In this podcast, marine biologist Roger Hanlon explains why octopuses are masters of camouflage.Podcast produced by David Levin. Interview by Susan Lewis. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.Learn more about the remarkable camouflage of octopuses--and their cousins, cuttlefish--on pbs.org/nova/camo.