'Octopus boom is decimating our shellfish catch' - Octopuses changing colour rapidly incur a high metabolic cost - Watch as male model is dragged underwater by OCTOPUS - as beast crawls over his body & snares him in its tentacles - Octopus arms have segmented nervous systems to power extraordinary movements - Octopuses are a new animal welfare frontier--what scientists know about consciousness in these unique creatures - Could octopuses take over Earth if humans go extinct? - Clever octopuses in 'pole position' to dominate planet if humans die out - Researchers' unique 3D maps might help solve the mysteries of octopus arms - Octopus suckers inspire new tech for gripping objects underwater - Octopuses work together with fish to hunt--and the way they share decisions is surprisingly complex