02:34
Survivors: Predators and Prey
The ocean provides home to a dazzling variety of life. Yet there was a time when early life forms faced a multitude of struggles that threatened their ability to survive. The evolution of adaptations to overcome these challenges enabled life to endu...
02:53
Survivors: Long-Term Survivors
Despite the challenges of long-term survival on Earth, some phyla-including sponges, jellyfish, arthropods and mollusks-have endured for hundreds of millions of years, even in the most extreme environments.
07:41
Over the Edge: Exploring the Deep Ocean Floor
Scientists have made great progress in their efforts to map the deepest parts of the ocean. But even with all the new technology that's available, our knowledge and understanding of the deep ocean is far from complete. In fact, we know more about th...