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Ana Maria Avila ...

A one-minute stop at half your maximum depth may help prevent decompression sickness.

#9 You had split fins years before they were invented.Kevin S. of Toronto, Ont./

The risks of DCS, running low on air and nitrogen narcosis increase as you go deeper. That's why you need our plan.

Friends and colleagues of Matt Isham, a dive instructor at Kauai's Blue Dolphin Dive Charters, are raising funds to help pay medical expenses after a training accident led to the amputation of the 25-year-old's left leg.

Do you have what it takes to be a technical diver? Are you a diver with the skills, the grit, and the mental focus to go to 200 feet (or beyond) and safely return? Find out this October at Tech Diver Boot Camp.

Here's our annual product excellence awards for dive computers, brought to you by Rodale's ScubaLab, the only independent testing facility of scuba life-support equipment.