As a result, purple and magenta are known as "nonspectral" colors, because they don't really exist as actual electromagnetic ...

The colors of the fibers indicate the direction in which they ... short-term memory, and more. An average human brain weighs about 1.4 kilograms (3 pounds).

New research shows that the human brain automatically recognizes what actions an environment affords—like walking, climbing, or swimming—even without conscious thought.

The human eye does not actually see purple ... and the strength of the signal from each cone (and type of cone). The brain then determines what color you are looking at by comparing the ...

Color vision is a great example. Human color vision improved through evolution by the recruitment of brain cells from centers responsible for the sense of smell. This theft, so to speak ...

How do you intuitively know that you can walk on a footpath and swim in a lake? Researchers from the University of Amsterdam ...

Researchers built a 3D image of nearly every neuron and its connections within a small piece of human brain tissue ... fill out the 3-D form and label and color each component.