Walking Again

Renewing DAN membership is a once-click process, but one member let lapse accidentally. It wasn’t until an emergency evacuation and 10 much-needed hyperbaric treatments did they realize the true power of DAN membership.

A man watches his friend as he receives hyperbaric treatments

The Google Garden

The sculpture garden at Google headquarters in Mountain View, Calif. is full of busts of historical dive pioneers. Learn more about this Google garden.

A toddler, held by their father, pokes the nose of a giant stone bust

The Great Charade

Tiny shrimp camouflage themselves to avoid being eaten by predators. But some shrimp take this mimicry to a new level. Read more about mimic shrimp.

A very tiny rubble mimic shrimp lies in a bed of gravel

Improving Cardiovascular Endurance

Cardiovascular fitness can be improved by the FITT principles. From frequency to timing, techniques you can boost your health and your endurance. Learn more about FITT and cardiovascular health with these tips.

Southern California Rig Diving

Southern California rig diving is exquisite and reiterates that sometimes the best diving is found in the unlikeliest places. Learn more about this diving in California.

An ocean rig on a clear afternoon

Sidemount — Not Just for Cave Divers Anymore

Sidemount gear configuration creates a lower profile in the water enabling people to explore new environments easier. Sidemount is no longer considered something exclusive to tech divers and is moving into the recreational dive space.

Cave diver with side-mounted tanks swims through a narrow passage

The Validation of Dive Computer Decompression Safety

How do you determine what’s safe and what’s not? Dive computers have mostly replaced the common usage of decompression tables in rec diving. However, there is a lack of hard data on the validation of decompression safety. Read more.

Female diver looks at dive computer attached to left wrist

Don’t Assume

Self-diagnosis can lead to delays in the medical care you need. Never assume — and be sure to contact DAN.

Tanks stand on the dock of a boat and man prepares wetsuit in background

Field Management of Heat Illness and Hypothermia

Managing a patient’s heat illness or hypothermia can be tricky — do you know what to do? Learn the field management practices of these two conditions to ensure a patient remains stable.

Very sweaty man sits down on boat and is holding a sports drink. A man next to him is kneeling and using lime-green fins to fan the sweaty man