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TIL salt used to be used as currency, the word "salary" comes from the Latin word for salt

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rN9gy TIL about one of the most crucial cybersecurity attacks in history, the SolarWinds hack. The attack, which was discovered in December 2020, compromised the networks of numerous government agencies including the US Department of Homeland Security and the US Treasury Department.
9xVB TIL the Coen Brothers never read The Odyssey when writing O Brother Where Art Thou. They only read a comic book version.
MQQb TIL: PSY sang an anti-American song in 2004 advocating killing American’s daughters/mothers/fathers/etc. painfully. (S.Koreans should be able to confirm this)
PYDXe TIL that, before iTunes, before CD's, music was played on something called a "phonograph record," or more simply, "record". Made of a type of plastic, record were flat discs with an inscribed, modulated spiral groove. One needed a "phonograph", or "record player" to play the music.
b0Va TIL Pregnant women are affected by morning sickness to protect the unborn fetus in its most vulnerable stage, when organs first start developing. It clears her system (via vomit) of substances that typically carry microbes or toxins.