A head-scratching optical illusion challenges the perception of color and how the brain plays tricks on us. In an image created by the UK contact lens vendor Lenstore, a series of lilac letters ...

Optical illusions have captured human imagination for centuries, convincing the mind to see things in a way that differs from ...

An curved arrow pointing right. Things are not always what they seem. While most of the time our brain processes what our eyes see, there are instances when this powerful organ fails us. We ...

This Optical Illusion video has taken the internet by storm. In this video, you can not spot when a man's hoodie changes colours while he dances. This is why the video has gone viral. Netizens are ...

One illusion in particular involving a picture ... Our brains have been trained to color correct what we see so that objects remain a consistent color regardless of the lighting we are seeing ...

They happen when the eyes report to the brain information that does not match the real thing, causing errors in size, shape, color, or movement. Optical illusions can be categorized into several ...

The peripheral drift illusion causes us to perceive motion in a still image. A new study shows that the mechanism of this illusion relies on changes in pupil size.

Our world is one of green forests, blue skies and glowing orange sunsets — but all those beautiful, vibrant shades are an illusion. Living Colour, a documentary from The Nature of Things ...

In person, the Sky Blue shade is really delightful and almost an optical illusion. Depending on how the light hits it, it can sometimes look silver. It’s not a vibrant blue or a darker one like ...