A brain teaser is going viral on social networks. A test that seems simple but is actually very difficult to ...

You have a high IQ if you can find the hidden word in the anagram in 5 seconds. Test your ...

People with high IQs and excellent observation skills often excel at tasks like these because they can quickly spot patterns ...

A fun spot-the-difference challenge invites readers to find four differences between two seemingly identical bird photos within 42 seconds. We ...

You may have exceptional ability to concentrate and solve problems if you discover two hidden faces under such time pressure. ...

When arriving at the beach, everyone struggles to get the perfect spot. But have you ever thought about the surprises ...

Optical illusions are still images that sometimes give the impression of witnessing a movement with hidden properties. The colors, patterns ...