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Discusses the effect of various levels of inbreeding (self-fertilization, sib matings, half-sib matings, cousin marriages) upon making heterozygous genes homozygous with the consequent loss of vigo...
Portrays the frequency of mutants in the population gene pool as dependent upon their rate of origination and selection coefficient. Discusses the population fate of dominant lethals (retinoblasto...
Demonstrates through slow motion and natural photography the positions and movements of the "Hoosier Promenade." Opens with a group of eight dancers performing the introduction to the dance. Shows ...
Uses animation, slow motion, and real photography to demonstrate the positions and movements of dancers and dancing couples in the "grapevine twist." Shows each part of the dance separately and the...
Teaches the square dance figure "Take a Little Peek," with synchronous music and action. Presents live and animated demonstrations of the dance at regular speed and in slow motion, and explains the...
Demonstrates through slow motion and natural photography the positions and movements of the "Texas Star." Opens with a group of eight dancers performing the introduction to the dance. Shows each pa...
Demonstrates various methods of preparing materials to be used on different types of still projectors. Explains that instructional materials may be prepared for projection by utilizing their qualit...
**WARNING: CONTAINS GRAPHIC IMAGES OF LAB TEST ANIMALS** Illustrates the basic techniques of obtaining germfree environment, germfree animals, and methods of germfree miantenance. Demonstrates the...
Describes the states of Texas, Louisiana, Mississippi, Alabama, and Florida as comprising the Gulf Coast region of the United States. Picture crops in Florida and explains that these crops are gro...
Shows the geological influence on local distribution of plants in the non-glaciated area of southwestern Wisconsin. Highlights many soil conditions and the variety of plants in their region. Catego...
Illustrates abnormalities in gait caused by pain, structural defects and deformities, neuromuscular disorders, and a combination of these causes. Details technical symptoms of the gait and posture ...
Demonstrates the use of high contrast photography for the preparation of 2" x 2" and 3 1/4" x 4" negative and positive slides, transparencies, and overlays for overhead projectors and for printing ...
Demonstrates the production and utilization of seven types of 3 1/4" x 4" handmade slides by teachers and pupils in various school situations. Stresses sources of picture material and special produ...
Shows the many types of letters and lettering devices which may be used to produce effective printing on such materials as charts, posters, and bulletin boards. Illustrates the use of rubber stamp...
Reviews the contributions of Mendel, the Hertwigs, and Miescher to our understanding of modern genetics. Discusses chromosome chemistry in terms of the cytological distribution of nucleic acids, t...
Shows how freedom was prized during World War II despite its high cost in desolation and hunger and how more fortunate peoples helped liberate Europe by fighting the threat of famine.
Part three in the "Artists at Work" series, this film spotlights three east coast painters, working in their studios.
Jack Tworkov, born in Poland in 1900, and a teacher for 15 years, was recently ...
"Grierson had always admired the documentary work of American filmmaker Robert Flaherty (Nanook of the North) and hired him to make Industrial Britain, though he and his staff ultimately had to com...
Presents a simple introduction to the study of earth materials. Shows in step-by-step sequences how the land evolved from the great mass of rock and water that was the early planet. Illustrates how...
This film follows the Chinese-American artist, Dong Kingman, as he carries a single painting through various stages to its completion. It introduces Kingman's finished work and explores the broader...
Documentary on modern applications of atomic energy. Explains, using cartoons, the chain reaction and heat production resulting from the fission of the atom. Shows the use of this energy in agricul...
Explains the concept of light years to address the distance between galaxies. Addresses the existence of millions of galaxies like the Milky Way, featuring photographs of some of them, along with ...
Describes the classification of the true fungi. Illustrates examples and characteristics of the phycomycetes and illustrates their life cycle. Discusses the slime molds. Shows several methods of co...
Dr. McGinnis and his six students in marriage counseling, discuss various counseling techniques used by the doctor in an initial interview with a young married couple.
Scenes of Frank Lloyd Wright's home near Phoenix, Ariz., illustrating his basic principle that buildings should blend with their natural surroundings. This home is built of boulders and redwood tru...
Vignettes of everyday life and events in two indigenous Mexican villages provide breadth of subject-matter for vocabulary exercise. Sentences of the Spanish narration are nearly all declarative, an...
Recreates the 1929 boom and '30's depression with special attention to the factors which led to the depression. Details government regulations designed to end the depression and help prevent future...
Over 5,000 miles of navigable waterways challenge man's ingenuity for construction of roadways in Louisiana. In the south, road builders have conquered the mire, building a highway across this wate...
Alistair Cooke interviews humorist James Thurber who reflects on events of his childhood and discusses the highlights of his career as an author and illustrator.
Uses actual scenes, models, diagrams to present a survey of the principal events which shaped London and the British Empire. Discusses the position of London on the Thames, the Roman conquest, the ...
This film follows developments in music through human history supplemented by visuals of art and architecture of the period. Traces ancient civilization through to the 18th century with a heavy con...
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 ...
Describes the farmers of the Andes as a primitive people without the benefits of technology, showing the tireless Incas who till the mountain soil at altitudes of 10,000 to 15,000 feet. Discusses t...
Bronowski examines the dilemmas and challenges posed by the scientific advancements of this century. He briefly discusses Einstein and his effect upon the scientific community and himself. He discu...
Illustrates the procedure of administering the Rorschach ink-blot psychological test through a sample interview between a subject and an examiner. Shows the ink-blot first in its true form, then st...