Watch North America: Its Plains and Plateaus Free Online on Hurawatch. This documentary shows the characteristics and location of major plains and plateaus of North America, and discusses some of the ways in which they have affected man's use of the land.
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A cinematic and musical odyssey that explores the remarkable relationship between humans and rivers. Throughout history, rivers have shaped our...
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Views of the earth from the ground, from a plane and from a space ship show major features of the land, the oceans and the atmosphere.
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Through animation, maps of the same scale and projection are combined to show relationships between natural features of the earth, human use, and...
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Uses animation, wave tank, live-action photography, and underwater models to show how waves develop, how coastlines are shaped, and to describe the...
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Documentary film about the Czechoslovak natural science group's expedition to Iceland in June 1948.
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Many geneticists and archaeologists have long surmised that human life began in Africa. Dr. Spencer Wells, one of a group of scientists studying the...