Diving
Oxygen Toxicity: The CNS Risk Behind Technical Gas Choices
Oxygen keeps divers alive, until pressure turns it toxic. Here is why central nervous system oxygen toxicity shapes every gas decision in technical diving.
Sep 10, 2024
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11 stories for“technical diving physiology”
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
Dive Computers and Algorithms: What They Cannot Know About You
A dive computer tracks pressure and time with precision, but the model behind it cannot see the diver wearing it. Here is what that gap actually means.
Mar 19, 2026
Diving
Inside the DAN Europe Mission That Brought the Maldives Divers Home
Finnish cave specialists, Maldivian coast guard divers and DAN Europe medics carried out a coordinated recovery after the Vaavu Atoll cave tragedy.
May 22, 2026
Diving
Nitrogen Narcosis: What Depth Does to a Diver's Judgment
Nitrogen narcosis dulls judgment before a diver notices anything is wrong. Here is why depth impairs decision making, and why self-diagnosis often fails.
May 22, 2024
Diving
When Scientists Dive, Credentials Do Not Remove the Risk
Research divers work under formal scientific diving safety standards, but a marine science background does not make deep or technical diving inherently safer to attempt.
Jun 14, 2026
Diving
PADI, Explained Properly: What the Standards Require and What They Do Not
The world's largest training agency is also the most argued about. Setting the snobbery aside, here is what a PADI course actually mandates, where the flexibility sits, and what the card does not cover.
Aug 12, 2026
Diving
The Rescuer Who Did Not Surface: Remembering Mohamed Mahudhee
MNDF Sergeant Major Mohamed Mahudhee died searching a Maldives cave for five missing divers. His death shows the risk that recovery divers accept on behalf of strangers.
May 24, 2026
Diving
NAUI: The Agency That Lets the Instructor Decide
Older than PADI, structured as a non-profit membership association, and built on a principle almost nobody else uses: the instructor may exceed the standards, and is expected to.
Aug 12, 2026
Diving
Mohamed Mahudhee and the Duty Carried by Maldives Rescue Divers
One Maldivian military diver died in the Vaavu Atoll mission. His service deserves gratitude, while the unanswered questions surrounding his death still demand scrutiny.
Jul 25, 2026
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
