Science, New Series, Vol. 247, No. 4938, Jan. 5, 1990

Previous Issue: New Series, Vol. 246, No. 4937, Dec. 22, 1989
Next Issue: New Series, Vol. 247, No. 4939, Jan. 12, 1990

Front Matter (12 pp.)
To See Ourselves As Others See Us, p. 9

Daniel E. Koshland, Jr.

Perspective

Identifying Tumor Suppressor Genes in Human Colorectal Cancer, pp. 12-13

Eric J. Stanbridge

Letters

Global Warming Report, pp. 14-16

Richard S. Lindzen; William A. Nierenberg; Robert Jastrow; Sallie Baliunas; Minze Stuiver; Leslie Roberts

News and Comment

To Test or Not to Test?, pp. 17-19

Leslie Roberts

Article on Gallo Prompts Inquiry, p. 19

Joseph Palca

Amino Acids: How Much Excitement is too Much?, pp. 20-22

Marcia Barinaga

Academy Panel Raises Radiation Risk Estimate, pp. 22-23

Eliot Marshall

Briefings

Deforestation: Brazil's Surprise Role, p. 24

Constance Holden

Lobbying for an Environmental NIH, p. 24

Constance Holden

Rogue AIDS Disk Alarms Researchers, p. 24

Constance Holden

New Science-Minded Leadership in Romania, p. 24

Constance Holden

NSF to Spell Out Priorities, pp. 24-25

Constance Holden

Shockley Shocker, p. 25

Constance Holden

The Big Sleep, p. 25

Constance Holden

Americans Capture More Math Degrees, p. 25

Constance Holden

Tireless Promoter, p. 25

Constance Holden

Will John Deutch or Dr. X. Lead MIT?, p. 25

Constance Holden

Research News

A Small Revolution Gets Under Way, pp. 26-27

Robert Pool

The Reign of Trial and Error Draws to a Close, pp. 28-29

M. Mitchell Waldrop

Making Deep Earthquakes in the Laboratory?, pp. 30-31

Richard A. Kerr

Quick Fix for Freeways, p. 31

Marcia Barinaga

Feathers Fly in Grouse Population Dispute, p. 32

Jeremy Cherfas

U.S. Trade Policy at a Crossroad, pp. 33-38

Robert E. Litan; Peter O. Suchman

Stellar Activity and Brightness Variations: A Glimpse at the Sun's History, pp. 39-44

Richard R. Radick; G. W. Lockwood; Sallie L. Baliunas

Mental Models in Narrative Comprehension, pp. 44-48

Gordon H. Bower; Daniel G. Morrow

Research Article

Identification of a Chromosome 18q Gene That is Altered in Colorectal Cancers, pp. 49-56

Eric R. Fearon; Kathleen R. Cho; Janice M. Nigro; Scott E. Kern; Jonathan W. Simons; J. Michael Ruppert; Stanley R. Hamilton; Antonette C. Preisinger; Giles Thomas; Kenneth W. Kinzler; Bert Vogelstein

Reports

Direct Observation of Structural Defects in Laser-Deposited Superconducting Y-Ba-Cu-O Thin Films, pp. 57-59

R. Ramesh; D. M. Hwang; T. Venkatesan; T. S. Ravi; L. Nazar; A. Inam; X. D. Wu; B. Dutta; G. Thomas; A. F. Marshall; T. H. Geballe

A Light Source Smaller Than the Optical Wavelength, pp. 59-61

K. Lieberman; S. Harush; A. Lewis; R. Kopelman

Evidence for a Novel Thioredoxin-Like Catalytic Property of Gonadotropic Hormones, pp. 61-64

J. Jay Boniface; Leo E. Reichert, Jr.

High-Resolution Mapping of Human Chromosome 11 by in Situ Hybridization with Cosmid Clones, pp. 64-69

Peter Lichter; Chieh-Ju Chang Tang; Katherine Call; Gary Hermanson; Glen A. Evans; David Housman; David C. Ward

U1-Specific Protein C Needed for Efficient Complex Formation of U1 snRNP with a 5′ Splice Site, pp. 69-72

Volker Heinrichs; Monsterrat Bach; Gerd Winkelmann; Reinhard Luhrmann

Mechanism of Insect Resistance to the Microbial Insecticide Bacillus thuringiensis, pp. 72-74

J. Van Rie; W. H. McGaughey; D. E. Johnson; B. D. Barnett; H. Van Mellaert

Derepression of Ferritin Messenger RNA Translation by Hemin in Vitro, pp. 74-77

Jih-Jing Lin; Susan Daniels-McQueen; Maria M. Patino; Livia Gaffield; William E. Walden; Robert E. Thach

Inhibition of Angiogenesis by Recombinant Human Platelet Factor-4 and Related Peptides, pp. 77-79

Theodore E. Maione; Gary S. Gray; Joan Petro; Anthony J. Hunt; Amy L. Donner; Susan I. Bauer; Helen F. Carson; Richard J. Sharpe

A Peptide Sequence Confers Retention and Rapid Degradation in the Endoplasmic Reticulum, pp. 79-82

Juan S. Bonifacino; Carolyn K. Suzuki; Richard D. Klausner

Posttranslational Glutamylation of α-Tubulin, pp. 83-85

Bernard Eddé; Jean Rossier; Jean-Pierre Le Caer; Elizabeth Desbruyères; François Gros; Philippe Denoulet

An Identified Neuron (CPR) Evokes Neuronal Responses Reflecting Food Arousal in Aplysia, pp. 85-87

Thomas Teyke; Klaudiusz R. Weiss; Irving Kupfermann

Book Reviews

Cross-Purposes in Education, pp. 90-91

And Sadly Teach. Teacher Education and Professionalization in American Culture.

Jurgen Herbst

Review author[s]: Donald Warren

Ingrained Hierarchies, pp. 91-92

Doing Comparable Worth. Gender, Class, and Pay Equity.

Joan Acker

Review author[s]: Toby L. Parcel

Modern Particle Physics, p. 92

Particle Physics and Cosmology.

P. D. B. Collins; A. D. Martin; E. J. Squires

Review author[s]: Lawrence M. Krauss

Books Received, pp. 92-93

Back Matter (39 pp.)

Previous Issue: New Series, Vol. 246, No. 4937, Dec. 22, 1989
Next Issue: New Series, Vol. 247, No. 4939, Jan. 12, 1990

Science, New Series, Vol. 247, No. 4939, Jan. 12, 1990

Previous Issue: New Series, Vol. 247, No. 4938, Jan. 5, 1990
Next Issue: New Series, Vol. 247, No. 4940, Jan. 19, 1990

