This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Like a starfish, an octopus can regrow lost ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. With three hearts, blue blood, and eight arms that seem to have a ...

Octopuses and their arms are still a bit of a mystery. Not because scientists don't know how they work; their arms are boneless hydrostats, made up of groups of muscles working together, and capable ...

Scientists set out to understand all the ways the animals use their eight appendages. It wasn’t easy. By Kate Golembiewski The eight arms of an octopus are right there in its name. But these ...

The octopus is a striking creature. Their most defining feature, of course, is their eight arms. A new study of octopuses has now documented exactly how those eight arms are used in the wild.

Octopus arms are one of the most flexible structures known in all of the biological world. Their agility is so extraordinary that robotics researchers want to learn the secrets behind their movements, ...

Researchers studied octopuses in the wild to learn whether they favor one of their eight arms over the others for certain jobs, but found the creatures give new meaning to ambidextrous. The octopus is ...