New research into the anatomy of blue sharks (Prionace glauca) reveals a unique nanostructure in their skin that produces ...

Learn more about the tiny crystalline dermal denticles, tooth-like scales that allow the blue shark to change colors.

Sharks have teeth on their skin. It’s a weird idea to get your head around, we know, but that’s not even the big news. New research has revealed that the pulp found within the adapted gnashers on ...

A unique nanostructure in their skin that produces their iconic blue coloration may also enable them to change color.

Blue sharks possess a secret hidden in their skin: a sophisticated arrangement of microscopic crystals and pigments that create their brilliant blue appearance — and may allow them to change color.

Blue sharks get their glow from hidden nanocrystals — and those same structures might let them subtly change color under pressure or depth.