The Denizens of South Oz
From camouflaged dragons and the ocean’s most iconic apex predators to whiskered mischief-makers and tentacled giants, South Australia’s underwater inhabitants are unforgettable.
Alert Diver Issue: Q2 2012
Skin Bends
Skin bends can prevent unfamiliar symptoms and may go unnoticed or underreported. If you’re experiencing skin bends or unknown symptoms, call a doctor. Read an incident of skin bends.
Matters of the Heart
We’re all getting older — aging is inevitable — but our eagerness to dive is undiminished. This report by DAN’s senior director of research provides insights to help us continue diving for years to come.
Sunscreen and Environmental Safety
DAN Medics answer your questions about dive medicine.
Rebreathers: Boon or Bane
Popularity of rebreathers has skyrocketed — but how safe and useful are they for recreational divers? Learn both the benefits and hazards of rebreathers.
Medical Emergencies in Remote Environments
How you handle medical emergencies in remote environments is incredibly important. Read our best tips on a variety of plausible scenarios for dealing with these particular emergencies.
Ocean Views 2012
Marine-life and underwater photography is not only an art but it takes deep commitment. Browse the winners of the 2012 Ocean Views Contest and celebrate these frozen moments in time — and the talents of each photographer.
Eutrophication
Eutrophication is the excessive richness of nutrients in a body of water and can kill plant and animal life from a lack of oxygen. It can be caused either by Mother Nature or human involvement. Read more about eutrophication.
Can Whales Get the Bends?
Decompression sickness (DCS) is a plague for humans, but what about in mammals? Understand the science between DCS and marine animal evolution.
Breathe In, Breathe Out
A scuba regulator enables humans to breathe regularly. Get the basics on scuba regulators.
