If you found it within 5 seconds, congratulations! You have top-tier observation skills and a brain built for problem-solving ...

Think you have a sharp vision? Put your observation skills to the test with this mind-bending optical illusion! In this busy ...

Optical illusions have been proven to be a great brain ... "Clearly cat but looks a bit like a bird from another angle." Another user wrote: "It’s either a bunny rabbit or a duck," with a ...

Optical illusions have been shown to offer health benefits as well. They enhance visual-spatial reasoning, sharpen attention ...

Optical illusions have a need to understand ... Instead of following individual stripes, look for straight edges or right angles.

Optical illusions are very effective at deceiving ... that our brains can interpret things differently depending on the angle from which they are viewed. It is not on the left side of the picture.

Challenge your observation skills with this exciting brainteaser by identifying the subtle error in a backyard garden image.

There is a mathematical side to optical illusions. One professor studies ... out objects with faces that are connected in 90-degree angles – like structures we are used to seeing in real life ...

A former Black Hawk helicopter pilot says the oncoming angle of the helicopter and the American Airlines jet that collided ...

Here, Smith made three planar compositions and put them together at right angles. By visual association, the flatness of each of these three units gives the total sculpture an over-all illusion of ...