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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 ...
