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Presents an analysis of bacteriophages and how they may change. Explains why bacterial viruses are useful to scientists studying different life forms. Uses diagrams and animation to show how bacteria reproduce within a cell and how mutations of these viruses can be identified. Describes the "copy errors" responsible for mutation, and the ways in which cross-breeding among viruses takes place.
Indiana University, Bloomington. Audio-Visual Center
Summary:
Presents several interviews with Vladimir Nabokov, during which he talks freely about his life and work, his feelings about what the literary masterpieces of this country are, and what he thinks of American writing. Discusses the way he writes, and his past. Shows him informally walking about the village of Montreux, Switzerland, collecting butterflies and playing soccer and chess. Closes with a discussion, by Nabokov concerning his forthcoming novel.
Tells the story of George Rogers Clark and his defeat of the British at Vincennes in 1778. Uses cartoons, maps, and photographs to illustrate conditions, fort locations, and how the British were conquered.
Dr. Popper bares the life and works of another great composer, Wagner, as he continues on his journey through opera for the layman. Several vocal illustrations are included, and Dr. Popper again spends much of his time at the piano.
Discusses the later works of Wagner and the conditions under which various of his operas were written. Describes the process of writing the Ring, ending with four complete works--Das Rheingold, Die Walkure, Siegfried, and Die Gotterdammerung. Demonstrates with piano and voice, portions of Wagner's two shorter works, Tristan and Isolde, and Die Meistersinger.
Curator Wilkinson returns on this program to present the story of the Nomad Scythians who ranged the Russian plains during the Sixth Century BC. Exhibits include examples of Scythian metal work, which was extremely avant-garde for that day. Discussion emphasizes the inventiveness, imaginativeness, and other cultural characteristics of these ancestors of the Russians.
Shows a group of fifth and sixth graders touring Washington, D.C. Includes a visit to the Capitol building where they tour the Statuary Hall, the Rotunda, the House chamber within the Capitol building, and meet with the Speaker of the House. Presents rare footage of a joint session of Congress.
In this program, Mr. Fitzpatrick discusses water color, which, because of its spontaneous, lucid quality, is intriguing both to the artist and the layman alike. Watercolor paintings by well-known painters, such as John Marin and Winslow Homer, are discussed as to subject, technique, composition, and total effect. The tools and materials of the craft are explained, and a variety of methods in their use are demonstrated, with emphasis on the creative approach. Experimental, contemporary examples of watercolor painting will be viewed and explained in relation to the processes previously demonstrated.
This program deals with water pressure. Uncle Wonder shows the various experiments that water has weight and that water exerts pressure in all directions. He shows why there is more water pressure at the bottom of the lake or can of water than anywhere else. He also explains that dams are thicker at the bottom than at the top because they must hold back more pressure at the bottom.