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ThePhantomFlanFlinger

Pictures: Squid Iridescence Explained

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Exactly how squid turn these iridophores on and off has, until now, remained a mystery.A new technique allowed the team to hook up electrodes to individual nerves in squid skin. When they sent electrical impulses into the nerves, the iridophores changed color and brightness.

http://news.nationalgeographic.com/news/2012/08/pictures/120821-squid-nerves-iridescence-color-science-animals/#/squid-iridescence-revealed-iridophore_58383_600x450.jpg

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