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TIL walking barefoot leads to healthier feet (reduces rate of osteoarthritis & athlete’s foot; improved foot strength, flexibility & mobility) [pdf]

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9ww0Q TIL that the first person to break the sound barrier wasn't Chuck Yeager. That record belongs to Nazi test pilot Lothar Sieber, who crashed his rocket powered (partially) wooden aircraft into the ground at just over Mach 1 in 1945.
J1BjB TIL Having a light underside and a darker top is a form of camouflage known as countershading. Animals with reverse countershading, like the honey badger, stand out more as a warning that they can defend themselves.
WkgA8 TIL if the people of Planken, Liechtenstein exercised their constitutional right to secede, they would become the world's least populated nation (450 people) and the third smallest in area.
e9Ek TIL A man named Steve Schutz submitted himself to over 150,000 mosquito bites over twelve years to build up immunity. He no longer itches from mosquito bites
D1llY TIL that Pelé’s last game was an exhibition match between his two former clubs: the New York Cosmos and Santos. Pelé played the first half for Cosmos and the second half for Santos.