X-Ray Mag #16

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Feature articles in this issue with stand-alone pdfs

Zebra Crab

“Have a great time, but keep your head down!” This was the response I received from a diving friend after announcing I was planning a visit to Ambon. At least he knew where it was; my announcement to friends in Toronto drew blank stares. When I mentioned the Spice Islands, a dawn of recognition crept into their eyes. It was a place they’d vaguely heard of but had no idea whatsoever as to their location.

Michael Symes  

The Black Sea is interesting not only for tourism and diving but also from the scientific and historical point of view. Atlantis? The Flood? If you are a fan of myths and mysteries then the Black Sea has something for you, too.

The Black Sea is an unusual sea. Nearly one third of the land area of continental Europe drains into this sea into which seven large rivers flow, including the major rivers of the Danube, Dnieper and Don. However, its only outlet is the narrow channel of the Bosphorus, which is only about 70 metres deep and 700 metres wide. The depth of the Black Sea itself is more than 2,000 metres in places.

Barb Roy   Barb Roy
North Island, New Zealand. Photo by Barb Roy

The Maori warrior cautiously moved towards us. His face was painted and body adorned in traditional combatant attire. He yelled words I did not understand and pounded the ground with his spear-like weapon to challenge us. More warriors appeared out of the darkness behind him, each taking defensive positions with wide eyes and tongues out to intimidate. Like the other visitors around me, I froze with excitement, waiting for their next move.

Nonoy Tan   Nonoy Tan

The “Visayas” is a group of islands that comprises the central portion of the Philippine archipelago. A few Visayan islands are popular among travelers, such as Cebu and Boracay; while the majority remain low-profile but nonetheless exquisite. I have been regularly diving in the Visayas during the last six years.

Cedric Verdier   Cedric Verdier , Peter Symes

Most of the articles one can find about rebreathers deal with potential problems and limits of these wonderful pieces of kit. They give extensive information about oxygen sensors, scrubber duration, electronics and any of the risks associated with this kind of equipment. Becoming proficient with the emergency procedures is a very important component of training and experience. But an aspect that is sometimes a little bit overlooked is how to properly dive with a rebreather.

Cedric Verdier   Cedric Verdier , Peter Symes

Most of the articles one can find about rebreathers deal with potential problems and limits of these wonderful pieces of kit. They give extensive information about oxygen sensors, scrubber duration, electronics and any of the risks associated with this kind of equipment. Becoming proficient with the emergency procedures is a very important component of training and experience. But an aspect that is sometimes a little bit overlooked is how to properly dive with a rebreather.

Villy Volk  

Depending on who you ask, humans are responsible for removing between 20 million and 100 million sharks per year from the oceans. Considered a delicacy in many parts of the world, shark fins are served at Chinese weddings and business dinners throughout Southeast Asia and the Pacific Rim. The problem with finning is two-fold. First, from a humanitarian aspect, sharks are still alive when their fins are sliced off; the animals are thrown back into the sea, where they’re left to drown. Second, from a practical standpoint, the demand for shark fins will soon outpace the ability of sharks to reproduce—the number of pups in any shark’s litter rarely exceeds 100—and overfishing could have serious effects for both coral reef systems and the entire food chain.

Dan Beecham  

In the past we’ve focused on teaching you about underwater still photography, including (amongst other topics) equipment, locations and techniques. In the next few issues, we’re going to be diversifying a little, with a series of articles about underwater video.

Andrey Bizyukin  
You probably heard why you should eat anti-oxidants to stay healthy. But have you heard of Reactive Oxygen Species?

Does diving produce free radicals? Can vitamins really protect divers from some the physiological effects of diving? X-Ray Mag’s own editor and medical doctor Andrey Bizyukin conducted a series of experiments to find out.

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