Rapid Ascent, Rapid Response
A diver was having difficulty breathing and had extreme fatigue, numbness and a host of other symptoms. He may have had an arterial gas embolism (AGE). Read more about how a rescuer used his skills to help the diver.
Alert Diver Issue: Q3 2013
Sea Turtles of the World
Sea turtles have been around for millions of years, and underwater photographer Doug Perine has captured images for every living species of sea turtle.
Why Might Diving Make Exercise Seem Easier?
DAN medics and researchers answer your questions about dive medicine.
Dan Orr
Dan Orr has committed his entire career to scuba diving and came to DAN in 1991. Read more about Dan Orr’s career and life.
A Different Kind of Souvenir
Dengue fever is a mosquito-born infection and infection rates are rising in certain parts of the world. A diver unfortunately contracted dengue fever while on a trip.
Great White Scavengers
Great white sharks are the ocean’s largest predatory fish yet not much is known about them. Learn more about a recent study on great white sharks. The study had the researchers rethinking what they previously knew about these sharks.
Shooter: Alex Mustard
Alex Mustard, Ph.D., is among the first prominent underwater photographers to come of age during the digital era. He’s a marine scientist.
The Chamber on Catalina Island
The hyperbaric chamber at Catalina Island has been serving divers for 40 years. The chamber is open 24 hours per day and is one of only two that is dedicated solely to divers. Read more about this nearly all-volunteer crew and facility.
Underwater Video with DSLRs
Digital single-lens reflex cameras (DSLRs) offer excellent video quality for the price and are a useful one-camera travel solution. But divers interested in shooting video should be aware of some compromises and challenges to motion-image capture that exist with DSLRs.
The DAN/Rolex Diver of the Year Award
Learn the winner of the 2013 DAN/Rolex Diver of the Year Award.
