Why don't octopuses get stuck to themselves?

Their arms have mighty suckers, but octopuses somehow manage to avoid wrapping themselves up in knots

Octopus
(Image credit: (AP Photo/Bernd Kammerer))

Life can't be easy for octopuses. Sure, they're universally loved for changing color, opening jars from the inside, and predicting the winners of World Cup games. But they have eight very flexible arms to keep track of, which aren't even under their full control. Each arm is fairly autonomous, and a lot of the motor control happens in the neural circuitry of the arms themselves instead of the brain.

Forget about the left hand not knowing what the right hand is doing. At any given moment, not a single octopus tentacle knows what the other seven are up to — and neither does the octopus.

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