See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The animal kingdom is home to all manner of weird and wonderful defense ...

Octopus, squid, and cuttlefish can change their skin’s colors, patterns, and textures in ways not seen anywhere else in the animal kingdom. You see what looks to be a clump of seaweed, and then it ...

Most people have encountered squid through their local seafood menu or field trip to an aquarium. Unlike octopuses, which are named for their eight arms, squid have 10 individual appendages. They most ...

Wouldn’t it be useful to suddenly erect 3-D spikes out of your skin, hold them for an hour, then even faster retract them and swim away? Octopus and cuttlefish can do this as a camouflage tactic, ...