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TIL DeForest Kelley, who played Dr McCoy in Star Trek, wanted to become a doctor, but couldn't afford medical school. He regularly received letters from fans who went into medicine because of him and said "to influence the youth of the country ... is an award that is not handed out by the industry"

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OoY0R TIL Researchers at King's College London found that the drug Tideglusib stimulates the stem cells contained in the pulp of teeth so that they generate new dentine – the mineralised material under the enamel.
5V01n TIL 33% of American women met weekly recommendations for aerobic exercise, as opposed to 43% for men.
RPb8 TIL Daniel Craig used to sleep on park benches before he got regular acting work
M7xNW TIL factory workers were told to clean the paintbrushes on their lips while painting the self-luminating radioactive radium dials on watches in the 1920s.
OGBZ7 TIL On July 26, 1931, a swarm of grasshoppers descended on Iowa, Nebraska, and South Dakota devastating millions of acres of crops. It was so thick that it blocked out the sun and one could shovel the grasshoppers with a scoop. Cornstalks were eaten to the ground and fields left completely bare.