Perspectives Science: The Best and Worst of Times See allHide authors and affiliations Science 21 Mar 1986:Vol. 231, Issue 4744, pp. 1351-1352DOI: 10.1126/science.231.4744.1351 FRANK PRESSFind 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 below.
Science Vol 231, Issue 474421 March 1986 Table of Contents Print Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)