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Advanced Skills

Adventures in Live-aboard Diving

Make your next dive cruise your best vacation ever.

The Edge: The World's Most Epic Dives and Their Scuba Pioneers

The hottest, coldest, longest, deepest and highest dives in the world. The world's superlative sites and the people who pioneered them.

Rebreathers 101

Our technical editor confronts myths about rebreathers and argues that semi-closed systems make sense for recreational divers.

Make the Most of Every Tank

Does your tank have enough air for your next dive? Find out.

The Art of Escape

Wreck diving skills Houdini would love.

Dive Deeper, Stay Longer

Decompression diving can take you to greater depths, and your skills to a whole new level. Are you ready to push the limits?

10 Ways To Outsmart Narcosis

Because at 100 feet, most divers get narced.

Why Divers Panic

Plus, a bone and joint quiz and results from our online poll.

Calculating SCR (Surface Consumption Rate)

How long will a tank last you at a given depth? Here's how to find out.