Coral reefs are increasingly under threat from global heating, but some species appear to be resistant to warmer sea temperatures. How can scientists harness these findings and revive these important pieces of marine life? Alok Jha hosts. For full access to The Economist’s print, digital and audio editions subscribe at economist.com/podcastoffer and sign up for our weekly science newsletter at economist.com/simplyscience. Additional audio courtesy of the Acoustical Society of America and the U.S. Naval Undersea Warfare Center Newport. See acast.com/privacy for privacy and opt-out information.