Octopus Arms Have a Mind of Their Own
Octopuses and their relatives stand out from other invertebrates in terms of their cognitive complexity and the range of their behaviors. Despite their evolutionary distance from humans and other vertebrates, these animals can use tools, solve complex puzzles, recognize individual people, and explore objects through play. They do all this and more with a completely unique nervous system.
Read more at my Animal Minds blog: Octopus Arms Have a Mind of Their Own.