The squid might be nature's most impressive quick-change artist. Their skin works like a living display screen, packed with millions of chromatophores, or color-changing cells, that let them match any background faster than you can blink. These ocean athletes can rocket through water at 25 mph - faster than any Olympic swimmer. But speed isn't their only talent: they're also brilliant problem solvers, with complex cognitive abilities. Using flashing light displays to communicate and hunt, squid

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