By Steve Lewis If you have aspirations of moving your scuba diving into the world of sidemount diving this article might interest you. If you are a bona fide sidemount diver and especially if you’re going a little deeper, planning exposure that require staged decompression, use exotic breathing gases …

By Kirk Krack & Ashley Futral Chapman  There is little conclusive evidence supporting mainstream advice that women should stop diving (with compressed air) during pregnancy. The lack of science backing up the counsel is partly due to the fact that experimenting on pregnant women is unethical. That and endless …

By Divers Alert Network Oxygen toxicity is a serious condition, and many divers struggle to understand it. We know that monitoring oxygen exposure is important to our safety, but we may not know what happens if we exceed safe exposure limits or why those limits even exist. Following training …

Words by Jill Heinerth There is a stone embedded in the pavement of my old Florida home, the embossed message reads “Gravity Sucks.” It is a humble reminder that I find my grace underwater. Frankly, I am a bit awkward on land, having flipped my van, crashed my motorcycle, …

By Margo Peyton Family bonding: It is the perfect way to get them to disconnect from their virtual worlds and reconnect to each other and you. Today’s youth are stuck to their cell phones and rarely look up. Scuba diving is not only outdoors, it’s underwater, and in zero gravity! It’s a …

By Heather Creech Don Gordon carries a special slate on every dive. On that slate is a list of 100 species of fish, invertebrates, and marine plants for the Pacific Northwest waters. While diving with his friends, he checks off what he sees – a single sighting, a few …

  The following is an abridged version of an extensive ten page feature interview in the Fall 2019 issue of DIVER magazine, written by Michael Menduno. Kirk Krack is one of the most prolific and innovative trailblazers in sport diving, yet ironically, most divers (DIVER readers excluded) have never heard of …

  Jill Heinerth has spent a lifetime travelling the globe on expeditions and filming projects. In the Summer issue of DIVER she offers us her top 101 expedition tips to make your adventure more relaxed and earth-friendly. Here are a few of our favourites… Checklists: I’m a fan of …

ITI, the parent company of TDI, SDI, ERDI and First Response Training, have today announced a new addition to their family with the acquisiton of Performance Freediving International. DIVER readers will be familiar with PFI as its founder, Kirk Krack, is our regular freediving columnist and Contributing Editor. “I’m …

By Kirk Krack and John Hullverson To my mind, there’s nothing better than gliding over a reef or wreck, free of tanks and hoses, tied only to the surface by my need for an eventual gulp of air.  However, as a former Trimix Instructor Trainer from what seems like …

Citizen scientists around the world are being urged to share their anchor ‘finds’ following the relaunch of an online resource that aims to be the world’s biggest public record of these iconic objects.  The Nautical Archaeology Society (NAS) has relaunched the popular Big Anchor Project following a generous public …

Words and Photography by Jill Heinerth   Rebreathers offer an entirely new way to enjoy the underwater world. Whether it is the technology that attracts you or the potential to swim free without making bubbles, the decision to enter the domain of rebreather diving is a significant one. You …

  Text and Photo by Jill Heinerth I’ve been told that I have a problem intellect, meaning that I am always in pursuit of learning. I think that is quite true. If I am not challenged with novelty and discovery, then I feel a sense of unrest. Change and …

  By Dr. David Sawatzky Rebreathers are becoming ever more common in the diving community, and in diving fatality records.  I wanted to write a column on rebreather fatalities but immediately realized that it would make no sense to most divers unless they had a good, basic understanding of …

There’s nothing worse than gearing up a boat dive only to have your tummy lurching within minutes of leaving the dock. Fly & Sea Dive Adventures are there with you… Choose the right destination Don’t choose a destination where you have to hit the open ocean in the middle of monsoon season …

By Michael Menduno   RAID’s co-owner is on a mission to make diving sexy again. He’s passionate, experienced, and brings a fresh point of view. Don’t underestimate Paul Toomer… By creating a new market for diving, PADI co-founder & former CEO John Cronin—reportedly the first person to rack up …

Text and Photography by Jill Heinerth Originally published in Volume 40, issue 7. Click here to subscribe. Pioneering Scuba diver Marjorie Bank never made it to my age. She died prematurely, the result of a massive heart attack. As a younger diver, I was inspired by her career and charisma. She …

Will reactivate initiatives lead to a SCUBA renaissance? Text by Robert Osborne, photography by Jill Heinerth It was a magical moment that Wendy Truman will never forget: the end of a dive in Belize.  She was hanging on the down line for a safety stop “when I heard a kind …

