Most of an Octopus's Neurons Are in Its Arms

Roughly two-thirds of its half-billion neurons sit in the arms, letting them act with a degree of independence.

Détails

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In 2016 he slipped out of his tank and went down a drainpipe to the sea.

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Females typically die after their eggs hatch, having guarded them without eating.

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Veined octopuses have been filmed carrying coconut shell halves to use as portable shelters.

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Thousands of color-changing cells called chromatophores let them blend in or flash warnings.