This praying mantis that appears to be looking at us with a dubious expression is a budwing mantis. It is so named because the females have very small, rounded wings, giving the appearance of a flower ...

Zebrafish eyes are similar to ours. We share all the major structures, such as a single lens to focus light, a retina with photoreceptor cells to detect light, and a liquid-filled cavity between the ...

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 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 ...

While the bright coloration of this red-eyed tree frog doesn’t make the amphibious creature see red, it does provide an eye-catching display for humans who glimpse it in its rainforest habitat. In ...

This section of a geometer moth antenna is obviously not a true nose, as we think of that organ, but these moths do use their antennae to detect odorants and other chemicals in the air. Their antennae ...

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 ...

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 ...

The story of the cell cycle is often told only through the perspective of the chromosomes as they replicate and then divide. This resource beautifully illustrates the role of the cytoskeleton in that ...