Shells could gives us important clues about the health of our oceans.
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Seashells: They’re beautiful remnants to carry home from the beach—and so much more! According to environmental journalist Cynthia Barnett, seashells record history more accurately than the humans who first wrote it down.
In this episode, we talk about the science of seashells, their impact on humankind and the scientist behind a very famous tongue twister.
Check out Cynthia’s book The Sound of the Sea.
Interested in more ocean stories? Email us your question at shortwave@npr.org.
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This episode was produced by Juan Diego Ramirez. It was edited by Rebecca Ramirez. Tyler Jones checked the facts. The audio engineer was Jimmy Keeley.