Readiness Made the Difference
In a behind-the-scenes emergency at the National Aquarium in Baltimore, Maryland, two trained responders faced a critical moment that tested their skills and composure.
Alert Diver Issue: Q4 2025
Echoes in the Cold
Ancient beyond description and giant beyond comparison, Lake Superior’s cold and secretive depths hide a multitude of ships that prematurely ended their careers. The largest and farthest north of all the Great Lakes, Lake Superior is in a class by itself when it comes to preserving shipwrecks.
Beneath the Fin
Sharks are among the ocean’s oldest survivors. They have cruised through Earth’s seas for more than 450 million years — long before the first trees grew or Saturn formed its rings.
Hydro Training
Joint stability and core strength can significantly impact your dive experience, especially when there is current or you are entering or exiting the water in full gear. One way to improve joint stability and core strength is to incorporate water into almost any traditional exercise that uses a bar or dumbbells. The basic premise is that moving water forces your body to use more stability. You can purchase hydro training equipment or make your own.
Wobbegong Shark
While photographing the wrecks throughout the day, I noticed a few wobbegong sharks, but they were difficult to photograph as they rested under ledges or in sheltered spots.
Discovery of the Dunraven
Wreck diving became the rage of dive tourism in the wake of the 1977 blockbuster movie The Deep.
Composite Scuba Cylinders
Composite, fiber-wound cylinders are making their way back into diving in rebreathers and other advanced scuba gear. The weight and lifespan benefits of these cylinders are attempting to challenge their previous cost barrier.
Put Peace of Mind on Your Packing List
When we pack for a trip, our minds are usually filled with checklists that include passports, boarding passes, medications, and an extra phone charger. We rarely consider if we are […]
The Business of Protecting Paradise
Our oceans are under siege. Destructive industrial-scale fishing is causing widespread species decline. Ocean warming due to human-induced climate change is triggering episodes of mass coral bleaching with increased vigor and frequency.
Honoring DAN First Aid Providers
DAN’s first aid courses are designed to provide divers with the knowledge, skills, and confidence to respond in emergencies.
