Antarctic Krill
Imagine a pregnant humpback whale, all 40 tons of her, moving through cold blue water toward a cloud of pink. The cloud is dense enough to have edges and to […]
Alert Diver Issue: Q3 2026
DAN Highlights Partnerships and Education at ADEX 2026
DAN President and CEO Cliff Richardson joined the DAN World – Asia-Pacific team in April at Asia Dive Expo (ADEX) 2026 in Singapore, where DAN served as the show’s official […]
Reef Photography
We recently traveled nearly halfway around the world to photograph some of the planet’s most beautiful coral reefs, and wow, did we get lucky. Our liveaboard was gloriously uncrowded, and […]
Erin Quigley
Hometown: Los Angeles, CaliforniaAge: 67Years Diving: 33Why I’m a DAN Member: I rely on DAN when making critical decisions. I know I can count on DAN’s expertise to provide guidance, […]
Becky Kagan Schott
Perhaps best known for her innovative images of deep wrecks and caves, Becky Kagan Schott has eclectic interests along with the technical diving skills and photographic expertise to bring home […]
Torpedo Rays
A commercial oil field diver using surface-supplied air was inspecting a minor oil leak in a deepwater pipeline at night. As he swam along the line, the surface tender heard […]
Dental Implants and Diving
Q: I recently had an upper molar tooth extracted and threads placed for an implant. I have a dive trip scheduled two weeks after the procedure that installed the threaded […]
CONNECT AND PROTECT
You are invited to make your first dive in one of the world’s major dive spots. One twist, however: This dive is on land at the new Ocean Exploration Center […]
A Timeline of Decompression Stress
Most divers think about decompression in terms of depth, bottom time, ascent rates, and safety stops. But the body experiences a dive as more than just time underwater. Decompression stress […]
Carbon Monoxide Analyzer
I’ve read about carbon monoxide (CO) in scuba breathing gas but wonder if people truly appreciate the real implications of diving with a CO-contaminated scuba tank. It is not only […]
