If you're looking for one of the coolest, most fascinating creatures in the sea, it's probably the octopus. Not only do they have all those arms, but they can also change colors, and squeeze into even ...

Octopuses can be fooled into thinking a fake arm is actually their own. When scientists in Japan pinched an artificial appendage during experiments, octopuses recoiled in defense – swimming away, ...

Researchers studied octopuses in the wild to learn whether they favor one of their eight arms over the others for certain jobs, but found the creatures give new meaning to ambidextrous. The octopus is ...

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