› added 12 years ago

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TIL in 1946 US researchers used prostitutes to infect prison inmates and insane asylum patients to test the effectiveness of Penicillin.

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Eg0WV TIL: The display of diamonds in Hollywood films and songs is one of the most successful cases of product placement in marketing history. Diamonds were placed in several Hollywood films; including Gentlemen Prefer Blondes, Diamonds Are Forever and in songs such as Diamonds Are A Girl's Best Friend.
w7W7 TIL Planet Fitness prohibits members from creating an “intimidating atmosphere.” Grunting and banging weights result in either the “lunk alarm,” a siren with flashing blue lights to humiliate the perpetrator, or membership cancellation.
e0BgE TIL Vietnam is building its first 2 metro systems: one in Hanoi (capital) with Chinese funding/money and the other in Ho Chi Minh City (Saigon) with Japanese expertise. Hanoi's is progressing more quickly but has had multiple accidents, one deadly. HCM City's has had more delays but no accidents.
VNmG TIL; The Vatican City walls were built to keep out pirates.
AN7p4 TIL a birthday cake after the candles were blown out has 1400% more bacteria than before the blowing