Striped Marlin
Striped marlin can swim thousands of miles and are found in vast tropical and subtropical oceans. They feed on fast-moving prey and are highly migratory.
THE OFFICIAL MAGAZINE OF DIVERS ALERT NETWORK
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Enchanting Manatees of Crystal River
Manatee populations in Florida are on the grow and thriving. Visitors to the area can go below the water’s surface to see these magnificent creatures up close.
Hooked on Hookah Diving
Understanding the way hookah systems work and knowing how to manage their associated risks will allow for an efficient and enjoyable hookah diving experience. It can be a safe and fun way to introduce people to the underwater world.
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Conservation Photography
Images have the potential to spark conversations that change our world, but photographers must get down in the trenches on the frontlines of conservation, where it’s frequently uncomfortable and sometimes just plain terrifying
Researcher Profile: Weigang Xu
Head of the only organization in China eligible to train dive physicians for military, commercial and recreational diving, Dr. Weigang Xu has published more than 100 papers.
Performance Under Pressure
Gas density is one of the unknown mechanisms on the forefront of hyperbaric research. In another decade we could have equipment that makes gas density a nonissue. For now we’re left to carefully mix our gases and learn all we can about human performance under pressure.
Dynamic Kettlebell Exercises
Need to spice up your workout routine? Intimidated by kettlebells? These exercises with step-by-step instructions will help you master this versatile piece of equipment.
Equipment Maintenance
It’s easy to get complacent about performing routine equipment maintenance because we think expensive equipment should be made to last longer or that we’ll have more time to do it later. But planned maintenance is key to preventing equipment failures.
Freediving Safety
People outside of the freediving community consider it to be a dangerous, extreme sport, but following proper safety protocols makes it quite safe.
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