Front Matter (13 pp.)
Volatile Contaminants of Drinking Water, p. 141

Philip H. Abelson

Letters

Scientific Integrity, pp. 144-146

James O. Mason; Lyle W. Bivens; Bernard D. Davis

Clinical and Actuarial Judgment, pp. 146-147

Benjamin Kleinmuntz; David Faust; Paul E. Meehl; Robyn M. Dawes

News and Comment

Erratum: Will John Deutch or Dr. X Lead MIT?, p. 147

Rockefeller Braces for Baltimore, pp. 148-151

Barbara J. Culliton

How the Soviets Got the H-Bomb, p. 151

Colin Norman

Super Collider Advocates Tangle with Cost Cutters, pp. 152-153

Mark Crawford

NIH Conflict-of-Interest Guidelines Shot Down, pp. 154-155

Joseph Palca

Research News

Briefings

Fleas Turn a Deaf Ear, p. 156

Constance Holden

CDC Head Named, p. 156

Constance Holden

Stanford News Director Resigns, p. 156

Constance Holden

Moss Landing Labs Destroyed by Quake, p. 156

Constance Holden

Incredible Lightness of Gyroscopes, pp. 156-157

Constance Holden

Bridging the Student-Work Gap, p. 157

Constance Holden

Asians Up, Africans Down, p. 157

Constance Holden

Brain Decade, p. 157

Constance Holden

Russian Moon Non-Landing, p. 157

Constance Holden

Pushing the Envelope of Life, pp. 158-160

Robert Pool

Fossils and British Pride, p. 160

Jeremy Cherfas

What You Find When Looking for a Soccer Ball, p. 161

M. Mitchell Waldrop

Hurricane-Drought Link Bodes Ill for U.S. Coast, p. 162

Richard A. Kerr

Climate and Smoke: An Appraisal of Nuclear Winter, pp. 166-176

R. P. Turco; O. B. Toon; T. P. Ackerman; J. B. Pollack; C. Sagan

Superconductivity and the Quantization of Energy, pp. 177-182

D. G. McDonald

Research Article

Imaging Surface Atomic Structure by Means of Auger Electrons, pp. 182-188

Douglas G. Frank; Nikola Batina; Teresa Golden; Frank Lu; Arthur T. Hubbard

Reports

Changes in Mean Concentration, Phase Shifts, and Dissipation in a Forced Oscillatory Reaction, pp. 189-192

James G. Lazar; John Ross

Mountains and Arid Climates of Middle Latitudes, pp. 192-195

S. Manabe; A. J. Broccoli

Allometric Scaling in the Earliest Fossil Bird, Archaeopteryx lithographica, pp. 195-198

Marilyn A. Houck; Jacques A. Gauthier; Richard E. Strauss

Global Climate Change and Intensification of Coastal Ocean Upwelling, pp. 198-201

Andrew Bakun

Ozone Control and Methanol Fuel Use, pp. 201-205

A. G. Russell; D. St. Pierre; J. B. Milford

Repression of c-fos Transcription and an Altered Genetic Program in Senescent Human Fibroblasts, pp. 205-209

Tara Seshadri; Judith Campisi

The Dominant W ⁴² Spotting Phenotype Results from a Missense Mutation in the c-kit Receptor Kinase, pp. 209-212

Jimmy C. Tan; Karl Nocka; Prabir Ray; Paula Traktman; Peter Besmer

Localization of an Acetylcholine Receptor Intron to the Nuclear Membrane, pp. 212-214

Stephen A. Berman; Sherry Bursztajn; Barbara Bowen; Walter Gilbert

Perceptual Deficits and the Activity of the Color-Opponent and Broad-Band Pathways at Isoluminance, pp. 214-217

N. K. Logothetis; P. H. Schiller; E. R. Charles; A. C. Hurlbert

Target Control of Collateral Extension and Directional Axon Growth in the Mammalian Brain, pp. 217-220

Christopher D. Heffner; Andrew G. S. Lumsden; Dennis D. M. O'Leary

Technical Comments

Phencyclidine, Dizocilpine, and Cerebrocortical Neurons, p. 221

H. L. Allen; L. L. Iversen; J. W. Olney; J. Labruyere; M. T. Price

Chloride Channels in Cystic Fibrosis Patients, p. 222

Jeffrey J. Wine; Charles K. Solc; William B. Guggino; Michael J. Welsh; John D. McCann; Ming Li; John P. Clancy; Matthew P. Anderson

Book Reviews

An Emergence in Science, pp. 223-224

The Formation of Science in Japan. Building a Research Tradition.

James R. Bartholomew

Review author[s]: D. Eleanor Westney

The Conservation Scene, p. 224

Conservation for the Twenty-First Century.

David Western; Mary C. Pearl

Review author[s]: Katherine Ralls

Probabilistic Thinking, p. 225

The Empire of Chance. How Probability Changed Science and Everyday Life.

Gerd Gigerenzer; Zeno Swijtink; Theodore Porter; Lorraine Daston; John Beatty; Lorenz Krüger

Review author[s]: Glenn R. Shafer

Marine Protozoa, pp. 225-226

Modern Planktonic Foraminifera.

Ch. Hemleben; M. Spindler; O. R. Anderson

Review author[s]: Howard J. Spero

Information Issues, p. 226

Biomolecular Data. A Resource in Transition.

Rita R. Colwell; David G. Swartz; Michael T. Macdonell

Review author[s]: James Ostell

Books Received, pp. 226-227

Back Matter (29 pp.)

Previous Issue: New Series, Vol. 247, No. 4938, Jan. 5, 1990
Next Issue: New Series, Vol. 247, No. 4940, Jan. 19, 1990

Science, New Series, Vol. 247, No. 4940, Jan. 19, 1990

Previous Issue: New Series, Vol. 247, No. 4939, Jan. 12, 1990
Next Issue: New Series, Vol. 247, No. 4941, Jan. 26, 1990

Front Matter (12 pp.)
Andrei Sakharov, 1921-1989, p. 265

Daniel E. Koshland, Jr.

Letters

The Genome Project: Pro and Con, p. 270

Maurice S. Fox; Boris Magasanik; Ethan R. Signer; Frank Solomon; Martin F. Gellert; James E. Haber; Daniel E. Koshland, Jr.; Louis H. Muschel

The Decline of Systematics, p. 270

J. R. Grehan

Cone Loss of the Week, pp. 270-271

Jack A. Taylor

Elephant Appropriation, p. 271

R. E. Leakey

Erratum: The Cholinergic Neuronal Differentiation Factor from Heart Cells is Identical to Leukemia Inhibitory Factor, p. 271

News and Comment

Defense Research After the Cold War, pp. 272-273

Colin Norman

East German Environment Comes into the Light, pp. 274-276

Daniel Charles

The Fluoride Debate: One More Time, pp. 276-277

Eliot Marshall

University Restructuring Based on False Premise?, p. 278

Jeremy Cherfas

Research News

Emerging Viruses, Emerging Threat, pp. 279-280

Barbara J. Culliton

Whatever Happened to the Genetic Map?, pp. 281-282

Leslie Roberts

Planetary Science Funds Cut, p. 282

Richard A. Kerr

Sunny Chemistry Outlook Revealed in Hawaii, p. 283

Phillip Szuromi

Briefings

Inspector General Cracks Down at NSF, p. 284

Mark H. Crawford

Students: Watson Gets Mixed Grades, p. 284

Mark H. Crawford

NSF Grant Sizes Trimmed for 1990, p. 284

Mark H. Crawford

Africanized Bees Near Texas Border, p. 284

Mark H. Crawford

Johns Hopkins Talks with MIT's Deutch, p. 285

Mark H. Crawford

Oat Bran Competitor, p. 285

Mark H. Crawford

Oak Ridge Seeks Fusion Reactor, p. 285

Mark H. Crawford

Treatment Lacking for Pregnant Addicts, p. 285

Mark H. Crawford

Melting the Cold War, p. 285

Mark H. Crawford

The Loma Prieta, California, Earthquake: An Anticipated Event, pp. 286-293

U. S. Geological Survey Staff

Asbestos: Scientific Developments and Implications for Public Policy, pp. 294-301

