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SIXTY years after James Watson and Francis Crick established that DNA forms a double helix, a quadruple-stranded DNA helix has turned up, and it could strengthen the fight against cancer.

DNA can shape itself into many forms to achieve its purposes in life. The crystal structure of the junction between two of its forms provides insight into how DNA might accomplish some of these ...

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. Much of the controversy ...

Sixty years after James Watson and Francis Crick established that DNA forms a double helix, a quadruple-stranded DNA helix has turned up. Quadruple helices that intertwine four, rather than two ...