Optical illusions push your brain to think creatively, and this one is a tough test. Spotting two patients hidden in an image ...

Using a computer model of the retina, researchers have been able to trace the cause of the expanding hole illusion ...

Today’s optical illusion challenges viewers to find the hidden word “BOSS” in a sea of “8055.” This brain teaser tests your ...

Engaging with optical illusions isn’t just fun—it’s also great for your brain. Here’s how: They encourage you to look at things from a different perspective. Searching for hidden details ...

A classic example of an optical illusion is the "odd one out" puzzle, where viewers are tasked with finding a different number ... adept at considering multiple perspectives.