B. T. Mossman; J. Bignon; M. Corn; A. Seaton; J. B. L. Gee

Priming and Human Memory Systems, pp. 301-306

Endel Tulving; Daniel L. Schacter

Reports

Elimination of Current Dissipation in High Transition Temperature Superconductors, pp. 307-309

J. Z. Sun; B. Lairson; C. B. Eom; J. Bravman; T. H. Geballe

Sedimentary 24-n-Propylcholestanes, Molecular Fossils Diagnostic of Marine Algae, pp. 309-312

J. Michael Moldowan; Frederick J. Fago; Cathy Y. Lee; Stephen R. Jacobson; David S. Watt; Nacer-Eddine Slougui; Alwarsamy Jeganathan; Donald C. Young

Effects of Fish and Plankton on Lake Temperature and Mixing Depth, pp. 312-315

A. Mazumder; W. D. Taylor; D. J. McQueen; D. R. S. Lean

Phenotypic Switching in Mycoplasmas: Phase Variation of Diverse Surface Lipoproteins, pp. 315-318

Renate Rosengarten; Kim S. Wise

Prenylated Proteins: The Structure of the Isoprenoid Group, pp. 318-320

H. C. Rilling; E. Breunger; W. W. Epstein; P. F. Crain

Identification of Geranylgeranyl-Modified Proteins in HeLa Cells, pp. 320-322

Christopher C. Farnsworth; Michael H. Gelb; John A. Glomset

A Dominant Mutation That Predisposes to Multiple Intestinal Neoplasia in the Mouse, pp. 322-324

Amy Rapaich Moser; Henry C. Pitot; William F. Dove

Cloning of an Interleukin-3 Receptor Gene: A Member of a Distinct Receptor Gene Family, pp. 324-327

Naoto Itoh; Shin Yonehara; Jolanda Schreurs; Daniel M. Gorman; Kazuo Maruyama; Ai Ishii; Ichiro Yahara; Ken-Ichi Arai; Atsushi Miyajima

Microinjection of a Conserved Peptide Sequence of p34 ^cdc2 Induces a Ca ²⁺ Transient in Oocytes, pp. 327-329

André Picard; Jean-Claude Cavadore; Philippe Lory; Jean-Claude Bernengo; Carlos Ojeda; Marcel Dorée

Far-Red Radiation Reflected from Adjacent Leaves: An Early Signal of Competition in Plant Canopies, pp. 329-332

Carlos L. Ballaré; Ana L. Scopel; Rodolfo A. Sánchez

Specific Expression of a Tyrosine Kinase Gene, blk, in B Lymphoid Cells, pp. 332-336

Susan M. Dymecki; John E. Niederhuber; Stephen V. Desiderio

Auditory Association Cortex Lesions Impair Auditory Short-Term Memory in Monkeys, pp. 336-338

Michael Colombo; Michael R. D'Amato; Hillary R. Rodman; Charles G. Gross

Survival of Adult Basal Forebrain Cholinergic Neurons After Loss of Target Neurons, pp. 338-342

Michael V. Sofroniew; Neil P. Galletly; Ole Isacson; Clive N. Svendsen

Technical Comments

California Aftershock Model Uncertainties, pp. 343-345

Paul A. Rydelek; Paul A. Reasenberg; Mark V. Matthews

California Aftershock Hazard Forecasts, pp. 345-346

Paul A. Reasenberg; Lucile M. Jones

Book Reviews

Looking Backward, p. 347

A History of Immunology.

Arthur M. Silverstein

Immunology, 1930-1980. Essays on the History of Immunology.

Pauline M. H. Mazumdar

Review author[s]: Edward S. Golub

Radical Professionalism, pp. 347-348

The Politics of Knowledge. Activist Movements in Medicine and Planning.

Lily M. Hoffman

Review author[s]: David H. Wagner

A Transition in Biology, pp. 348-349

The Mendelian Revolution. The Emergence of Hereditarian Concepts in Modern Science and Society.

Peter J. Bowler

Review author[s]: Frederick B. Churchill

Underrepresentations, pp. 349-350

Blacks, Science, and American Education.

Willie Pearson, Jr.; H. Kenneth Bechtel

Review author[s]: Thomas L. Hilton

Recombination, pp. 350-351

Gene Transfer in the Environment.

Stuart B. Levy; Robert V. Miller

Review author[s]: Roger Milkman

Flow Paths, p. 351

Percolation.

Geoffrey Grimmett

Review author[s]: John Wierman

Books Received, pp. 351-352

Back Matter (20 pp.)

Previous Issue: New Series, Vol. 247, No. 4939, Jan. 12, 1990
Next Issue: New Series, Vol. 247, No. 4941, Jan. 26, 1990

Science, New Series, Vol. 247, No. 4941, Jan. 26, 1990

Previous Issue: New Series, Vol. 247, No. 4940, Jan. 19, 1990
Next Issue: New Series, Vol. 247, No. 4942, Feb. 2, 1990

Front Matter (34 pp.)
Engineering's Silent Crisis, p. 381

William R. Grogan

Letters

NIH Budget Crisis, pp. 393-394

John C. Lucchesi; Martin Frank; Carol R. Scheman; Albert H. Teich; Hans Neurath; Joseph Palca

Methanol-Powered Cars, p. 394

Robert J. Adams

Erratum: Rockefeller braces for Baltimore, p. 394

News and Comment

Malaria Research--What Next?, pp. 399-402

Eliot Marshall

High-Tech and Low-Tech: Control Strategies Today, pp. 400-401

J. C.

Malaria Vaccines: The Failed Promise, pp. 402-403

Jeremy Cherfas

Science and Congress: Outlook Uncertain, pp. 404-405

Mark Crawford

Briefings

Ph.D Squeeze, p. 406

Constance Holden

Clearing Brush in Academe's Groves, p. 406

Constance Holden

NSF Supports the Earth, p. 406

Constance Holden

Monkey Saga Continues, pp. 406-407

Constance Holden

MIT Pushes Minority Education, p. 407

Constance Holden

Animal Rightists Threaten Researcher, p. 407

Constance Holden

Data Too Cheap to Meter, p. 407

Constance Holden

Environmentalist Shakeup at State, p. 407

Constance Holden

Research News

NGF and Alzheimer's: Hopes and Fears, pp. 408-410

Jean Marx

Shooting at a New HIV Target, p. 410

Joseph Palca

COBE Confronts Cosmic Conundrums, pp. 411-413

M. Mitchell Waldrop

Understanding the Simplest Reaction, p. 413

Robert Pool

Rationing Health Care: The Choice Before Us, pp. 418-422

Henry Aaron; William B. Schwartz

Chemical Bond-Making, Bond-Breaking, and Electron Transfer in Solution, pp. 423-430

Edward M. Arnett; Kalyani Amarnath; Noel G. Harvey; J. P. Cheng

Research Article

Molecular Dynamics in Ordered Structures: Computer Simulation and Experimental Results for Nylon 66 Crystals, pp. 431-436

J. J. Wendoloski; K. H. Gardner; J. Hirschinger; H. Miura; A. D. English

Reports

Electrodeposited Ceramic Superlattices, pp. 444-446

Jay A. Switzer; Michael J. Shane; Richard J. Phillips

Stratospheric Hydroperoxyl Measurements, pp. 446-449

Wesley A. Traub; David G. Johnson; Kelly V. Chance

A Regulatory Gene as a Novel Visible Marker for Maize Transformation, pp. 449-450

