Deep in the ocean, jellyfish, shrimp, fireworms and other creatures use multi–colored lights for defense, luring food, attracting mates, and communication. In their new book, Steven Haddock and Sönke Johnsen explore the nature of underwater light—investigating the varieties of transparency, pigmentation, iridescence, bioluminescence, and fluorescence found in the watery beyond.
UnDisciplined: Under the sea
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