This Worm-y Critter Is (Probably) Our Oldest Ancestor | SciShow News

The video explores the discovery of ancient bilaterian fossils, Ikarya Wariootia, which may push back the origin of bilaterians by millions of years. It also delves into the study of microbial communities on human tongues, using advanced imaging techniques to understand their structure and potential health benefits, such as regulating blood pressure through nitric oxide production.

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