On this edition of Conversations, Sean Carroll talks with host Dan Skinner about “The Biggest Ideas in the Universe – Space, Time, and Motion.”

On this edition of Conversations, Dr. Michael D. Stein talks with host Dan Skinner about “Me vs. Us – A Health Divided.”

On this edition of Conversations, Ryan T. Higgins talks with host Dan Skinner about his latest book, “Hey, Bruce!”

On this edition of Conversations, Tova Friedman talks with host Dan Skinner about “The Daughter of Auschwitz – My Story of Resilience, Survival and Hope,” which she co-authored with Malcolm Brabant, an award-winning foreign correspondent.

On this edition of Conversations, Deborah Wiles talks with host Dan Skinner about “Bobby – A Story of Robert F. Kennedy.”

On this edition of Conversations, Howard Yaruss talks with host Dan Skinner about “Understandable Economics – Because Understanding Our Economy Is Easier Than You Think and More Important Than You Know.” Yaruss is an economist, professor, attorney, businessman, and activist. He has taught a variety of courses on economics and business, and currently teaches at New York University.

On this edition of Conversations, Amy Sarig King talks with host Dan Skinner about her latest middle grade book, “Attack of the Black Rectangles.” King is the author of the award-winning middle-grade titles “Me and Marvin Gardens,” and “The Year We Fell from Space.” She has also published many critically acclaimed young adult novels under the name A.S. King.

On this edition of Conversations, Randall Munroe talks with host Dan Skinner about “What If? 2 – Additional Serious Scientific Answers to Absurd Hypothetical Questions.” Munroe is the author of the #1 New York Times bestsellers “How To,” “What If?” and “Thing Explainer,” the science question-and-answer blog “What If?,” and the popular web comic “xkcd.”

On this edition of Conversations, Dr. Marisa G. Franco talks with host Dan Skinner about “Platonic – How the Science of Attachment Can Help You Make – and Keep – Friends.” Franco holds a Ph.D. in Counseling Psychology from the University of Maryland and works as a professor there. She delivers talks about connection and belonging all over the country to private companies, universities, and non-profit organizations.

What should a child know before getting a cell phone? On this edition of Conversations, Dr. Catherine Pearlman talks with host Dan Skinner about “First Phone – A Child’s Guide to Digital Responsibility, Safety, and Etiquette.” Pearlman is an author, professor, and licensed clinical social worker who has been working with children and families for more than 25 years.