James D. Watson, whose co-discovery of the twisted-ladder structure of DNA in 1953 helped light the long fuse on a revolution in medicine, crimefighting, genealogy and ethics, has died. He was 97.The ...

U.S. biologist James Watson, who shared a Nobel prize for helping discover the double-helix shape of the DNA molecule, poses for a portrait at an exhibition in Berlin on Monday, Oct. 11, 2004. (AP ...

(AP) — James D. Watson, whose co-discovery of the twisted-ladder structure of DNA in 1953 helped light the long fuse on a revolution in medicine, crimefighting, genealogy and ethics, has died. He was ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE PHOTO: James D. Watson, co-discoverer of the DNA helix and father of the Human Genome Project, stands inside a laboratory at ...

Add Yahoo as a preferred source to see more of our stories on Google. James D. Watson, the brilliant but controversial American biologist whose 1953 discovery of the structure of DNA, the molecule of ...