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 ...

Chameleons are lizards that can change their skin color. The multicolored scales in this image are attached to the skin of an embryonic chameleon. Chameleons change color to communicate with other ...

No one likes to be alone. Even bacteria have figured out how to stick together – in an intricate structure called a biofilm. No one likes to be alone. Even bacteria have figured out how to stick ...

These male stag beetles have developed some impressive mandibles (mouthparts) to win mates. Male stag beetles will battle it out with other males to demonstrate who is the largest and strongest and ...

This cross section through the flight muscles of a dancer damselfly shows in blue the muscle fibers that the fly uses to flap its wings. You can also see the nerve that stimulates these muscles in red ...

This looks like a “little purple pill” but is actually a fruit fly embryo undergoing a wave of cell division, traveling from one end of the embryo to the other. Look closely and try to guess which ...

In this zebrafish liver, the blood vessels glitter in gold and the bile ducts gleam in neon blue. This image highlights the close relationship between the circulatory system and the cells of the liver ...

What am I looking at? This is a video showing a section of the cerebral cortex from a mouse. The video was taken by moving the focal plane of a microscope from the bottom of a thick section of brain ...

The tendrils that extend from so-called killer T cells like the one in this image help them latch onto and destroy infected or cancerous cells in the body. Learn more Get a closer view of the image ...

While this group of colorful neurons was grown in a dish from stem cells, in the body neurons like this are responsible for sensing pain. There is a specialized subset of sensory neurons called ...

Can you make heads or tails of these two colorful beasties? They’re caterpillars of a kind of moth called a slug moth – so called because their legs are covered with suction cups, so they move like ...

Beauty is in the eye of the beholder – but since the northern mole cricket spends most of its time underground, there aren’t many other creatures that get a look at this burrowing insect’s furry face ...