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 ...

Recently, a new optical illusion sent the internet into a tizzy. In this, a group of elephants were arranged in a circle. While on first look, they all looked to be blue-purple in color (or rather ...

Optical illusions are all the new rage on social media. From spotting the odd word out to spotting concealed animals, there are a variety of such challenges going viral on the internet. The latest ...