Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. It’s hard to identify individual members of another species ...

Scientists have conducted studies to figure out whether octopuses experience REM-like sleep like humans do.

A distinct striped pattern on a species of octopus varies from one individual to the next, which could help researchers monitor the rare animal. Pygmy zebra octopuses (Octopus chierchiae), also known ...

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Camouflage isn't the only way cephalopods have evolved to change their appearance. Octopuses and other cephalopods make the fastest transformations in the animal kingdom. Here, a giant Pacific octopus ...