Steven R. Ludwig; Ben Bowen; Larry Beach; Susan R. Wessler

Identification of Fructose 3-Phosphate in the Lens of Diabetic Rats, pp. 451-454

Benjamin S. Szwergold; Francis Kappler; Truman R. Brown

A Synthetic HIV-1 Protease Inhibitor with Antiviral Activity Arrests HIV-Like Particle Maturation, pp. 454-456

T. J. McQuade; A. G. Tomasselli; L. Liu; V. Karacostas; B. Moss; T. K. Sawyer; R. L. Heinrikson; W. G. Tarpley

Intercellular Adhesion Molecule-1 (ICAM-1) in the Pathogenesis of Asthma, pp. 456-459

Craig D. Wesgner; Robert H. Gundel; Patricia Reilly; Nancy Haynes; L. Gordon Letts; Robert Rothlein

The Response of Living Cells to Very Weak Electric Fields: The Thermal Noise Limit, pp. 459-462

James C. Weaver; R. Dean Astumian

Endothelin: A Novel Peptide in the Posterior Pituitary System, pp. 462-464

Toshihiro Yoshizawa; Osamu Shinmi; Adel Glaid; Masashi Yanagisawa; Sally J. Gibson; Sadao Kimura; Yasuo Uchiyama; Julia M. Polak; Tomoh Masaki; Ichiro Kanazawa

Mutations of the Adenylyl Cyclase Gene That Block RAS Function in Saccharomyces cerevisiae, pp. 464-467

Jeffrey Field; Hao-Peng Xu; Tamar Michaeli; Roymarie Ballester; Philip Sass; Michael Wigler; John Colicelli

Two Distinct Transcription Factors That Bind the Immunoglobulin Enhancer μE5/κE2 Motif, pp. 467-470

Paula Henthorn; Megerditch Kiledjian; Tom Kadesch

Glutamate Induces Calcium Waves in Cultured Astrocytes: Long-Range Glial Signaling, pp. 470-473

Ann H. Cornell-Bell; Steven M. Finkbeiner; Mark S. Cooper; Stephen J. Smith

Book Reviews

Meetings with Disease, p. 474

Death by Migration. Europe's Encounter with the Tropical World in the Nineteenth Century.

Philip D. Curtin

Review author[s]: William H. McNeill

The Uses of Paperwork, pp. 474-475

Control Through Communication. The Rise of System in American Management.

JoAnne Yates

Review author[s]: Louis Galambos

Post-Origin Paleontology, pp. 475-476

Mass Extinctions. Processes and Evidence.

Stephen K. Donovan

Review author[s]: Michael L. McKinney

Physics of the Atmosphere, p. 476

Atmospheric Radiation. Theoretical Basis.

R. M. Goody; Y. L. Yung

Review author[s]: Jonathan I. Lunine

Components of Plants, pp. 476-477

Plant Cell Wall Polymers. Biogenesis and Biodegradation.

Norman G. Lewis; Michael G. Paice

Review author[s]: Helen A. Stafford

Books Received, p. 477

Back Matter (27 pp.)

Previous Issue: New Series, Vol. 247, No. 4940, Jan. 19, 1990
Next Issue: New Series, Vol. 247, No. 4942, Feb. 2, 1990

Science, New Series, Vol. 247, No. 4942, Feb. 2, 1990

Previous Issue: New Series, Vol. 247, No. 4941, Jan. 26, 1990
Next Issue: New Series, Vol. 247, No. 4943, Feb. 9, 1990

Front Matter (12 pp.)
Medicine from Plants, p. 513

Philip H. Abelson

Letters

Discover's Advertisements, p. 515

Paul Hoffman; Martin Gardner

Soviet Sociology, p. 515

Stephen P. Dunn

Soviet Alcoholism, pp. 515-516

Ethel P. Dunn

NIH Conflict-of-Interest Guidelines, p. 516

Philip Siekevitz

News and Comment

Bush Budget Highlights R&D, pp. 517-519

Colin Norman

Emissions Trading Goes Global, pp. 520-521

Marjorie Sun

BITNET Headed for New Frontiers, p. 520

Joseph Palca

Global Warming Continues in 1989, p. 521

Richard A. Kerr

USDA Admits "Mistake" in Doctoring Study, p. 522

Eliot Marshall

Virus-Like Agent Blamed for Mad Cow Disease, p. 523

Jeremy Cherfas

Research News

Neuroscience Models the Brain, pp. 524-526

Marcia Barinaga

The Great Asteroid Roast: Was It Rare or Well-Done?, pp. 527-528

Richard A. Kerr

Fetal Nerve Grafts Show Promise in Parkinson's, p. 529

Jean Marx

Briefings

Anxiety in Academe Over DOD Cuts, p. 530

Constance Holden

Congress and Animal Rights, p. 530

Constance Holden

Deutch Bows Out, p. 530

Constance Holden

Japan Reaches for the Moon, p. 530

Constance Holden

Uptown Goes Down, p. 530

Constance Holden

The Health Sector's Share of the Gross National Product, pp. 534-538

Victor R. Fuchs

Experiments on the Structure of an Individual Elementary Particle, pp. 539-545

Hans Dehmelt

Research Article

Functional Evidence for an RNA Template in Telomerase, pp. 546-552

Dorothy Shippen-Lentz; Elizabeth H. Blackburn

Reports

Direct Observation and Analysis of CuO₂ Shear Defects in La _2-x Sr_xCuO₄, pp. 553-556

Pratibha L. Gai; Eugene M. McCarron III

An Empirical Model of Total Solar Irradiance Variation Between 1874 and 1988, pp. 556-558

P. Foukal; J. Lean

Common Features of Protein Unfolding and Dissolution of Hydrophobic Compounds, pp. 559-561

Kenneth P. Murphy; Peter L. Privalov; Stanley J. Gill

Activation of Proto-Oncogenes: An Immediate Early Event in Human Cytomegalovirus Infection, pp. 561-564

Istran Boldogh; Sazaly AbuBakar; Thomas Albrecht

Suppression of HIV Infection in AZT-Treated SCID-hu Mice, pp. 564-566

Joseph M. McCune; Reiko Namikawa; Chu-Chih Shih; Linda Rabin; Hideto Kaneshima

Human Sickle Hemoglobin in Transgenic Mice, pp. 566-568

Thomas M. Ryan; Tim M. Townes; Michael P. Reilly; Toshio Asakura; Richard D. Palmiter; Ralph L. Brinster; Richard R. Behringer

Tumorigenicity in Human Melanoma Cell Lines Controlled by Introduction of Human Chromosome 6, pp. 568-571

Jeffrey M. Trent; Eric J. Stanbridge; Heyoung L. McBride; Eckart U. Meese; Graham Casey; Diana E. Araujo; Colette M. Witkowski; Raymond B. Nagle

2,3-Dihydroxy-6-nitro-7-sulfamoyl-benzo(F)quinoxaline: A Neuroprotectant for Cerebral Ischemia, pp. 571-574

Malcolm J. Sheardown; Elsebet Ø. Nielsen; Anker J. Hansen; Poul Jacobsen; Tage Honoré

Grafts of Fetal Dopamine Neurons Survive and Improve Motor Function in Parkinson's Disease, pp. 574-577

Olle Lindvall; Patrik Brundin; Håkan Widner; Stig Rehncrona; Björn Gustavii; Richard Frackowiak; Klaus L. Leenders; Guy Sawle; John C. Rothwell; C. David Marsden; Anders Björklund

Inside AAAS, pp. 578-580

Book Reviews

Reconstructions, pp. 581-582

Tracing Archaeology's Past. The Historiography of Archaeology.

