An image featuring small, connected gray squares appears to move right before your eyes, but the figures on the screen are actually static - you see them as shifting because your brain is being ...

Optical illusions are images or designs that trick our eyes and brain. They make us see things that are not really there, or see movement where nothing is moving. These illusions happen because our ...

Optical illusions are no doubt interesting. At the same time, they often leave people baffled. Just like this optical illusion that may leave you scratching your head. What is even more interesting is ...

A new brain teaser tests cognitive abilities by challenging readers to form a square by moving one matchstick within 8 seconds. The puzzle features four matchsticks arranged in a plus sign. This test ...