Controversial DNA scientist retires (AP)

James Watson, co-discoverer of DNA structure, poses in London on June 20, 2007.  Watson, 79, and the Cold Spring Harbor Laboratory in New York announced his departure a week after the lab suspended him recent comments about intelligence levels among blacks, retired Thursday, Oct. 25, 2007, from his post at the prestigious research institution. He was chancellor of the institution, and his retirement took effect immediately.   (AP Photo/Kirsty Wigglesworth)AP - James Watson, famous for DNA research but widely condemned for recent comments about intelligence levels among blacks, retired Thursday from his post at a prestigious research institution.