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TIL a chemical in “magic” mushrooms can grow and repair brain cells

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via reddit.com

wo54P TIL sloths can hold their breath for 40 minutes, which is longer than many marine mammals including dolphins
e0LK4 TIL about the inventor of Cosplay, Myrtle R. Douglas, aka Morojo. A Science Fiction fanzine editor, in 1939 she created costumes, based on an H.G. Wells movie, for her and her boyfriend to wear to the first World Science Fiction Convention. Within several years costumes became integral to Worldcon.
J0lj TIL Ancient Romans used a mixture of limestone, water, and volcanic ash to make concrete. The mixture and curing technique produces a stronger and more environmentally friendly concrete than modern Portland cement.
5NZk TIL divorce only became legal in Ireland in 1997.
EgvrP TIL: Microsoft tried a 4-day workweek in Japan as part of a "Work Life Choice Challenge" by shutting down offices every Friday. Productivity, measured by sales per employee, increased by almost 40% compared to the previous period the previous year.