Skip to main content
x

Training

Ask DAN: What Should I Know About Oxygen Toxicity?

Everything you always wanted to know about oxygen toxicity, including what's happening as well as signs and symptoms.

I'm From the Shark Bite Capital of the World. Here's Why I Love Diving with One of Nature's Most Misunderstood Predators

Alexandra Owens used to be scared of sharks—terrified actually. Once she learned to dive, the fear slowly put itself to rest. Here's her story.

Alexander Springs: The Best Dive Site in Florida For Newly-Certified Divers

Experience one of the easiest-to-dive Florida springs just outside Orlando, Florida. Affordable, shallow, and clear, there isn't a better place for a new diver to get comfortable in the water.

Are Sharks Mammals? (No!)

In this edition of Ask a Marine Biologist, Dr. David Shiffman answers one of the most-asked questions about sharks—are they mammals, fish, or something else?

What it’s Like to Play Scuba Poker

Each year in the midst of a chilly Colorado winter, this group gets together to play underwater poker for charity.

Say Cheese! How to Orchestrate Stunning Fish Portraits

Fish are always on the move, darting in and out of focus. While portraits can be challenging, these tips will help you take photographs that truly stand out.

Diving with Braces or Invisalign? Here’s What You Should Know

Ever wondered if orthodontics could affect your diving? Well, good news—for the most part, diving with orthodontics requires little adaptation, and isn’t all that different from diving without them.

How to Master Underwater Navigation and Dive Like a Pro

The more you dive using successful navigation, the more comfortable and confident you’ll become while seeking out new adventures.

Ask DAN: Can I Return to Diving After Surgery

Resuming diving after surgery should be assessed on a case-by-case basis and depends on complete recovery. Your surgical incisions need to be completely healed, and any complications, such as infections, must be resolved.