When we think about how animals experience the world, one of the first things that comes to mind is their eyes. And for good ...

But in some of the darkest places on Earth– like deep caves, underground tunnels, and certain underwater spots– evolution took a different route. Some animals lost their eyes over time.

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

We call this kind of eye a compound eye, and because all the little lenses point in different directions, animals that have them are very good at detecting movement – especially of big things ...

The presence of the tapetum can be observed at night when a pair of glowing eyes reflects back a flashlight or some other light source. (Interestingly, different animals have different color ...

Do you really know what lies behind these unique ... animals like huskies or cats. Sectoral (or partial) heterochromia: Here, a single eye displays multiple shades. Part of the iris may be a ...

They are just one of an enormous variety of eyes owned by molluscs - animals such as slugs, snails, oysters and octopuses - which demonstrate different steps in eye evolution. Although giant clams are ...