Silence Beneath a White Ceiling
Researchers test to see how rebreathers function in arctic environments. Read how a team of researchers aimed to explore this little-known subject.
Alert Diver Issue: Q4 2017
Are 6351-T6 Alloy Scuba Cylinders Safe to Use?
After the rupturing of two alloy scuba cylinders, many wonder if they are safe to use? While cracking was documented in these cylinders, a major issue with their use is lack of consistent training and regulation in the testers, inspectors and fill-station operators.
Diving After Bariatric Surgery
DAN medical information specialists and researchers answer your questions about dive medicine.
Clipperton: A Plastic Paradise
A little dot in the Pacific, Clipperton is surrounded by coral reefs and encloses a stagnant lagoon. Despite looking like paradise, Clipperton is being invaded by plastic.
Introducing Battle Ropes
Slam them, shake them, jump over them. The options are pretty limitless when it comes to battle ropes. They are a dynamic piece of fitness equipment.
Nature’s Best and Fastest Camouflage
Do you know which marine animal can camouflage the fastest and most effectively? (It can change in one fifth of a second!) Hint: It has eight long tentacles.
Diving and Hepatitis C
Can an individual with hepatitis C dive? Our experts answered questions pertaining to the condition.
Alaska’s Prince William Sound
Why would you want to dive Alaska’s Prince William Sound? One major draw is the yearly migration of the region’s salmon sharks that feast on spawning pink salmon.
An Unexpected Earplug
Ear barotrauma (pressure-related injury) usually occurs in divers’ middle ears, often as a result of congestion. In this unusual case, however, a diver experienced ear barotrauma that resulted from accumulation of ear wax in his ear canal.
Salmon Sharks
Why would you want to dive Alaska’s Prince William Sound? One major draw is the yearly migration of the region’s salmon sharks that feast on spawning pink salmon.
