High on Mercury
Grouper populations are on the rebound thanks to protection efforts. But a major threat to these fish remains: mercury.
Alert Diver Category: Dive Slate
School of Sharks
School is in session! Shark experts pooled together in the nonprofit organization Sharks4Kids, teaching families around the world about sharks — setting the record straight.
The Keys to Our Hearts
In 2016, DAN conducted research into the effects of diving on heart rhythm. Learn more about the research, methods and some early results.
Carbon Monoxide: The Silent Killer
Carbon monoxide (CO), an odorless, tasteless and invisible toxic gas that could find its way into your scuba cylinder, has caused the deaths of divers all around the world.
A New Mission
Force Blue involves highly skilled military veterans in marine conservation efforts. The veterans work with marine scientists on initiatives including invasive species (lionfish) removal.
DAN Member Profile: Cristina Mittermeier
Cristina Mittermeier has been recognized as a Sony Artisan of Imagery, one of Outdoor Photographer magazine’s 40 Most Influential Nature Photographers and a recipient of the Nature’s Best Photography Windland Smith Rice International Conservation Photographer of the Year award.
Diving with Dinosaurs
Considered critically endangered, smalltooth sawfish are under pressure from anglers who would take their rostrums as souvenirs and from the shark-fin trade. Many divers can go their whole lives without seeing one.
Member to Member: Sunscreen and Coral
Sunscreen pollution is a serious threat to the world’s coral reefs causing fast degradation. But, divers can combat the effects of this pollution with simple steps.
So Others May Live
Can your training prepare you for absolute worst conditions? One writer took the challenge to find out what it was like being a rescue swimmer.
DAN Member Profile: Andy Casagrande
Andy Casagrande is an award-winning cinematographer and a DAN member. He’s also obsessed with sharks. Read his story.