DAN Member Profile: Michael Lang
DAN member Michael Lang is an accomplished scientist who made significant contributions to Antarctic science. Read more about the career of Lang and his interest in marine science.
Alert Diver Issue: Q2 2011
Scuba Geocaching
Geocaching is a sport of high-tech treasure hunting and as popularity grew, it soon went underwater, too. Scuba geocaching combines the thrill of treasure hunting with scuba for a fun experience. Learn more about scuba geocaching.
DAMSL: Bringing the Underwater World Online
DAMSL is a free educational resource for students, educators and divers to learn more about the marine world. Learn more about DAMSL.
Fish Bait
Frogfish are major draws for naturalists and divers — they are unique and well-adapted hunters. Thanks to a tiny rod in its head, they can tempt meals easily and efficiently. Read more about frogfish and their unique hunting rituals.
Exercises to Improve Body & Brain Power
Exercise is a powerful tool to optimize brain function and scuba performance. Here’s a sequence of complex exercises to boost your fitness and make you think.
The Quarries of Northwest Ohio
Ohio is more than a flat cornfield. Northwest Ohio quarries are unknown diving gems. Divers can practice their skills and explore unique attractions sunk specifically to entertain divers. Read more about diving in Ohio.
Third Time’s a Charm
Decompression sickness (DCS) is layered in variables and unique to each person. An experienced technical diver discusses their three DCS diagnoses and how they’ve since made adjustments.
Diving in the Dark
Diving at night is a memorable experience because many nocturnal creatures come out to mate and feed. It requires a bit more equipment and training, but you can easily make your night dives as enjoyable as those in the daylight.
Could Breath-Hold Diving after Scuba Cause Decompression Sickness?
Breath-hold diving after scuba diving may lead to decompression sickness in extreme breath-hold diving. Read more about this link with breath-hold diving.
How Good Is Your Emergency Plan?
Emergency plans are vital and as you prepare, you need to ensure your plan encompasses a variety of scenarios. Good emergency plans reduce feat and anxiety. How good is your plan?
