Maintaining a sharp mind every day is important, and the best way to do so is by solving difficult brain teasers. The puzzles ...

However, the faces themselves are actually identical shades of grey. The origin of the cartoon ... This is what's known as a 'colour saturation optical illusion', and comes down to the ways ...

The optical illusion seen above makes the viewer feel as if they are falling into an expanding hole – and now we have a good explanation for why this happens. Optical tricks can be caused by ...

London-based illusion attraction Twist Museum has shared an optical illusion set to baffle readers, that tricks the mind into seeing the same black and white photo in colour. The exhibit called ...

Optical illusion photos can be an effective way to test IQ, improve concentration, and enhance visual perception. The article presents a numerical grid challenge where readers must identify the ...

These cleverly designed optical illusion pictures hide objects in plain sight, testing your IQ and ability to stay focused under pressure. This optical illusion puzzle is no different! The Way You ...