Low-vis diving lets you expand your range. Get more dive training and scuba safety tips at scubadiving.com

A complete guide to scuba diving with nitrox, also called enriched air, and what it takes for scuba divers to get their nitrox certification.

A step-by-step guide to safe wreck diving, featuring Key Largo's *Spiegel Grove*.

A rescue class can save your life and make you a better diver in the process.

Every scuba diver should be prepared for an emergency. When you face unexpected problems underwater, no one is in a better position to solve them than you are.

Can diving be too much fun? The dangers of nitrogen narcosis and how you can avoid them.

Customizing your dive gear for greater safety and comfort. Plus: 12 "improvements" you should never make.

How to radically stretch no-decompression limits and live to tell about it. Get more dive training and scuba safety tips at scubadiving.com

In Rescue Diver training, our writer learns to save a diver in distress, and manages to save his pride in the process. For more advanced diving training tips, visit scubadiving.com