Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. In Head Trip, PopSci explores the relationship between our brains ...

The Best Illusion of the Year contest offers researchers, and participants, an opportunity to explore the gaps and limits of human perception. By Katrina Miller Take a look at this video of a waiting ...

Researchers have discovered new variations of an illusion created when we see three rapid flashes in our side vision. Regardless of the position of the second flash, the illusion causes the brain to ...

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Can you trust your own eyes? This video might be one strong case for a resounding, “No!” Even after the trick behind the magic is revealed, it’s hard to make your brain parse the truth. Although this ...

Most people use the terms “optical illusion” and “visual illusion” interchangeably. “That’s a pet peeve of mine,” says Pascal Wallisch, a neuroscientist and psychology professor at New York University ...