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  1. Glowing Sharks Have Unusual Eyes

    There are species of shark that are bioluminescent and have evolved ocular structures designed to detect faint light patterns in the deep ocean produced by other bioluminescent sharks that live at depths from 600 to 3,000 feet in the mesopelagic zone where very little sunlight reaches. These eyes as expected, have visual adaptations optimized for […]

    Aug 11, 2014 — Read more No Comments