DAN Instructor Saves a Life

As a dive professional, I enjoy seeing divers coming out for their first ocean dive. A new diver is easily excited by every little detail, and it takes just one wonderful experience underwater to make diving a lifetime hobby. 

The author got the diver to the stern and removed his gear in record time, and the captain hoisted him out of the water and onto the deck.

Bay Islands of Honduras

Explore the Bay Islands of Honduras, home to stunning reefs and vibrant marine life. Discover underwater wonders waiting for you.

Caribbean reef squids measure up to 12 inches (30 cm) long and frequently change colors and patterns, including when interacting with others.

Preventing Mask Squeeze

Imagine descending to a beautiful reef. The water is clear, fish glide past, and then you feel a strange pull on your face, like the mask is trying to suction itself onto your eyes. When you surface your eyes are red, swollen, and possibly bruised. The cause was mask squeeze, a common but preventable dive injury.

Stephen Frink at the eye doctor.

The Culture of Freediving Safety

Uncover the importance of the culture of freediving safety in maximizing fun and minimizing risks during your underwater adventures.

A freediving student performs a static apnea at depth in confined water.

Solomon Islands Evacuation

Learn about the unexpected Solomon Islands evacuation during our diving holiday in paradise and its shocking aftermath.

Allen breathes supplemental oxygen during a helicopter transfer to Honiara Hospital with Marco by her side.

The Evolutionary Puzzle of Fish Colors

The wild, psychedelic colors of reef fish are often what first enraptures divers. Is there an evolutionary explanation for why small, tasty animals adorn themselves in vivid colors instead of camouflaging themselves from hungry predators?

Milletseed butterflyfish

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.

Humpback Whales

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