Add Yahoo as a preferred source to see more of our stories on Google. Maintaining perfect vision for 400 years is a biological achievement for the Greenland shark. Operating at 9,500 feet creates high ...

Great white sharks have a reputation for being some of the most ferocious animals in the ocean, owing in part to their mouth full of sharp, serrated teeth. Most people believe that they are born as ...

The longest living vertebrate on Earth may have a thing or two to teach us about maintaining our eyesight into old age. New research has shown that the Greenland shark does not experience impaired or ...

Maintaining perfect vision for 400 years is a biological achievement for the Greenland shark. Operating at 9,500 feet creates high-pressure conditions that typically trigger retinal DNA fragmentation.