The suckers are also packed with sensory receptors that allow the octopus to taste and smell things that they touch—like combining a hand with a tongue and a nose. The researchers believe the ...

For over half a billion years, evolution has sculpted the nervous systems of bilaterian animals, equipping them with ...

The roundworm C. elegans is a simple animal whose nervous system has exactly 302 neurons. Each of the connections between those neurons has been ...

"Organisms with these sucker-laden appendages that have worm-like movements need the right kind of nervous system," Ragsdale says. "Different cephalopods have come up with a segmental structure, the ...