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Science, New Series, Vol. 220, No. 4592, Apr. 1, 1983


Previous Issue: New Series, Vol. 219, No. 4591, Mar. 25, 1983
Next Issue: New Series, Vol. 220, No. 4593, Apr. 8, 1983


Front Matter (15 pp.)


Letters
Nuclear Arms Buildup, p. 6
Gonzalo Alcaino; William Liller
ACDA Staffing, p. 6
Henry F. Cooper
Supplemental Teachers of Science and Mathematics, pp. 6+8
Julian C. Stanley; William G. Durden; F. James Rutherford


Large-Scale Extinctions, p. 9
Philip H. Abelson

The Developing Technology of Gas Separating Membranes, pp. 11-17
Jay M. S. Henis; Mary K. Tripodi

Radiation Exposures in Utah from Nevada Nuclear Tests, pp. 18-24
Harold L. Beck; Philip W. Krey

Retrieval of Information from Long-Term Memory, pp. 25-30
John R. Anderson


News and Comment
Coping with Fraud: The Darsee Case, pp. 31-35
Barbara J. Culliton
Wastes Seep Round the Law, p. 34
Colin Norman
White House Names New EPA Chief, pp. 35-36
R. Jeffrey Smith
Revisions in Cancer Policy, pp. 36-37
Eliot Marshall


Briefing
Hit Lists Claim a Victim at EPA, p. 38
Eliot Marshall
Burford Ignored Advice on DOE Reactor, p. 38
R. Jeffrey Smith
Industry Sets Conditions for Funding Clinch River, p. 38
Colin Norman


Research News
The Race to Predict Next Week's Weather, pp. 39-41
Richard A. Kerr
Plants' Resistance to Herbicide Pinpointed, pp. 41-42
Jean L. Marx
IBM Images Surfaces by Electron Tunneling, pp. 43-44
Arthur L. Robinson


AAAS: Annual Meeting Detroit, 26-31 May 1983, pp. 45-55


Book Reviews
A Life-Span Study Continued, pp. 62-63
Present and Past in Middle Life
Dorothy H. Eichorn; John A. Clausen; Norma Haan; Marjorie P. Honzik; Paul H. Mussen
Review author[s]: Paul B. Baltes; Ellen A. Skinner
Element No. 78, p. 63
A History of Platinum and Its Allied Metals
Donald McDonald; Leslie B. Hunt
Review author[s]: Robert P. Multhauf
Particle Physics, pp. 63-64
Proceedings of the Seventeenth Rencontre de Moriond
J. Tran Thanh Van
Review author[s]: Gordon Kane
A Small Peptide, pp. 64-65
Substance P in the Nervous System
Review author[s]: Lily Jan


Reports
The Separation of Madagascar and Africa, pp. 67-69
Philip D. Rabinowitz; Millard F. Coffin; David Falvey
Fragile Sites in Chromosomes: Possible Model for the Study of Spontaneous Chromosome Breakage, pp. 69-70
Peter B. Jacky; Bernd Beek; Grant R. Sutherland
Myoglobin Diffusion in Bovine Heart Muscle, pp. 71-73
David J. Livingston; Gerd N. La Mar; W. Duane Brown
Blood Cell Surface Changes in Drosophila Mutants with Melanotic Tumors, pp. 73-75
T. M. Rizki; Rose M. Rizki
Plant Chimeras Used to Establish de novo Origin of Shoots, pp. 75-76
R. Norris; R. H. Smith; K. C. Vaughn
Insulin-Like Growth Factors: A Role in Growth Hormone Negative Feedback and Body Weight Regulation via Brain, pp. 77-79
Gloria Shaffer Tannenbaum; Harvey J. Guyda; Barry I. Posner
Trypsin Inhibition by Tapeworms: Antienzyme Secretion or pH Adjustment?, pp. 79-81
Gary L. Uglem; John J. Just
Normalization of Depressed Heart Function in Rats by Ribose, pp. 81-82
H.-G. Zimmer
Adenylate Cyclase Activation Shifts the Phase of a Circadian Pacemaker, pp. 82-84
Arnold Eskin; Joseph S. Takahashi
Bidirectional Transmission at the Rectifying Electrotonic Synapse: A Voltage-Dependent Process, pp. 84-87
Christian Giaume; Henri Korn
Mechanical Action of the Intercostal Muscles on the Ribs, pp. 87-88
André De Troyer; Suzanne Kelly; Walter A. Zin
Tumor Promotion by Phorbol Esters in Skin: Evidence for a Memory Effect, pp. 89-91
Gerhard Fürstenberger; Bernd Sorg; Friedrich Marks
Morphological Basis of Long-Term Habituation and Sensitization in Aplysia, pp. 91-93
Craig H. Bailey; Mary Chen
Selection, Outbreeding Depression, and the Sex Ratio of Scale Insects, pp. 93-95
D. N. Alstad; G. F. Edmunds
Early Morning Insomnia with Rapidly Eliminated Benzodiazepines, pp. 95-97
Anthony Kales; Constantin R. Soldatos; Edward O. Bixler; Joyce D. Kales
Shadows of Thought: Shifting Lateralization of Human Brain Electrical Patterns during Brief Visuomotor Task, pp. 97-99
Alan S. Gevins; Robert E. Schaffer; Joseph C. Doyle; Brian A. Cutillo; Robert S. Tannehill; Steven L. Bressler
A Functional Role for an Opiate System in Snail Thermal Behavior, pp. 99-101
Martin Kavaliers; Maurice Hirst; G. Campbell Teskey
Mechanical Measurement of Red Cell Membrane Thickness, pp. 101-102
R. M. Hochmuth; E. A. Evans; H. C. Wiles; J. T. McCown


Back Matter (16 pp.)

Previous Issue: New Series, Vol. 219, No. 4591, Mar. 25, 1983
Next Issue: New Series, Vol. 220, No. 4593, Apr. 8, 1983



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