The program honors the contributions and service of Hanna Holborn Gray, an HHMI trustee for nearly three decades and a former president of the University of Chicago. During her tenure, the Institute ...

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 ...

Ever seen legs like these? You’re looking at the legs of a brine shrimp, also known as a sea monkey. But these are not just ordinary legs. As brine shrimp rhythmically beat their legs, they are using ...

Can you imagine living your life with a nose like the one on this rosette-nosed chameleon? While scientists aren’t sure why it evolved this unusual structure, many distinctive ornaments like this are ...

Serotonin is a biochemical compound that contributes to a variety of important biological functions, including the regulation of mood and emotions. Certain brain cells make serotonin and release it ...

Love them or hate them, snakes are biologically fascinating. This image shows the skeleton of a corn snake. Its flexible spine and jaws allow it to eat animals like mice and rats that you would never ...

Pyramidal neurons are a very common type of neuron in the brain. Their cell bodies have a unique pyramidal shape that is the source of their name. They make up about two-thirds of all neurons in the ...

This caterpillar, looking for all the world as if it’s holding a yoga position, will eventually turn into a lobster moth. When threatened, these caterpillars strike this pose to make themselves look ...

What am I looking at? These images show a single cell in the middle dividing into two so-called daughter cells. The stage of the cell division process represented here is called anaphase. In these ...

This image shows a thistle mantis fastidiously cleaning one of its antennae. Males use these antennae to detect pheromones (reproductive chemicals) released by females of the species that are ready to ...

What am I looking at? These are cells derived from monkey kidney tissue, growing in culture. They were filmed at a very slow frame rate overnight, and you are seeing the video played back here at a ...

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 ...