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COVID-19 and Diving: March 2021 Update
April 14th, 2021
Date: 24 March 2021 | Author: Jim Chimiak, M.D. For more than a year, the entire world, including the medical community, has been focused on the COVID-19 pandemic. Significant advancements, including ... Read More
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10 Simple Things You Can Do to Improve Your Underwater Photography
April 9th, 2021
Underwater photographer always want to be better at what they do. Taking pictures underwater serve as a reminder of what you seen while exploring and is always great to have that awesome photo to show... Read More
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Underwater Photographer and DAN Member Madelein Wolfaardt
April 9th, 2021
Photography is a way to express myself artistically. Being able to share my passion with others is very rewarding. I count myself incredibly lucky to see and experience the wonderful things the underw... Read More
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Aqua Pool Noodle Exercises
April 1st, 2021
Exercising in water can be a great way to mix up your routine. The water supports your body
and ensures low impact despite intense exercise. The effects of gravity are less profound in the water, so y... Read More
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Environmental Considerations for Disinfection
March 22nd, 2021
Divers, dive operators and dive professionals must continue to practice good hygiene and disinfection of scuba equipment during the COVID-19 pandemic. Disinfectant products kill microorganisms. When d... Read More
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This Bites: Prevention Treatment
March 22nd, 2021
Moray eels are the largest eel species, and they are known to produce toxins, which can be found in their mouths. Temporary paralysis of the bitten area can occur. Eels have an impressive mouthful of... Read More
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Current Dives
March 12th, 2021
Diving in currents can be exhilarating, but it can also be hazardous if you do not have the proper training or are unprepared. To get the most enjoyment, perform proper predive research and dive plann... Read More
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Cristina Mittermeier: Commitment to Conservation
March 4th, 2021
Photographer Cristina Mittermeier’s social media posts have insightful captions that reveal her deep commitment to ocean ecology issues. Telling stories that inspire, engage and ultimately motivate ac... Read More
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Diving After a Stroke
March 4th, 2021
Carefully weigh your return to diving, and assess the risk versus reward. No studies are available that address if the areas of your brain damaged by your stroke will be more susceptible to decompress... Read More
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Sunscreen and Coral
March 3rd, 2021
Sunscreen pollution is a serious threat to the world’s coral reefs causing fast degradation. But, divers can combat the effects of this pollution with simple steps.... Read More
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Reef safe sunscreen
March 3rd, 2021
Coral reefs the world over are in dire need of protection and conservation. In several countries the use of certain ingredients in sunscreen lotions have been banned. More is being tested to determine... Read More
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Models and Marine Life
March 3rd, 2021
Underwater photographers usually evolve a specialty, but the first fork in their road typically involves defining an interest in either photographing natural history — marine life in particular — or c... Read More
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Physics, Biophysics and Decompression Sickness
March 3rd, 2021
Meiners and his team are currently working on tissue mechanics and tissue damage through gas bubbles in the spinal cord, or spinal cord decompression sickness.... Read More
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Undercover Crabs
March 1st, 2021
The crabs manipulate the purloined pieces of attire with their mouths before attaching them to one of the many fishhook-shaped bristles arranged in rows on the carapace, rostrum, walking legs and claw... Read More
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Cylinder Safety
March 1st, 2021
Every year fires and ruptures in scuba, rebreather and oxygen cylinders occur. These incidents destroy property and injure, maim and even cause the death of cylinder filling-station operators as well ... Read More
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Save a Diver, Save Yourself
March 1st, 2021
The lessons learned in a rescue diver course may help you save your buddy or a fellow diver, as well as improve your ability to recognize and respond to your own situation... Read More
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Old Habits Die Hard
March 1st, 2021
Make it your standard practice to gently and completely turn on your air. If you’re an instructor, consider not teaching students the quarter-turn back. Dive operations should instruct their staff not... Read More
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Prescription Dive Masks
December 8th, 2020
To understand the options for divers who require refractive correction, a basic knowledge of how the eye works is helpful. Light enters through the cornea, where the focusing process begins, and passe... Read More
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Evaluating Oxygen Delivery with a Demand Valve
December 8th, 2020
Oxygen systems commonly used for dive accidents can have two delivery options: a pressure-activated demand valve or constant flow for use with a nonrebreather mask.... Read More
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Dive Locally, Dive Safely
December 8th, 2020
How can you determine if it’s safe to dive, and what should you look for when choosing a dive shop? When diving with a dive operator or renting equipment, ask what infection-control procedures they ha... Read More
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A Predator's Dream
December 8th, 2020
Nuclear hunting, the most common multi species feeding association, primarily revolves around a foraging eel, octopus or goatfish (the nucleus) followed by a gang of feisty predators looking for an ea... Read More
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Talya Davidoff: the 'Plattelandse Meisie' Freediver
October 23rd, 2020
Her advice to divers to improve their breath hold and depth is simple. Have the right coach and have the right safety measures in place. “I have learnt that I will not push my limits unless I trust th... Read More
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Scuba Diving and Factor V Leiden gene mutation
October 19th, 2020
The goal isn’t to find a physician to sign off on your ability to dive but rather to objectively determine whether your medical history, Factor V in your case, is compatible with diving.... Read More
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The Watchman device and diving
October 19th, 2020
Divers who have AFib should be well rate controlled, both at rest and when performing moderate exercise, and understand the possible complications of their condition before considering diving. We reco... 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 Shot