Mar 24, 2014 — Illusions aren't just for fun; they also help reveal how human vision works. Commentator Tania Lombrozo turns to an expert for an explanation of why we perceive motion where none exists.
Jun 29, 2013 — Misperception tells us something about how we perceive. But when it comes to optical illusions, sometimes getting the illusion is a kind of perceptual success. Enjoy this viral video of young German dancers creating unexpected patterns with their movements.