Dog owners are wild about their dogs. It’s hard to overstate the power and poignancy of this human-canine bond. But what makes dogs so special — and where do they come from?

These are just two of the topics explored in this episode with Greger Larson, University of Oxford evolutionary biologist; Linda Milanesi, executive director of Assistance Dogs of the West; and Clive Wynne, ASU professor of psychology and author of the forthcoming book, Dog is Love.