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The Ocean Blog

Chris Meyer takes his nephew’s friend, Flat Stanley, for a dive in Moorea.
Ice divers Katrin Iken (left) and Elizabeth Siddon are about to descend through a hole in the Arctic ice and into the frigid world below.
It takes special equipment and many warm layers of clothing to dive safely beneath Arctic sea ice . Ice divers look for holes in a melt pond in order to enter the frigid waters.
Hidden beneath Arctic ice is a world few have ever seen. Take the icy plunge with a team of ice-loving scientists.
Auster gets ready to study fish predators at Gray’s Reef National Marine Sanctuary off the coast of Georgia.
Laurie Penland is a professional photographer and the Diving Officer for the Smithsonian Institution .
"Inside the Open Ocean: Blue Water Diving" produced by Woods Hole Oceanographic Institution (WHOI) , describes a specialized diving technique that lets biologists study the ocean's most fragile...
Two divers, one in an atmospheric dive suit (left) and the other in standard dive gear (right), prepare to explore the Lusitania shipwreck in 1935. Over the decades, diving gear has evolved and...
A scientific diver collects data on an underwater slate. Over the past several decades, scuba diving has become a serious, rigorous research tool that has an enormous impact on our understanding of...
When we think "Africa," we think of the "Big Five"—lions, elephants, leopards, buffalo and rhinos—that crisscross the African Savannah. Few would imagine that there could be more natural beauty on...
Manta rays are related to sharks, but have quite a different reputation among humans. They are often called the gentle giants of the sea because of their curious nature and graceful movements. This...
Dr. Peter Auster gets ready for a dive to study the ecology of fish predators at Gray’s Reef National Marine Sanctuary off the coast of Georgia.
The world beneath the Arctic ice is magical, but cold. Divers have to tolerate temperatures of 30 degrees Fahrenheit (about -2° Celsius.) To stay warm they wear thermal undergarments and use special...
The Smithsonian Institution's Dive Officer documents a "swirling monster" of plastic trash that she encountered while diving in Belize.
Arctic Ice diver Shawn Harper “stands” on the ice ceiling above him.
A cameraman navigates a smack of sea nettles ( Chrysaora fuscescens ) in Monterey Bay. A group of jellies is known as a "smack."
Jacques Cousteau once said, “When you dive, you begin to feel like an angel." It’s true. When a diver dons a tank and slips into the water, the noisy clatter of the world disappears and the sensation...
Scientists on the tiny island of Moorea, in the Pacific, are gathering one of every life form large enough to pick up with tweezers. They're on a quest to build a detailed catalog of the entire...
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