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Science, New Series, Vol. 244, No. 4911, Jun. 23, 1989


Previous Issue: New Series, Vol. 244, No. 4910, Jun. 16, 1989
Next Issue: New Series, Vol. 244, No. 4912, Jun. 30, 1989


Front Matter (15 pp.)
Synthetic Membranes, p. 1421
Philip H. Abelson


Perspective
The Basic Defect in Cystic Fibrosis, p. 1423
Irwin B. Levitan


Letters
The Efficient Market Hypothesis, p. 1424
Robert J. Yaes; Arthur S. Bechhoefer
The Efficient Market Hypothesis: Response, pp. 1424-1425
Burton G. Malkiel
Solar System Chaos, p. 1425
Anna M. Nobili; Joseph A. Burns


Erratum: Japan Faces Big Task in Improving Basic Science, p. 1425


News & Comment
Fighting Cancer with Designer Cells, pp. 1430-1433
Barbara J. Culliton
Fusion Plan Ignites Controversy at DOE, pp. 1434-1435
Mark Crawford
Support Offered for Fang Lizhi, p. 1435
Marjorie Sun
Soviets Admit 1957 Nuclear Mishap, p. 1435
David Dickson
USGS Reports a Fraud, p. 1436
Eliot Marshall
IOM Elects New Members, p. 1436
NIH: The Good Old Days, p. 1437
Barbara J. Culliton
Monkey Euthanasia Stalled by Activists, p. 1437
Constance Holden


Research News
Is it Real, or is it Cray?, pp. 1438-1440
Robert Pool
Putting the Squeeze on Hydrogen, p. 1440
Robert Pool
Did the Roof of the World Start an Ice Age?, pp. 1441-1442
Richard A. Kerr
NASA Racing the Sun to Save a Satellite, p. 1443
Richard A. Kerr


The Decision to Modernize U.S. Intercontinental Ballistic Missiles, pp. 1445-1450
John M. Deutch

Optimum Chemical Sites and Techniques for Searches for Negatively Charged Rare Particles, pp. 1450-1457
R. N. Boyd; K. Takahashi; Robert J. Perry; Terry A. Miller

DNA Looping Generated by DNA Bending Protein IHF and the Two Domains of Lambda Integrase, pp. 1457-1461
Lina Moitoso De Vargas; Sunghoon Kim; Arthur Landy


Reports
Optical Studies of Hydrogen above 200 Gigapascals: Evidence for Metallization by Band Overlap, pp. 1462-1465
H. K. Mao; R. J. Hemley
Rates of Tectonometamorphic Processes from Rubidium and Strontium Isotopes in Garnet, pp. 1465-1469
John N. Christensen; John L. Rosenfeld; Donald J. DePaolo
Purification and Reconstitution of Chloride Channels from Kidney and Trachea, pp. 1469-1472
Donald W. Landry; Myles H. Akabas; Christopher Redhead; Aleksander Edelman; Edward J. Cragoe; Qais Al-Awqati
Persistence of Abnormal Chloride Conductance Regulation in Transformed Cystic Fibrosis Epithelia, pp. 1472-1475
Anton M. Jetten; James R. Yankaskas; M. Jackson Stutts; Niels J. Willumsen; Richard C. Boucher
Regulatory Role for GTP-Binding Proteins in Endocytosis, pp. 1475-1477
Luis S. Mayorga; Ruben Diaz; Philip D. Stahl
Antigen-Specific Helper Function of Cell-Free T Cell Products Bearing TCR V β 8 Determinants, pp. 1477-1480
Rina Guy; Stephen J. Ullrich; Michele Foo-Philips; Karen S. Hathcock; Ettore Appella; Richard J. Hodes
Degradation of Proteins with Acetylated Amino Termini by the Ubiquitin System, pp. 1480-1483
Arie Mayer; Ned R. Siegel; Alan L. Schwartz; Aaron Ciechanover
Adipsin and Complement Factor D Activity: An Immune-Related Defect in Obesity, pp. 1483-1487
Barry S. Rosen; Kathleen S. Cook; Julia Yaglom; Douglas L. Groves; John E. Volanakis; Deborah Damm; Tyler White; Bruce M. Spiegelman
Protection against Streptococcal Pharyngeal Colonization with a Vaccinia: M Protein Recombinant, pp. 1487-1490
Vincent A. Fischetti; Walter M. Hodges; Dennis E. Hruby
Plant Hybrid Zones as Sinks for Pests, pp. 1490-1493
Thomas G. Whitham
Transfer RNA Genes: Landmarks for Integration of Mobile Genetic Elements in Dictyostelium discoideum, pp. 1493-1496
Rolf Marschalek; Thomas Brechner; Elfi Amon-Böhm; Theodor Dingermann


Book Reviews
Successful Advocates, pp. 1497-1498
Effective Social Science
Bernard Barber
Review author[s]: Ivar Berg
Ecological Complexities, pp. 1498-1499
Novel Aspects of Insect-Plant Interactions
Pedro Barbosa; Deborah K. Letourneau
Review author[s]: John N. Thompson
Mutation, pp. 1499-1500
Eukaryotic Transposable Elements as Mutagenic Agents
Michael E. Lambert; John F. McDonald; I. Bernard Weinstein
Review author[s]: Daniel L. Hartl
Ceramics and Territory, p. 1500
Stylistic Boundaries among Mobile Hunter-Foragers
C. Garth Sampson
Review author[s]: Margaret W. Conkey


Back Matter (21 pp.)

Previous Issue: New Series, Vol. 244, No. 4910, Jun. 16, 1989
Next Issue: New Series, Vol. 244, No. 4912, Jun. 30, 1989



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