Spotlight: Parrotfish Pearly Whites

photo © @ollieclarkphotos The pearly whites of a parrotfish almost look harmless in this close-up, but parrotfish constantly chomp on coral with these incredibly strong teeth. How can they do that without wearing down? A 2018 study astonished researchers, revealing that parrotfish teeth are a woven microstructure that "researchers had never seen before, with the …