Days after completing some technical dives, a diver experienced hearing loss that would not stop. An unexpected diagnosis of inner-ear decompression sickness resulted in time in a hyperbaric chamber. Read more about the incident.
Learning how to equalize ear pressure is part of every diver’s basic open-water training. Alternobaric vertigo (AV) arises from unequal pressure between the two middle ears, usually because the pressures are changing at different rates. Learn more about AV and its prevention.
Photographer Roger Steene shares his story about what got him into photography. Read more of Steene’s story.
The crown-of-thorns starfish is considered one of the most influential invertebrate predators found on Pacific coral reefs. Read more about why this starfish is so important to reef health.
When you establish a digital workflow, you’re better able to organize and access all of your great images. Learn more about an ideal workflow from one photographer.
A World War II-era plane remained either undiscovered or unreported for over 60 years off the California coast. Read more about this incredible wreckage and attempts to track down more information on the plane.
Taking up freediving but have zero clue what gear you need? Freediving gear is designed to simply enhance your breath-hold diving capabilities. Learn more about the right gear.
Reefs smell. No, really! A healthy reef sends out attractive scents attracting a population of reef builders and dwellers. These newcomers are vital to the success of a reef.
Sargassum is highly dynamic and continuously circulates between the Sargasso Sea, Caribbean Sea, Gulf of Mexico and Gulf Stream. The floating sargassum vegetation creates a unique habitat for ocean life. Learn more.
Jon Landau is an avid scuba diver and DAN member. He’s traveled the world for dive destinations, but his favorite will always be the Florida Keys. Read more about Landau.