The internet is a treasure trove of optical illusions, from the cognitive to the physiological, constantly proving that our ...

Today I learned that scientists study optical illusions. I always thought they were just for fun. A team of psychologists studied variations of this “expanding hole” illusion to determine what effects ...

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 ...

A mind bending optical illusion showing a stack of cubes has left viewers baffled — with few able to work out what’s going on. A video shared on YouTube shows the cube art placed on a flat surface — ...

Your eyes are about to lie to you. Most people think they see every detail in front of them, but your brain often takes shortcuts to save energy. Today, we are testing your ability to break through ...