Discusses how scientists use submersibles to explore the depths of the ocean, surveys the development, operation, and equipment of the Johnson-Sea-Link sub, and describes a typical dive to the bottom of the sea.

In 1969 off the California coast, a US Navy crane carefully lowered a massive tubular structure into the waters. It was designed for an elite group of divers to spend days or even months at a stretch living and working on the ocean floor. The video tells the little-known story of the daring program that tested the limits of human endurance and revolutionized undersea exploration.

Someone is trying to sabotage the underwater habitat where Imina, the granddaughter of an Inuit shaman, lives after terrorists have infected the earth's food supply, and Imina must call on her still undeveloped magical skills to save the colony.

Explore 100 breathtaking scuba diving sites around the world--from the cenotes of Mexico to the best wreck in Micronesia--through stunning National Geographic photography, expert tips, and cutting-edge travel advice. Filled with more than 350 images from National Geographic, 100 Dives of a Lifetime provides the ultimate bucket list for ardent scuba divers and aspirational travelers alike. From diving with manta rays at night in Kona, Hawaii, and swimming...

Simple text and detailed illustrations combine to answer the question of each title in this series in clear, step-by-step stages, with clarifying experiments offered where appropriate.

"How do you breathe underwater? What tools can we use to go deeper and deeper into the oceans? And--what's down there? Two-thirds of our Earth is covered in ocean, yet only 5% of it has been explored. Dive deep into our long history of sea exploration to learn why, how, and when humans have dived, and uncover our biggest questions about what hides in the Earth's deepest waters"--

- Back to the surface.

Dirk Pitt faces the most formidable foe of his career when he encounters billionaire shipping magnate Qin Shang who is obsessed with salvaging the Princess Dou Wan, a ship reportedly loaded with Chinese art treasures--including the bones of Peking Man.

The untold story of the sinking and finding of the unsinkable ship.