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Science, New Series, Vol. 256, No. 5064, Jun. 19, 1992


Previous Issue: New Series, Vol. 256, No. 5063, Jun. 12, 1992
Next Issue: New Series, Vol. 256, No. 5065, Jun. 26, 1992


Front Matter (20 pp.)
Editorial: Exaggerated Carcinogenicity of Chemicals, p. 1609
Philip H. Abelson


Letters
Women in Science: The Response, pp. 1610-1615
John Benditt; Geraldine Richmond; MaryJane K. Selgrade; Melanie MacNicol; Dean Falk; Kenneth G. Hancock; Julie A. Olson; Michele Jetter; Ellen C. Weaver; Stephanie J. Bird; Emily W. B. Russell; Forrest M. Mims; Renee Sung; Hanna Reisler; Denise Galloway; Maxine Linial; Virginia Zakian; Linda Vigilant; Debra R. Rolison; Joan Selverstone Valentine; Lynne M. Butler; Charity Hirsch


Corrections and Clarifications: Women in Science, p. 1615
ScienceScope, p. 1619
David P. Hamilton


News and Comment
Who Controls a Researcher's Files?, pp. 1620-1621
Marcia Barinaga
European Observatory Catches U.S. Star, p. 1622
Peter Aldhous
A Battered Gaspra Revealed, p. 1622
Richard A. Kerr
Biting Back at Lyme Disease, p. 1623
John Travis
Popovic Defended by Technician, p. 1623
Jon Cohen
The Biodiversity Treaty: Pandora's Box or Fair Deal?, p. 1624
Richard Stone
The Rowland Institute for Science: Land's Last Experiment, pp. 1625-1627
Ivan Amato


Random Samples, pp. 1628-1629
Constance Holden


Research News
A Surprise Animal Model for AIDS, pp. 1630-1631
Joseph Palca
Chimps Protected from Infected Cells, p. 1632
Joseph Palca
Scene from a Solar Thriller, p. 1632
Faye Flam
Studies Set to Test Competing Theories About Early Infection, p. 1633
Michael Balter
Geophysicists Take a Tour Around the Solar System, pp. 1634-1635
Richard A. Kerr


Plate Tectonics and Hotspots: The Third Dimension, pp. 1645-1651
Don L. Anderson; Toshiro Tanimoto; Yu-Shen Zhang

The Tropical Timber Trade and Sustainable Development, pp. 1651-1655
Jeffrey R. Vincent


Research Article
Strand-Specific Recognition of a Synthetic DNA Replication Fork by the SV40 Large Tumor Antigen, pp. 1656-1661
Dhruba J. SenGupta; James A. Borowiec


Reports
Scanning Tunneling Spectroscopic Evidence for Granular Metallic Conductivity in Conducting Polymeric Polyaniline, pp. 1662-1664
D. Jeon; J. Kim; M. C. Gallagher; R. F. Willis
Spin Susceptibility Scaling in High-Temperature Superconductors, pp. 1664-1667
J. Ruvalds; C. T. Rieck; J. Zhang; A. Virosztek
Soluble Aluminum Silicates: Stoichiometry, Stability, and Implications for Environmental Geochemistry, pp. 1667-1670
B. A. Browne; C. T. Driscoll
Morphological Disparity in the Cambrian, pp. 1670-1673
Derek E. G. Briggs; Richard A. Fortey; Matthew A. Wills
Three-Dimensional Solution Structure of Human Interleukin-4 by Multidimensional Heteronuclear Magnetic Resonance Spectroscopy, pp. 1673-1677
Robert Powers; Daniel S. Garrett; Carl J. March; Eric A. Frieden; Angela M. Gronenborn; G. Marius Clore
Rational Design of Potent Antagonists to the Human Growth Hormone Receptor, pp. 1677-1680
Germaine Fuh; Brian C. Cunningham; Rikiro Fukunaga; Shigekazu Nagata; David V. Goeddel; James A. Wells
Triple Helix-Specific Ligands, pp. 1681-1684
J. L. Mergny; G. Duval-Valentin; C. H. Nguyen; L. Perrouault; B. Faucon; M. Rougée; T. Montenay-Garestier; E. Bisagni; C. Hélène
Hydrogen Exchange Measurement of the Free Energy of Structural and Allosteric Change in Hemoglobin, pp. 1684-1687
S. Walter Englander; Joan J. Englander; Russell E. McKinnie; Gary K. Ackers; George J. Turner; Judy A. Westrick; Stanley J. Gill
Vaccine Protection of Chimpanzees Against Challenge with HIV-1-Infected Peripheral Blood Mononuclear Cells, pp. 1687-1690
Patricia N. Fultz; Peter Nara; Francoise Barre-Sinoussi; Agnes Chaput; Michael L. Greenberg; Elizabeth Muchmore; Marie-Paule Kieny; Marc Girard
Myoglobin in a Cyanobacterium, pp. 1690-1692
Malcolm Potts; Stephen V. Angeloni; Richard E. Ebel; Deeni Bassam
The Motor Cortex and the Coding of Force, pp. 1692-1695
Apostolos P. Georgopoulos; James Ashe; Nikolaos Smyrnis; Masato Taira


Technical Comment
PET Images of Blood Flow Changes During Anxiety: Correction, p. 1696
W. C. Drevets; T. O. Videen; A. K. MacLeod; J. W. Haller; M. E. Raichle


Book Reviews
The Clovis Question, pp. 1697-1698
The First Americans. Search and Research.
Tom D. Dillehay; David J. Meltzer
Clovis. Origins and Adaptations.
Robson Bonnichsen; Karen L. Turnmire
Review author[s]: Christopher J. Ellis
Auditory Developments, pp. 1698-1699
The Neurobiology of Hearing. The Central Auditory System.
Richard A. Altschuler; Richard P. Bobbin; Ben M. Clopton; Douglas W. Hoffman
Review author[s]: Catherine Carr
Biotic Immigrants, p. 1699
Biogeography of Mediterranean Invasions.
R. H. Groves; F. di Castri
Review author[s]: Richard N. Mack
Books Received, pp. 1699-1700


Back Matter (32 pp.)

Previous Issue: New Series, Vol. 256, No. 5063, Jun. 12, 1992
Next Issue: New Series, Vol. 256, No. 5065, Jun. 26, 1992



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