The Secret World Inside You

Our bodies are home to approximately 100 trillion bacteria living inside us and on us—a vast community known as the microbiome.


The Secret World Inside You explores the rapidly evolving science that is revealing the complexities of the human microbiome and reshaping our ideas about human health, offering new perspectives on common health problems including allergies, asthma, and obesity. 

Exhibition Highlights

The Microbiome of Your Skin

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The Microbiome of Your Skin

Your body's largest organ hosts a huge diversity of microorganisms that is constantly changing as it comes into contact with new microbes.

The Microbiome of Your Gut

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The Microbiome of Your Gut

Your stomach and intestines are home to countless microbes that help you digest food and perform other essential functions.

The exhibition is co-curated by Susan Perkins and Rob DeSalle, curators in the Division of Inverebrate Zoology and the Sackler Institute for Comparative Genomics.

Generous support for The Secret World Inside You and its educational resources have been provided by the Paul and Irma Milstein Foundation and the Milstein Family.

The Secret World Inside You is proudly supported by the Janssen Pharmaceutical Companies of Johnson & Johnson.

The Secret World Inside You is supported by the Science Education Partnership Award (SEPA) program of the National Institutes of Health (NIH).

The Secret World Inside You