Optical illusions don’t just fool your eyes—they expose how your brain interprets reality. This video explores five powerful ...

An 'unsettling' optical illusion shows two squares which appear to be completely different shades of gray, but are actually ...

Hidden letter and number optical illusions are fun because they look easy at first. But once the timer starts, the brain ...

Perception researchers have long known about the structural and functional features that differentiate our central vision from our peripheral vision. The central (or foveal) region of our retinas are ...

Here’s an amazing optical illusion that will leave your mind buzzing with questions. Here’s an amazing optical illusion that will leave your mind buzzing with questions. I was just chatting with my ...