HHMI's Janelia Research Campus in Ashburn, Virginia, brings together teams of scientists to unlock the fundamentals of biology. By nurturing careers, influencing environments, and collaborating ...

Imagine living your life with a 10-foot–long straw fastened to your face, like this acorn weevil does. That protrusion, called a rostrum, is highly useful for the weevil, however, allowing it to feed ...

This woodlouse, also known as a pill bug or roly-poly, is demonstrating how the species can roll its armored body into a nearly impenetrable sphere when it’s threatened. This woodlouse, also known as ...

This vivid chameleon embryo has been stained to highlight the bones and cartilage of its skeleton. You can also see some of its developing internal organs. This vivid chameleon embryo has been stained ...

Confetti mice are very useful in research because they allow scientists to track which cells produce which proteins based on their color under a fluorescent microscope. These mice are particularly ...

Fun fact: The hexagon is the most common shape in nature. The hexagons in this image are in the eye of a dragonfly. Each hexagonal rod, called an ommatidium, contains major structures that have ...

Imagine going to the dentist with this set of teeth! These are teeth located on a snail’s “tongue,” or radula, also called a rasper, which is constantly licking the ground to scrape up and transport ...

These are known as HeLa cells because they were originally isolated from a woman named Henrietta Lacks. She went to Johns Hopkins Medical Center in 1951 and was diagnosed with cervical cancer. She ...

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Take a visual journey through some of the major concepts in biology. These pathways to discovery were created by educators to help users explore various biological concepts. We would like to extend a ...

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View the profile of David A. Agard, PhD, Investigator Emeriti at HHMI from University of California, San Francisco.