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Rectal breathing: Ventilation alternative increases blood oxygen levels in pigs

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Flushing trillions of tiny oxygen bubbles through the rectum increases blood oxygen in pigs and could be an alternative to ventilation for people with damaged lungs Health 15 December 2021 By Michael Le Page Pigs recover from low blood oxygen levels after bubbles are injected into their rectum Tyler Stableford Photography/Getty Images The injection of … Read more

How changing levels of iron shaped the evolution of life on Earth — and why alien hunters should take note

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This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. Hal Drakesmith, Professor of Iron Biology, University of Oxford Jon Wade, Associate Professor of Planetary Materials, University of Oxford Our red blood is full of iron. We need iron for growth and for immunity. It is even added … Read more