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TIL use of asbestos dates back at least 4500 years ago

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OG58R TIL that Australia has never had a passenger jet crash. Military jets, firefighting jets, prop driven passenger planes have crashed - but never a single jet, either in Australia or an Australian operator elsewhere.
oBegE TIL it is not illegal to drive barefoot, and the thought that it is illegal is simply a wide-spread urban legend
nep57 TIL of the Jackson State Killings, where Mississippi state highway patrol shot into a crowd of Jackson State students, killing 2 and wounding 12, on May 11, 1970. This was one week after the Kent State Massacre.
nKw9 TIL a term for gay used to be “Friend of Dorothy”. In the 80s , the Navy believed that there actually was some woman named Dorothy at the center of a massive ring of homosexual military personnel, so they launched an enormous and futile hunt for the elusive “Dorothy”.
QJoeE TIL Hippocrates believed that the natural processes of the body shouldn't be intervened. This philosophy carried into the late 1800s to the extent that development of pus was seen as positive indicator of healing because it was routinely found in all kinds of wounds. It was called "laudable pus".