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TIL A Wankel Engine doesn't use pistons, but instead a rounded triangle that would spin in a combustion chamber. The last production car to use one came out in 2003, including a model that could use both hydrogen and gasoline in the same engine.

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nW7L9 TIL An English composer, Jeremiah Clarke, couldn't decide if he should commit suicide by hanging or drowning himself. He flipped a coin and after the coin landed on its edge in the mud he went home and shot himself instead.
kOxpg TIL-An undergraduate architecture student in '78 found a flaw in the Design of Citicorp Center '77: that Citicorp Center could blow over in the wind. Repair work was done throughout the night and quit at daybreak, just as the building occupants returned to work. The story remained a secret until '95
R7BBa TIL 75% of the world lives off of 12 crops and 5 animals. The crops are; sugar cane, corn, rice, wheat, potatoes, soybeans, cassava, tomatoes, bananas, onions, apples, and grapes. The animals are; Cattle, Chicken, Pig, Goat, and Sheep.
NXa5M TIL Sarah "Crazy Sally" Mapp was an English lay bonesetter in the early 1700s, known for performing impressive bone-setting acts in Epsom and London. She learned the practice from her father and gained fame as a woman working in a male-dominated profession.
N74O1 An international team of scientists sequenced a protein crystal located in the midgut of cockroaches in 2016. The reason? Scientists think cockroach milk could be the next superfood.