Cephalopods are amazing creatures – capable of complex learning, chameleon-like fluidity and lighting quick dexterity. Mike Vecchione, director of the National Oceanic and Atmospheric Administration Fisheries National Systematics Laboratory, joins us to talk about these wonders of the sea, which he writes about in “Octopus, Squid & Cuttlefish: A Visual, Scientific Guide to the Oceans’ Most Advanced Invertebrates” (University of Chicago Press).