few animals experience the world as we do. By analysing the properties of animals' visual systems, we can model what the world would look like through their eyes. The images below each show a scene as ...

How do dogs see the world? Dogs see differently than humans. The reason lies within the eye. In the eye are light receptors called cones and rods. Cones help us distinguish different colors ...

Watch this video which explains how light travels into our eyes so that we can see things. Of course, you can only see something when there's light. And what is light? It's energy that zooms ...

You can see the iris in action when it squeezes or ... they look and chose to have children with blue-eyed people. Why do ...