A Tourniquet Saves a Diver’s Life

A recent dive trip changed the lives of everyone involved, and I hope this story might help save another life.  About 30 days before the trip, I was talking to […]

applying a tourniquet

Bikini Atoll

Located in the heart of the Pacific Ocean, Bikini Atoll is a remote and historically significant destination that offers some of the planet’s best wreck diving. The atoll’s stunning natural beauty and rich underwater history make it a diver’s paradise.

A Critical Look at No-Decompression Limits

As a hyperbaric physician and dive instructor, I’ve been around a lot of dive accidents, and I’ve spent decades educating divers and treating decompression sickness (DCS).

dive computer

DCS Mystery

I am a 55-year-old avid diver who made about 300 dives in 2023, most of which were coldwater shore-entry dives near San Diego, California, to below 100 feet (30 meters). […]

California sidegill nudibranch

From Sea to Space

Underwater environments simulate the conditions of space exploration and allow NASA to test equipment, perform research, and prepare for future missions in extreme settings such as the moon or Mars. Being underwater replicates the isolation, confined spaces, and limited resources astronauts experience in space.