Do you talk to your dog? Does your dog talk back to you? Dr. Doolittle’s dream of talking to the animals is one many of us can share. But what do all of those howls and growls mean and is it really language? This week on the podcast NOVA’s Ari Daniel joins us to explore the communication patterns of three different species: Túngara frogs, Humpback whales and Diana monkeys. And if you listen and still want more...continue to nerd out with NOVA. They're going deep this month with a new program, "NOVA Wonders: What Are Animals Saying?" www.pbs.org/novawonders