Andrew L. Christenson

Review author[s]: C. C. Lamberg-Karlovsky

Scandinavian Contributions, p. 582

Science in Sweden. The Royal Swedish Academy of Sciences, 1739-1989.

Töre Frangsmyr

Review author[s]: Nils Roll-Hansen

Association Life, pp. 582-584

Renewing a Scientific Society. The American Association for the Advancement of Science from World War II to 1970.

Dael Wolfle

Review author[s]: H. William Koch

Books Received, pp. 584-585

Back Matter (19 pp.)

Previous Issue: New Series, Vol. 247, No. 4941, Jan. 26, 1990
Next Issue: New Series, Vol. 247, No. 4943, Feb. 9, 1990

Science, New Series, Vol. 247, No. 4943, Feb. 9, 1990

Previous Issue: New Series, Vol. 247, No. 4942, Feb. 2, 1990
Next Issue: New Series, Vol. 247, No. 4944, Feb. 16, 1990

Front Matter (27 pp.)
New Materials: Chemistry and Physics, p. 613

John I. Brauman

Letters

Global Warming, p. 620

Barry D. Solomon; Michael J. Adler; William Fulkerson; David B. Reister; Stanley I. Auerbach; Alfred M. Perry; Alan T. Crane; Don E. Kash

BEIR V: Implications for the Nuclear Workforce, pp. 620-622

Ralph E. Lapp; Warren K. Sinclair

RU 486 Development, p. 622

Daniel Philibert; Georges Teutsch

Waste Site Cleanup, pp. 622-623

Daniel F. Luecke; Melinda Kassen

News and Comment

Huntington's Gene: So Near, Yet So Far, pp. 624-627

Leslie Roberts

NIH Director: The Search Goes On... and On, p. 628

Barbara J. Culliton

Fetal Research Ban on Shaky Ground?, p. 629

Joseph Palca

Bush Names Scientific Committee, p. 629

Colin Norman

Stretching the Point, p. 630

Jeremy Cherfas

Fish, Money, and Science in Puget Sound, p. 631

Marcia Barinaga

Briefings

New Lease on Life for Dahlem Meetings, p. 632

Constance Holden

Layoffs Hit Draper Laboratory, p. 632

Constance Holden

Protecting Progress, p. 632

Constance Holden

What's in the Bowl?, p. 632

Constance Holden

Going Where Nukies Fear to Tread, pp. 632-633

Constance Holden

News and Comments

Briefings

U.S.-Soviet Diabetes Project, p. 633

Constance Holden

Patent Court Gets First Scientist, p. 633

Constance Holden

Room at the Top, p. 633

Constance Holden

European Weather Forecasters Get One Right, p. 633

Constance Holden

Research News

The Children of the STM, pp. 634-636

Robert Pool

Asking for the Moon, pp. 637-638

M. Mitchell Waldrop

Fundamentals of Materials Science

Solid-State Chemistry: A Rediscovered Chemical Frontier, pp. 649-655

Francis J. DiSalvo

Structural Chemistry and the Local Charge Picture of Copper Oxide Superconductors, pp. 656-662

R. J. Cava

Electrides: Ionic Salts with Electrons as the Anions, pp. 663-668

James L. Dye

Quantum Confinement and Host/Guest Chemistry: Probing a New Dimension, pp. 669-678

Galen D. Stucky; James E. Mac Dougall

All-Optical Nonlinearities in Organics, pp. 679-687

B. I. Greene; J. Orenstein; S. Schmitt-Rink

Current Issues and Problems in the Chemical Vapor Deposition of Diamond, pp. 688-696

Walter A. Yarbrough; Russell Messier

Reports

Precision Lattice-Parameter Determination of (Mg,Fe)SiO₃ Tetragonal Garnets, pp. 697-699

Rie Matsubara; Hideo Toraya; Satoshi Tanaka; Hiroshi Sawamoto

Effects on Carbon Storage of Conversion of Old-Growth Forests to Young Forests, pp. 699-702

Mark E. Harmon; William K. Ferrell; Jerry F. Franklin

An Aptian Plant with Attached Leaves and Flowers: Implications for Angiosperm Origin, pp. 702-704

David Winship Taylor; Leo J. Hickey

Expression of β-Nerve Growth Factor Receptor mRNA in Sertoli Cells Downregulated by Testosterone, pp. 704-707

Håkan Persson; Christiane Ayer-Le Lievre; Olof Söder; Marcelo J. Villar; Madis Metsis; Lars Olson; Martin Ritzen; Tomas Hökfelt

Induction of Cellular Senescence in Immortalized Cells by Human Chromosome 1, pp. 707-710

Osamu Sugawara; Mitsuo Oshimura; Minoru Koi; Lois A. Annab; J. Carl Barrett

A Potent GAL4 Derivative Activates Transcription at a Distance in Vitro, pp. 710-712

Michael Carey; Janet Leatherwood; Mark Ptashne

Suppression of Tumorigenicity of Human Prostate Carcinoma Cells by Replacing a Mutated RB Gene, pp. 712-715

Robert Bookstein; Jin-Yuh Shew; Phang-Lang Chen; Peter Scully; Wen-Hwa Lee

Antigen Presentation Requires Transport of MHC Class I Molecules from the Endoplasmic Reticulum, pp. 715-718

Josephine H. Cox; Jonathan W. Yewdell; Laurence C. Eisenlohr; Philip R. Johnson; Jack R. Bennink

T Cells Responsive to Myelin Basic Protein in Patients with Multiple Sclerosis, pp. 718-721

Mark Allegretta; Janice A. Nicklas; Subramaniam Sriram; Richard J. Albertini

Influence of Scene-Based Properties on Visual Search, pp. 721-723

James T. Enns; Ronald A. Rensink

Growth Factors Induce Phosphorylation of the Na⁺/H⁺ Antiporter, a Glycoprotein of 110 kD, pp. 723-726

C. Sardet; L. Counillon; A. Franchi; J. Pouysségur

Technical Comments

"Subjective Perception", p. 727

Benjamin Libet; Nikos K. Logothetis

Book Reviews

Unofficial Work, pp. 731-732

The Informal Economy. Studies in Advanced and Less Developed Countries.

Alejandro Portes; Manuel Castells; Lauren A. Benton

Review author[s]: Nancy Foner

Paleoichnology, p. 732

Dinosaur Tracks and Traces.

David D. Gillette; Martin G. Lockley

Review author[s]: Anthony R. Fiorillo

Quantum Electrodynamics., pp. 732-733

Photons and Atoms. Introduction to Quantum Electrodynamics.

Claude Cohen-Tannoudji; Jacques Dupont-Roc; Gilbert Grynberg

Review author[s]: Gerhard C. Hegerfeldt

Neuronal Carbohydrates, p. 733

Neurobiology of Glycoconjugates.

Richard U. Margolis; Renée K. Margolis

Review author[s]: Susan Hockfield

Books Received, pp. 733-734

Back Matter (34 pp.)

