Research NewsBriefing Asians Up, Africans Down Science 12 Jan 1990:Vol. 247, Issue 4939, pp. 157DOI: 10.1126/science.247.4939.157-c 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 493912 January 1990 Table of Contents Print Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)