By Dr. David Sawatzky In the last three columns I reviewed vision underwater, common refractive errors, and reading glasses/ contacts.  In this column I will finish the discussion of vision and diving by looking at various mask options for correcting your vision while under water. Do You Need to Correct Your Vision? Diving with a …

First annual event scheduled for July 18 to attract more women to scuba diving To build awareness and increase interest in diving among women, PADI has launched a “Women in Diving” initiative, including the inaugural PADI Women’s Dive Day scheduled for 18 July 2015. The international event is geared …

Excitement is building and anticipation is in the air as PADI launches this year’s edition of the “I Heart My PADI Pro” contest. This program gives PADI Divers the opportunity to tell the world why their PADI Professional is the best on the planet. They can win great prizes …

By Dr. David Sawatzky In the last column I reviewed common refractive errors and the effects they have on our vision both in and out of the water.  In this column I will continue that discussion by reviewing reading glasses, contact lenses and how they interact with diving. Presbyopia (far-sightedness associated with age) …

Diving is fun. Diving is deadly. Training and experience make the difference. Text by Bret Gilliam The deal in diving is that you’re certified for life upon successful completion of a recognized SCUBA training program. There’s no requirement to renew that wallet card they give you because it doesn’t …

Text by Bret Gilliam Photography by Andrey Nekrasov Let’s clear the air – You can get bent while breath hold diving. Sam Espinosa parked his battered pickup truck full of yellowfin grouper, snapper and a smattering of big pelagic fish in front of my office and, with obvious difficulty, climbed the …

Visibility notwithstanding, dive masks are the solution… for human beings By Dr. David Sawatzky The eye is really just a complex, living camera.  The main parts of the eye are the cornea, iris, lens and retina.  The cornea is clear and has no blood supply.  It protects the eye …

By Dr. David Sawatzky Cave diving is a very unforgiving activity.  You have to keep track of a large number of variables, concurrently.  If you make a mistake or lose track of one of these variables, you will very likely die.  There is very little margin for error. In …

A new study suggests fish are behaviourally complex and possess a mental capacity that can match or exceed other vertebrates A paper just published in the scientific journal Animal Cognition states that “fish perception and cognitive abilities often match or exceed other vertebrates.” Dr. Culum Brown, a professor in the …

By Dr. David Sawatzky Diving is an activity with some degree of real risk.  You can get hurt while diving and you can die.  You should have some degree of anxiety and apprehension when you are diving.  This ‘appropriate’ level of arousal is reasonable, normal, healthy and actually reduces …

We sincerely hope you don’t, but our intrepid contributor, Stephen Weir, has taken steps just in case, and he’s not alone Text by Stephen Weir If at some point in the future someone who is not my dentist gets up close and personal with me and they see my …

To accompany our rather good feature on breath hold diving and yoga, here are a few extra tidbits:   Yoga literally means ‘union’ and is based on the principle of harmony between the mind and body. All freedivers can benefit from it but yoga is particularly helpful for those …

It’s been said that if you want to know why dolphins are always smiling you should join them. Welcome to the world of breath-hold diving! Text by Richard Fleury  One of the world’s top wrecks, the SS Thistlegorm attracts exotic marine life. And today a creature seldom seen on …

You should stay fit to dive, not dive to stay fit. It’s sound advice. Here are some resources to help you make the summer scuba season effortlessly fun! Kettlebells for a Fit Diver Fitness Programme by Coach Izzy An complete fitness programme designed specifically for scuba divers, by scuba divers. The plan comprises a book, online videos …

Only whales and whale sharks need apply Text and Photography by Michael Wood SCUBA diving or snorkeling with any kind of whale or a whale shark remains high on my adventure bucket list, though I had what you might consider a close ‘second’ on the excitement scale with something …

Though myocarditis is relatively common the real incidence rate is completely unknown By Dr. David Sawatzky The most common cause of death in divers while they are diving is a heart attack.  These heart attacks are usually the result of coronary artery disease (CAD), in which the arteries in …

In the late fall of 2012, researchers from Woods Hole Oceanographic Institution, the University of Maryland and the University of Hawaii at Manoa joined forces to conduct a month-long integrated study of coral in the Federated States of Micronesia, remote islands in the western Pacific. Three dive teams, each …

  Profile: Angela Richards Donà – University of Hawaii, Manoa Angela was a fashion designer from New York, living and working in Italy in 2000. That year she got her open water certification and took a diving vacation in Egypt, at Sharm El Sheikh on the tip of the …