Megalodon Ledge Diving
The indomitable megalodon shark, the largest fish that ever lived, tore its way through the whales and dolphins of the world’s oceans for about 13 million years before dying off about 2.6 million years ago.
Alert Diver Category: Dive Slate
Where Mermaids Fear to Tread
Technological advances have enabled divers to explore once hard-to-reach caves, including Weeki Wachee Springs in central Florida.
Cryptobenthic Fish
A recent study published in the journal Science shows the unexpected and remarkably large role of tiny, bottom-dwelling reef fishes for coral reef productivity.
DAN Member Profile: Dick Rutkowski
Dick Rutkowski spent six years in government service, co-created NASA’s Neutral Buoyancy Laboratory, wrote dive accident management manuals and more.
Member to Member: Cutting for Conservation
While working as a dive professional, I always carried a cutting device, which I rarely used. Although required by standards, it seemed like a “nice to have” rather than “need to have” piece of equipment. My experience off Mexico’s Pacific coastline taught me that cutting devices have a place on every dive trip. In a sea fraught with dangers, carrying a cutting device is just as much about rescuing corals from ghost-fishing nets or animals from discarded rope and plastic as it is about saving yourself or your buddy.
When One on One Come Together in Greenland
Greenland is anything but green, as an ice sheet covers about 80 percent of the country. But the surrounding waters have great dive opportunities. Divers are able to get below the frozen surface and explore frigid wonders.
Diving with a Purpose in National Marine Sanctuaries
The hope is that through advocacy for underwater cultural heritage preservation, local communities across the country will discover and appreciate what marine historic sites can teach us.
DAN Member Profile: Jonatha Giddens
Ocean ecologist Jonatha Giddens, Ph.D., uses a combination of art, journaling and storytelling for her scientific endeavors. Currently, she’s using video to compute biodiversity indices.
Member to Member: Beware Complacency
While you may be an experienced diver, don’t get too comfortable. Mistakes happen to everyone…at any moment. Note these common mistakes and learn how to avoid them for your future dives.
Finding Nemo’s Garden
This underwater farming experiment, which looks like something out of a Jules Verne novel, is in the Ligurian Sea, offshore from Noli, Italy. It’s called Nemo’s Garden, but the name doesn’t come from the animated lost clownfish.