Kennedy to undergo surgery at Duke for brain tumor Sen. Edward M. Kennedy was set to undergo surgery Monday at Duke University Medical Center for his cancerous brain tumor and then faces chemotherapy and radiation treatment, his office said. Scientist apologizes for hurtful remarks James Watson, the 79-year-old scientific icon made famous by his work in DNA, has set off an international furor with comments to a London newspaper about intelligence levels among blacks. Physicists challenge US missile claims A number of top U.S-based physicists have concluded that the Bush administration used inaccurate claims to reassure NATO allies about U.S. missile defense plans in Eastern Europe.