Previous Issue: New Series, Vol. 247, No. 4942, Feb. 2, 1990
Next Issue: New Series, Vol. 247, No. 4944, Feb. 16, 1990

Science, New Series, Vol. 247, No. 4944, Feb. 16, 1990

Previous Issue: New Series, Vol. 247, No. 4943, Feb. 9, 1990
Next Issue: New Series, Vol. 247, No. 4945, Feb. 23, 1990

Front Matter (25 pp.)
Priority One: Rescue the Environment, p. 777

Letters

New World Epidemics, pp. 788-789

Martha L. Sempowski; Lorraine P. Saunders; James W. Bradley

Evolutionary Questions: The "Progenote", p. 789

Carl R. Woese

The Tasaday Debate, p. 790

John Nance

SSC Magnet Development, p. 790

Romeo V. Perin

News and Comment

Paleoanthropology Gets Physical, pp. 798-801

Eliot Marshall

Hearing on Lab Vandalism, p. 801

Marjorie Sun

Old Law Puts a New Wrinkle in Fraud Probes, p. 802

Joseph Palca

Science Indicators: Healthy...For Now, p. 803

Colin Norman

Research News

The Microchip Microbe Hunters, pp. 804-806

Joseph Alper

New Lightest Aerogel is Nothing to Look At, p. 807

Robert Pool

Puzzling Out the Tectonic Plates, p. 808

Richard A. Kerr

Concerns Raised About Mouse Models for AIDS, p. 809

Jean Marx

Briefings

China Curbs Outflow of Students, p. 810

Constance Holden

The NSF and Biodiversity, p. 810

Constance Holden

Perils of Moderation, p. 810

Constance Holden

Testing Relativity, p. 810

Constance Holden

Poles Plug In, p. 811

Constance Holden

British Brain Drain, p. 811

Constance Holden

Biotech Protection, p. 811

Constance Holden

Primate Use Down, p. 811

Constance Holden

OTA Speaks Out on Communications, p. 811

Constance Holden

Alps Threatened with Deforestation, p. 811

Constance Holden

Race and Imprisonment Decisions in California, pp. 812-816

Stephen Klein; Joan Petersilia; Susan Turner

"Dead Quasars" in Nearby Galaxies?, pp. 817-823

Martin J. Rees

Research Article

Induction of Chronic Myelogenous Leukemia in Mice by the P210 ^bcr/abl Gene of the Philadelphia Chromosome, pp. 824-830

George Q. Daley; Richard A. Van Etten; David Baltimore

Reports

NMR Characterization of Surface Interactions in the Cytochrome b₅-Cytochrome c Complex, pp. 831-833

Anita M. Burch; Stephen E. J. Rigby; Walter D. Funk; Ross T. A. MacGillivray; Marcia R. Mauk; A. Grant Mauk; Geoffrey R. Moore

Painting the Phase Space Portrait of an Integrable Dynamical System, pp. 833-836

Shannon Coffey; André Deprit; Etienne Deprit; Liam Healy

Activin-Binding Protein from Rat Ovary is Follistatin, pp. 836-838

Takanori Nakamura; Koji Takio; Yuzuru Eto; Hiroshiro Shibai; Koiti Titani; Hiromu Sugino

Endocranial Features of Australopithecus africanus Revealed by 2- and 3-D Computed Tomography, pp. 838-841

Glenn C. Conroy; Michael W. Vannier; Phillip V. Tobias

Genetic Analysis of Histone H4: Essential Role of Lysines Subject to Reversible Acetylation, pp. 841-845

Paul C. Megee; Brian A. Morgan; Barbara A. Mittman; M. Mitchell Smith

Secondary Structure is the Major Determinant for Interaction of HIV rev Protein with RNA, pp. 845-848

Henrik S. Olsen; Peter Nelbock; Alan W. Cochrane; Craig A. Rosen

Expanded HIV-1 Cellular Tropism by Phenotypic Mixing with Murine Endogenous Retroviruses, pp. 848-852

Paolo Lusso; Fulvia di Marzo Veronese; Barbara Ensoli; Genoveffa Franchini; Cristina Jemma; Susan E. DeRocco; V. S. Kalyanaraman; Robert C. Gallo

Glucose, Sulfonylureas, and Neurotransmitter Release: Role of ATP-Sensitive K⁺ Channels, pp. 852-854

Salvatore Amoroso; Heidy Schmid-Antomarchi; Michel Fosset; Michel Lazdunski

Functional Properties of Rat Brain Sodium Channels Expressed in a Somatic Cell Line, pp. 854-858

Todd Scheuer; Vanessa J. Auld; Shelley Boyd; James Offord; Robert Dunn; William A. Catterall

Subcellular Calcium Transients Visualized by Confocal Microscopy in a Voltage-Clamped Vertebrate Neuron, pp. 858-862

Arturo Hernández-Cruz; Francisco Sala; Paul R. Adams

Technical Comments

Evidence for Band Overlap Metallization of Hydrogen, pp. 863-864

Isaac F. Silvera; H. K. Mao; R. J. Hemley

Book Reviews

Evidence from the Ocean, p. 865

Productivity of the Ocean. Present and Past.

W. H. Berger; V. S. Smetacek; G. Wefer

Review author[s]: Peter G. Brewer

Clostridial Renascence, pp. 865-866

Clostridia.

Nigel P. Minton; David J. Clarke

Review author[s]: Eva R. Kashket

A Model in Waiting, pp. 866-867

The Biology of Euglena. Vol. 4, Subcellular Biochemistry and Molecular Biology.

Dennis E. Buetow

Review author[s]: C. A. Price

Concerns of Stratigraphy, p. 867

Quaternary Type Sections. Imagination or Reality?

Jim Rose; Christian Schlüchter

Review author[s]: William R. Farrand

Books Received, p. 867

Back Matter (25 pp.)

Previous Issue: New Series, Vol. 247, No. 4943, Feb. 9, 1990
Next Issue: New Series, Vol. 247, No. 4945, Feb. 23, 1990

Science, New Series, Vol. 247, No. 4945, Feb. 23, 1990

Previous Issue: New Series, Vol. 247, No. 4944, Feb. 16, 1990
Next Issue: New Series, Vol. 247, No. 4946, Mar. 2, 1990

Front Matter (12 pp.)
A National Engineering and Technology Agency, p. 901

W. F. Brinkman

Letters

Space Shuttle Advanced Solid Rocket Motor Testing, p. 904

Roy Estess; Elliot Marshall

Molecule of the Year, pp. 904-905

Curt Covey; Daniel E. Koshland, Jr.; Albert M. Galaburda; Richard C. Bell

Poverty Among U.S. Children, p. 905

Stephen Dewhurst

Shockley: A Scholar, p. 905

J. Philippe Rushton; Constance Holden

News and Comment

Biotechnology on the Auction Block, pp. 906-908

Marcia Barinaga

NIH Goes "Extra Mile" on Gallo, p. 908

Barbara J. Culliton

U.S. Lags on Birth Control Development, p. 909

Leslie Roberts

The Puzzling Pulsar that Wasn't There, p. 910

M. Mitchell Waldrop

Scientists Battle Over Grand Canyon Pollution, pp. 911-912

Mark Crawford

Research News

Mathematics Untwists the Double Helix, pp. 913-915

Barry Cipra

Impact-Geomagnetic Reversal Link Rejected, p. 916

Richard A. Kerr

Hurricane Forecasting Shows Promise, p. 917

Richard A. Kerr

New Telescope Opens for Business, p. 917

M. Mitchell Waldrop

Briefings

Lords Approve Embryo Research, p. 918

Constance Holden

The Next "Nobel"?, p. 918

Constance Holden

NRC Weighs in on Precollege Math, p. 918

Constance Holden

The Prince and the Forests, p. 918

Constance Holden

Yeast Lib, pp. 918-919

Constance Holden

Global Warming Petition, p. 919

Constance Holden

Legal Drugs: A View from Neuroscience, p. 919

Constance Holden

Who Gets a New Liver?, p. 919

Constance Holden

Tritium Production, p. 919

Constance Holden

Planetary Portrait Gallery, p. 919

Constance Holden

Learning Curves in Manufacturing, pp. 920-924

Linda Argote; Dennis Epple

Studies of Unusual Simple Molecules by Neutralization-Reionization Mass Spectrometry, pp. 925-929

