"What is it like to be a dog? A bat? Or a dolphin? To find out, neuroscientist Gregory Berns and his team began with a radical step: they taught dogs to go into an MRI scanner-completely awake. They discovered what makes dogs individuals with varying capacities for self-control, different value systems, and a complex understanding of human speech. And dogs were just the beginning. In What It's Like to Be a Dog, Berns explores the fascinating inner...