Group Fitness at the Pool

Group fitness classes are appealing to many — but add a little water for a splash of fun! Discover some great pool fitness classes to boost health and performance.

A group of female swimmers swim laps at a pool.

The Good Fortune of San Miguel Island

San Miguel Island is a tough place. It’s tough to get there, tough to stay there and tough to dive there. But, it offers some pretty sites.

A thick fog surrounds San Miguel Island.

Inert Gas Washout

DAN medics and researchers answer your questions about dive medicine.

Four divers pose underwater

Traveling Light

When traveling to dive, consider taking along any of your own gear that’s complex, such as your dive computer, or that enhances your personal comfort or enjoyment, such as your mask or fins.

Masks, tanks, regulators and other rental gear stand by idly waiting for wearers.

Left at Sea

When diving offshore, always carry emergency signaling devices such as a surface marker buoy, signal mirror and emergency strobe.

A group of divers pose in the water. They are holding an emergency signaling device.

Recompression Chamber Safety

Instead of simply listing requirements relevant to the safe recompression of injured recreational divers, DAN identified real, likely hazards, quantified their significance and presented mitigation guidance for each.