These are the mouthparts of two different kinds of ticks. The mouthpart is what a tick uses to bite and latch onto you or your pets. Each mouthpart has a pair of hooked “teeth” for piercing the skin ...

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.

Cells are in constant motion. They package and move molecules around, change the shape and position of their organelles, and much more. A new microscopy method developed by researchers at HHMI’s ...

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 ...

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 ...

What am I looking at? This is a video of two so-called HeLa cells that are labeled with a marker for an actin cross-linking protein. The thin tendrils extending from the cell and waving around are ...

This rearing caterpillar will eventually transform into an owl moth – which gets its name from the brown, tan, and black pattern on the wings of the adult moth because they resemble owl feathers. Get ...

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 ...

Even cellular components need good roads to travel along. This image shows key components of the cytoskeletal road map labeled in red, blue, and green. Even cellular components need good roads to ...

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 ...

This video presents a kaleidoscope of colors within brain tissue, each of which represents a different protein within the tissue. The video was created using an innovative microscopy technique called ...