If you possess keen eyes and a sharp mind capable of quickly identifying anomalies, then challenge yourself with this puzzle.

An optical illusion is a visual phenomenon where our eyes perceive something differently from reality, tricking the brain into misinterpreting what it sees. These illusions occur because the brain ...

New research complicates the old consensus that IQ is largely fixed, and that's good news for anyone looking to boost their ...

A cat hiding in plain sight in this optical illusion picture. Only those with a keen vision and a high IQ can find the hidden ...

Average IQ varies depending on geographic location, resource access, and much more.