Octopuses can flip from mottled rock to smooth sand in less time than it takes a human to blink, yet their eyes carry only a single visual pigment that should make them functionally colorblind. The ...

A new shape-shifting material can change both its texture and color in seconds, inspired by the camouflage abilities of ...

Imagine being able to change your colour to disappear into the background, signal your feelings, or regulate your body temperature. Sounds like science fiction, right? But in the animal kingdom, this ...