The Mammalian Dive Reflex: A Human Body on One Breath
Submersion triggers an ancient reflex that slows the heart, redirects blood, and quietly reshapes what a trained freediver's body can survive underwater.
Sep 18, 2024

Search
60 stories for“buying well”
Submersion triggers an ancient reflex that slows the heart, redirects blood, and quietly reshapes what a trained freediver's body can survive underwater.
Sep 18, 2024

Technical diving instructor Adam Jacoub died on 18 July 2026 following a dive in Hurghada, Egypt. The circumstances remain under investigation.
Jul 20, 2026

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

Three minutes at five metres is drilled into every diver and explained to almost none of them. It is not decompression, it is not required, and skipping it is not the emergency people assume.
Aug 9, 2026

The PROTECT package treats drowning as a systems failure involving childcare, transport, infrastructure, rescue and climate preparation, not a single bad choice.
Jul 23, 2026

Egypt's most famous sinkhole is also its most argued-over dive site. What the Blue Hole actually is, and why so much depends on who is diving it.
May 20, 2024

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

Shark bites made headlines again in 2025. The numbers behind those headlines tell a very different story for the people actually diving with sharks.
Mar 5, 2026
