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Underwater Photography with Compact Cameras
November 19th, 2023
As in nature photography, perspective and background are crucial in underwater photography. The correct exposure and the right motif are also required. If you photograph a fish’s tail fins only from b... Read More
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Surface Tows Against Current
November 19th, 2023
Divers should always keep their rescue skills fresh, a thorough understanding of the dive site, your and your buddy’s skills and equipment, and a mutually agreed upon dive plan can help prevent the ne... Read More
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To Eat or Not To Eat Fish
November 19th, 2023
While “line-caught” can refer to several methods that don’t use a net, I use the term to differentiate a single line and hook from the longline setup. Many people consider this method more sustainable... Read More
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Travel Smarter: Rental Gear
November 19th, 2023
Whatever equipment you use to dive, you need to know how to operate it before you submerge. If you have your own gear, comfort with it comes naturally over time... Read More
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Diving in Remote Destinations
November 18th, 2023
When it comes to safety, every diver considering a trip to a remote dive destination should consider whether the risk is worth the reward. Take the time to research your options, and maintain high sta... Read More
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Anatomy of a Commercial Mixed-Gas Dive
November 18th, 2023
Soon tech divers may be the only community other than military rebreather divers conducting deep mixed-gas “bounce” (surface-to-surface) dives. The trend in commercial diving (and USN surface-supplied... Read More
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River Diving
November 18th, 2023
Humans tend to be the most dangerous, both in their negligence to personal safety and in the dangers they leave behind. For centuries rivers have been the dumping grounds for trash. Broken bottles, ti... Read More
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Low Platelet count
November 18th, 2023
Decompression injuries add another dimension to bleeding risk, as bubble formation and growth cause microscopic tissue damage through mechanical tissue disruption and normal inflammatory processes.... Read More
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Going Tec.....or maybe not?
November 18th, 2023
This is perhaps the most important question of all – why do you want to go tech? Is it your dream or do you want to impress your friends? Maybe you are a ‘certification collector'? Your motivation to ... Read More
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Are rebreathers suitable for recreational divers? – Part 2
October 21st, 2023
The first advantage we looked at for the technical diver is gas duration. This is also a benefit for recreational divers. They may not be doing such long dives but for many divers their air consumptio... Read More
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Are rebreathers suitable for recreational divers? Part 1
October 21st, 2023
One of the biggest factors that comes into the decision to switch to a rebreather is costs. This has two aspects, the costs of the rebreather, including buying and maintaining it, set against the cost... Read More
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Monitoring Cardiac Health in Scuba Divers
September 27th, 2023
DAN Research’s incident analysis program has shown that approximately one-third of diving fatalities can be traced to a cardiac event, making cardiac-related issues the No. 1 cause of fatalities while... Read More
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RESEARCHER PROFILE: Petar Denoble: Solving practical issues for divers
September 27th, 2023
We need to learn more about what constitutes individual variability. Because nitrogen bubbles have a role in DCS, at least in describing the severity of decompression stress, I would like DAN’s New Bu... Read More
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Tara Panton's Cape Nudibranchs
September 17th, 2023
With the first 25 stickers freshly printed, I excitedly announced to the world that Cape Nudibranchs had been born. To my genuine surprise, the response was overwhelming - they sold like hotcakes! I s... Read More
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Weight loss for divers
September 17th, 2023
Scouting the various diving medicine websites, I was delighted to find a handful of articles that suggest that hyperoxia (high partial pressures of oxygen - ppO2) might, in fact, be beneficial for fat... Read More
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Predive Warm-Up
September 17th, 2023
Before you dive, take a moment to inventory your body. If you were sedentary on the ride out to the dive site your heart rate is probably near resting, so it is not circulating much oxygen to your mus... Read More
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Mismatched Scuba Valves to Cylinder Outlets
September 16th, 2023
While a valve with a M25 thread may initially appear to fit a ¾-inch NPSM cylinder neck, it will necessitate more force to tighten and likely not seal correctly, requiring significant over tightening ... Read More
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The Parting Shot
September 16th, 2023
I definitely tend to favour the smaller, more elusive species with my photography, and spending my dives looking for them makes the whole experience so much more rewarding! ... Read More
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Dive Boat Etiquette – From Yachts to rubber ducks
September 16th, 2023
Many divers, especially the more experienced ones, develop such a symbiosis with their equipment that they tend to forget they are wearing it. This is a recipe for bumps and bruises. All this means ... Read More
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Underwater Crime Scene Investigators
September 16th, 2023
With advancements in forensic science and dive technology, more recoveries of evidence are successfully performed each year. Many items found underwater secure convictions against those who sought to ... Read More
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Travel Smarter: Personal Safety While Traveling
September 16th, 2023
Before you leave home, check the local news at your destination. Knowing about inclement weather, utility outages, or civil unrest will allow you to adjust your travel plans accordingly.... Read More
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Liability in Context
September 16th, 2023
It's important to note that the availability and specific terms of these liability policies may vary among insurance providers. It's advisable to consult with an insurance specialist or broker to dete... Read More
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Learning from Success. Learning from Mistake
September 16th, 2023
Learning happens when we do something, reflect on it, put some changes in place that should address the gap in our previous performance, and then try it out the next time to see what happens. ... Read More
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Dive in the Fast Lane with DPVs
September 16th, 2023
Safely using a DPV requires additional training. Divers who intend to use one in open water without proper training may lose control of the unit or their buoyancy, which could lead to a rapid ascent a... Read More
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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
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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 ShotWeight loss for diversPredive Warm-UpTara Panton's Cape NudibranchsMonitoring Cardiac Health in Scuba DiversRESEARCHER PROFILE: Petar Denoble: Solving practical issues for divers
October
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UNCERTAINTY AFTER DIVING: Case Report and Recommendations #1.UNCERTAINTY AFTER DIVING: Case Report and Recommendations #2DIVERS LOSING ACCESS TO EMERGENCY CAREUNCERTAINTY AFTER DIVING: Case Report and Recommendations #3UNCERTAINTY AFTER DIVING: Case Report and Recommendations #4Preventing Breathing gas Contamination