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TIL of "Hammer" Simwinga, a Zambian man who has helped stop poaching in North Luangwa Nat'l Park. Most villages near the park relied on poaching for income. Simwinga eliminated the need for poaching for 35K+ people in 60 villages by teaching sunflower planting, beekeeping, & sustainable farming.

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YpR8v TIL there is a scifi short story called 'The Man Who Came Early' where a modern engineering student is sent back in time but his lack of practical know-how and his over-sophisticated ideas lead to none of his suggestions being implemented.
WDRL TIL that 97% of Americans are contaminated with a widely-used sunscreen ingredient called oxybenzone that has been linked to allergies, hormone disruption, and cell damage.
gMB4D TIL: 6 years after resigning, Nixon testified on behalf of former FBI assistant director Mark Felt at Felt's own trial, and gave money to Felt's defense fund. In 2005 Felt revealed he had been "Deep Throat", Bob Woodward's source while breaking the Watergate scandal that led to Nixon's resignation.
woPJJ TIL that Dalai Lama, spiritual figure of Tibetan Buddhism, is a prominent watch collector with his most valuable watchpiece being the Patek Philippe Ref. 658. He received it when he was 8 years old.
rNEOd TIL Ostracods, a species of crustacean, produce sperm cells 6 times longer than their own bodies.