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Rebreather Myths
August 22nd, 2022
A set of double steel cylinders like what technical divers commonly use weighs more than 100 pounds, while a CCR is about 50 pounds depending on the model. But that’s not the complete picture. Double ... Read More
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Emergency Oxygen and Oxygen Toxicity
August 10th, 2022
We hear about divers administering oxygen first aid and confusing it with chamber treatment protocols by giving air breaks to the injured diver. Air breaks are unnecessary and inappropriate for a dive... Read More
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Freedive with Psoriatic arthritis
August 10th, 2022
Metotrexate intake could put your student at a further risk for its side effects which includes lung tocixity and myelotoxicity. Hence you need to have your student’s fit to dive necessarily verified... Read More
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Good Air
August 10th, 2022
Experts have discussed whether air in a cylinder can actually “go bad,” but without any data, arguments for or against using the air after a prolonged period are purely speculative. ... Read More
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Stop Smoking!
August 10th, 2022
The benefits of quitting smoking will generally outweigh any side effects or complications from drugs used to help you quit. ... Read More
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Fin Foot or DCS?
August 10th, 2022
If fin straps are too tight or a diver forces his foot into the foot pocket too firmly, a steady mechanical pressure on the blood vessels may result. This is colloquially known as “fin foot.” ... Read More
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Pushing the Envelope: New Research into the Physiology of Deep Rebreather Diving
August 2nd, 2022
Our knowledge of decompression and other physiological aspects of immersion relies heavily on data from a very large number of dives, the vast majority of which is relatively shallow. At depths down t... Read More
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Understanding The Secrets of Deep Freediving: Tips from Three National Record Holders
July 13th, 2022
No one wakes up one day and decides to try for a 100m dive. It’s something that comes with planning, time, and experience, and it’s this experience, that leads to confidence and beautiful sensations w... Read More
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The Joys and Challenges of the Deep
July 8th, 2022
This year the CMAS Freediving Outdoor World Championship was held in Kas, Turkey. It was a great spot because of its marine environment and sea conditions which are very important when making challeng... Read More
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GET BENT!
July 6th, 2022
What have we learned about DCI in the last thirty years? ... Read More
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Freediving Is About To Enter A New Era If Oxama Has Its Say
July 6th, 2022
I didn’t have a dramatic wake-up call underwater, but I began to feel a profound desire to improve underwater safety. At the beginning of 2017, Claudio, Vincenzo, and I were preparing for our next sum... Read More
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And They Dived Happily Ever After
July 6th, 2022
Being a woman in the male-dominated world of diving has its own, separate set of challenges, but they never scared us. We only found that they made us work harder. This is the message we want to bring... Read More
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Four Tips For Staying Warm While Cold Water Diving
July 6th, 2022
The basic question in cold is how to maintain adequate thermal insulation without marked cold or heat strain and with minimal impairment on physical performance. 24-hour energy expenditure is increase... Read More
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Ensuring Safety in Freediving Competitions
July 6th, 2022
Freediving competitions present a significant logistical challenge, and it is typically the safety divers who are in charge of the daily setup and breakdown of the event equipment. This exposes the sa... Read More
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The Secret to Deep Freediving: Tips from 3 Female World Record Holders
July 6th, 2022
When we asked the guys how they felt when they dived to their deepest depths we received answers including “focused”, “deep relaxation”, and “joy.” Many freedivers experience different feelings and em... Read More
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Bonaire Inspires Hope for the Future of Coral
July 3rd, 2022
