The Great Charade
Tiny shrimp camouflage themselves to avoid being eaten by predators. But some shrimp take this mimicry to a new level. Read more about mimic shrimp.
Alert Diver Issue: Q3 2010
Improving Cardiovascular Endurance
Cardiovascular fitness can be improved by the FITT principles. From frequency to timing, techniques you can boost your health and your endurance. Learn more about FITT and cardiovascular health with these tips.
Southern California Rig Diving
Southern California rig diving is exquisite and reiterates that sometimes the best diving is found in the unlikeliest places. Learn more about this diving in California.
Sidemount — Not Just for Cave Divers Anymore
Sidemount gear configuration creates a lower profile in the water enabling people to explore new environments easier. Sidemount is no longer considered something exclusive to tech divers and is moving into the recreational dive space.
The Validation of Dive Computer Decompression Safety
How do you determine what’s safe and what’s not? Dive computers have mostly replaced the common usage of decompression tables in rec diving. However, there is a lack of hard data on the validation of decompression safety. Read more.
Lung Expansion Injuries
DAN Medics answer your questions about dive medicine.
Don’t Assume
Self-diagnosis can lead to delays in the medical care you need. Never assume — and be sure to contact DAN.
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.
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.
