Sounds of Science: What Fish Sounds Say About the Health of the Sea

Some fish talk a lot, or at least they make a lot of noise underwater. Researchers know this and have their microphones pointed toward them, recording a whole lot of grunts, chirps, thumps and even oop-oops. Now researchers studying these underwater vocals are beginning to understand exactly what it is they are hearing and how it translates to ocean health.

Sharing the Adventure:

The Buddy System Re-examined

While solo diving using safe protocols gains wider acceptance among divers, tradition still rules. The buddy system has for a long time been the preferred path of divers, providing them not only with a social partner but, more importantly, someone who can double-check dive equipment and look out for their welfare above and below the surface.

By Lynn Laymon  

Burning Down the House:
What Divers Should Know… And Do… About Tourism

The largest industry on earth, tourism accounts for 11.4 percent of all consumer spending, employs nearly 10 percent of the global workforce and comprises more than 6 percent of the global gross domestic product (GDP). That's the good news. But tourism has another side that does not always command the same attention.

By Alex Brylske

Editorial: Glued Together

Dive Observer: California Commission Approves 29 Marine Protected Areas

And other news from the diving industry

No Dumb Questions: Can an All-Natural Diet Limit Decompression Sickness, and Can Coral Grow Inside Human Skin?

Questions from our readers

Global Dive Exploration Map

A geographical guide to great dive destinations across the globe

Dive Geo: Belize: Diving the Great Maya Reef

Diverse topside attractions

Dive Traveler: Desynchronosis:
It's Nothing but Jet Lag

How to get your body back in rhythm

Training Site: Bull Shoals Lake, Arkansas
An Ozarks Oasis for Divers ‘Caribbean of the Midwest'

Passport:

Dive travel deals from all over

Diving USA

Dive travel opportunities across America

Scuba Skills:  Scuba Unit Removal and Replacement in Midwater: Solving Problems
When the Bottom is Out of Reach

How to get out and in again easily

Instructor Tips: Is it Really That Simple?
The Mental Side of Mask Clearing

Put yourself in your students' fins

By Robert N. Rossier

Always Learning: Sixgills in Seattle:
The Adventure Continues

Two old buddies in the city, with sharks

What's That?: The Element of Surprise:
The Attack Strategies of Ambush Predators

Why their prey never saw it coming

Behind the Lens: Going Vertical

A different frame of mind

Dive Training Classifieds

Final Check: What It Looks Like When…
You Play It Safe on the Surface

How to maintain comfort