THE OFFICIAL MAGAZINE OF DIVERS ALERT NETWORK

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Farewell

By Bill Ziefle

Q4 2025

After 26 years at DAN, I am moving on to the next chapter of my career. I’ve served as president and CEO of DAN for 16 years, but my involvement with the organization started even earlier.

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Craig Nelson, MD

By Thomas Powell, PhD

Q4 2025

As someone who loves, teaches, and works in the world of scuba diving while also focusing on community service and improving safety, I am often surrounded by amazing people, such as Craig Nelson, MD.

Hydro Training

Text by Jessica B. Adams, PhD, and Lucas Adams; photos by Stephen Frink

Q4 2025

Joint stability and core strength can significantly impact your dive experience, especially when there is current or you are entering or exiting the water in full gear. One way to improve joint stability and core strength is to incorporate water into almost any traditional exercise that uses a bar or dumbbells. The basic premise is that moving water forces your body to use more stability. You can purchase hydro training equipment or make your own.

Beneath the Fin

By Mikki McComb-Kobza, PhD

Q4 2025

Sharks are among the ocean’s oldest survivors. They have cruised through Earth’s seas for more than 450 million years — long before the first trees grew or Saturn formed its rings.

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