Studies suggest that those with high intelligence often excel at quickly recognizing hidden images in optical illusions, making these visual IQ tests the perfect way to test your observation skills.

Can you spot the hidden sword in this viral optical illusion? The cleverly camouflaged object has left the internet baffled. Brain teasers come in all forms — from riddles to puzzles — but they all ...

The Colosseum optical illusion challenges viewers to find a hidden gladiator's sword, reflecting problem-solving skills and intelligence levels. This puzzle provides insights into the brain's ...