This week we are very happy to be presenting our interview with Dr Jonathan Balcombe.Jonathan Balcombe is the director of animal sentience at the Humane Society Institute for Science and Policy and the author of a number of books, including Second Nature, Pleasurable Kingdom, and the newly released What a Fish Knows. Balcombe has three biology degrees, including a PhD in ethology from the University of Tennessee, where he studied communication in bats. A popular commentator, he has appeared on Fresh Air with Terry Gross, the BBC, and the National Geographic Channel, and in several documentaries, and has contributed features and opinions to The New York Times, The Washington Post, The Wall Street Journal, Nature, and other publications. He lives in Florida. Find him on Facebook, follow him on Twitter at @Jonathanpb1959, and visit his website at www.jonathan-balcombe.com