The duplication begins with the two strands of DNA pulling apart like a zipper.Even among non-scientists, the double helix would become an instantly recognized symbol of science, showing up in such ...
(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 ...
James Watson, co-discoverer of the double-helix shape of DNA, has died at age 97 Scientist James Watson, who shared a Nobel prize for helping discover the double-helix shape of the DNA molecule, has ...