I Didn’t See That Coming
MY HUSBAND, BARRY, AND I got our dive certifications in Cozumel, Mexico, in 1994, and since then it has been one of our favorite destinations. We spent three weeks diving […]
THE OFFICIAL MAGAZINE OF DIVERS ALERT NETWORK
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River Diving
MANY DIVERS AND NONDIVERS ALIKE envision the ideal scuba dive as a coral reef in warm, clear water surrounded by a myriad of beautiful fish. River diving, on the other […]
Oskar Frånberg
OSKAR FRANBERG LEADS THE RESEARCH GROUP in marine systems engineering at the Blekinge Institute of Technology in Karlskrona, Sweden, and is managing director of the Swedish National Underwater Technology Center. […]
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Low Platelet Count and Diving
© ISTOCK/ MPHILLIOS007 Q: I have been diagnosed with low platelets. Is it OK to dive? Before you dive, you and your doctor should consider some possible effects of having a […]
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 […]
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 […]
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
Discover Jennifer Hayes, the photographer whose partnership with David Doubilet captures stunning underwater worlds for National Geographic.
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