Prepared to Act

Pure oxygen can save a person’s life when administered correctly — but oxygen administration is a skill not everyone has. Learn more.

Boat named Dread Knot docked

Cenderawasih Bay

Recognizing the bay’s significance, in 2002 the provincial government and Conservation International established Taman Nasional Teluk Cenderawasih (Cenderawasih Bay National Park) as a marine protected area, the biggest in Indonesia.

A happy whale shark, with its mouth open, swims toward a diver

Sea Lion Bite

Although uncommon, unprovoked sea lion bites can occur, and divers should be aware of the potential hazard. Learn more about how one diver received a bite and how the wound was treated.

A sea lion swims with its mouth open

My Journey to Dive All 50 States

It was an ambitious goal, but one diver dove in all 50 states. It took over four years, but adventures had, memories made and lessons learned were worth it.

Diver Jennifer Idol wears her scuba suit and holds a camera

Shooter: Zena Holloway

Zena Holloway has evolved into one of the world’s top commercial underwater photographers in a circuitous and nontraditional fashion. Today she is one of the most creative and in-demand producers of underwater fantasy images in both stills and video. Her client list includes Nike, Speedo, Umbro, Sony, Jacuzzi as well as publications such as GQ, Observer Magazine and How To Spend It.

Zena Holloway (center) holds a baby in her right arm and a toddler in her left arm. All three are submerged underwater.

Defensive Dive Profile Planning

Decompression safety may be achieved by staying within dive computer or dive table limits, but decompression sickness (DCS) can develop even after dives that remain within prescribed limits. This article will discuss concepts important for conservative practices, some of the pitfalls that must be overcome, and practical strategies for defensive dive-profile planning and implementation.

Two divers swim up to corals

A Different Light

LED lighting can be used successfully for underwater still photography thanks to advancements in technology. Learn how to harness the power of LED lighting for great images.

Purple spanish shawl nudibranch

Sunscreen Pollution

While helpful for humans, sunscreen is detrimental to corals and underwater environments.

Person squirts sunscreen into palm

A Perfect Storm of Warm

Thanks to warming ocean temperatures, animal encounters have changed and increased. Read about the unique sea creatures divers are interacting with.

Magnificent hammerhead shark says hello to photographer

Twenty-Two Ancient Shipwrecks Found in Greece

On Greece’s coast, ancient shipwrecks were found dating back to Roman times. Ancient shipwrecks are a different treasure than simply diving regular shipwrecks.

Artifacts of an old Roman shipwreck