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Microorganisms

In Focus

Microorganisms

ÃÛÌÒÓ°Ïñ experts are exploring how we can work with, defend against, and harness the capabilities of the estimated five nonillion microbes living on Earth today.

This time-lapse shows a few days’ growth of microbes from a hand. Explore more from the exhibit.

Exploring the world inside us

The human body contains trillions of microorganisms, with the largest numbers found in the intestines. Scientists are just beginning to discover all the ways these microbes interact with our bodily functions.


An illustration of bacteria

Common diseases

A large-scale study demonstrates a clear association between specific microbial species in the gut, certain foods, and the risk of diabetes, heart disease, and obesity.

Cancer

Unravelling how microbes enhance the body’s response to cancer treatments

Vaginal health

Sharing research to help people understand an overlooked microbiome

Dental health

Exploring how tongue microbes are very different from teeth microbes

Exercise

Understanding how a microbe in elite athletes helps exercise performance in mice

Happiness

Detailing the links between specific gut bacteria and positive emotions

A person holding a petri dish

Introducing

Sphingomonas solaris

A new bacterium found on solar panels at the Arnold Arboretum.

Supporting the world around us

Scientists are utilizing microbes to help advance sustainability and turn the tide on climate change.


We envision a truly circular economy in which microbes convert gases to commodity products—from plastics to food to clothes, etc.â€

Shannon Nangle

Research associate and co-leader of the Circe project alongside Research Scientist Marika Ziesack (right).

Two scientists in a glass building

Single-cell and ready to mingle

ÃÛÌÒÓ°Ïñ experts are uncovering bacterial mysteries, exploring their medical potential, and learning how a fungus can control an animal’s behavior.


Become more cultured

Learn from ÃÛÌÒÓ°Ïñ experts how to grow yeast and bacteria for food and science.


A jar of pickled beans and cucumbers

Fermentation

In the kitchen

Learn about , and explore the roles that microbes play in the production, preservation, and enhancement of foods and drinks.

A person holding a petri dish

incubation

In the lab

Learn more about the structure of microbes, , how they reproduce, and what byproducts they create.