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Thanks, Evolution—They'll Take It From Here
Good News And Bad News
Watch And Learn: The Most Mind-Bending Content About Cephalopods
Squid Skin with a Mind of Its Own
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Key Facts In This Video
Chromatophores expand with the help of small muscles. 00:34
A squid's chromatophores can still swell and contract even after the nerves connecting them to the brain have been severed. 01:26
Chromatophores seem to open just after the neighboring ones do, and require a refractory period before opening again. 04:01