The trick here is that your eyes get used to the pattern right away. Once the brain sees row after row of the same figure, it stops searching for anything unusual. That is why the odd number blends in ...

Optical Illusion Challenge: Optical illusions are mind-bending images that challenge your perception and test your observation skills. There are three types of optical illusions: literal, ...

A brand new optical illusion is making waves online, challenging viewers to spot a cleverly hidden number in a sea of lookalikes. Solving the challenge is easier said than done. Only the most focused ...

The trick lies in repetition. Once the brain sees the same number appear dozens of times, it stops paying close attention. Psychologists often call this “visual fatigue.” Your eyes are scanning, but ...

Puzzle breakthrough:A UNIVERSITY College Dublin mathematician has managed a world-first – confirming the minimum number of starting clues needed to deliver a unique answer when playing the number grid ...