Karthik Shekhar and his colleagues raised a few eyebrows as they collected cow and pig eyes from Boston butchers, but those eyes — eventually from 17 separate species, including humans — are providing ...

One of the most common adaptations seen in the animal kingdom is vision. Nearly 96% of all animals have some kind of eyes and they've proven so evolutionary advantageous that they've evolved multiple ...

This video from Wired shows every type of eye in the animal kingdom. All kinds of eye facts are covered. For example, the video explains why some animals have horizontal pupils, while others have ...