The wily octopus: King of flexibility

Octopuses have the most flexible appendages known in nature, according to a new study. In addition to being soft and strong, each of the animal’s eight arms can bend, twist, elongate and shorten in many combinations to produce diverse movements. Researchers filmed 10 octopuses over many months while presenting them with a variety of challenges, and recorded 16,563 examples of these arm movements.
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