Describes types of industrial techniques involving biochemical products, specifying the advantages and disadvantages of batch and continuous processes, and contrasting biochemical and chemical engineering. See SE 506 318 for Part I. (AL)

Discusses the need for concurrent attention to methods of pest management when ecological changes consequent upon the introduction of new grains occur in large areas of the tropics. (AL)

Suggests that the course of scientific research cannot be planned, because, by its nature, it deals with the unknown. (AL)

Effective consumer practices are applied to the task of shopping for vocational education curriculum materials. This article appears in Manpower Research Visibility, a supplement to American Vocational Journal. (MU)

Describes and lists availability of literary maps for 25 American states. (RD)

Aluminum foil, because of its characteristics, can be used for many elementary science activities: demonstrating Archimedes Principle, how to reduce cohesion, reflection and mirror effect, fuse action, condensation, friction, and as containers and barriers. (BR)

Briefly explains the concept of resource units and their application to the dual tasks of determining specific objectives for a lesson and of selecting appropriate resource materilas." (Author/AA)

Provides a description of the physical and cultural barriers which have prevented the Sioux from adopting a more advanced economy. (Author/CP)