Fred W. McLafferty

Protein Sorting to Mitochondria: Evolutionary Conservations of Folding and Assembly, pp. 930-938

Franz-Ulrich Hartl; Walter Neupert

Research Article

Molecular Switch for Signal Transduction: Structural Differences between Active and Inactive Forms of Protooncogenic ras Proteins, pp. 939-945

Michael V. Milburn; Liang Tong; Abraham M. deVos; Axel Brünger; Ziro Yamaizumi; Susumu Nishimura; Sung-Hou Kim

Reports

The MerR Metalloregulatory Protein Binds Mercuric Ion as a Tricoordinate, Metal-Bridged Dimer, pp. 946-948

John D. Helmann; Barry T. Ballard; Christopher T. Walsh

Predator-Induced Life-History Shifts in a Freshwater Snail, pp. 949-951

Todd A. Crowl; Alan P. Covich

Double Fertilization in Ephedra, a Nonflowering Seed Plant: Its Bearing on the Origin of Angiosperms, pp. 951-954

William E. Friedman

Novel Fluorogenic Substrates for Assaying Retroviral Proteases by Resonance Energy Transfer, pp. 954-958

Edmund D. Matayoshi; Gary T. Wang; Grant A. Krafft; John Erickson

Molecular Characterization of a Functional cDNA Encoding the Rat Substance P Receptor, pp. 958-962

Andrew D. Hershey; James E. Krause

Ligand-Induced Transformation by a Noninternalizing Epidermal Growth Factor Receptor, pp. 962-964

Alan Wells; John B. Welsh; Cheri S. Lazar; H. Steven Wiley; Gordon N. Gill; Michael G. Rosenfeld

Requirement for Cotolerogenic Gene Products in the Clonal Deletion of I-E Reactive T Cells, pp. 964-967

David Woodland; Mary Pat Happ; Jerome Bill; Ed Palmer

Mini-Mouse: Disruption of the Pygmy Locus in a Transgenic Insertional Mutant, pp. 967-969

Xin Xiang; Kathleen F. Benson; Kiran Chada

Atrionatriuretic Peptide Transforms Cardiac Sodium Channels into Calcium-Conducting Channels, pp. 969-973

Lisa Ann Sorbera; Martin Morad

A Family of Three Mouse Potassium Channel Genes with Intronless Coding Regions, pp. 973-975

K. George Chandy; Calvin B. Williams; Robert H. Spencer; Barbara A. Aguilar; Sanjiv Ghanshani; Bruce L. Tempel; George A. Gutman

Transplanted Suprachiasmatic Nucleus Determines Circadian Period, pp. 975-978

Martin R. Ralph; Russell G. Foster; Fred C. Davis; Michael Menaker

Regularization Algorithms for Learning that are Equivalent to Multilayer Networks, pp. 978-982

T. Poggio; F. Girosi

Book Reviews

The Ether-Drift Experiment, p. 985

The Michelson Era in American Science, 1870-1930.

Stanley Goldberg; Roger H. Stuewer

Review author[s]: John W. Servos

Erwin Schrödinger, pp. 985-986

Schrödinger. Life and Thought.

Walter Moore

Review author[s]: C. W. Kilmister

Tales of Invention, p. 986

My Life with the Printed Circuit.

Paul Eisler

Review author[s]: Charles Susskind

Shore Life, pp. 986-987

Shore Ecology of the Gulf of Mexico.

Joseph C. Britton; Brian Morton

Review author[s]: Alan J. Kohn

A Coastal Project, pp. 987-988

Nearshore Sediment Transport.

Richard J. Seymour

Review author[s]: Nicholas C. Kraus

Books Received, p. 988

Back Matter (20 pp.)

Previous Issue: New Series, Vol. 247, No. 4944, Feb. 16, 1990
Next Issue: New Series, Vol. 247, No. 4946, Mar. 2, 1990

Science, New Series, Vol. 247, No. 4946, Mar. 2, 1990

Previous Issue: New Series, Vol. 247, No. 4945, Feb. 23, 1990
Next Issue: New Series, Vol. 247, No. 4947, Mar. 9, 1990

Front Matter (41 pp.)
The Asbestos Removal Fiasco, p. 1017

Philip H. Abelson

Letters

DNA Fingerprinting, pp. 1018-1019

John K. Winkler, Jr.; Gobinda Sarkar; George B. Brown; Sanjay Kumar

Erratum: The Response of Living Cells to Very Weak Electric Fields: The Thermal Noise Limit, p. 1019

News and Comment

Quasicrystals: Rules of the Game, pp. 1020-1022

John Horgan

Academy Sued on "Plagiarized" Diet Report, p. 1022

Eliot Marshall

AAAS Meeting: Science and All That Jazz, pp. 1023-1025

J. P.; E. M.

Sharp's Reversal Shocks MIT Campus, p. 1026

Mark Crawford

Yeast Researcher Rises to Top at Whitehead, p. 1026

Barbara J. Cullington

Lasker Foundation Suspends 1990 Awards, p. 1026

Barbara J. Culliton

Monsanto Renews Ties to Washington University, p. 1027

Barbara J. Culliton

Penn Charges Retin-A Inventor with Conflict, pp. 1028-1029

Eliot Marshall

Feud Flares Over Thallium Superconductor, p. 1029

Robert Pool

Research News

Democratizing the DNA Sequence, pp. 1030-1032

Tim Appenzeller

Where Have All the Froggies Gone?, pp. 1033-1034

Marcia Barinaga

Electricity by Serendipity, pp. 1034-1035

Robert Pool

Packing Your n-Dimensional Marbles, p. 1035

Barry Cipra

Briefings

GYRO Experiment Findings Nixed, p. 1036

Mark H. Crawford

Funds Flow to HUGO, p. 1036

Mark H. Crawford

Wyngaarden to NAS, p. 1036

Mark H. Crawford

Asian-American to Lead Berkeley, p. 1036

Mark H. Crawford

Noli Me Tangere, p. 1036

Mark H. Crawford

Biological Feedbacks in Global Desertification, pp. 1043-1048

William H. Schlesinger; James F. Reynolds; Gary L. Cunningham; Laura F. Huenneke; Wesley M. Jarrell; Ross A. Virginia; Walter G. Whitford

Gamma Rays and Neutrinos as Clues to the Origin of High Energy Cosmic Rays, pp. 1049-1056

Thomas K. Gaisser

Ceramic Thin Films: Fabrication and Applications, pp. 1056-1060

M. Sayer; K. Sreenivas

Reports

A Wave Dynamical Interpretation of Saturn's Polar Hexagon, pp. 1061-1063

M. Allison; D. A. Godfrey; R. F. Beebe

The Strange Periodic Comet Machholz, pp. 1063-1067

Daniel W. E. Green; Hans Rickman; Alain C. Porter; Karen J. Meech

Interparticle Collisions Driven by Ultrasound, pp. 1067-1069

Stephen J. Doktycz; Kenneth S. Suslick

Gaussian Free-Energy Dependence of Electron-Transfer Rates in Iridium Complexes, pp. 1069-1071

