Synchronized Spawning
Spawning enables corals, starfish, brittle stars, sea cucumbers and other marine critters to mate. They release eggs and let them mingle in the water. Learn more about spawning.
THE OFFICIAL MAGAZINE OF DIVERS ALERT NETWORK
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Dr. Nick Bird
When you look at the paths of Dr. Nick Bird and DAN, you realize they aren’t parallel, but instead are on a course destined to intersect. Meet DAN’s first-ever chief medical officer, a man of passion and vision.
Ocean Views 2010
View the winners of the inaugural Alert Dive Ocean Views photo contest. The winners showcase the best in nature and wildlife photography.
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The Boat Left Without You: Now What?
Signaling gear is incredibly useful in a variety of situations — including when the boat leaves without you. Here’s how to purchase signaling gear and what to do.
Renewed Hope for the Reefs of the Coral Triangle
The Coral Triangle, a particular section of the Western Pacific, is on the path of comprehensive conservation. Read more.
Convergent Evolution
Imaging technology is rapidly changing, and new cameras can capture both still and motion pictures. How do you handle this convergent technology? Read on.
Lembeh and Beyond
Lembeh is an island off the northeast coast of Sulawesi and is home to great diving. North Sulawesi is more than just the macro-mecca of Lembeh. Explore the northern islands for clear water, critters and active volcanoes — above and below.
As the Prop Turns
Propeller safety should be taken as seriously as every other aspect of dive safety. Much of the responsibility certainly lies with the pilot of a boat, but there are several things divers can do to help increase their safety margin when sharing the water.
Field Management of Heat Illness and Hypothermia
Managing a patient’s heat illness or hypothermia can be tricky — do you know what to do? Learn the field management practices of these two conditions to ensure a patient remains stable.
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