A Snail’s Tale

AN EDIBLE, SLOW-MOVING ANIMAL that lives in clear, shallow waters doesn’t have a high chance of survival these days. Conchs, specifically queen conchs, used to be widespread throughout the Florida Keys and the Caribbean.

An Unconscious Ascent

WHILE DESCENDING ON OUR SECOND DIVE, I was at around 60 feet when I unexpectedly started ascending rapidly to the surface.

Underwater Crime Scene Investigators

THROUGHOUT HISTORY, CRIMINALS HAVE LOOKED TO BODIES of water as safe places to dispose of and forever hide evidence of their crimes.

Bipolar Disorder and Diving

YOUR QUESTIONS ANSWERED about Bipolar Disorder and diving, immersion pulmonary edema, and pain in teeth when diving.

Safety Equipment: A Necessity Even in Paradise

AS DIVERS, WE MUST take extra steps in our predive checks to ensure that our buddy has their safety and signaling equipment so we can be prepared in case of an emergency.

Petar Denoble: Solving Practical Issues for Divers

PETAR DENOBLE, MD, D.SC., HAS DEDICATED HIS CAREER to exploring and solving practical issues in dive medicine.

Avoid Diving with Earplugs

A TOPIC THAT COMES UP FREQUENTLY when discussing dive safety is the use of earplugs. Are they safe to use while diving? Does DAN have any recommendations?

Remaining Calm When out of Air

PROPER OUT-OF-AIR TRAINING and practice are important so a situation like this will not be the first time a diver is exposed to it.

Mismatched Scuba Valves to Cylinder Outlets

A VALVE-TO-CYLINDER MISMATCH recently resulted in a deadly outcome in Europe. This issue is preventable with formal, function-specific training and a basic understanding of scuba tank valves and cylinder threads.

A VALVE-TO-CYLINDER MISMATCH mismatch is preventable with formal, function-specific training and a basic understanding of scuba tank valves and cylinder threads.

 Ningaloo Reef

AN OTHERWORDLY LANDSCAPE lies on the western coast of Australia, where the red outback meets the iridescent blue of the Indian Ocean. This magical place is the Ningaloo Reef, or Nyinggulu in the local Aboriginal language.