Plus, chronic back pain and diving, kids and DCS, and finding a decent insect repellent. Other questions covered: When Is It Safe to Exercise After Diving? How Do I Keep Bugs From Biting Me? Did DCS Cause My Chronic Back Pain?

Lots of batteries mean lots of light. But we tell you which lights make best use of all the power.

Your dive buddy just ran out of air and he's coming for you. Is your octopus reg up to the job?

Once bordering on extinction, California's black sea bass are staging a big comeback.

Lost under water? We can help. Lost in the Wal-Mart parking lot? You're on your own.

Sometimes just getting there ready to shoot can be the hardest part.

With new technology comes new problems. Here are solutions to two common frustrations of digital underwater photographers.

Sure, digital allows you to improve your photos after the shoot. But you can't fix what's not there.

#5 "That whale shark pictured in our brochure is the only one we've seen in 20 years of diving here."