Filter Available Articles by Selecting a Category:
Filter...
Seemingly crafted for photographers, nudibranchs are slow-moving and vibrant and have adapted to curious shapes and sizes. Aside from their fascinating appearance and cute demeanor, they also play an essential role in science and have been the focus of study for many decades.
At up to 330,000 pounds (149,685 kilograms) and 110 feet (33.5 meters) long, they are the largest creatures to have ever lived.
ADVERTISEMENT
There’s no substitute for the feeling of being underwater — weightless, focused, and fully immersed in a world few people ever see. Whether you’re enjoying a favorite local spot or exploring a new site far from home, every dive offers something worthwhile: a moment of calm, a connection with nature, a skill refined, or an experience of community with other divers.
When a diver goes missing, the sea becomes a vast, indifferent expanse, turning a rescue effort into a race against time. Every second matters, and the right tools can make the difference between a successful rescue and a tragic recovery.
Ken Nedimyer’s connection to the sea began early. He put himself through college by collecting tropical fish and diving for lobster in the Florida Keys.
DAN Mission teams recently participated in a demonstration led by James Dalebozik, a hyperbaric chamber technician, on the operation and application of the SOS Hyperlite 1 portable hyperbaric chamber.
Smart travel begins with making informed decisions, and one of the most valuable tools available to U.S. citizens is the U.S. Department of State’s Travel Advisory system. These official notices outline potential risks and suggested safety measures to protect the welfare and security of U.S. citizens traveling abroad.
Jump rope training is a powerful full-body cardiovascular workout that builds muscular endurance, coordination, and breathing efficiency. Jumping rope strengthens calves, stabilizes ankle joints, and improves core stability, allowing finning with greater ease. It also requires focus and stimulates your brain.
ADVERTISEMENT