How an octopus keeps itself out of a tangle

By Sarah Zielinski, 18:00 PM May 19, 2014

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The common octopus is amazing. It can swim fast, or creep slowly across the ocean floor. It can spread out to a large size or pack itself into the tiniest of spaces. It can change its coloring to mimic its surroundings (and one of its relatives can even mimic other creatures). The octopus can regrow any of its eight arms if one gets severed. And it’s clever, figuring out how to open jars, even when trapped inside. But the common octopus is also a freak: The animal is a cannibal ...

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