This bright green sea creature contains a toxic pigment that protects it from predators, kills bacteria and determines the ...

A few weeks back, we got a taste for two-stage tentacle mechanisms. It’s a look at how to make a seemily complicated mechanism a lot less mysterious. This week, we’ll take a close look at one ...

The study, “Months-long tracking of neuronal ensembles spanning multiple brain areas with Ultra-Flexible Tentacle Electrodes, ...

A bare servo wouldn’t be much fun, so [Outaspaceman] connected a tentacle and a small Swiss army knife. Yes, a knife. Our readers will be happy to know that [Outaspaceman] has made it to the ...

The male is sans shell, but he too has a specialized arm: a tentacle-like, detachable copulatory organ called a hectocotylus. TAYLOR MAGGIACOMO, NGM STAFF After attaching to the female ...