FEATURES
| 24 | Understanding Ascents and Descents, Part 2: Relax and Breathe Normally
In the second installment of a two-part series on descents and ascents, the author offers a physiological explanation of what may happen if we violate diving's prime directive, "Always breathe normally; never hold your breath."
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By Alex Brylske |
| 40 | The Best of Times, the Worst of Times: Perspectives on an Evolving Activity
Some divers have a been-there, done-that attitude about the sport; others claim the oceans are overflowing with opportunity for exciting underwater exploration. With logbooks that date back more than 40 years, the author provides a personal opinion about the wonder of being underwater.
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By Eric Hanauer |
| 52 | 'Take a Left at Aruba:' How Do Animals Navigate The Underwater World?
How do marine animals make major migrations each year, thousands-of-miles-long epics across open oceans? Biologists think they probably use a combination of senses, including sight and sound. But they're also likely to use a remarkable, albeit controversial, "sixth sense", the ability to detect and ride the magnetic energy of the Earth. In other words, they don't need to ask directions. They've got a built-in compass showing which way to go.
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By Greg Laslo |
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COMMENTARY
| 8 | Editorial: A Tragic Lesson
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By Alex Brylske |
| 10 | Buddy Lines: Shifting Baselines
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| 16 | Dive Observer: Tsunami Warning System to Include Caribbean, Atlantic Coast and other news from the diving industry
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By Gene Gentrup |
| 94 | No Dumb Questions: CO2 Buildup, Dive Compasses, Nitrox and Nitrogen Narcosis. Questions from our readers
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By Alex Brylske |
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DIVE EXPLORATION
| 76 | Global Dive Exploration Map: A geographical guide to great dive destinations across the globe
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| 78 | Dive Geo: Papua New Guinea: A Land of Painted Faces and Pygmy Sea Horses, Colorful coral reefs, muck diving, pelagics and wrecks
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By Eric Hanauer |
| 85 | Dive Traveler: A Trip of Your Own: Tips for Successful Solo Dive Travel. Planning tips for smooth soloing
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By Staci Meyer |
| 89 | Passport: Dive travel deals and updates from all over.
Compiled by Gene Gentrup
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| 90 | Diving USA: Dive travel opportunities across America
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EVERY MONTH
| 63 | Scuba Skills: The Underwater Photographer: Tips for Diving With a Camera. Camera-handling basics all photographers should know
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By Lynn Laymon |
| 67 | Instructor Tips: Got Air?: Teaching Students to Manage Resources. Help them identify and use their resources for safe diving.
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By Robert N. Rossier |
| 71 | Always Learning: Wild Times: A New Year's Eve Retrospective. Ringing in the New Year, underwater
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By Marty Snyderman |
| 92 | Dive Shop:
Compiled by Cathryn Castle Whitman
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| 100 | Weather & Waves: Tsunamis: Waves Without Warning. A natural phenomenon explained
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By Jack Williams |
| 103 | What's That?: Life in the Latticework: Peering Into Underwater Caves and Crevices. What you're likely to find inside
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By Marty Snyderman |
| 107 | Premier Classifieds
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| 109 | Dive Training Classifieds
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| 113 | Dive Training Quiz: Test your knowledge of the information in this month's issue
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| 114 | Final Check: What it Looks Like When... You Ascend Safely. Easy does it on the way up
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By Lynn Laymon |
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