Icebergs in Antarctic and Greenland can be used to supply fresh water. This is technologically possible and a potential solution to the problem of fresh water resources. (PS)

Two topics are discussed: (1) Stomach Upset Caused by Aspirin, illustrating principles of acid-base equilibrium and solubility; (2) Physical Chemistry of the Drinking Duck, illustrating principles of phase equilibria and thermodynamics. (DF)

A biography of Copernicus emphasizing his argument for a heliocentric model of the solar system is presented. (DF)

This sport can be usefully examined in an introductory mechanics course. The concepts of energy, momentum, acceleration, velocity, torque, and power are all involved in the analysis of the problem. High interest among the students usually results in increased understanding of the physical principles involved. (Author/DF)

Case studies are of value not only in the building and testing of knowledge, but in the practice they provide for the practical applications of knowledge to specific situations. (Author)

The role that chemical elements play in man is discussed. There are 18 elements classified into three groups: main group metals; transition series metals; and main group non-metals. (DF)