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TIL both Caller ID and call waiting were invented Dr Shirley Jackson; the first African-American woman to gain a PhD from MIT. Her breakthroughs in theoretical physics & telecommunications also allowed for portable fax, fibre optic cables, and solar cells.

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epDNn TIL that one of the closest times mankind has been to nuclear war was in the 1950s when, among other things, US intelligence received reports of an identified flying object over Turkey- which was later identified as a wedge of swans
WkkAY Short answer: Maybe, but they'd be very busy
k0Q1 TIL Coyotes and badgers will hunt together. The badger digs up the prey and the coyote runs it down.
d8MEd TIL that "Nguyen," the most common Vietnamese surname, is the 9th most common surname in the Czech Republic/Czechia.
P1A9Z TIL A breakthrough in kidney stone treatment will allow them to be expelled without invasive surgery, using a handheld device. NASA has been funding the technology for 10 years, and it's one of the last significant issues in greenlighting human travel to Mars.