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TIL Part of the reason we sigh is because the alveoli in the lungs collapse with disuse, and a sigh pops them back open by taking in more air. Humans average about 12 sighs an hour, and without them our lungs would fail.

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oRyrL TIL that A man named Göran Kropp from Sweden rode his bicycle to Nepal, climbed Mount Everest alone without Sherpas or bottled oxygen, then cycled back to Sweden again.
R5jj4 TIL that in May 1937, Adolf Hitler's party founded a state-owned company that was later named Volkswagen, or 'The People's Car Company'. Hitler himself asked Ferdinand Porsche, founder of the Porsche car company, to design it.
pYvOe TIL “Just Desserts” is a pun. The original phrase, “Just Deserts”, describes not desert climates but “moral deserts”—or, things which one morally deserves. “Desert” and “Deserve” share an old French root, but the word “desert” is very rarely used in this form in modern day.
ebYE TIL Elon Musk called Apple the ‘Tesla graveyard’, alleging that many of the tech giant’s senior staff are former Tesla employees who couldn’t make it at his company. Stating: “We always jokingly call Apple the 'Tesla Graveyard.’ If you don’t make it at Tesla, you go work at Apple. I’m not kidding.”
EoVV TIL that legendary MMA fighters Ken and Frank Shamrock are not blood relatives. Both were adopted by trainer Bob Shamrock, who has taken in numerous troubled young men and given them a positive outlet through MMA.