Modern free diving is a sport in which divers, in a single held breath, descend hundreds of feet, into cold and darkness; they often pass out before they return. It is frequently described as the world’s second most dangerous sport, after jumping off skyscrapers with parachutes.

This TV special explores the sport, the science, the dangers and the exhilarations of free diving.

Based on an article by Michael Shapiro.

Read Article