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Scientists Discovered The World’s First Natural Fiber-Optic Cables In Heart Cockle Shells. Aragonite Tube Bundles And Microlenses In The Shell Focus Sunlight To Symbiotic Algae That Feed The Clam, While Blocking UV. Unlike Man-Made Fibers, No Coatings Are Needed To Trap Light. The Clam May Inspire Cheaper Optics, UV Protection, & Adv Tech.

Nature’s first fiber optics could light the way to internet innovation

https://www.sciencenews.org/article/clam-fiber-optics-symbiotic-algae

Mineral crystals in heart cockles’ shells protect symbiotic algae from ultraviolet rays and could lead to innovations in internet infrastructure.