Though the human brain is only about the size of two fists, it contains roughly 100 billion neurons! Learn more about your amazing brain and the different ways that neuroscientists study it.

Even without a disease such as Alzheimer's, the aging brain does show signs of wear. Researchers look to the molecular level to see if they can slow the healthy, normal progress.

You may think multitasking makes you more productive. In actuality, it slows you down, increases the mistakes you make, and temporarily changes the way your brain works.

Brainy mollusks are enhancing our understanding of injury in the animal kingdom.

Although sensory systems share basic features of organization, each is uniquely designed to respond to a particular aspect of the world.

Astrocytes, highlighted here, are a key contributor to healthy function in the brain.

Through complex systems that begin with cells that respond to physical stimuli and send signals through a maze of brain circuits, we can know — both consciously and otherwise — what goes on around us and within our bodies.

This tiny pond snail is teaching researchers about the changes that take place in the brain when long-term memories form.

Engaging in regular, aerobic activity may be as good for the brain as it is for the body.

Imagine hearing a bird chirp and seeing the color yellow. This is what life may be like for someone with synesthesia. Explore the unique experiences of a synesthete and learn more about this rare condition.