THE COVERS Articles & Editorials DECEMBER 2005 • Volume 15 Number 12

 
Photography By Barry And Ruth Guimbellot
Using a dive light seems pretty simple, huh? Turn the thing on, point it at what you want to see, and you've got instant illumination. Except that there's slightly more to it than that. This month's Scuba Skills column, "How to Shine at Diving: Tips for Using a Dive Light," offers useful advice on handling a dive light.
FEATURES
    
24. Unraveling the Mysteries of Marine Mammals: New Insights Into the Sea's Breath-Holding Champions
Marine mammals have achieved the two ultimate goals of any human diver: the ability to dive to unimagined depths free of the constraints of equipment, and an apparent immunity to decompression sickness. And as our insights expand, scientists are continually refining, and in some cases completely revising, much of what they thought they knew about them.
By Alex Brylske
34. When a Winning Smile Just Isn't Enough: Scuba Accessories That Will Help You Get Noticed
A pair of diver's heads bobbing a few inches above the ocean surface isn't the easiest thing to spot for the crew of a dive boat. Even with waving arms, it's easy to go unnoticed, and yelling against the wind or the steady drone of the dive boat's diesel isn't going to help either. If we want to be noticed, we'll need to have the right tools for the job.
By Robert N. Rossier
46. The Scuba Cruise: What It's Like On a Live-aboard
Picture yourself vacationing at a lovely tropical resort, with comfortable accommodations, wonderful food, lounge chairs for lazing in, and lots of great diving. Now, imagine that the resort floats and you'll get an idea what it's like on a live-aboard dive boat. The author takes you on a virtual tour of a floating dive vacation.
By Lynn Laymon
COMMENTARY
     
8 Editorial: More Meat and Potatoes, Please By Cathryn Castle Whitman
10 Buddy Lines: Preventive Maintenance  
16 Dive Observer: Dive Destinations Clean Up After Wilma and other news from the diving industry By Gene Gentrup
90 No Dumb Questions: Anti-Malarial Drugs and Diving, Chest Pain, and Dive Buddy Assignments
Questions from our readers
By Alex Brylske
DIVE EXPLORATION
     
70 Global Dive Exploration Map: A geographical guide to great dive destinations across the globe  
72 Dive Geo: Tanzania, Africa: A Wild Place, Above, Below and Beyond. The perfect setting for a true scuba safari By Cara Sherman
81 Dive Traveler: Passports: The Newest Caribbean Dive Travel Accessory By Staci Meyer
85 Passport: Dive travel deals and updates from all over  Compiled By Gene Gentrup
86 Diving USA: Dive travel opportunities across America  
EVERY MONTH
     
57 Scuba Skills: How to Shine at Diving: Tips for Using a Dive Light. Simple handling tips prove illuminating. By Linda Lee Walden
61 Instructor Tips: Judgment Call: How to Teach Risk Management for Divers. Help them identify potential hazards. By Greg Laslo
65 Always Learning: A Month With Mary Alice: Lessons Learned From a 70-Something Dive Buddy
Admiring the youthful attitude of a senior diver.
By Marty Snyderman
88 Dive Shop:
 Compiled By Cathryn Castle Whitman
95 What's That?: Strange Relations: A Look at Unlikely Undersea Pairings: Underwater odd couples, examined. By Marty Snyderman
99 Premier Classifieds  
101 Dive Training Classifieds  
105 Dive Training Quiz: Test your knowledge of the information in this month's issue  
106 Final Check: What It Looks Like When. . . Your Mask is Adjusted for Comfort
Not too tight, but just right
By Linda Lee Walden