The afterimage illusion works because the color receptors in the retinas of our eyes get tired and stop working properly if we stare at a color for too long. When that happens, the information ...

Optical illusion tests are beneficial for brain function as they challenge our visual perception and enhance cognitive skills ...

Take the Color Flash brooch, an exuberant cocktail of rubies, yellow, blue, and green sapphires, black spinels, amethysts, ...

It’s not uncommon for people to watch the world go by without paying much attention to something happening in the background.

A Reddit brain teaser featuring a tennis ball hidden in a pile of leaves has gone viral, highlighting the benefits of mental ...

A head-scratching optical illusion challenges the perception of color and how the brain plays tricks on us. In an image ...

We selected a few optical illusions to test your perception of reality. Produced by Robert Libetti Follow BI Video: On Facebook More from Science Things are not always what they seem. While most ...

Optical Illusion Test: Optical illusions are tricky pictures that play with your mind and test how well you can see details. They help scientists understand how our brain processes visual information.

There is a mathematical side to optical illusions. One professor studies them in hopes of creating a safer world. Man on a roof or ladder against the wall: either way, it just doesn't seem ...