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 But the study, which has not yet been peer-reviewed, didn't determine what messages the arm waving ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A new study has suggested a species of marine animal may communicate ...

The four arm wave signs in adult Sepia Officinalis. A1) The "up" sign, most frequently expressed, has a distinctive feature of extension of the first pair of arms in the vertically upward direction of ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Cuttlefish have long fascinated us with their spectacular ability to camouflage, but now they reveal a previously unknown form of ...

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