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Vox's Benji Jones talks with marine biologist Hanna Koch about her team's efforts to repopulate the planet's coral reefs through cutting-edge scientific intervention. They discuss what makes coral so unique as organisms, how scientists understand their reproductive behavior, and how they are working to respawn corals and repopulate reefs. Hanna explains why this work is so imperative — not just for the diverse array of marine life that coral reefs are home to, but for the sustainability of human communities, as well. Host: Benji Jones (@BenjiSJones), Environmental reporter, Vox Guest: Hanna Koch (@DrHannaRKoch1), Marine biologist; postdoctoral research fellow, Coral Reef Restoration Program, Mote Marine Laboratory References:  "How to resurrect a coral reef" by Benji Jones (Vox; Apr. 22) "Restored Corals Spawn Hope for Reefs Worldwide" by Hanna R. Koch, Erinn Muller, & Michael P. Crosby (The Scientist; Feb. 1, 2021) "Herbivorous Crabs Reverse the Seaweed Dilemma on Coral Reefs" by A. Jason Spadaro & Mark Butler (Current Biology 31 (4); Feb. 22, 2021) 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 Engineer: Patrick Boyd Deputy Editorial Director, Vox Talk: Amber Hall Learn more about your ad choices. Visit podcastchoices.com/adchoices