One quality problem that Bonaire’s coral nurseries have encountered is an excess of coral. “One of the main bottlenecks is outplanting, which is time-consuming and requires a skilled diver,” Virdis sa... Read More
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Blenny Watching 101
July 3rd, 2022
Sweeping schools of snapper and grunts, legions of wrasses, and clouds of plankton-picking chromis greeted us on the reef each morning. But Anna’s sharp eyes, inherently attuned to the obscure, quicky... Read More
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Dive Boat Safety
July 3rd, 2022
All boat operators should follow a checklist for necessary equipment, including having the required items on board and ensuring they are in working order. Some of these should be easy to spot — life j... Read More
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A Little Detail
July 3rd, 2022
How did I end up with the hematoma? It was a coldwater day for a South Floridian, which is why I chose to wear a thicker wetsuit and hood, which are always stiff. When I descended, I performed the usu... Read More
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Unconscious Diver
July 3rd, 2022
Stop and think went out the window, and I acted. I jumped into the water with my damp wetsuit around my waist and swam to the diver, about 20 feet from the boat. My countless rescue exercises came to ... Read More
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Destination Antartica
July 3rd, 2022
The islands and ice are rich with diverse wildlife. You’ll catch stunning views of massive glaciers with aqua blue and teal veins running through them, and the ice’s textures are constantly changing. ... Read More
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Field Neurology for Divers
June 28th, 2022
Diving injuries involving the nervous system, including decompression sickness (DCS), arterial gas embolism (AGE) and ear barotrauma (EBT), are blessedly rare, but when they do happen, these condition... Read More
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Decompression Illness
June 28th, 2022
Decompression illness, or DCI, is associated with a reduction in the ambient pressure surrounding the body. DCI encompasses two diseases, decompression sickness (DCS) and arterial gas embolism (AGE). ... Read More
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What Drowning Really Looks Like
June 28th, 2022
The popular conception of what drowning looks like is not accurate. Unlike this photo, drowning people usually can’t call out for help, and there is very little splashing or waving. Drowning is actual... Read More
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2024
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My name is Rosanne… DAN was there for me?My name is Pam… DAN was there for me?My name is Nadia… DAN was there for me?My name is Morgan… DAN was there for me?My name is Mark… DAN was there for me?My name is Julika… DAN was there for me?My name is James Lewis… DAN was there for me?My name is Jack… DAN was there for me?My name is Mrs. Du Toit… DAN was there for me?My name is Sean… DAN was there for me?My name is Clayton… DAN was there for me?My name is Claire… DAN was there for me?My name is Lauren… DAN was there for me?My name is Amos… DAN was there for me?My name is Kelly… DAN was there for me?Get to Know DAN Instructor: Mauro JijeGet to know DAN Instructor: JP BarnardGet to know DAN Instructor: Sinda da GraçaGet to know DAN instructor Trainer: Christo van JaarsveldGet to know DAN instructor: Gregory DriesselGet to Know DAN Instructor: Beto Vambiane
November
Get to know DAN Instructor: Dylan BowlesGet to know DAN instructor: Ryan CapazorioGet to know DAN Instructor: Tyrone LubbeGet to know DAN Instructor Trainer: Christo van JaarsveldGet to know DAN Instructor: Caitlyn MonahanSafety AngelsDiving With A PFODiving Anilao with Adam SokolskiScience Saves SharksUnderwater NavigationUnderstanding Dive Equipment Regulations
2023
January
March
Terrific Freedive ModeKaboom!....The Big Oxygen Safety IssueScuba Nudi ClothingThe Benefits of Being BaldDive into Freedive InstructionCape Marine Research and Diver DevelopmentThe Inhaca Ocean Alliance.“LIGHTS, Film, Action!”Demo DiversSpecial Forces DiverWhat Dive Computers Don\'t Know | PART 2Toughing It Out Is Dangerous
April
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September
Mismatched Scuba Valves to Cylinder OutletsUnderwater Crime Scene InvestigatorsDive Boat Etiquette – From Yachts to rubber ducksTravel Smarter: Personal Safety While TravelingLiability in ContextLearning from Success. Learning from MistakeDive in the Fast Lane with DPVsKwaZulu Natal shipwrecks: The ProduceAvoid Diving With EarplugsThe Parting Shot