Odile Crick, 86, an artist who made the first widely published sketch of the double-helix structure of DNA, died July 5 at her home in La Jolla, Calif. She had cancer. Her husband, Francis H.C. Crick, ...

James Dewey Watson, whose co-discovery of the twisted-ladder structure of DNA in 1953 helped launch a revolution in biology and medicine, died Thursday at age 97. He died in hospice care after a brief ...

Figure 1: Schematic representation of the transition of a, the double helix into b, the two possible isomers of H-DNA. Figure 2: a, b, Sequential NOE interactions in the triplex loop and the 3′ tail ...