Two Hypercard stacks are reviewed including "Amino Acids," created to help students associate amino acid names with their structures, and "DNA Teacher," a tutorial on the structure and function of DNA. Availability, functions, hardware requirements, and general comments on these stacks are provided. (CW)

Reviewed are four videotapes for use in biology classrooms. Included are "The Biochemical Basis of Biology. Part 2--DNA and Protein Synthesis,""The Rocky Shores,""A Visit to the Rocky Shores," and "Our Immune System." Described are the content, cost, and availability of each video. (CW)

Described is The McKusick Catalog of human genetics. This article discusses how biology instructors could make use of this reference and answers specific questions regarding its use. (CW)

Reviews a software package, "Mitosis-Meiosis," available for Apple II or IBM computers with colorgraphics capabilities. Describes the documentation, presentation and flexibility of the program. Rates the program based on graphics and usability in a biology classroom. (CW)