Panic Leads to Diver Fatality
AS A WILDLIFE OFFICER, I spend countless hours on the water. As an instructor for the National Association of Underwater Instructors (NAUI), I have also spent a lot of time […]
THE OFFICIAL MAGAZINE OF DIVERS ALERT NETWORK
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Children and Diving
MINORS HAVE BEEN DIVING FOR DECADES, but the incidence of scuba diving injuries among them remains poorly studied. As opposed to most other outdoor recreational activities, the main challenge while […]
Shallow-Water Blackout
“DON’T YOU DO IT. END IT CLEAN. Don’t make me come get you,” I’m muttering under my breath as I kick furiously along a lane line, doing my best to […]
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Helium Gas Purity: What Is Pure Enough?
THE THREE GASES GENERALLY used in recreational and technical diving are oxygen, nitrogen, and helium. Nitrogen is the most abundant and is usually the default gas, but no one seems […]
Jennifer Hayes
READERS WILL KNOW THE BYLINE “David Doubilet and Jennifer Hayes” from scores of National Geographic magazine features. Working as a team they have photographed the wild ocean from the tropics […]
Underwater Photography with Compact Cameras
MANY DIVERS DON’T WANT TO TAKE LARGE digital single-lens reflex (DSLR) housings or expensive mirrorless cameras on their dives. Their goal is to capture memories to show their family or […]
Dive Knives and Cutting Devices
THE DIVE KNIFE IS AN ICONIC PART OF A SCUBA DIVER’S GEAR. Since the inception of diving as a recreational activity, the dive knife’s presence in a diver’s equipment has […]
To Eat or Not To Eat Fish
SEAFOOD HAS LONG BEEN AN INTEGRAL PART of the human diet, and some people consider it to be an inexhaustible food source. Fish-finding sonar, satellite locating systems, 100-mile-plus longlines with […]
Brooding Anemones
UPON SURFACING, I heard a fellow diver ask, “How cute are those brooding anemones?” This observation piqued my interest because I’d never heard of this behavior despite a lifetime of […]
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