Seashells: They're beautiful remnants to carry home from the beach—and so much more! According to environmental journalist <a href="https://www.cynthiabarnett.net/"target="_blank" >Cynthia Barnett</a>, 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 <a href="https://www.cynthiabarnett.net/shop/p/the-sound-of-the-sea-hardcover"target="_blank" >The Sound of the Sea</a> and check out Emily’s <a href="https://lnk.to/YmA2sk"target="_blank" >reporting on sandcastles</a>. Interested in more marine biology stories? Email us your question at <a href="mailto:shortwave@npr.org"target="_blank" >shortwave@npr.org</a>. Support public media with NPR+ and enjoy perks for over 25 podcasts like this one. This show’s hperks include sponsor-free listening. Learn more at <a href="http://plus.npr.org"target="_blank" >plus.npr.org</a>.  See <a href="https://pcm.adswizz.com">pcm.adswizz.com</a> for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences. <a href="https://www.npr.org/about-npr/179878450/privacy-policy">NPR Privacy Policy</a>

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What can seashells teach us about the health of our oceans?

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