Freediver Mike Wells has relived his perilous swim through a 120-metre undersea tunnel off the New South Wales north coast – on a single breath. Also The Grassy Key facility conducted a study on dolphins that shows they understand the concept of hidden objects. Simply put, the skill, known as object permanence, is the ability to reason about things that have disappeared. For more under the sea tales head to underwatertimes.com
Listen/Download Jeff Dudas on freediving, dolphins & rings
