Diving Florida’s Springs

Florida is home to the world’s largest concentration of freshwater springs — the Florida Geological Survey has identified more than 1,000 statewide. There are about 33 first-magnitude springs discharging at least 100 cubic feet (2.8 cubic meters) of water per second.

Rebreather divers enter the Little River Springs cave system

Lateral Training for Injury Prevention

Lateral training targets the abductors, adductors, and stabilizers — muscles that people often overlook in traditional workouts. Training in the frontal plane with these exercises helps correct muscular imbalances and enhances overall strength and control.

Lateral Leg Raise

Humpback Whales in Rurutu

Each year humpback whales migrate from their feeding grounds in the Southern Ocean to the Austral Islands, where they use the sheltered waters around Rurutu as a calving and nursing area. Observers there can document the whales’ natural behaviors with minimal disturbance.

Baleines à bosse

Beavers: Nature’s Ecosystem Engineers

In search of beavers, my colleagues and I followed the Cap-Chat River on Quebec’s Gaspé Peninsula to a village of immaculate, steep-roofed houses that shares the river’s name. Near the […]

Beaver swimming

Exploring the Avelo System

As the field of recreational diving continues to evolve, DAN remains committed to being at the forefront of safety and scientific advancement. The purpose of this article is to educate […]

The Avelo System is a reimagining of buoyancy in scuba diving.

RumPowered Research

L’un des derniers espaces véritablement sauvages de l’Atlantique se trouve au large de la côte nord d’East Caicos, battue par la houle, dans les îles Turks et Caicos (TCI). 

Guest citizen scientist Amanda Endean works on cleaning the TCRF’s staghorn nurseries.

Lost at Sea

The eight species highlighted here are recognized as at risk by the IUCN, the U.S. Endangered Species Act (ESA), or the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), which regulates trade.

The Napoleon wrasse, or humphead wrasse

Rachel Novak

Explore the life of Rachel Novak, a pharmacist turned glamorous stunt performer and passionate scuba diver, embracing adventure.

Rachel Novak

Underwater Video 101

Explore Underwater Video 101 and discover tips for shooting, editing, and sharing your underwater adventures effortlessly.

Diver using smartphone with an underwater housing

In-Water Recompression Survey

In-water recompression (IWR) is a controversial topic in dive medicine. Some people think it is a potentially lifesaving last resort for a diver exhibiting symptoms of decompression illness (DCI) when far from definitive care. Others emphasize the evident risk of potentially making a bad situation worse.

Emma Kate looking at a DAN In-Water Recompression article