Cuttlefish may "wave" at each other with their tentacles to communicate, new research suggests.. But the study, which has not yet been peer-reviewed, didn't determine what messages the arm waving ...

A cute observation in the cephalopods' behavior indicates they also react to sound waves, a notion that will soon be tested with a machine learning approach. Reading time 3 minutes Researchers just ...

Researchers just spotted cunning cuttlefish waving to one another with their tentacles, a previously unobserved behavior that pushes the boundaries of the creature’s intelligence. Cuttlefish—sometimes ...

This story originally appeared on Ars Technica, a trusted source for technology news, tech policy analysis, reviews, and more. Ars is owned by WIRED’s parent company, Condé Nast. “Cuttlefish can ...