› added 2 years ago

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TIL male octopuses evolved to have detachable penises due to cannibalistic female mating practices

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J0EB TIL There are approximately 35,000 stray dogs living on the streets of Moscow. Some have learned to obey traffic signals and, through their acute sense of smell, navigate the subway system. There is even a statue for Malchik, a stray dog who was stabbed by a passerby in 2001.
R50Q TIL that U.S. paper currency can be picked up with a strong magnet.
MA9b TIL A man in 1938 agreed to have himself monitored on a electrocardiogram as he was executed to see the effects on his heart.
PY6GV TIL about gympie-gympie, also known as the Suicide Plant. Covered in silica hairs which act like hypodermic needles upon contact, and filled with neurotoxins, simply brushing up against the plant will leave you in excruciating pain for months to years. No treatment is available.
nelLr TIL in 1984, a group of cannabis growers in Northern California sued the federal government, alleging they had been subject to illegal surveillance by U2 spy planes.