Three decades of psychological research show that our visual and auditory senses work together. Famously, an experiment by Robert Sekuler (1997) found that the presence or absence of a clicking sound ...

You have to see this one to believe it - or not believe it. This optical illusion, that has gone viral on social media, is making people all over the world scratch their heads. And all it uses is a 3D ...

Kokichi Sugihara specializes in the impossible. He creates mind-bending physical objects that look and behave in incredible ways when seen from the right angle, such as marbles that roll uphill or ...