Diving
Who Pays When a Dive Goes Wrong Far From Home
Diving emergencies far from shore involve costly medical evacuations and coordination. Here is how that response is actually funded and organised, and who calls the shots.
Jun 25, 2026
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60 stories for“medical AI”
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Diving
Fitness to Dive: Why the Medical Form Is Not a Formality
PFO, asthma, diabetes and certain medications can all change whether diving is safe. Here is why the medical questionnaire before a course matters.
Jan 27, 2025
Diving
Hyperbaric Chambers: How Recompression Treatment Works
When a diver surfaces with decompression sickness, a hyperbaric chamber is the only real fix. Here is how recompression works, and where chambers actually are.
Nov 18, 2024
Diving
What Divers Alert Network Membership Actually Covers
DAN is a name every diver knows, but membership and dive accident insurance are not the same thing. Here is what each one actually buys you.
Jun 30, 2025
Diving
How Competitive Freediving Made Itself Safer, Metre by Metre
Safety divers, counterballast lines and strict medical protocol turned a high risk sport into one of the most closely supervised in the water.
Mar 11, 2025
Diving
Decompression Sickness: What Happens in the Body, and Treatment
Divers call it the bends. Doctors call it decompression sickness. Here is what nitrogen bubbles actually do to tissue, and how hyperbaric treatment reverses it.
Feb 14, 2024
Diving
Is Scuba Diving Safe? A Beginner's Honest Answer
Scuba has real hazards, but recreational diving within training and conditions is a managed-risk activity, not the extreme gamble suggested by rare accident headlines.
Jul 25, 2026
Diving
Lung Squeeze: The Freediving Injury That Comes From Trying Too Hard
Coughing pink after a deep dive is not something to shrug off. Squeeze happens when tissue cannot keep up with pressure, and the usual causes are tension, forcing equalisation and pushing depth too fast.
Aug 13, 2026
Diving
What DAN's Diving Fatality Data Actually Shows
DAN's annual diving reports track how divers die each year, and the leading cause is rarely the dramatic equipment failure popular imagination assumes it to be.
Jun 19, 2026
Diving
DAN's Safety Guidance, Condensed: What the Research Body Actually Recommends
Divers Alert Network is not a training agency and issues no certifications. It collects the injury data, then publishes guidance based on it. Here is that guidance, in the order it matters.
Aug 12, 2026
Diving
Air Versus Mixed Gas Below 50 Metres, Explained
Below 50 metres, ordinary air becomes a liability for divers. Here is the physics behind nitrogen narcosis, rising gas density, and why trimix exists as the technical diving standard.
Jun 8, 2026
Diving
The Sting Will Not Kill You, and the Wrong First Aid Might Still Ruin the Trip
Lionfish, stonefish, stingrays and most jellyfish deliver venoms that heat breaks down. The standard measure is immersion in fresh water as hot as you can stand without burning, capped at 45 degrees, for thirty to ninety minutes.
Sep 2, 2026
Diving
Can You Get the Bends From Freediving? Yes, and Here Is How
The old assumption was that one breath cannot load enough nitrogen to matter. Repetitive deep dives with short surface intervals disprove it, and the divers it happens to are usually working, not competing.
Aug 12, 2026
Diving
Tubbataha Is the Dive Trip You Plan a Year Ahead
The Philippines' remote World Heritage reef rewards careful planning with walls, sharks, turtles and a conservation model built around a short liveaboard season.
Jul 25, 2026
Diving
Aqaba Is Building a September Meeting Point for the Middle East's Blue Economy
Aqaba Blue: Ocean Future in Action runs September 9-12 with diving, conservation, marine technology and tourism. Its value will depend on turning networking into regional practice.
Aug 2, 2026
Diving
What Freediving Actually Is: Every Discipline Explained
CWT, CNF, FIM, STA, DYN: a plain guide to how competitive freediving is actually judged, discipline by discipline, and why the letters matter more than the depth alone.
Feb 14, 2024
Diving
Solo Diving Is Either Reckless or Honest, Depending on What You Think a Buddy Actually Does
Two agencies now certify divers to dive alone, with redundant gas and a long list of prerequisites. The case for it rests on an uncomfortable observation about how often the buddy system already fails in practice.
Sep 5, 2026
Diving
Static Apnea: How People Hold Their Breath for Eleven Minutes
The records look impossible until you learn what the body does when the face hits cold water. Most of the gain is physiological adaptation and relaxation, not lung size, and one record category is not comparable to the others.
Aug 11, 2026
Diving
The Ear Problem Nobody Teaches You Is the One That Happens on the Way Up
Descent equalisation is drilled into every open water student. Reverse block, where expanding gas cannot escape the middle ear or sinus on ascent, gets a sentence in the manual and is considerably harder to manage.
Sep 5, 2026
