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Oceanographer Sylvia Earle bears witness to troubling changes in our oceans in the documentary Mission Blue.
Now that federal funds have dried up, Florida's Aquarius undersea lab faces an uncertain future.
James Cameron, Sylvia Earle, and John McCosker talk about the sights and creatures of the deep ocean.
Are there some challenges that are beyond us, despite money, intelligence, and desire?
Ira talks with ocean explorer Sylvia Earle about the state of the world's oceans, and what actions need to be taken to protect them from catastrophic damage.
An update to the Google Earth program adds new data on the rest of the planet -- the oceans.
A worldwide effort is underway to perform a census of the world's oceans, pulling into one location information about species from around the world. We'll check in on the progress of the project.
Fossil remains of an ancient pregnant whale suggest that the animal gave birth ...
Psychologist Diana Reiss discusses communication and cognition in dolphins.
Biologists are using data tags and a National Geographic Crittercam to study the...
What happens when a dolphin catches a cold? No, it's not a trick question. In th...
Underwater digital tags show humpback whales use bubbles to trap schools of fish...
Humpback whales blow bubbles around schools of fish to concentrate them for easier capture. It's called a bubble net, says David Wiley, research coordinator for Stellwagen Bank National Marine Sanctuary, and it's visible as a ring of bubbles at the surface. Now, with underwater digital tracking tags and custom visualization software, whale researchers can see what the whales are doing underwater when they're bubble-netting.