822. Farmers of the Andes : plateau agriculture (12:02)

Date:
1947
Summary:
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 the role of the llama, alpaca, and vicuña in providing meat, milk, and hides for these farmers; illustrates how corn and wheat are irrigated by ditches dug by ancient Incas; and shows views of the primitive methods used in threshing and winnowing.

823. Revolutions in science (29:32)

Date:
1973
Summary:
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 discusses the emphasis upon biology since the dropping of the atomic bomb.

824. Giving the Rorschach test : Klopfer method (10:35)

Date:
1951
Summary:
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 structures the pattern through animation to fit the concept as seen by the subject. Concludes with review questions concerning the administration of such a test.

825. India: A Better Tomorrow (16:55)

Date:
1962
Summary:
Contrast of old and new India. Geography, religion, climate, crops, clothing and economic conditions. Important cities.

826. Waves across the Pacific (31:37)

Date:
1966
Summary:
A film record of the expedition led by Dr. Walter Munk of the Scripps Oceanographic Institute which tracked a family of ocean waves from their birth in the turbulent waters of the Antarctic to their death on a peaceful Alaskan shore.

829. The long journey west : 1820 (1:06:08)

Date:
unknown/unknown
Summary:
An account of a New England family's 78-day trip in an ox cart from Massachusetts to Illinois, their day-by-day progress and hardships endured. Animated map sequences show the route followed. Folk songs are included for background.

830. Genetic investigations (56:51)

Date:
1961
Summary:
Presents some of the steps and procedures involved in conducting controlled breeding experiments and shows the results of some genetic crosses. Introduces three important areas of genetic research. Illustrates bombardment of fruit flies with X-ray and shows some of the obvious mutations produced in these fruit flies. Pictures a schematic model of the DNA molecule and presents questions concerning its structure, organization, and duplication. Uses animation to picture basic discoveries of inheritance.