Marking first 50 years of DNA revolution / Double-helix discovery began era of genetic manipulation. By David Perlman, Chronicle Science Editor March 2, 2003.

In April 1953, Francis Crick and James Watson published an unassuming one-page research paper with a finding many claimed would “revolutionize biological research”: the double helical ...

It's commonly believed that James Watson and Francis Crick discovered the double helix shape of DNA. But in fact, they based their work on one of their. Skip to content Gizmodo. Search .

NEW YORK — The discovery of DNA’s double helix structure 70 years ago opened up a world of new science — and also sparked disputes over who contributed what and who deserves credit.

Rediscovered letters and postcards highlight the fierce competition among scientists who discovered DNA's famous double-helix structure and unraveled the genetic code. Francis Crick and James D ...

In 1953, James Watson and Francis Crick discovered the now-famous "double helix" DNA structure. But scientists have previously observed short lengths of DNA in different shapes.

NEW YORK — The discovery of DNA’s double helix structure 70 years ago opened up a world of new science — and also sparked disputes over who contributed what and who deserves credit.

The classic double helix has been joined by a four-stranded version that may play a role in cancer. ... Quadruple DNA helix discovered in human cells. By Andy Coghlan. 20 January 2013 ...

Double helix structures, such as DNA, are well known in nature, and they have high bending stiffness. DNA has a diameter of about 2.5 nanometers and is rigid up to about 50 nanometers in length ...