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Sound in the Silence
November 25th, 2021
Audible cues and signals can get your buddy’s attention, signal a group of divers or indicate a problem you can help address. Even though we may dive to escape the noise of everyday life, we need to p... Read More
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Answering the Call
November 25th, 2021
In Wild Seas, his new book published by National Geographic, Thomas Peschak ponders his career path: “My life as a National Geographic photographer has been socially isolating, emotionally exhausting ... Read More
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Celebrating Seagrass
November 25th, 2021
The benefits of protecting seagrass cannot be overstated. Seagrass purifies the water, helps protect against coastal erosion, helps sustain small-scale fisheries that support communities, and increase... Read More
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Photography in the Plimsoll Interface
November 23rd, 2021
Underwater photographers sometimes refer to the narrow water zone where a subject splits the surface as the Plimsoll interface. Opportunities abound here for dynamic shots achieved by angling the came... Read More
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Immature Blood cells
November 19th, 2021
Platelets are components within our blood responsible for beginning clotting. Decreased platelets will inhibit clotting, which may lead to uncontrolled bleeding. If you have bleeding from blunt or pen... Read More
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PFO CONCERNS IN DIVE INJURY TREATMENT
November 19th, 2021
A PFO is undoubtedly a concern with diving because about 25 percent of the population has one. The recovery position supports and maintains an open airway in an
unconscious person or injured diver. ... Read More
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DAN SUMMER RESEARCH INTERNSHIP
November 19th, 2021
More than 100 interns over 20years have participated in DAN’s internship programs, working
with established mentors in research, risk mitigation or medicine to gain knowledge and valuable professional... Read More
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Shore Thing A HOW-TO GUIDE FOR ASPIRING BEACH DIVERS
November 19th, 2021
Aside from allowing me to avoid that sunrise alarm, shore diving offers other freedoms as well: the last-minute choice of a dive site, the ability to do two-hour dive without worrying a boat crew and... Read More
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It Can Happen to Anyone
November 19th, 2021
Our divemaster immediately gave me 100 percent oxygen and notified the captain. We quickly returned to the resort dock. At some point during the ride back they had called to shore and contacted DAN, w... Read More
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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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