At a seashell museum on Sanibel, an island off southwest Florida, environmental journalist Cynthia Barnett discovered that 90% of the museum’s visitors didn’t know shells were made from living animals. In her new book “The Sound of the Sea: Seashells and the Fate of the Oceans,” Barnett explains the science of how shells are made and their role in the ecosystem of the oceans. And she delves into the long cultural history of seashells which have been used as money, jewelry, tools, instruments, building materials and more. Barnett joins us to discuss the mysteries of seashells and their mollusk makers and what they can teach us about the health of our oceans.
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