Topics of articles in this issue include: Studies of the Mechanisms of Fertilization Promise Improved Breeding Success (Barry A. Ball, Ina Dobrinski); A Look Back at 18 Years of Zweig-Funded Research: Zweig-Funding Accomplishments in Equine Reproduction; Studying the Role of Hormones in Conception (Joanne Fortune, Jean Sirois); Researching Enzyme Regulation; Understanding Sperm Survival and Embryo Behavior (Barry A. Ball); Preventing Late-Pregnancy Abortion (Peter F. Daels); Zweig Memorial Trot Highlights the Syracuse Mile [center fold]; Committee Member Profile: Jean Brown.