Scientists learn how colorblind cuttlefish constantly adjust their skin patterns to perfectly match the ocean floor
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Summary
On the seafloor, a cuttlefish can make its skin look so much like the sand and pebbles around it that the animal disappears. Earlier experiments made the trick look simple: the eyes read the background, and the brain sends out the matching pattern with no checking afterward. Up close, the change is slower and busier […]
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