Mapping the World's Oceans

This week, we chat with journalist Laura Trethewey, author of The Deepest Map: The High-Stakes Race to Chart the World's Oceans, about traveling to the deepest parts of the ocean, sailing on research boats across some of the most remote and roughest seas in the world, and the intrepid deep sea divers and scientists who are racing to map the ocean floors. Learn more about your ad choices. Visit podcastchoices.com/adchoices