Behold! The Anus: An Evolutionary Marvel

The anus is an evolutionary marvel. But how and when did this organ evolve into what it is today? Today on Short Wave, Maddie gets to the bottom of these questions with The Atlantic's science writer Katherine Wu. For more of Katherine's reporting, check out 'The Body's Most Embarrassing Organ Is an Evolutionary Marvel' from The Atlantic. If you have stories ideas or comments — email us at [email protected] pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy

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