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TIL- A doctor was reprimanded by the US govt for treating an elderly black man with syphilis because the doctor ruined their experiment. The elderly black man was unwittingly part of the Tuskegee Syphilis Experiment, and the doctor had unknowingly stumbled upon it.

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0waKN TIL Ernest Gallo created Thunderbird Wine after seeing wine in the inner city sold next to koolaid. Salesman dropped empty bottles in skid row neighborhoods to promote brand awareness. It worked so well when Gallo greeted a bum with, "What's the word?', he shouted, "Thunderbird." Both laughed.
dDV0j TIL that in 2020, to educate the public about misinformation, researchers used AI to have Richard Nixon deliver the never-used "In Event of Moon Disaster" Apollo 11 speech.
M7YDm TIL certain exclusive night clubs implement a 'face control' policy. If you don't meet their beauty standards, you get rejected with "tonight there is a private party."
bM5p TIL That owls fly silently due to specially designed edges of their primary feathers. When most birds fly, turbulence from air gushing over their wings creating noise. However, owls have their primary feathers serrated like a comb, which divides turbulence into tiny currents aka micro-turbulences.
v1Bj8 TIL that the staff of the 9/11 memorial place white roses on the names of any victims who would have been celebrating a birthday