Research News Mathematics untwists the double helix By B Cipra See allHide authors and affiliations Science 23 Feb 1990:Vol. 247, Issue 4945, pp. 913-915DOI: 10.1126/science.2305260 B Cipra Find this author on Google Scholar Find this author on PubMed Search for this author on this site Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.
Science Vol 247, Issue 494523 February 1990 Table of Contents Print Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)