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Diving Into an Ocean Climate action plan
September 14th, 2022
Even if we solve all our other problems, we might still see the collapse of our living seas due to climate change alone. A warmer, more acidic ocean holds less dissolved oxygen, which is fine if you’... Read More
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The Edge of Extinction
September 12th, 2022
Sea otters are much more than just another pretty face. They are known as an indicator or sentinel species because what happens to sea otters reveals much about the conditions of the nearshore ocean w... Read More
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Freediving: Seeking and Finding Our Limits
August 24th, 2022
I thought the freediving certification would simply teach me how to hold my breath for an impressive amount of time. But it was so much more than that, providing an invaluable lesson in the chemistry ... Read More
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Preserving History: Leslie Leaney
August 24th, 2022
Why I’m a DAN Member:
My friends have always had my back during my adventures. DAN has had that covered, along with my left, right, and front. I’ve always had DAN as a traveling companion. Leaney has ... Read More
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When History Seemingly Repeats Itself: DIADEMA SEA URCHIN LOSS
August 24th, 2022
Scientists are currently working to determine the cause of death for this mortality event by examining tissue samples of healthy or diseased Diadema in collections from Grenada to Florida and Mexico t... Read More
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Diving With My Dad
August 24th, 2022
My dad had started scuba diving 30 years earlier when he joined the Merchant Marine. He traveled the world on merchant ships, which allowed him to dive in many distant port cities. Later, he and his d... Read More
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Shooter: David Doubilet
August 22nd, 2022
Film was always the “big casino,” especially the way we shoot at National Geographic. We’d shoot and shoot and shoot, and then send the unprocessed film to Washington to be processed, only to have an ... Read More
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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
Categories
2024
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2023
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March
Demo DiversCape Marine Research and Diver DevelopmentKaboom!....The Big Oxygen Safety IssueTerrific Freedive Mode“LIGHTS, Film, Action!”Scuba Nudi ClothingDive into Freedive InstructionThe Benefits of Being BaldThe Inhaca Ocean Alliance.Special Forces DiverToughing It Out Is DangerousWhat Dive Computers Don\'t Know | PART 2
April
July
August
September
Avoid Diving With EarplugsKwaZulu Natal shipwrecks: The ProduceDive in the Fast Lane with DPVsLearning from Success. Learning from MistakeLiability in ContextUnderwater Crime Scene InvestigatorsTravel Smarter: Personal Safety While TravelingDive Boat Etiquette – From Yachts to rubber ducksThe Parting ShotMismatched Scuba Valves to Cylinder OutletsPredive Warm-UpWeight loss for diversTara Panton's Cape NudibranchsRESEARCHER PROFILE: Petar Denoble: Solving practical issues for diversMonitoring Cardiac Health in Scuba Divers
October
2022
January
February
UNCERTAINTY AFTER DIVING: Case Report and Recommendations #1.UNCERTAINTY AFTER DIVING: Case Report and Recommendations #2UNCERTAINTY AFTER DIVING: Case Report and Recommendations #3UNCERTAINTY AFTER DIVING: Case Report and Recommendations #4DIVERS LOSING ACCESS TO EMERGENCY CAREPreventing Breathing gas Contamination
March
When Should the Rescue Begin?Celebrating Young and Old in Turks and CaicosScuba Cylinder RundownChasing WeedsUnderwater Smartphone PhotographyAir and a SpareUnderwater Photographer: Fred BuyleBuilding Better BalanceLow-Visibility DivingMore Than a Sore ShoulderNot Only for DivingLaryngospasm and AnxietyPulmonary Hypertension and DivingTitan Meets Titanic