Restless sea

Discusses how various underwater creatures have adapted to their environment in order to keep themselves safe from dangerous predators.

Explores the treasures found in the deep sea and introduces scientists who have learned to map the oceans with manned submersibles and underwater robots.

Looks beneath the ocean's surface at the shifting of tectonic plates, the relationship between ocean and climate, and the complex paths of currents that thread the seas.

Relates stories of people who have faced terrible danger on or near the ocean and explains common causes of deadly conditions at sea, such as hurricanes, as well as other dangers, such as piracy and terrorism.

Explains the impact of human activity on the world's oceans, looking at the problems caused by pollution, overfishing, global warming, and uncontrolled coastal development, and discussing the possible impact of ocean degradation on the future of life on Earth.

Describes the origin of the oceans, oceanic waves, tides, and currents, and the volcanoes and earthquakes that can cause tsunamis.