Dolphins are one of the smartest animal species on Earth. In fact, their encephalization quotient (their brain size compared to the average for their body size) is second only to humans. But exactly how smart are they? Lori Marino details some incredible facts about dolphins. [Directed by Michael Kalopaidis, Zedem Media, narrated by Addison Ande...

Lori Marino is a neuroscientist and expert in animal behavior and intelligence, formerly on the faculty of Emory University, where she taught for twenty years. She is president of the Whale Sanctuary Project, whose mission is to create the first seaside sanctuaries for captive orcas and beluga whales in North America, and executive director of T...