Dehydration turns your blood to sludge and mind to mush. Here's how to avoid running dry.

Tighten, loosen, pick or pry--when you're on the go, you need a tool for the task at hand. Scuba tools sport Swiss army knife-style bodies into which are folded a bevy of wrenches and drivers designed specifically to keep you from being left ...

Scuba Lab and two teams of female test divers put 17 models to the test and found six clear standouts.

January 2003 By John Brumm Computers Reviewed in This Article AERIS Atmos 1 AERIS Atmos 2 AERIS Atmos ai CRESSI-SUB Archimede DACOR Darwin ...

Looking for scuba fins? Find the results of Scuba Lab's fin test.

ScubaLab reviews the good, the bad and the deeply troubling.

From pelagic-rich seamounts to World War II wrecks to the primal landscape of the Southern Highlands, we'll take you on a tour so vivid you can almost taste the betel nut.

Deepwater Blues (Pacific blue sharks)

Set a course. Whether you follow a compass course from the anchor line or lay out a guide line or do both depends on how much you can see. So does the route you follow. In the worst conditions, a short, straight out-and-back route is probably ...