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.
Alert Diver Issue: Q2 2012
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.
Dive Your Desktop
Get your oceanic fix with a web-based game and service called theBlu.
Reports from the Lionfish Front
Lionfish are an invasive species and have been found all over the world. But the volunteerism of divers and even sharks has helped decrease these surging populations. Read more about the current state of lionfish.
