I Dive 207 Feet Under Ice with No Oxygen Tank for Fun. The Key to Survival Isn't ... The athlete shares the key to surviving swims in such extreme wintery conditions without an oxygen tank, ...

Consider the following case: You have a tank with pure oxygen (and no nitrogen) and you dive to a depth of 10 meters. In order to actually breathe from a scuba regulator, the pressure delivered to ...

LIKE THE BACK OF HIS HAND, ADJUSTING HIS OXYGEN TANK, PUTTING ON HIS FINS AND STRAPPING ... I HAVE THIS SKILL OF BEING ABLE TO SCUBA DIVE, SO THAT HELPS ME KEEP IN TOUCH WITH THAT.

As diving technology advances over the years, one thing remains constant: the importance of understanding and managing your ...

For Richard Evans of Sault Ste. Marie, summer means more than sunshine — it means strapping on a wetsuit and diving into ...

Professional diver Andrew Ryzebol tells PEOPLE exclusively of his risky underwater explorations 200 feet beneath uncharted ice with nothing but a mask and fins Ontario Freedivers Remember as a kid ...

There is no way around that." Breath-holding ability, specifically, is a crucial skill needed for free diving since an oxygen tank isn't used, like in scuba diving. "We take a big breath and then ...