September 14, 2017 08:43 GMT by cnn.com

Radio Free Orca: A Broadcast for World Peace

In the 1960s, Paul Spong was a young neuroscientist at the University of British Columbia. Then, part of his job was to study orcas (or killer whales) at an aquarium. But Spong quickly understood how badly these highly sentient, intelligent creatures suffered in captivity. So he moved to a remote island six hours north of Vancouver and founded OrcaLab—a scientific outpost committed to studyin...