Awesome oceans

Discusses the ways in which humans have used the ocean in the past and present for transportation and exploration as well as for a source of food and materials.

Describes the harsh conditions in the oceans around the North and South Poles and the variety of creatures that live in them.

Describes the animals and plants that live in and around tropical seas.

Examines some of the more unusual or dangerous creatures that inhabit the ocean, including the blue whale, giant squid, jellyfish, viperfish, and the whale shark.

Describes the various types of ocean storms, such as hurricanes, tsunamis, and storm surges, and explains such phenomena as tides, currents, El Ni?o, and La Ni?a.

Describes the migratory habits of a variety of marine mammals, fish, and shorebirds, explaining how and why they make their long journeys.