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Caption: The flexible arm of the octopus has virtually an infinite number of degrees of freedom, allowing a repertoire of movements unmatched by even the human arm. This flexibility poses a severe challenge for its motor control system. Remarkably, the octopus solves this problem, when fetching an object to its mouth, by configuring its arm and controlling its motion in a manner similar to that of humans.
Credit: Binyamin Hochner/Current Biology 2006
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