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TIL the “Don’t wear white after Labor Day” rule was started by rich housewives after the Civil War. It was a way for woman from “noble old money” who were in the know to recognize those of “vulgar new money.”

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J1wGV TIL: Asthmador was an asthma treatment in the US in the 1950s. It was made up of 3 toxic/hallucinogenic compounds belladonna (atropine), stramonium (nightshade/jimson weed), and potassium perchlorate (oxidant commonly used in fireworks). One common delivery method for Asthmador - cigarettes!
BrLxk Today I learned that being late in Brazil is so part of the culture, if they want to start on time they say “com pontualidade britânica” which means “with British punctuality.”
awdVN TIL the Nazis tried to make a sun gun, or sonnengewehr. They would launch a 100-meter-wide concave mirror into space and use it to reflect sunlight onto the enemy, burning cities, boiling reservoirs and (pretty much) melting people.
67oZ TIL the Mount Pelée volcanic eruption destroyed the adjacent city of St. Pierre with pyroclastic flow and only one man survived in place because he had been imprisoned in a poorly ventilated, dungeon-like cell
oRWQ7 TIL that the small ridges on the roof of your mouth are called rugae? These unique patterns of ridges are as unique to each person as fingerprints!