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TIL: India make up about half of all scam calls in 2022

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via reddit.com

v1m9K TIL that Rosemary Kennedy - little sister to JFK - developed violent moodswings at 23. Their father secretly took Rosemary to the notorious surgeon Walter Freeman, who used an ice pick to disconnect her frontal lobes. The lobotomy disabled her & she spent the rest of her life in an institution.
WkAR9 TIL there are planets considered more habitable than Earth, based on potential for biodiversity. Scientists have identified 24 such planets so far.
yVxJ8 TIL that Tritium, vital for fusion fuel like in ITER, is extremely rare with only ~20 kg made yearly from CANDU type heavy-water reactors. It costs about $30 000 per gram, so most fusion projects plan to breed it from lithium due to huge supply shortages.
OGlXY TIL hot foods which spend 45 minutes in takeout containers have 34% higher levels of plastic chemicals than the same dishes tested directly from the restaurant
mx6Mo TIL in 1997 Russia tried manually docking a supply vessel to the Mir space station using only a handheld laser range finder, stopwatch, and remote control joysticks. It went badly, but visiting NASA astronaut Michael Foale managed to save Mir by MacGyvering sailing technique with physics knowledge.