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Immersion pulmonary edema (IPE) is observed in swimmers and divers with no apparent underlying medical condition. Pulmonary edema is an abnormal leakage of fluid from the bloodstream into the alveoli. Our experts answer your IPE questions.
Ghostpipefishes are incredibly hard to find — spending most of their short lives in the open ocean as bits of plankton before eventually settling in protected coastlines, where they discreetly blend into the shadows and breed. Read more about encounters with ghostpipefish.
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Otto Rutten is the associate operations director for the Aquarius Reef Base located in the waters of the Florida Keys. Read more about Rutten and why he is a DAN member.
Dive masks are critical pieces of dive gear enabling someone to do so much. Get the basics on dive masks.
“The Living Museum” is a protected area where an ancient pirate shipwreck, artifacts and rare corals can be visited. Learn more about this protected site.
Hydrothermal vents are underwater volcanoes that play an important role in the ocean’s temperature, chemistry and circulation patterns. Read more about hydrothermal vents and their importance to scientists.
Blue-water photography takes place in water so deep, you never see the bottom. The environment is huge and you drift with the currents. In blue water, cutting-edge photography can occur.
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