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 ...

You might say it’s just a pigment of your imagination ...

This short uses a color wheel, a white dot, and a countdown to create a strong visual afterimage effect. The viewer is told ...

Here's a visual illusion that catches the brain in the act of making up color. Arrange a set of black spokes radiating from a center, then recolor short pieces of each spoke to red or blue, ...

Red traffic lights make drivers stop. The color red produces a signaling and warning effect. But is this also reflected in the brain? Researchers at the Ernst Strüngmann Institute (ESI) for ...

Even though the human visual system has sophisticated machinery for processing color, the brain has no problem recognizing objects in black-and-white images. A new study from MIT offers a possible ...

You walk into a room painted in soft blue tones and immediately feel your shoulders relax. Later, you step into a vibrant yellow kitchen and notice your energy levels spike. These aren’t coincidences ...