Ed Yong looking at the I Contain Multitudes logo

I Contain Multitudes: The Series

Think “we” not “me.”

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I Contain Multitudes offers a new lens on life. With an eye on microbes—microscopic single-celled organisms—larger creatures such as ourselves suddenly look very different. Each of us is a more of a society than an individual. Only about half the cells in or on our bodies are human. The rest make up a menagerie of microbes. Microbes produce chemicals and vitamins that we can’t produce on our own, they help digest food, shape development, and influence behavior.

In This Series