Many things under a rock: the mysteries of octopuses

Introduction: The inner lives of octopuses

1: WHERE ARE THEY? Missing octopuses. Starting out in Alaska ; Dangerous giants ; Lost home

Finding octopuses. Our cousin octopuses ; Octopuses overrun

Missing octopuses again. Global octopuses ; Octopuses seized

2: WANT. Tracking octopuses. Octopus scraps ; Octopus tools

Watching octopuses. Storied octopuses ; Octopus adept

3: REACH. Sensation and the grasp of octopuses. Seeing octopuses ; Reaching octopuses ; Sensational octopuses

Octopus cognition. Constant octopuses ; Dreaming octopuses

4: REVELATION. Solitary octopuses. Octopus hungry and afraid ; Octopus cannibal ; Octopuses in wild relationships

Society octopuses. Gathering octopuses ; Octopus quidnuncs ; Octopuses in domestic relationships.