› added 4 years ago

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TIL you should never wash a cast iron pan with soap because it can strip off the oil you've baked and cooked into the dish. Also, when you first get a cast iron, you need to "season" it by baking oil into it and each time you use it, the layers of oil and flavor will build.

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69Ynm TIL: That during World War II, the mathematician Oswald T. Avery discovered that DNA, not protein, carries genetic information. His work was initially ignored by the scientific community, but it later paved the way for the discovery of the DNA double helix.
oRZQW TIL: Faulty calculations of a doctors surplus led U.S. medical schools to put a moratorium on enrollment between 1980 and 2005. During that time, the US population grew 70 million, but the number of medical school graduates stayed at 16,000 yearly.
E1nGo TIL Genghis Khan had 500 wives
kJeEE TIL "Mr. Blue Sky" by ELO was considered for use as the theme song for NBC's "The Office" (2005-2013). However, it was already used as the theme song for another NBC show, the short-lived "LAX" (2004-05). Thus, an original composition by Jay Ferguson was used instead for the show,
6EexY TIL Global Positioning System (GPS) is owned by the United States government and operated by the United States Air Force. The US makes it freely accessible to anyone with a GPS receiver but can selectively deny access to the system.