Harvard University · Department of Human Evolutionary Biology

Nutritional & Microbial Ecology Laboratory

We study how the gut microbiome shapes human health and evolution, probing the metabolic consequences of interactions between humans and the trillions of microbes in the gastrointestinal tract.

Recent News

May 13, 2026
Rachel gave an invited talk at the Bridging Horizons Symposium for Planetary Healthspan, convened jointly by the U.S. National Academy of Sciences and Chinese Academy of Sciences and held at The Royal Society of London!
May 7, 2026
Congratulations to Dr. Emily Venable on the successful defense of her Ph.D. dissertation! Emily is off to a coveted position as a Life Science Specialist at L.E.K. Consulting!
May 6, 2026
Congratulations to graduate student John Kahumbu on passing his qualifying exam!
April 24, 2026
Amar and Rachel’s paper exploring how microbiome variation is shaped by metacommunity processes (“The Island Biology of the Host Microbiome”) is out today in Trends in Microbiology!
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