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TIL "Accuracy" is the ability to hit a target, "Precision" is the ability to achieve the same results over and over. You can be accurate without being precise, and precise without being accurate.

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Z8WaD TIL the ancient greeks thought the body was regulated by four humors (juices): blood, yellow bile, phlegm and "black bile". In a healthy body they were in the right proportion to each other, an imbalance was thought to be the cause of diseases. From these humors we still have words like sanguin or
Armw TIL When Joan Crawford died, her long time rival Bette Davis said:“You should never say bad things about the dead, you should only say good … Joan Crawford is dead. Good.”
m1g4R TIL that on June 5th, 1967, a cook on a fishing boat south of Iceland saw a column of smoke in the distance. Moving to assist, the crew approached only to find that it was a volcanic eruption in the middle of the ocean. The eruption lasted 7 months, resulting in the creation of a new island, Surtsey
w9oM TIL that “A sentence must not end in a preposition.” is one of many misconceptions about the English language that even native speakers can’t get rid of.
pYZxG TIL that in the 1950s and 60s, people could buy plastic screens to colorize their black & white TVs