Masters of Disguise

Octopuses are colorblind, but manage to blend into the background seamlessly—or stand out in bright color to startle their enemies. So how do they do it? That's the question Roger Hanlon of the Marine Biological Laboratory tries to answer with his research. In this video from Science Friday, see his truly awesome footage of near-invisible octopuses and hear his ideas about how octopuses and their squid and cuttlefish relatives pull of such remarkable feats of color and camouflage.