Sustainable Seafood

How well do you fully understand sustainable seafood? Are you familiar with fish farms? Learn more about the changing agriculture industry and the importance of sustainable seafood.

Self-Aware and Prepared

This incident can serve to remind all divers of the importance of self-awareness and having an emergency action plan. It is crucial to be mindful when considering symptoms. Read more.

Man sits in a car wearing oxygen mask

The Many Factors in Decompression Stress

Most personal factors that affect decompression stress can be modified. Divers know their bodies best, so assess your risks with each upcoming dive.

The Endless Summer of Douglas Seifert

Douglas Seifert is an accomplished underwater photographer. Read more about his origin story and how he combined diving with photography.

Douglas Seifert photographs a silky shark in Cuba’s Jardines de la Reina.

Kelp Paddies

Kelp paddies provide food and shelter in a “ready-made” habitat. They are incredibly important aspect in an ocean environment. Read more about kelp paddies.

Seagulls perch on a drifting kelp paddy off Santa Barbara Island during the 2015 El Niño.

Out of the Blue

Your photography will evolve over time and your digital editing techniques should too. Learn some inside tips for Adobe Lightroom.

A diver swims overhead holding a camera

The DAN Board of Directors

Meet the DAN Board of Directors. Their breadth of experience is impressive, and their dedication to scuba diving and safety is abundantly clear.

Seven men and two women pose in DAN headquarters. They are the DAN Board of Directors.

End the U.S. Shark-Fin Trade

Divers should take a stand to end the shark-fin trade. A bipartisan bill before Congress is poised to stop the sale of shark fins in the U.S.

Patent Foramen Ovale and Fitness to Dive

A PFO is a passage in the wall between the right and left atria of the heart that can be found in about 25 percent of adults. Its size and the degree of blood flow through it vary. It can greatly impact diving.

A surgeon prepares to place an occluder in the heart of a patient with a patent foramen ovale (PFO).

Compressors

Do you fully understand the origins of breathing gas? Learn more about the art and science of producing breathing gas.

Man holds an oxygen tank