THE COVERS Articles & Editorials JULY 2001 • Volume 11 Number 7 
  
By Tanya Burnett and Kevin Palmer		 Every dive has its ins and outs, its downs and ups. In this month's cover feature, author Robert N. Rossier takes a look at the various techniques used for safe entries and exits.
FEATURES
32 The Ins and Outs of Diving: The Greatest Challenges Come at the
Beginning and End of a Dive. As divers making the transition between worlds, we are sometimes required to test our skills, strength, knowledge and judgment. By taking the appropriate precautions and using time-tested techniques, we can make entries and exits safer and easier. 		By Robert N. Rossier
46 Weird Gear: Dive Equipment Inventions That Didn't Make It. Not every new dive equipment invention turns out to be the next best thing. Some products that get off the drawing board never make it off the dive store shelf, while others turn out to be water-soluble. The author takes a look at dive gear inventions that went the way of the dinosaur. By Eric Hanauer
70 So You Hate Being C-c-c-c-cold: The Real Skinny on Heat Loss. How heat loss occurs when diving, why it's a potential health threat and what you can do to insulate yourself from its effects By Alex Brylske
COMMENTARY
8 Editorial: La Familia By Alex Brylske
10 Buddy Lines: Flag Waving  
20 Dive Observer: International Coastal Cleanup and other news from the diving industry By Gene Gentrup
117 No Dumb Questions: Equalization Issues, Training Requirements
Questions from our readers 		By Alex Brylske
DIVE EXPLORATION
94 Dive Geo: North America's Tropical Island Chain: The Florida Keys: Swaying palms, powdery beaches and tropical diving right here in North America By Lynn Laymon
123 Dive Traveler: Good Questions: What to Ask Before Your Next Dive Trip
How to get in the know before you go 		By Amy Gulick
126 Passport: Dive travel incentives around the globe
Compiled by Cathryn Castle 		 
130 Training Site: Diving the Canadian Rockies: The Lakes of Banff
High-altitude scuba training in a nature-lover's paradise. 		By Linda Lee Walden
EVERY MONTH
81 Scuba Skills: Surface Communications: Sent, Received and Understood
Ways to get your message across while afloat 		By Linda Lee Walden
89 Always Learning: Deep Thoughts: Know What's Below Before You Go
Mental preparation tips for your first deep dive. 		By Mark Twombly
85 Instructor Tips: Handling Physical Exertion: How to Help Students Breathe Easy in Challenging Situations. Ways you can prepare new students for dive aerobics By Jan Neal
103 Eco-seas: Who's Minding Our Oceans?: A Look at NOAA's National
Marine Fisheries Service. The author describes what these marine biologists do 		By Lance Milbrand
109 What About: Aquarium Volunteer: A View from the Other Side of the Glass. What it's like to be a volunteer aquarium diver. By Bret Forbes
113 Next Step: Sling Bottle: How to Rig and Carry a Sling Tank. Understanding sling slang, and uses for a spare cylinder By Jan Neal
128 Dive Shop: Summer Scuba Selections.
Compiled by Cathryn Castle 		 
136 What's That?: Flash and Substance: Barracuda Facts: The truth about a sinister-looking fish By Dee Scarr
139 Premiere Classifieds  
141 Classifieds  
145 Dive Training Quiz : Test your knowledge of the information in this month's issue  
146 Final Check: What It Looks Like When...You Don the Scuba Unit Safely.
Tips for good gearing up 		By Lynn Laymon