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Category: Education

Choosing a shark diving operator

  • DIVER Editorial
  • 25th May 2022

Words by Cristina Zenato As a firm believer that “one size does not fit all”, I’ll start my first column in DIVER by highlighting some of the considerations a diver should take before embarking on a shark diving trip. I’ll start with picking the operator.  As divers, we are …

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Can you benefit from a drysuit cert card…?

  • DIVER Editorial
  • 20th May 2022

Words by Steve Lewis I can’t recall what the original meeting was about. Probably something to do with training schedules or core standards or perhaps what flavour wings we’d order later that evening at ‘beer night’, but I do recall the head of the agency running up the stairs, swinging …

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Going Local with Citizen Science

  • DIVER Editorial
  • 11th May 2022

Words By Heather Creech As with just about every other aspect of our lives, COVID-19 has had an impact on marine public education and citizen science projects.   At the time of writing, large institutions like the Monterey Bay Aquarium and Ocean Wise (the Vancouver Aquarium) remain closed, while …

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Divers and jelly stings

  • DIVER Editorial
  • 9th May 2022

By Divers Alert Network Jellyfish are often associated with tropical climates—their gelatinous bodies are commonly seen drifting through warm waters—and they’re known for stinging unsuspecting divers, swimmers, and beachcombers. Cold water divers might be forgiven, then, for thinking that jellyfish stings are a problem they don’t really have to …

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Is Scuba First Aid Really Good Enough?

  • DIVER Editorial
  • 6th May 2022

Words by Steve Lewis What a strange year 1994 was; not as famous as 1984 perhaps, and certainly not even close to the strangeness of 2020, but memorable in its own sweet way.  The movie Forrest Gump was released in 1994 and—at the other end of the interest spectrum—it was …

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A Crisis in Emergency Chamber Availability

  • DIVER Editorial
  • 25th April 2022

When a hyperbaric emergency happens, divers want to know that a chamber is always available nearby. Problem is, it isn’t. Words by Dan Orr In the Winter 2012 edition of Alert Diver Online, Divers Alert Network (DAN) published an article authored by Dick Clarke of National Baromedical Services entitled, …

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EDSBC – exciting new exploration project launched in Canada

  • DIVER Editorial
  • 22nd April 2022

The Exploration Diving Society of British Columbia has officially launched. The EDSBC is a diverse group of experienced and multi-disciplined underwater explorers discovering new diving opportunities for freedivers, non-technical divers, and technical divers. Like most great ideas, this one started at a coffee shop with a group of people discussing …

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Great white sharks in Nova Scotia – everything you need to know

  • DIVER Editorial
  • 21st April 2022

Have you heard about the recent sightings of great white sharks in Nova Scotia, Canada? These incredible animals are becoming more frequent in the area, but fear not – there is no need to panic, this ain’t Amity Island! Dr Chris Harvey Clark shares science-based tips on how you …

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Inspiring By The Seat Of Joe Grabowski’s Pants

  • DIVER Editorial
  • 15th April 2022

Joe Grabowski is bringing adventure, science, and global exploration into classrooms around North America Interview by Jill Heinerth Just over five years ago, I visited a small classroom in Guelph, Ontario, to visit with the kids and their teacher Joe Grabowski. He spoke to me about his dream to …

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DAN medical services launch new video

  • DIVER Editorial
  • 13th April 2022

For more than 40 years, DAN has been here to help divers, dive professionals, and health care providers stay safer and better prepared. With its vision of making every dive accident- and injury-free, DAN Medical Services offers an array of essential services trusted by millions of divers worldwide. DAN’s …

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Should Instructors Wear Full Face Masks?

