The Nature of Things

The Mohole : Earth's Crust (1x21)

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Dr. J. Tuzo Wilson, University of Toronto, talks with host Dr. Donald Ivey about the nature of the earth's core beneath its crust and the ways scientists have of finding out about it. Dr. William Bascom, National Academy of Science (U.S.) and head of Project Molhole, talks about the project, an attempt to drill through the ocean floor to penetrate the earth's crust. He discusses technical problems and what scientists hope to learn from the project. Includes: film footage of volcanoes; scientific research on earthquakes; oil-will drilling on land and off-shore; and animated graphic simulation of volcanos and earthquakes.