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TIL that in 2011 the head of the American College of Surgeons was forced to resign after he wrote a Valentine’s Day editorial touting the mood-enhancing effects of semen on women during unprotected sex, which was completely supported by the research he cited in said editorial.

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via reddit.com

Gdog TIL: a Thermos flask creates a highly efficient thermal insulation by creating a partial vacuum between 2 barriers. Since there’s virtually no air/gas/matter, there’s nothing to carry energy away (bar the canister itself). This is how rocket fuel is stored - in a giant Thermos.
DP7j TIL the US gas guzzler tax that was designed to discourage fuel-inefficient vehicles only applies to cars, but not SUVs, trucks, and vans, since they were rarely used as passenger cars when the law was passed in 1978. The law has since not been updated to reflect modern times.
b9wR0 TIL John Corcoran graduated from highschool and college at a reading level of 2nd grade. In spite of this, he taught high school for 17 years and did real estate for 10 years without getting caught. At 48, he received tutoring from a volunteer literacy program, and became a literacy advocate.
grR6A TIL the earliest written references to King Arthur appear in the Historia Brittonum (9th c.), though the full legends of King Arthur and the Knights of the Round Table were later grouped into the “Matter of Britain,” one of three great medieval literary cycles.
ymJv TIL 19 Ph.D’s were given an incorrect formula for determining the volume of a sphere and asked to verify it by filling the sphere with water and measuring the volume of the water, all but one clung to the incorrect formula despite empirical observations.