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

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jlPj TIL If your parents or Grandparents were born in Ireland but you were born abroad you are an Irish citizen and can apply for an Irish passport this also counts for adopted children
a8nJy TIL in 1997 a small Texas community tried to replace "Hello" with "Heaven-o" citing religious reasons
ADvWg TIL Having resulted in 77 people dying in 9 years, Australia's Horses and Cows Are Deadlier Than Its Snakes and Spiders. Kangaroos killed 60 in that time, while snakes and lizards have only killed 23. Spiders haven't killed anyone since 1979
611Q TIL in 1976, a struggling Princeton undergrad wrote his junior term paper on how to make an atomic bomb, using information he gathered from physics textbooks and declassified documents. He got an A in the class, but never got his paper back because it was seized by the US government.
b6lK4 TIL that a battle in the American Civil War was fought in France in 1864, between the USS Kearsarge and the CSS Alabama, in the English Channel off the coast of Cherbourg