An optical illusion is a visual deception puzzle which tricks the brain into perceiving or perception for something that is ...

Do you have a genius-level IQ? Put your brain to the test with this optical illusion challenge. Find the hidden letter 'Y' among a series of 'T's in under 5 seconds!

Brain teasers and optical illusions are so much more than just fun. The combination of them is a great mental workout for the ...

A viral optical illusion is testing everyone's IQ online. Can you figure out which line is longer in just 15 seconds, or will ...

The optical illusion was shared by a user on X (formerly Twitter) and wrote, “A classic brain teaser. How many animals do you ...

One optical illusion going viral on Facebook right now invites users to find a perfectly camouflaged cat among bushes. To ...

At first glance, this appears to be a photo of a snowy winter scene. But wait! Look closely, yes. There is a cute animal ...

However, there is a proven method that enhances cognitive function and brain power - tackling challenging brain teasers, optical illusions, and other puzzles. While initially, you might find these ...

Can you spot the hidden number in this tricky illusion? Test your observation skills by finding the odd one out from a sea of 135s.

A grayscale ballerina who appears to be moving. A human who can fit in a doll box. A black-and-white prism that appears to ...

Optical illusions play tricks on your brain and can make you see things that aren't really there, from static images swirling around the page to images that stay with you even after you look away.

With their knowledge of the brain, neuroscientists can even anticipate illusions. In 1998, Dr. Macknik accurately predicted that the center bar in the illusion below would disappear if the outer ...