Add Yahoo as a preferred source to see more of our stories on Google. What color is a tree, or the sky, or a sunset? At first glance, the answers seem obvious. But it turns out there is plenty of ...

New research offers a possible explanation for how the brain learns to identify both color and black-and-white images. The researchers found evidence that early in life, when the retina is unable to ...

Color is an important stimulus for the brain because 80 percent of our sensory impressions come from our visual system. Some research suggests that the pituitary gland, which is responsible for body ...

Perceiving something -- anything -- in your surroundings is to become aware of what your senses are detecting. Today, neuroscientists identify, for the first time, brain-cell circuitry in fruit flies ...

Is purple truly a colour, or merely a clever illusion created by the brain? According to scientists, purple doesn’t exist on the electromagnetic spectrum like red, green, or blue. Yet we see it—and ...

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