Argonaut mystery solved, says scientist

Scientists said Wednesday they had cracked the mystery of the paper nautilus, the brittle and translucent shell belonging to rarely-seen species of open-water octopuses called argonauts.

Octopuses shown to map their visual landscape much like humans do

An octopus devotes about 70% of its brain to vision. But until recently, scientists have only had a murky understanding of how these marine animals see their underwater world. A new University of Oregon study brings the octopus's ...

Taking a lesson in evolutionary adaptation from octopus, squid

Cephalopods such as octopus and squid evolutionarily diverged from mollusks like slugs and snails. These animals have elaborate compact nervous systems located within specialized arm appendages, which can perform a surprisingly ...

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