Extreme Sport of Free Diving

surfer Jay Moriarty died while free diving in the Indian Ocean. I suspect he's being charitable. (He's held several world marks, and he claims, in practice, to have dived as deep as 558 feet on one lungful of air.) Diving purists criticize Pipin's reliance on a weighted sled to go down and an inflatable balloon to surface. As he descends, amazing things happen to his body: His heart rate slows to just 14 beats a minute. And by under water, I mean deep under water. I try all the diver's tricks to equalize the pressure, including blow