Vox's Benji Jones talks with author and environmental journalist Cynthia Barnett about seashells and her new book, The Sound of the Sea. They discuss the evolutionary function and human appeal of seashells, the surprising role shells played in ancient trade and commerce, and how climate change threatens the creatures that call them home. Host: Benji Jones (@BenjiSJones), Environmental reporter, Vox Guest: Cynthia Barnett (@cynthiabarnett), author References:  “Seashells changed the world. Now they’re teaching us about the future of the oceans” by Benji Jones (Vox; Jul. 10) The Sound of the Sea: Seashells and the Fate of the Oceans by Cynthia Barnett (W.W. Norton; 2021) The Bailey-Matthews National Shell Museum (Sanibel Island, FL) Evolution & Escalation: An Ecological History of Life by Geerat J. Vermeij (Princeton; 1993) Cowrie Shells and Cowrie Money: A Global History by Bin Yang (Routledge; 2020) Scallops in motion (YouTube) Enjoyed this episode? Rate Vox Conversations ⭐⭐⭐⭐⭐ and leave a review on Apple Podcasts. Subscribe for free. Be the first to hear the next episode of Vox Conversations by subscribing in your favorite podcast app. Support Vox Conversations by making a financial contribution to Vox! bit.ly/givepodcasts This episode was made by:  Producer: Erikk Geannikis Editor: Amy Drozdowska VP, Vox Audio: Liz Kelly Nelson Learn more about your ad choices. Visit podcastchoices.com/adchoices