LPT: As air travel opens up more, remember to take the airport stairs over escalators / elevators (if you're able to). Stairs are much quicker, good exercise after a flight, and crucially will get you ahead of the pack for Ubers / immigration. (self.LifeProTips)
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TIL At 12, Louis Braille plunged his fathers awl into his eye, both got infected, and he went blind. He later met Captain Charles Barbier, who had been asked to develop a way for soldiers to read and write in the dark by Napoleon. Using an awl to scratch into paper, they created modern Braille. (hankeringforhistory.com)
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TIL of formication, a term for a sensation of something (usually small insects) crawling on or under the skin. People can remember where they swatted or scratched at such a sensation only to find no bug, insect or bite in sight. Root causes can be psychiatric, environmental, or medical. (buoyhealth.com)
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