1 Harvard University Harvard University 2 Cambridge University 3 Stanford University 4 University of California at Berkeley 5 Massachusetts Institute of Technology (MIT) 6 California Institute of Technology 7 Columbia University 8 Princeton University 9 University of Chicago 10 Oxford University Oxford University 1 1 Yale University 12 Cornell University/ Kloc-0/3 University of California, San Diego 14 University of California, Ton 18 University of California, San Francisco 19 Johns Hopkins University The Johns Hopkins University 20 University of Tokyo 2 1 University of Michigan-Ann Arbor University of Michigan-Ann Arbor 22 Kyoto University 23 University of London Imperial College London, Technology and Medicine 24 University of Toronto 25 University of Illinois at Urbana-Champaign 26 University College London 27 Swiss Federal Institute of Technology-Zurich Swiss Federal Institute of Technology Zurich 28 Washington University-St. Louis Washington University St. Louis 29 new york University new york University 30 Rockefeller University Rockefeller University 3 1 Northwestern University (USA) 32 Duke University 32 University of Minnesota-Twin Cities University of Minnesota Twin Cities 34 University of California, Santa Barbara, Santa Barbara 35 University of Colorado-University of Colorado at Boulder 36 University of Texas-University of Texas at Austin 37 University of British Columbia B. Ia 38 University of Texas Southwest Medical Center University of Texas Southwest Medical Center Dallas 39 Pennsylvania State University-University Town Pennsylvania State University-University Park 40 Vanderbilt University 4 1 University of California, Davis 42 Utrecht University Utrecht University 43 Rutgers State University-Rutgers, New Brunswick, State University of New Jersey-New Brunswick 44 University of Pittsburgh 45 karolinska institutet karolinska institutet 46 Pierre and Marie Curie, University of Paris VI-Paris 6 47 University of Edinburgh 48 University of California Irvine 49 University of Maryland-University City University of Maryland Park College 50 University of Southern California.