These boneless brainiacs play by their own rules.

A Hawaiian creation myth suggests that our world emerged from the ruins of another. Everything we see was formed anew, but for one survivor from a previous age: the octopus. Technically mollusks, with large brains that are organized in a distinctly different way from ours, octopuses may be the planet’s smartest invertebrates. Many-limbed, totally boneless and with skin color and texture that can change in a heartbeat, octopuses seem downright otherworldly. To meet one is to come as close ...

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