Lucius S. Fox; Mariusz Kozik; Jay R. Winkler; Harry B. Gray

Direct Coupling of Marine Invertebrate Spawning with Phytoplankton Blooms, pp. 1071-1074

Michel Starr; John H. Himmelman; Jean-Claude Therriault

Inhibition of Serum- and Ras-Stimulated DNA Synthesis by Antibodies to Phospholipase C, pp. 1074-1077

Mark R. Smith; Ya-lun Liu; Hyun Kim; Sue Goo Rhee; Hsiang-Fu Kung

Translation Initiation and Ribosomal Biogenesis: Involvement of a Putative rRNA Helicase and RPL46, pp. 1077-1079

A. B. Sachs; R. W. Davis

Tyrosine Kinase Activity and Transformation Potency of bcr-abl Oncogene Products, pp. 1079-1082

Tracy G. Lugo; Ann-Marie Pendergast; Alexander J. Muller; Owen N. Witte

HTLV-I Trans-Activator Protein, Tax, is a Trans-Repressor of the Human β-Polymerase Gene, pp. 1082-1084

Kuan-Teh Jeang; Steven G. Widen; Oliver J. Semmes IV; Samuel H. Wilson

Enhancement of SIV Infection with Soluble Receptor Molecules, pp. 1084-1088

Jonathan S. Allan; Janet Strauss; David W. Buck

Calcium-Sensitive Cross-Bridge Transitions in Mammalian Fast and Slow Skeletal Muscle Fibers, pp. 1088-1090

Joseph M. Metzger; Richard L. Moss

A Voltage-Dependent Chloride Current Linked to the Cell Cycle in Ascidian Embryos, pp. 1090-1092

Melodye L. Block; William J. Moody

Induction by Soluble Factors of Organized Axial Structures in Chick Epiblasts, pp. 1092-1094

Eduardo Mitrani; Yael Shimoni

Stable Carbon Isotopic Evidence for Carbon Limitation in Hydrothermal Vent Vestimentiferans, pp. 1094-1096

C. R. Fisher; M. C. Kennicutt II; J. M. Brooks

Inside AAAS, pp. 1097-1099

Book Reviews

Social Signs, pp. 1127-1128

The Sociolinguistics of the Deaf Community.

Ceil Lucas

Review author[s]: Jean Berko Gleason

Winter Absences, p. 1128

Where Have All the Birds Gone? Essays on the Biology and Conservation of Birds that Migrate to the American Tropics.

John Terborgh

Review author[s]: Stanley A. Temple

Computational Physics, pp. 1128-1129

Frontiers in Numerical Relativity.

Charles R. Evans; Lee S. Finn; David W. Hobill

Review author[s]: Bernard F. Schutz

Biogenic Minerals, pp. 1129-1130

Biomineralization. Cell Biology and Mineral Deposition.

Kenneth Simkiss; Karl M. Wilbur

On Biomineralization.

Heinz A. Lowenstam; Stephen Weiner

Review author[s]: Arthur Veis

Reprints of Books Previously Reviewed, p. 1130

Books Received, p. 1130

Back Matter (26 pp.)

Previous Issue: New Series, Vol. 247, No. 4945, Feb. 23, 1990
Next Issue: New Series, Vol. 247, No. 4947, Mar. 9, 1990

Science, New Series, Vol. 247, No. 4947, Mar. 9, 1990

Previous Issue: New Series, Vol. 247, No. 4946, Mar. 2, 1990
Next Issue: New Series, Vol. 247, No. 4948, Mar. 16, 1990

Front Matter (18 pp.)
Research Policy and the Peace Dividend, p. 1165

Daniel E. Koshland, Jr.

Letters

Hazardous Waste Sites, p. 1166

Don R. Clay

Low-Dose Radiation Exposure, pp. 1166-1167

Robert W. Miller; Robert L. Brent; Harald H. Rossi

Boston University/Chelsea Project, p. 1167

Peter R. Greer

Milk Products: Surplus or Shortage?, p. 1167

S. L. Spahr

Erratum: Vaccination Against Experimental Allergic Encephalomyelitis with T Cell Receptor Peptides, p. 1167
Erratum: Making Transgenic Mice: Is it Really that Easy?, p. 1167
Erratum: Virus-Like Agent Blamed for Mad Cow Disease, p. 1167

News and Comments

Entomologists in the Medfly Maelstrom, pp. 1168-1169

Marcia Barinaga

Getting to the Heart of the Cholesterol Debate, pp. 1170-1171

Joseph Palca

How Is Basic Science Faring in Canada?, p. 1172

Doug Powell

Risk Assessors Taken to Task, p. 1173

Leslie Roberts

Space Planners Brought Down to Earth, p. 1173

Eliot Marshall

How Do You Measure the Lovejoy Effect?, pp. 1174-1176

Marjorie Sun

NIH Seeks a Chief, Desperately, p. 1176

Barbara J. Culliton

Research News

When a Radical Experiment Goes Bust, pp. 1177-1179

Richard A. Kerr

Twin Quasars Found, p. 1179

Sarah Williams

The Fluids with a Case of Split Personality, pp. 1180-1181

Robert Pool

Gene Therapy Proposed, p. 1181

Barbara J. Culliton

Briefings

NIH Left Peerless for Genome Centers, p. 1182

Constance Holden

Biotechnology: Manpower-Starved?, p. 1182

Constance Holden

Ecologists Honored, p. 1182

Constance Holden

Scientific American Discovers TV, p. 1182

Constance Holden

Superconductor Partners, p. 1182

Constance Holden

Laser Record Set, p. 1182

Constance Holden

Ex-Refusnik Dies, p. 1183

Constance Holden

False Alarm from Vet Slaying?, p. 1183

Constance Holden

No More "Babies as Usual", p. 1183

Constance Holden

Designing for Aging, p. 1183

Constance Holden

Who Leads the (Ivy) League in "Citation Impact"?, p. 1183

Constance Holden

Venus: A Contrast in Evolution to Earth, pp. 1191-1196

William M. Kaula

Fractional Statistics: Quantum Possibilities in Two Dimensions, pp. 1197-1205

G. S. Canright; S. M. Girvin

Reports

The Rotation Period of Saturn's Polar Hexagon, pp. 1206-1208

D. A. Godfrey

Steady-State Coupling of Ion-Channel Conformations to a Transmembrane Ion Gradient, pp. 1208-1210

Edwin A. Richard; Christopher Miller

Conserved Residues Make Similar Contacts in Two Repressor-Operator Complexes, pp. 1210-1213

Carl O. Pabo; Aneel K. Aggarwal; Steven R. Jordan; Lesa J. Beamer; Upul R. Obeysekare; Stephen C. Harrison

An Intron in the Genes for U3 Small Nucleolar RNAs of the Yeast Saccharomyces cerevisiae, pp. 1213-1216

Evelyne Myslinski; Véronique Ségault; Christiane Branlant

Control of the Interferon-Induced 68-Kilodalton Protein Kinase by the HIV-1 tat Gene Product, pp. 1216-1219

Sophie Roy; Michael G. Katze; Neil T. