Maintaining Fitness on a Liveaboard
Vacations are supposed to be relaxing and fun, but if you feel up to it, you can certainly squeeze in some quick and effective workouts. Follow these instructions and exercises for a workout fit for a liveaboard.
THE OFFICIAL MAGAZINE OF DIVERS ALERT NETWORK
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Mighty Mouths
Certain kinds of fish love to open their mouths wide and yawn. It’s quite fascinating! Read more about these yawning fish.
DAN Member Profile: Jill Heinerth
Canadian-born underwater photographer Jill Heinerth discusses her illustrious career as a female cave diver. Read more about Heinerth’s work and current projects.
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Reports from the Lionfish Front
Lionfish are an invasive species and have been found all over the world. But the volunteerism of divers and even sharks has helped decrease these surging populations. Read more about the current state of lionfish.
Can Whales Get the Bends?
Decompression sickness (DCS) is a plague for humans, but what about in mammals? Understand the science between DCS and marine animal evolution.
Ocean Views 2012
Marine-life and underwater photography is not only an art but it takes deep commitment. Browse the winners of the 2012 Ocean Views Contest and celebrate these frozen moments in time — and the talents of each photographer.
Breathe In, Breathe Out
A scuba regulator enables humans to breathe regularly. Get the basics on scuba regulators.
Rebreathers: Boon or Bane
Popularity of rebreathers has skyrocketed — but how safe and useful are they for recreational divers? Learn both the benefits and hazards of rebreathers.
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