Think you have sharp eyesight? Try this optical illusion eye test and spot the hidden number in a mind-bending brain teaser.

In this optical illusion picture, a deer is hiding in plain sight in the hills. Do you have the most observant eyes that can ...

Optical illusions play tricks on your brain and can make you ... then the rigid pencil will appear to transform into rubber before your eyes. The pencil remains rigid, of course, but your brain ...

While most of the time our brain processes what our eyes see, there are instances when this powerful organ fails us. We selected a few optical illusions to test your perception of reality.

Optical illusions are an excellent way of testing your observation skills and challenging your brain. These brain teasers ...

Border control officers are experts at detecting fraud, but can you match their level of precision? This mind-bending optical ...

Dr Chris and Dr Xand teach you how to trick your eyes with an optical illusion that's more than it seems! Step 1: If using, get a grown-up to help you cut the front and back off your cereal box.

Optical illusions reveal how our brains process information. In an image featuring a panther, bird, and hidden woman's face, ...

If you enjoy testing your observation skills ... This optical illusion plays with natural camouflage, making it tricky for the untrained eye to detect the hidden bird at first glance.

From using highlighter to strategically applying eyeshadow, these tips will help you enhance your natural beauty.