Optical illusions are interesting visual phenomena that deceive the brain into seeing something differently from what is real ...

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 ...

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 ...

An intriguing optical illusion challenges readers to find three hidden coconuts among numerous bears. Focus on shapes, ...