The United States has more institutions of higher education than any other country in the world and more importantly the quality of these academic bodies. Most colleges and universities offer programs in United States-class education with highly qualified teachers. The research at many of these universities is cutting-edge and often published in journals worldwide. Many of the teachers in these schools are leading authorities in their field. The list of educational institutions world-class U.S. is endless and includes, but is not limited to: Stanford University, Harvard, Yale, Cornell, California Institute of Technology, UC Berkeley, the University of Pennsylvania, MIT, John Hopkins, Northwestern University, etc.