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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...
Briefly reviews the history and present status of gymnastic competition. Gymnasts with varying degrees of skill are shown going through routines on the still and flying rings, the side horse, the ...
A credit course in The New Biology, a presentation of Learning Resources Institute, Columbia Broadcasting Systems, in conjunction with the American Institute of Biological Sciences. The course is p...
The scene is Virginia, 1765, just after the King's tax proclamation has been read and the legislature is in an uproar. Ensuing events lead to a protest meeting held by patriots at Richmond, at whic...
Describes the physical geography of Australia and some of its natural resources, such as wheat, cattle, wool, and timber. Shows how the use of these natural resources has determined the development...
Uses scenes of the geyser area of Yellowstone National Park to portray today's remnents of the earth's activities during formation. Introduces the theme that man has arrived too late to see more th...
Explains how living things use energy provided by the Sun. Plants and animals alike rely on solar energy. Demonstrates how different kinds of energy are converted to different forms.
Amateur actors, members of a rural youth association in northwestern Senegal, perform in a play about the conquest of their region by the French in the 19th century. Performed in French with Engli...
Reviews Greek history by showing pieces of sculpture from each historical period from 300 B.C. to A.D. 300 and the related architecture. Sculpture proceeded from small animals buried in tombs to la...
Tells the story of a boy's trip to visit friends in Costa Rica. He lives in the home of an upper-class Costa Rican family, sharing their life and activities. He goes to see the public schools, the ...
The development of Tennessee Valley Authority, describing the benefits to the people. Includes conditions before TVA and various changes that TVA brought.
Presents physical education as an essential part of the modern school curriculum. John Glenn explains why the astronauts need to be ready physically and mentally for space travel. Describes how bod...
Points out the chief truck farming areas of the United States and gives a detailed picture of the activities on a truck farm in the Rio Grande Delta. Portrays the planting, irrigation, spraying, h...
Explores a romance between a black, eighth-grade girl and a white, high school boy in terms of its implications in the black community. Reveals that the girl feels intimidated by youths her own age...
Explains what war gas is, how it is used by the enemy, and how simple household items, such as bicarbonate of soda and bleaching solution, may be used to prevent casualties.
Presents the home life and work of lumbermen in Oregon. Shows how the men work together felling trees, measuring logs, transporting logs by truck, train, raft, and ship, and storing and sorting in ...
Shows the preparation and use of photographic slides in instruction. Suggests various sources of pictures and shows how pictures can be photographed by the teacher or copied from other printed matt...
Shows how pigeons are taught abnormal behavior patterns by means of selective reinforcement of response and how the removal of the reinforcement causes the gradual extinguishing of the learned resp...
