Octopuses, Squid, and Cuttlefish: RNA Editing Instead of Genome Evolution?

It isn�t surprising that the intelligent alien life forms that communicate with Amy Adams� linguistics professor character Louise Banks in last year�s film Arrival resemble octopuses minus an arm. Octopuses and their close cousins the squid and cuttlefish are legendary for their intelligence and sophisticated behaviors. The septapods of film fame eject their ink in patterns to converse with their human friend.