Think you have the eyes of a true problem solver? This visual puzzle asks you to find the hidden odd number among similar digits. It looks simple at first glance, but only careful thinkers can crack ...

Optical illusions and puzzles share overlapping vibes. Mental trickery, ‘aha’ moments, cross-eyed frustration. Did you know that the Neural Correlate Society holds an annual contest for the Best ...

Optical illusions have gained a lot of popularity recently, as they get our brain to exercise, and can be the perfect test of ...

A challenging puzzle will put your perception to the ultimate test with a tricky winter optical illusion. Puzzles are a ...

Sharpen your mind with a challenging word search puzzle! This brain teaser, featuring eight hidden words, tests your ...

Optical illusions have long fascinated scientists, artists, and everyday viewers. These visual puzzles can make stationary objects appear to move, straight lines look bent, or colours seem to change ...

Test your hawk-eye vision by spotting the hidden raccoon among cats in 13 seconds with this visual illusion challenge.

Hidden letter and number optical illusions are fun because they look easy at first. But once the timer starts, the brain ...

Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...

AS the New Year fast approaches, we’re all thinking about different ways to keep ourselves on track in the coming months. And there’s a new brainteaser that challenges you to find your ...