Research in Action: Shining a Light on Emotion

Mario Penzo uses cutting-edge genetic techniques to observe and influence brain circuits involved in stress and anxiety.

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One Program,
Many People,
Infinite Possibilities

A premier environment where creative scientists conduct fundamental biomedical research for the betterment of human health—we are the IRP.

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Speaking of Science Podcast

Hear conversations with world-leading researchers working at the NIH IRP on challenges across the spectrum of biomedicine.

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SciBites Video Shorts

Watch IRP researchers provide a quick taste of their scientific projects.

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Welcome to the IRP

The Intramural Research Program (IRP) is the internal research program of the National Institutes of Health (NIH), known for its synergistic approach to biomedical science. We invite you to explore the possibilities.

Research in Action

Learn about our researchers, their goals, achievements, inspirational moments, and most of all, why they are passionate about the research they do here.

Shining a Light on Emotion

Mario Penzo uses cutting-edge genetic techniques to observe and influence brain circuits involved in stress and anxiety.

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Virtual Realities, Real Discoveries

Susan Persky uses immersive simulations to understand how genomic information influences people’s health behaviors.

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A Feel For Collaboration

Alex Chesler works with colleagues across the IRP to uncover the mysteries of touch and pain.

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A Broken Link in the Chain

Janet Hall explores the cascading effects of hormonal disruptions on the reproductive system.

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Cracking the Tubulin Code

Antonina Roll-Mecak examines how tubulin diversity might affect cell shape, movement, and recovery after injury.

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