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TIL Many 'strict herbivores' will eat animal matter on occasion. Typically this behaviour is opportunistic. Sometimes however, it is deliberate and likely motivated by a need for calcium

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N750P TIL Serena Williams was disqualified from the 2009 U.S. Open tournament for threatening a line judge.
R7gA4 TIL General Ferdinand Foch (Supreme Commander of the Allied Forces in WWI) said of the Treaty of Versailles “This is not a peace treaty. This is an armistice for twenty years.” The Second World War began 20 years and 64 days later.
mxxWx TIL Beaver teeth are orange because they contain iron. This gives them strength and prevents against tooth decay
N7Q1 TIL there’s a company that invented the retractable syringe to prevent AIDS and offers to sell it at a equal price to consumers. Yet they’re over shadowed by a billion dollar company “BD”.
yoYv TIL during the Battle of Marathon in 490 BC, Herodotus recorded the first case of Post Traumatic Stress Disorder when a Greek named Epizelus became permanently blind without being hit.