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Reliable measurement of oxygen is the technology that makes mixed-gas closed-circuit rebreathers (CCRs) possible. The first digital solid-state CCR sensor was made available in Spring 2017, and has greater accuracy and reliability.
Eggs are a dinnertime delicacy in reefs around the world, which means protecting nests is hard work. Ironically, the safest place to hide eggs may be in the mouth.
Located in the Gulf of Mexico, the Flower Garden Banks National Marine Sanctuary is home to a variety of sea critters and is a treat to dive.
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Lionfish pose a threat to native species as their numbers are skyrocketing out of control. The best way to solve the problem of invasive lionfish? A fork.
DAN medics and researchers answer your questions about dive medicine.
Although training emphasizes the theoretical aspects of safe freediving, sometimes it takes real-world experience to really make it sink in. Freediving is risky so it is always important to have your skills sharp.
Admit it: You hate performing sit-ups. (We all do.) But there are other ways to engage your core muscles and strengthen the area. Here are some great core exercises that provide strength and work other muscle groups.
Ingrid Eftedal, Ph.D., studies the genetic and molecular mechanisms involved in the body’s responses to diving. Eftedal’s diverse background includes work in molecular biology, forensic genetics, civil engineering, biophysics and medical technology.
If you have a history of head injuries, it may impact your ability to dive. Our experts answer questions pertaining to head injuries.
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