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 ...

Not all DNA looks like the familiar double helix. Sometimes, parts of our genetic code fold into unusual shapes under certain conditions. One such structure known as a G-quadruplex (G4) looks like a ...

For years, scientists have puzzled over what prompts the intertwined double-helix DNA to open its two strands and then start replication. Knowing this could be the key to understanding how organisms - ...

James Watson, the Nobel Prize-winning scientist who co-discovered the double-helix structure of DNA in 1953, has died. Watson was 97 years old and passed away after a brief illness. His groundbreaking ...

James Watson was credited as the co-discoverer of the structure of DNA. Watson was a Nobel laureate and the former Chancellor of Cold Spring Harbor Laboratory. Photograph by Max S. Gerber, Redux James ...