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TIL Blood plasma compatibility is opposite red blood cell compatibility: AB is the universal donor for plasma

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YpXv7 TIL terminal patients may exhibit a burst of energy and lucidity near death, it is known as Terminal Lucidity.
Av4l TIL about Muphry’s law. It states that a written​ criticism of editing will always contain an editing error.
w6YY TIL the “town” of Monowi, Nebraska has a population of 1. Elsie Eiler, in her capacity as Mayor, grants herself a liquor license and pays taxes to herself.
4X5o6 TIL: In 400BC, the Persians invented a way to make ice in the desert using evaporation cooling
4Xjj6 TIL a tanner, John J. Loud, desiring a pen that could write on leather, invented the first ballpoint pen and patented it in 1888. This pen had a small steel ball which was placed so it could not fall out nor fall in but it still could rotate freely. Loud's invention then was not commercially viable.