Yeast Farts Power Pump for Medical Patches, Purdue University Study

Published: Sep 21, 2012

This new medical device doesn't require batteries because it's not powered by electricity. Instead it's essentially powered by yeast farts. Researchers have created a tiny pump, designed to transfer drugs into the body through a patch, that is powered by the carbon dioxide produced by ordinary baker's yeast when the yeast fungi eat.

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