  • DIVER Editorial
  • 8th April 2022

By Steve Lewis I was blind to the possibilities…and all the time it was staring me in the face. Every few circuits around the sun, some well-meaning public-relations maven sends out a press-release notifying the dive industry of yet another innovative technology or wonderfully-conceived piece of dive kit that will …

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Download the free DAN travellers guide

  • DIVER Editorial
  • 6th April 2022

Divers Alert Network has published the latest edition of its Travelers Medical Guide. Created to help divers, boaters, and adventure travelers recognize and manage various travel-related illnesses and injuries, this digital guide explains common symptoms, illnesses, and treatments in an easy-to-understand manner. “DAN members are active explorers, and they …

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When citizen scientists get angry

  • DIVER Editorial
  • 6th April 2022

By Heather Creech In citizen science, there comes a moment when recording observations simply isn’t enough to protect the ocean we love—when it becomes necessary to dive headfirst into the politics and economics of marine conservation. That time has come in South Australia. Divers, scientists, and many others (including …

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DAN Announces Livestreaming, In-Booth Safety Consultations at DEMA Show 2021

  • DIVER Editorial
  • 9th November 2021

Even if you won’t be at DEMA next week, you’ll still be able to watch many of DAN’s DEMA seminars. The safety organization will be streaming live from Las Vegas on Tuesday, Wednesday, and Thursday, November 16, 17, and 18. Tune in for talks about advances in postdive bubble …

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Turn your interest in diving safety and physiology into a career…

  • DIVER Editorial
  • 1st November 2021

Are you located in British Columbia? Are looking for a new career? The Simon Fraser University Environmental Medicine and Physiology Unit are looking for someone with a keen interest in diving physiology, aerospace physiology, and equipment testing. They will offer training for the right candidate, including training as a …

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Your local marine life centre needs you!

  • DIVER Editorial
  • 29th October 2021

By Heather Creech Earlier this year, the staff at the Cairns Aquarium in Queensland noticed something unusual: some of the fish stopped eating and began hiding in the dark corners of their tanks. Turns out the fish—inquisitive creatures that they are—were missing their human visitors during the pandemic lockdown. …

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Continuing Education with Your Kids

  • DIVER Editorial
  • 27th October 2021

By Margo Peyton Continuing diver education builds confidence, instills good habits and creates better, more responsible divers.  Taking a course as a family can be a fun way to spend time together, bond, and improve skills in the process! Here are a few suggestions for courses that are fun to …

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Take Your Vitamin Freediving Daily

  • DIVER Editorial
  • 22nd October 2021

By Kirk Krack Who would have known that 2020-21 would look the way it does now? I am sure we all made some sort of diving plan for this year only to have us studying every crack and crevice of our homes and yards as we suffer diving withdrawal. …

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Decompression Illness and Denial – Part 2

  • DIVER Editorial
  • 29th September 2021

Demystifying Dive Computers Words and Photography by Jill Heinerth In my previous article I looked into incident reports that fell outside of the data gathered by organizations such as DAN. In this article, I’m going to dive into the physiology of decompression, gradient factors, and conservatism strategies. When you …

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Citizen Archaeologists Underwater

  • DIVER Editorial
  • 21st September 2021

By Heather Creech Citizen science is not just for nature explorers. Two years ago, a group of history buffs and shipwreck divers announced that they might have found the oldest known wreck in Lake Erie: the 47-ft (14m) schooner Lake Serpent, which disappeared in 1829. They are “citizen archaeologists”—divers passionate …

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Diver Rescues

  • DIVER Editorial
  • 16th September 2021

By Divers Alert Network Whether you’re a dive professional or a newly certified diver, diver rescues are something you should be familiar with. Rendering aid to a panicking diver is admirable but can put you at risk. Knowing when and how to help is critical—it’s better to avoid helping …

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Be Prepared for your Next Liveaboard

  • DIVER Editorial
  • 14th September 2021

By Margo Peyton Researching your next liveaboard dive trip? Be prepared to ask some tough questions. The tragic accidents that shook the liveaboard industry in 2019 served to remind us that there is no single set of standards that must be followed by all liveaboards around the world. Make no assumptions …

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Buying A Rebreather: A Simple Primer

  • DIVER Editorial
  • 2nd September 2021

By Steve Lewis There are few simple questions more difficult to answer than “How much is a rebreather?” More so if the person asking advice is a rebreather newbie about to buy their first unit. On the face of it, all that’s required is a straight dollar amount. Let’s …

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Warm vs Cold Water: The Differences for Freedivers

  • DIVER Editorial
  • 31st August 2021

By Kirk Krack I’m often asked by students around the world if I freedive in British Columbia where I live, as most of my work and teaching is done globally and usually in more tropical destinations. This question is really about the temperature of the water and the tidal …

