The continuation of a paper discussing chemical bonding from a bond energy viewpoint, with a number of examples of single and multiple bonds. (Part I appeared in volume 1 number 3, pages 16-23, February 1972.) (AL)

A brief review of the evidence that nuclear reactions are the main source of stellar energy, how nuclear reactions synthesize the elements, and how nuclear reactions determine the course of stellar evolution. (Author/CP)

Illustrates the determination of authenticity of paintings through radiochemistry which examines the half-life of uranium in white lead pigments. (CP)

A series of short articles describing enrichment programs which are designed to give students a chance to explore in depth those activities of special interest to them. (Editor/MB)

Provides a simplified, up-to-date summary of the electrochemical reactions in dry cells, including an account of some experimental results that provide the evidence for the view presented. (AL)

Describes techniques for the preparation of simple soaps and detergents that can be used, by students, to investigate their properties and the differences between the two classes of compounds. (AL)

Describes the importance of the general circulation in the atmosphere and oceans in creating the earth's climates. (AL)

Describes gene infusion, the continual replacement of genes for insecticide susceptibility into insect populations, to control the level of resistant genes in pest populations. (AL)