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Carina Dennis of the science journal Nature explains the significance and consequences of the landmark 1953 discovery.
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Denna Jones, curator of the TwoTen Gallery and Contemporary Initiatives at the Wellcome Trust, looks at DNA's iconic status.
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Stephen Franklin, nephew of Rosalind Franklin, talks about his aunt's role in discovering the structure of DNA.
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Images of the locations and icons featuring in the story of 50 years of scientific work on DNA and the human genome project

Professor Adrian Hayday of King's College London tells the story behind the discovery of DNA's structure in 1953.
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