Testing the Waters

Costantino Balestra, Ph.D., has spent his life coming up with groundbreaking hypotheses in research labs and applying them to the real world. Read more about the researcher, his motivation and projects.

Two divers swim below and there are a lot of bubbles around them.

Anatomy of a Commercial Mixed-Gas Dive

The commercial diving industry adopted mixed-gas technology in the 1960s to overcome the limitations of deep air diving. The industry has an exemplary safety record.

A dry welding chamber is lowered to a repair site for installation.

Foam Rolling

Sore muscles? Soothe tired and aching muscles through foam rolling exercises. This form of self-massage is a great way to boost fitness and heal your body.

A personal trainer is demonstrating the proper technique to foam roll the shins

Heartbroken After DCS

A divemaster hopeful had an unfortunate bout of decompression sickness during a routine dive. But it was through DCS treatment, that the diver discovered she had a heart condition.

A diver swims around an old shipwreck

Keep Your Head

When conditions took an abrupt and unexpected turn during an exotic warm-water dive, our dive leader decided to abort. In these situations, it’s important to stay calm.

In a stock image, a diver swims through a cave. Another diver is in the background

Scuba Diving and Life Expectancy

A lot of research has been done on life expectancy, but does recreational diving make an impact? We asked the experts some burning questions.

A group of divers dawdle on a dock at sunset. A boat is in the background.

Lionfish Stings

Lionfish are fascinating and beautiful creatures, but they can cause serious injuries as well as environmental problems outside their normal range.

lionfish

Painful Swelling on a Pacific Island

After acquiring a severe infection on a remote Pacific island, one diver had to be medically evacuated to Queensland, Australia.

In a stock image, a female snorkeler is surrounded by blue waters

A Day in the Life of an Arctic Cave Diver

Cave diving is hard but doing so in the arctic may be even harder. Read a journal-style entry of what it’s like being a cave diver — physical demands, freezing temperatures, animal encounters, but at least there is hot chocolate.

A diver hovers amid the white limestone walls of Dolinsjö Cave in northern Sweden.