Test your IQ with this optical illusion of a twisted round wall. Spot the hidden Möbius strip in 9 seconds and boost your ...

Optical illusions serve as mental exercises, enhancing the brain's ability to detect irregularities. This particular illusion ...

Today’s optical illusion challenge is all about testing your observation skills. At first glance, the image looks simple.

Explore what your subconscious reveals! This optical illusion test analyzes what you see first in an image to uncover hidden ...

ONLY 15% of of millennials can spot the correct hidden image in this blurred optical illusion – but can you do it in less ...

This fun optical illusion tests your ability to focus! The cluster of related numbers conceals a number. Within 5 seconds, ...

Redditors responded with mixed reactions — some successfully spotting the cat’s hiding place, while others admitted defeat ...

An optical illusion has been circulating online that claims to be able to tell you something about your personality based on ...

This fun optical illusion tests your ability to focus! The cluster of related words conceals a word. Within 6 seconds, identify the concealed word among these words. You have only 6 seconds to find it ...

Shared on Facebook by the account Minion Quotes, the image shows a convertible car with the top down and one or two people ...

Optical illusions, like finding a hidden bee in a cozy room scene, are more than just fun. They activate brain regions ...

When the new book Champions of Illusion: The Science Behind Mind-Boggling Images and Mystifying Brain Puzzles arrived at the Mental Floss offices, we couldn't flip through it—and flip our brains ...