PREMIUM -- Microsoft chairman Bill Gates poses after he received a honorary degree from principal of the university Professor Timothy O'Shea at Edinburgh University, Scotland Tuesday Jan. 30, 2007. During his visit Gates was shown the world class scientific facilities at the university. He was told about research leading to stem cell therapies being developed at the University's Centre for Regenerative Medicine and leading edge computer technology being used in the emerging field of bioinformatics. (AP Photo/Danny Lawson, pool)