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Documents the series of 147 tornadoes which struck the South and Midwest sections of the United States in April 1974. Includes extensive footage of the tornadoes in Xenia and Cincinnati, Ohio and i...
Shows a skilled ceramist applying designs on several ceramic pieces prior to final firing. He uses the clay itself, a comb, a piece of burlap, or clay stamps to create textured designs. Other decor...
Traces the development of the Good Neighbor Policy, the Rio Treaty against aggression, and the Organization of American States set up at Bogota. Describes the importance to the Western Hemisphere o...
Shows the organization of the The New York Times and the vast interrelationship of the numerous departments. Then illustrates the methods for giving up-to-the-minute news, and stresses the need fo...
United Productions of America; Howard T. Batchelder
Summary:
Through animation, the film compares and contrasts the "assembly line" kind of educational process with one that is tailored to meet young people's needs. Shows how in the former little or no cons...
Joseph Moray; National Council of Teachers of Mathematics; John M. Davidson
Summary:
Delineates interesting facets of the development of our decimal system. Compares the additive, subtractive, multiplicative, and positional notation aspects of the Chinese, Babylonian, Egyptian, and...
Portrays the role of developmental genetics in dealing with ways phenotypes come into being through the action of genes. Presents a complete discussion of the Creeper domestic fowl--its genetic bas...
Describes the ways in which genes produce phenotypic differences by acting very early in embryonic development. Shows that this action may take place at a distance through chemical messengers (pitu...