For some time, engineers have been experimenting with robotic tentacles modelled on the octopus. Now they're being inspired by their camouflage. Cephalopods -- cuttlefish, octopus, and squid -- are ...

With one of the largest brain-to-body size ratios of all the invertebrates, the inquisitive cuttlefish could teach us about the evolution of intelligence throughout the animal kingdom—even among ...