Photo courtesy of SJ Alice Bennett. Intro: So there you are, 40 minutes into a cave dive, currently at 100ft/30m. You check your computer, and i...

My dive computer said the 20ft stop was supposed to take 4 minutes, but it actually took 10 minutes to clear. What went wrong? The answer is almost always that a more oxygen rich gas was enabled (turned on), but never actually used on the dive.

“I can’t breathe!”. Bill was a middle-aged man with a history of high blood pressure who was enjoying a wreck dive off the Northeast United States...

It doesn’t matter what level of diver you are or the experience you have. In the end, we’re all humans and as humans we make mistakes. It’s also i...

'Plan the dive' and 'dive the plan' has long been the mantra employed in all areas of diving. For many recreational divers, dive planning has become a lost art, but technical divers still place a large emphasis on the value of dive planning.

I've seen so many divers wanting to go further or deeper but they had something stopping them.

Antimicrobial Peptides from Sea Urchins in the Twilight Zone of Bahía Banderas México Image by Juan D. Cortes The overuse of antibiotics in the ...

“Change is inevitable. Change is constant.” Benjamin Disraeli — 19th Century British Statesman There’s a vintage TV comedy sketch by Monty Python...

I’ve been asked in private communication if I would use 40/70 for all of my technical diving. I thought it might be worthwhile for me to talk about journey.