It happens to us all—we drop stuff, or spill something. Underwater photographers, who often will find themselves transferring or editing images in moist environments or close to water, will be reassured that butterfingers need not have catastrophic consequences.
The first time I met a shark, I was struck by silence. Having observed the wildlife of the Canadian mountains all my life, my knowledge of sharks was limited to the information gained from watching the movie <i>Jaws</i> many years before. All that remained from that brief education was that they bit and badly. Very badly. Essentially, if you met one, you died.
Dr. Wilkinson is a senior staff specialist in anesthesiology and the medical director of the hyperbaric medicine unit at the Royal Adelaide Hospital. A researcher and educator, he is also a clinical lecturer at the University of Adelaide and a fellow of Undersea and Hyperbaric Medicine. He became captivated by hyperbaric medicine one day while working in the Royal Adelaide Hospital’s intensive care unit. When a colleague was taking a patient to the hyperbaric department, Wilkinson asked if he could accompany them, and he was completely fascinated by the chamber.
Award-winning underwater cinematographer and documentary producer Nathalie Lasselin reflects upon her dive expeditions in the Arctic and her epic project to raise awareness about the state of fresh water in the St Lawrence River, closer to home in Montreal.
Are you dive fit?
If you're not sure, then you can't suit up.
Being fit to dive isn't just about your physical stamina. They call diving the "lazy man's sport" for a reason. It is the contraindications to scuba diving that can put both your life at risk and threaten the lives of others on your team.
A dive physical is integral to making sure you're ready to get in the pool. Here's why scuba diving medical clearance is so necessary—and why you can't go anywhere without it.
Sources: The Journal of Underwater Education is an international publication of the National Association of Underwater Instructors. Sources provides NAUI members, affiliate businesses, and divers around the world with member-contributed information covering topics like NAUI leadership and dive training practices, the aquatic environment, diving education, dive career development, dive culture, business development, equipment innovation, and more.
Have you ever wondered why some bodies of water, such as the Baltic, have so many wooden wrecks in great condition while other areas have almost no wooden wrecks at all? It has something to do with salinity; however, it is not the salt in seawater that consumes the wrecks but a mussel, which somewhat confusingly is called a worm—and it only lives in saltwater.
Do you also struggle a bit looking through the viewfinder or seeing what is displayed on the rear panel of your camera?
The standard method for testing whether an animal is self-aware is placing a mark on its body that cannot be viewed directly and then letting it have a look in a mirror. If the animal responds to its reflection and attempts to remove the mark it is considered evidence that the animal is self-aware.
