Recorded on 1 July for release on 6 July 2021. Joanne and Jeff talked with marine biologist & author Helen Scales about her new book, The Brilliant Abyss : Exploring the Majestic Hidden Life of the Deep Ocean and the Looming Threat that Imperils It. Like “Read Science!” on Facebook to hear about upcoming programs, easy links to the archive, and news about RS! guests: https://www.facebook.com/ReadScience/.