HHMI's scientific research programs are open to researchers in basic biological and biomedical sciences in many scientific disciplines, at hundreds of institutions across the US.

Muscles are formed by the merging of many small myoblasts into larger myofibers. This fusion of mononucleated myoblasts with a single nucleus into multinucleated myofibers with multiple nuclei is an ...

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 is a crested gecko, named for the spiny ridge that runs along its back and head, all the way to its eyes. These lizards are expert climbers and can use their padded feet to grip almost any ...

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 ...

Can you guess what the colorful, bushy cells in this image are? They may look like sea anemones growing on a coral reef, but they’re actually cells from the trachea of a mouse. And you might be ...

For humans and other mammals, hair plays three major roles: insulation, protection, and sensation of stimuli in the environment. On the other hand (or foot, as in the case of this beetle), insects ...

The green specks in this image are particles of the Middle East respiratory syndrome (MERS) coronavirus; the red in the background is a kidney cell in culture. This is a rare virus from the same ...

Beauty is all around us. It is everywhere our eyes can see – in the breathtaking majesty of snowcapped mountains, in the tranquil shores of tropical beaches, and in the faces of those we love. But ...

Coronavirus disease 2019 (COVID-19) is a disease caused by SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2). These have become household terms since the start of the global COVID-19 ...

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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 ...