life inspired

"Most robots stick out in nature like a sore thumbdrive. Now, scientists have found a new way to help them blend in—by changing not only the color, but also the texture of their skin. Inspired by cephalopods—squid, octopus, and cuttlefish—which use ring-shaped muscles to squeeze small bumps on their skin into large bulges that mimic rocks and algae, researchers created similar reversible protrusions with sheets of stretchy silicone. " Full news @ Science.