Our perception of how large or small things are in the world is systematically influenced for how we perceive distance or depth. This is most famously shown by the Ponzo Illusion (discovered by Mario ...

Binocular vision is a special ability of the human body. When observing a scene, each eye sees objects from a different angle. Because of this, the images the central nervous system receives from each ...

This is an updated version of an article published on July 15. Hannah Hampton was not supposed to make it as a professional athlete. The doctors told her it would not be possible. That professional ...