The 12 digests of Computers in Life Science Education from 1990 are presented. The articles found in chronological sequence are as follows: "The Computer as a Teaching Tool--How Far Have We Come? Where Are We Going?" (Modell); "Where's the Software--Part 1"; "Keeping Abreast of the Literature" (which appears quarterly); "Where's the Software--Part 2"; "Computer Assisted Instruction in an Histology Course" (Jensh); "Where's the Software--Part 3"; "Biology Courseware for College Freshmen" (Ralph) "Where Are the Videodiscs?"; "CLSE 1990 Colleague Directory--Part 1"; "CLSE 1990 Colleague Directory--Part 2"; "Designing Computer Based Tutorials to Reinforce Reasoning Skills" (Modell); "CLSE 1990 Colleague Directory--Part 3"; "Integrated Systems for Testing and Grading" (Lombardi); "A Comparison, for Teaching Purposes, of Three Data-Acquisition Systems for the Macintosh" (Swanson); "A Computer-Based Approach to Reinforcing Common Principles in Biology" (Modell); and "Summary of Liquid Crystal Display Projection Pad Vendors.""Keeping Abreast of the Literature" is designed to help readers become aware of current literature pertinent to computer applications in the life sciences by listing citations. "Where's the Software" and "Where are the Videodiscs?" include listings of science software sources and programs available through them. Each listing contains a description and identifies the needec omputer and a contact company, person, or phone number. (KR)