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Decompression Illness and Denial – Part 1

  • DIVER Editorial
  • 17th August 2021

By Jill Heinerth The cream of the crop of the diving industry are respected for their work in exploration, science, education, and engineering. They have been bent, and so have I. Each year, members of Divers Alert Network (DAN) receive a link to review the Annual Diving Report that chronicles …

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Gaining Skills for Citizen Science

  • DIVER Editorial
  • 3rd August 2021

By Heather Creech Sport divers are working with marine science organizations in nearly every region of the world to document the state of our ocean ecosystems. But getting those observations is challenging. In addition to identifying local marine life, volunteer divers need to be able to manage currents and …

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Understanding PFO

  • DIVER Editorial
  • 29th July 2021

By Divers Alert Network With its unusual name, its connection to cardiovascular health, and its link to DCS risk, it’s easy to see why patent foramen ovale (PFO) is of particular interest to divers. The good news is that, while the condition is common, it’s typically low-risk—but it can …

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How about the Rule of Scrooge & Buddha?

  • DIVER Editorial
  • 20th July 2021

By Steve Lewis I can’t recall which Charles Dickens character I am misquoting—I believe it is Ebenezer Scrooge from the novella A Christmas Carol — but the gist is this: “Income one pound; expenses 19 shillings and 11 pence; outcome bliss. Income one pound; expenses one pound and one penny; outcome misery.” Which …

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Equalizing for Freediving and Scuba

  • DIVER Editorial
  • 15th July 2021

By Kirk Krack If you’ve taken a diving course, be it scuba or freediving, you would have been taught the process of equalization. You equalize to ensure that your ears, sinuses, and mask are equal to the water or ambient pressure surrounding you at your depth. Most scuba courses …

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To Submerge and Protect

  • DIVER Editorial
  • 30th June 2021

Words by William Nadeau Specialized in technical, commercial, public safety diving, and underwater investigavite procedures, the RCMP’s Underwater Recovery Team always gets their man In 1959 a Conservation Officer and his pilot were flying to La Loche, Saskatchewan in a Cessna 180 when something went wrong. The plane crashed …

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Mental Health and Diving

  • DIVER Editorial
  • 28th June 2021

Words by Lorie Laroche and Dr. Neal W Pollock Health is a state of overall physical, mental, and social wellness. Good mental health involves the ability to live to one’s full potential, to face normal life stressors, to work productively, and to be able to contribute to the community. …

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Kirk Krack: Writing The Book on Freediving

  • DIVER Editorial
  • 25th June 2021

Words by Michael Menduno DIVER sits down with an industry pioneer to talk the origins of modern freediving, nine-foot tall blue aliens, Tom Cruise, and the evolution of mixed gas freediving Kirk Krack is one of the most prolific and innovative trailblazers in sport diving, yet ironically, most divers …

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Tiny Bubbles, Big Trouble

  • DIVER Editorial
  • 18th June 2021

By Divers Alert Network Decompression sickness (DCS) is a tricky condition. On one hand, we know a lot about who gets it and when—and even how to prevent it, but we do not have a definitive understanding of the mechanisms of bubble formation or injury. Decades worth of research …

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Diving into a BioBlitz

  • DIVER Editorial
  • 16th June 2021

By Heather Creech One gorgeous spring weekend in May, the residents of two small islands in British Columbia got together for something more than coffee. Loaded up with cameras, notebooks, and sample bags, adults and school kids on Mayne and Galiano Islands spread out in order to document all …

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Richard Moon, M.D., Named 2021 DAN/Rolex Diver of the Year

  • DIVER Editorial
  • 8th June 2021

Divers Alert Network and Rolex are pleased to announce that Richard Moon, M.D., has been selected as the 2021 DAN/Rolex Diver of the Year. The award was presented at a virtual event on June 5.  Dr. Moon is a professor of anesthesiology at Duke University and the medical director of …

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Freedivers of the next generation

  • DIVER Editorial
  • 7th June 2021

By Kirk Krack and Mandy Rae Krack Being water people, it was always a given that our child would grow up in and around the water. But would she grow to love it and be as comfortable in it as we are? So far, she does. What a relief! …

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