Optical illusions are among the most popular online challenges today. It is considered the simplest way to test an individual's attentiveness and visual prowess. Attempting optical illusion puzzles ...

An optical illusion is a puzzle in which the image in front of you possesses a different perception. These illusions are given in different forms, like puzzles, crossing numbers, hidden items, jumbled ...

A viral painting appears ordinary at first, but many viewers claim a face emerges after prolonged viewing. Neuroscience ...