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50

TIL that Henry Cavendish, a scientist whose work led to Ohm's law, measured current by noting how strong a shock he felt as he completed the circuit with his body.

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X05Gk TIL: The Austrian Crown Jewels includes The Ainkhürn, an artifact which was once thought to be an actual unicorn horn, but which is probably from a Narwhal.
gOEX TIL That the first treatment for a Judge Dredd film that was passed around Hollywood in the 80’s went through extensive rewrites, eventually becoming Robocop.
epaGg TIL A poodle named Cachi fell 13 floors and hit an elderly woman, killing both instantly. In the course of events, a woman came to see the incident and was fatally hit by a bus. In addition, a man who witnessed her death had a heart attack and also died on his way to the hospital
OGZE1 TIL about 'Sexual Parasitism' in Anglerfish, where the male dwarf fish bites an adult female, latches on, fusing its tissues to the female host to eventually share one circulatory system. The male eventually withers away, and all that is left is its testes.
XEDlj TIL that on December 28, 1973, after having worked for 16 hours a day without breaks for six weeks, the crew of the Skylab space station mutineed and shut off communications with ground control for a day