COVER ARTICLE Medical scientists often use animals in their efforts to benefit humanity--provoking passionate moral debates, regulation, and the search for new procedures. A report on the issues from the laboratories and the animal-rights community by John Lauerman College and university presidents once shaped public discourse. Why they fell silent--and what to do about it by James O. Freedman An exhibition of works from the Harvard Theatre Collection lifts the curtain on the enduring mysteries of magic Brief life of an innovative oceanographer: 1879-1967 by David Dobbs How learning a new language changes your life by John D. Heller An athletic hall of history, the endowment accelerates academic programs, Radcliffe on the road and women's conferences, upgrading graduate-student life, the Asian economy in perspective, redesigning the Knafel Center, 100 years of health, Harvard Magazine centennial sentiments, divinity dean departs, Crimson Congress, 50 years of Crimson Key, corporate matchmaking and the undergraduate gold rush, apathetic electors, fistic nonagenarian, footballers fall short, and a sports roundup Also, check out our current Classifieds, or browse our archives of issues going back to May-June 1996