Can you remember what you had for dinner last weekend? That ability is a function of episodic memory, and how well we can recall the time and place of specific events typically declines with age.

Their camouflage seems almost magical, but scientists have observed some tricks the cephalopods use to blend in with their surroundings. By Veronique Greenwood Put a cuttlefish on the spot — or, to be ...

Cuttlefish, with their blimp-shaped bodies and eight squiggly arms, don’t age like people do. Sexual maturity tends to come late for them—about three-quarters of the way through their two-year lives, ...

Source: Adam Dewan, via Flickr. Distributed under a CC BY-NC-SA 2.0 license. Cuttlefish, like their fellow cephalopods squid and octopus, are known for their intelligent and complex behaviors.

With one of the largest brain-to-body size ratios of all the invertebrates, the inquisitive cuttlefish could teach us about the evolution of intelligence throughout the animal kingdom—even among ...

Cuttlefish number among the ocean’s ultimate masters of disguise, able to change the color, pattern and even the texture of their skin in an instant to blend into their surroundings. But according to ...

Some cuttlefish absolutely refuse to wear 3-D glasses. These relatives of squid and octopuses have blimplike bodies that end in a ring of eight arms topped by two prominent eyes. It’s not hard to ...