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TIL San Francisco has the most expensive rent in the world
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TIL about the Tuskegee Study of Untreated Syphilis, a clinical study on African American men where they went deliberately untreated by medical professionals as part of a 40-year experiment by the US Public Health Service. Cited as "arguably the most infamous biomedical research study in U.S history"
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TIL that Scientists Have Set New ‘Standard’ With Map of the Universe at an Ultra-Precise 1 Percent
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TIL The Quran does not explicitly forbid images of Muhammad
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TIL: Samuel Morse invented the telegraph after he received a letter of his wife’s failing health… after she’d died.
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TIL that United States Army had a tactical deception unit called "Ghost Army" during the WW2, it consisted of 1100 soldiers, their job was to deceive the enemy by inflatable tanks, sound trucks, and fake radio transmissions.