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The Blue Desert Conundrum
November 19th, 2021
Crystal-clear, nutrient-richwaters may exist in polar seas in the darkness of winter, but elsewhere nutrients in the presence of sunlight nourish phytoplankton, which turns the water green with chloro... Read More
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Seeking an Octopus
November 19th, 2021
New data can show that we aren’t quite as good at understanding nature as we think. New findings can cause us to reassess what we think we know about the beautiful and immensely enigmatic underwater w... Read More
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Introduction to Swim Fitness
November 19th, 2021
Maintaining a balance of physical, social and emotional wellness has become a challenge for many in the age of COVID-19.Exercising in water can increase cardiac function, reduce blood pressure and imp... Read More
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Finding Your Fitness
November 19th, 2021
Recreational scuba diving is generally categorized as moderate physical activity, but circumstances can make it high intensity. For reference, other examples of moderate activity are a brisk walk on a... Read More
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The Deepest Scuba Dive - Part 2
November 18th, 2021
The total dive time was 7hrs and 18mins of which the first 15 minutes was spent on descent to the maximum achieved depth. Once I had safety reached 3m, I was relieved, the dive was almost over and I w... Read More
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Looking into the lungs
November 18th, 2021
When I started reading about breath-hold research, I realized that nobody had shown that a breath-holding human could conserve oxygen. There were, however, discussions about oxygen-conserving effects ... Read More
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Sea Turtles of the World
October 30th, 2021
The world’s sea turtles are a far-ranging, deep-diving, long-enduring and truly diverse group of animals. Some are carnivores; others are herbivores. Some are pelagic, while others are coastal. Most a... Read More
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6 Simple Steps to Perfect Wide-Angle Lighting
September 5th, 2021
The reason we use a wide angle lense or wet wide-angle lenses is to get as close to our subject as possible to light it well. This doesn’t mean trying to get an entire reef or wreck into the shot, but... Read More
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Suseptability to Seasickness
August 18th, 2021
The inner ear houses the vestibular apparatus and the semicircular canals, which send information about balance, head position, motion and acceleration to the brain. These organs are sensitive to pres... Read More
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#WhyWeDoIt - Why women Love Scuba Diving - KateJonker
August 17th, 2021
Although scuba diving does require a certain level of strength and fitness, it is not as strenuous as one expects. The bonus is, the more you dive, the fitter you become. Even if you can do it all you... Read More
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Lessons Learned While Lost at Sea
August 3rd, 2021
Understand the risks and that there are bad dive shops. I chose this shop because I found them on a dive association’s website as a highly rated dive center. The criteria that I had used to select a s... Read More
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Symbiosis on the Sand
August 2nd, 2021
The close living arrangement between weak-eyed alpheid snapping shrimp and sharp-eyed partner gobies is a classic example of symbiosis in the sea. Goby-associated snapping shrimp are master sand dwell... Read More
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California’s Squid Run
August 2nd, 2021
The dynamic spawning runs occur from April to November in Northern California and from October to May in Southern California. The commercial squid fishing industry concentrates its efforts along the C... Read More
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Diving in a Time Capsule
August 2nd, 2021
Known as Shipwreck Alley, this area has unpredictable weather, strong winds, dense fog and rocky shoals that have sent many ships to the lake bottom. Collisions, fires and ice have also contributed to... Read More
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Forging a Blue Economy
August 2nd, 2021
“The resort’s mission to protect the world’s richest reefs is meaningless if we do not take immediate and decisive action to reduce our carbon dioxide emissions and their resultant effects on climate ... Read More
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It Takes a Village
August 2nd, 2021
A 2009 survey by the Ocean Project revealed that young people care greatly about ocean conservation, are motivated to act and often influence adults’ opinions. Informal educational opportunities run b... Read More
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A Slugs Life
August 2nd, 2021
Waterman, who is possibly the only sculptor in the world who creates sea slugs from stone, further identified the importance of incorporating art into the exhibit: “Art can be an extremely useful tool... Read More
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DAN Member Profile: Tec Clark
August 2nd, 2021
Proper training, mentorship and many contact hours with students in the water are the keys to instilling values and creating better ambassadors for the sport, Clark said. Nobody is born a great diver;... Read More
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DCS in Cozumel
July 30th, 2021
The reality is that not identifying a cause should not change your response to experiencing symptoms. There’s a tendency to not talk about getting DCS — the prevailing wisdom being that the diver must... Read More
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Hazards in Wreck Diving
July 29th, 2021
Nearly every ocean, sea and lake holds a world of shipwreck exploration for advanced open-water divers. Each lost ship, submarine, airplane and even the odd locomotive is a time capsule waiting for an... Read More
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Exercising After a Break
July 29th, 2021
There is no perfect time for a workout, and you have to balance all your daily requirements, but people who plan for and prioritize exercise are more successful in the long run. Plan for your workout ... Read More
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Outer- and Inner Ear Infections
July 29th, 2021
Trauma to the external canal disrupts the protective epithelium that, along with earwax, prevents infection.... Read More
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Return to Freeding after Cancer Treatment
July 29th, 2021
Shallow water, however, does not always mean it’s safe. Your lungs must tolerate rapid changes of volume with the pressure at shallower depths, and the greatest changes occur in the first 33 feet (10 ... Read More
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Hiatal Hernia
July 29th, 2021
There is always some degree of DCS risk any time you dive, so take measures to minimize that risk. Continuously monitor yourself for signs and symptoms of DCS following a dive, and seek medical attent... 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
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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
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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 Shot