An illusion is when we see and perceive an object that doesn't match the sensory input that reaches our eyes. In the case of the image below, the sensory input is four Pac Man–like black figures. But ...

The Science of It: We all perceive the world around us in different ways. But how does it all work?

For the first time, neuroscientists have established a link between shifts in our visual perception and the cadence of our steps while walking. The research, published in Nature Communications, shows ...