Go Ahead–Laugh!
Not long ago, researchers reported that pigs and mice—and presumably humans—could absorb oxygen through the membranes lining their rectums (https://scitechdaily.com/no-joke-pigs-and-rodents-can-breathe-through-their-butts/). The key was a liquid (perfluorocarbon) that can hold large amounts of dissolved oxygen. It is supplied to the rectum via enema. Perfluorocarbons have been under development for years as synthetic blood substitutes (https://www.phlbi.org/divisions/blood-disorders/artificial-blood/). They […]
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