There’s been a long running debate as to whether oxygen is a narcotic diving gas. Training agencies CMAS, GUE, PADI and PSAI include O2 in their...
Now that pools are getting busy again for spring and summer training, we thought it fitting for us to take a deep dive into pool chemistry....
How much do you fart during decompression? How about your teammates? It turns out that those may be critical questions if you’re decompressing from a hydrogen...
Isobaric counterdiffusion is one of those geeky, esoteric subjects that some tech programs deem of minor relevance, while others regard it as a distinct operational concern....
Anyone who’s dived to 30 meters on nitrox (we don’t do air here!) is familiar with what Jacques Cousteau eloquently termed “rapture of the deep”—the result...
Just like skeletal muscles, respiratory muscles have a limited ability to respond to respiratory loads, and when they can’t keep up underwater due to increased gas...
Will going “keto” i.e. eating a low-carb, high-fat diet, help you lose weight, boost your endurance and most importantly protect you from CNS oxygen toxicity on...
What is the causal relationship between a patent foramen ovale (PFO) and increased inner-ear decompression sickness? Diver Alert Network’s geeky risk mitigator Reilly Fogarty explains the...
World-recognized decompression physiologist and cave explorer David Doolette explains the new evidence-based findings on “deep stops,” and shares how and why he sets his own gradient...
Do you know the density of your breathing gas at your planned working depth? New research conducted by Gavin Anthony and Simon J. Mitchell suggests that...
