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 ...

How many mantises do you see in this image? The two mantises shown are among the largest and smallest of all mantises. While they seem to be getting along fine, most mantises like to keep to ...

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 ...

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 ...

Unlike prokaryotic cells, all eukaryotic cells have nuclei. Nuclei house most of a cell’s genetic information – much of it in the form of DNA – making a nucleus a sort of blueprint for building future ...

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 ...

In all eukaryotic cells, actin protein assembles to form a network of thin filaments that spread throughout the cell. The actin filaments give the cell its structure, enable the cell to move, and ...

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 ...

Igor Siwanowicz is a research scientist at HHMI’s Janelia Research Campus. He earned his PhD at the Max Planck Institute in Germany in structural biochemistry, but his love for animals and nature, as ...

Karl Gaff is a senior technical officer in the School of Physics at Trinity College Dublin in Ireland. He holds a master’s degree in imaging and microscopy from University College Dublin and a ...