How do color-blind cephalopods — octopus, squid and others — achieve such a good color match when they camouflage? (in short: amazing, distributed brains). And what does it take to study these elusive animals in the wild? (a whole lot of patience). Marine scientist Roger Hanlon dives deeper into his research.

By examining the eight-armed marine creature and the peculiar way it engages with the world, we can get a glimpse into different ways of existing and being, says cognitive neuroscientist Anil Seth.