Add Yahoo as a preferred source to see more of our stories on Google. A common octopus (Octopus vulgaris) off Croatia in the Mediterranean Sea. Reinhard Dirscherl/ullstein bild via Getty Images We ...

Researchers observed the common cuttlefish (Sepia officinalis) routinely wave its arms in four flashy gestures. Cuttlefish wave their expressive arms in four distinctive dancelike signals—potentially ...

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.

During an event, details like what you saw, smelled, and felt aren’t stored as a single memory. Rather, they are encoded and stored in your brain separately. To retrieve that memory, those pieces must ...

A new study has revealed that common cuttlefish (Sepia officinalis) are capable of delayed gratification, a trait previously ...

The cephalopod cuttlefish has passed a famous psychological “marshmallow” test designed to gauge the propensity for delayed gratification in children. The findings indicate that these sea creatures ...

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A zoomed view of a small patch of cuttlefish skin, revealing the coordinated expansion and contraction of small groups of light and dark chromatophores. Images have been aligned to remove movements ...

Cuttlefish can remember what, where, and when specific things happened - right up to their last few days of life, researchers have found. Cuttlefish can remember what, where, and when specific things ...

We named him Squirt – not because he was the smallest of the 16 cuttlefish in the pool, but because anyone with the audacity to scoop him into a separate tank to study him was likely to get soaked.

We named him Squirt—not because he was the smallest of the 16 cuttlefish in the pool, but because anyone with the audacity to scoop him into a separate tank to study him was likely to get soaked.