article_snippet: 4   Massachusetts Institute of Technology,        U.S. 5   Stanford, U.S. 6   University of California, Berkeley, U.S. 7   Princeton, U.S. 8   
article_snippet: Yale, U.S. 9   California Institute of Technology, U.S. 10 Columbia, U.S. Yale,
article_snippet: U.S. 9   California Institute of Technology, U.S. 10 Columbia, U.S. added: