less against the current cooling technology. And she discover this while making an eco friendly OVEN.