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>

The science of emotional regulation — and how to do it better

New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor. Join hosts Emily Kwong and Regina Barber for science on a different wavelength. Support public media by joining NPR+ at plus.npr.org. You’ll get perks for over 25 NPR podcasts, including sponsor-free listening for Short Wave.