Most ants are less than an inch long, making them very small insects. While their petite stature may seem like a problem for ...

The famous Ebbinghaus illusion, named for its discoverer, the German psychologist Hermann Ebbinghaus (1850–1909). Despite appearances, the two orange circles are the same size. Have you ever looked at ...

Ever wondered if animals like sheep or goats see the world the same wacky way we do when we look at optical illusions? Turns out they do. A recent study led by Alina Schaffer at the University of ...