The Biggest Question: Nature, Nurture or Both...

Hear from filmmakers Tim Wardle and Becky Read about the process of investigating the compelling story behind Three Identical Strangers in a special bonus episode.To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit ...  Show more

Sanjay dives into the fraught history of domestic adoption in the United States. First, he'll speak with adoption historian Dr. E. Wayne Carp to get some context and hear about the role that secrecy has played in American adoption practices. Then, writer Rene Denfeld shares her h ...  Show more

Were you born a blank canvas, or do your genes predetermine who you will become? Chels and Jace discuss how our childhood (good or bad) affects us, why this is a ongoing debate, & maybe, just maybe, we will learn a thing or two about identical & fraternal twins!?

Sam Harris speaks with Siddhartha Mukherjee about the human desire to understand and manipulate heredity, the genius of Gregor Mendel, the ethics of altering our genes, the future of genetic medicine, patent issues in genetic research, controversies about race and intelligence, a ...  Show more

Sam Harris speaks with Robert Plomin about the role that DNA plays in determining who we are. They discuss the birth of behavioral genetics, the taboo around studying the influence of genes on human psychology, controversies surrounding the topic of group differences, the first l ...  Show more