Professor Lars Schmitz joins WIRED to guide us through a giant tree of life mapping the evolution of eyes in the animal ...

This video from Wired shows every type of eye in the animal kingdom. All kinds of eye facts are covered. For example, the ...

Nocturnal animals tend to have proportionally bigger ... The retina is home to two different kinds of light receptor cells—rods and cones. (Both are named after their relative shapes.) ...

Whereas human eyes contain three types of colour-detecting cells ... of an enormous variety of eyes owned by molluscs - animals such as slugs, snails, oysters and octopuses - which demonstrate ...