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TIL that the inventor of the rotary, Felix Wankel, was an ardent anti-Semite, Nazi party member and even did two years as an SS officer

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Lk4pV TIL the same enzyme that makes apples and potatoes turn brown is also responsible for tanning in humans.
P10Nw TIL that in 1950's and 60's the Canadian government, military and the RCMP used a device called "the fruit machine" to attempt to identify homosexual men in the public service. Subjects were made to view pornography while measurements were taken of pupil diameter, perspiration and pulse.
QNrZa TIL The Royal Society of Chemistry once suggested that a Yorkshire pudding should rise to at least four inches tall to be considered authentic.
8eXJK TIL that First Lady Edith Wilson was a descendant of Pocahontas
Y7PEG TIL: Paleontologists call the stegosaurus’s distinctive set of four tail spikes the “Thagomizer.” The anatonomical structure was unnamed until Gary Larsen coined the term in a Far Side cartoon.