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TIL Viagra is given to some premature babies to increase oxygen transport by widening the blood vessels, as their lungs often haven't developed enough to transport oxygen efficiently on their own

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6KXJ TIL Stalin’s body double was teased in school because of the resemblance with Stalin
VEQQ TIL Sylvester Stallone was the third person Ever to be nominated for Best Actor and Best Writer Oscars in the same year (for Rocky), following only Orson Welles and Charlie Chaplin.
YplWA TIL that the common ancestor of all fish had lungs, and that modern swim bladders in most fish are actually highly-derived lungs. In more oxygen-poor times hundreds of millions of years ago, being able to gulp down oxygen, which was more plentiful in air, was a huge evolutionary advantage.
XEBxr TIL that a county in Vermont was originally named after Thomas Jefferson. The county was renamed in 1814 due to criticism of Jefferson's record.
9PZm TIL Himmler didn’t allow atheists in the nazi SS. He thought it was important that his men could find faith in a higher power.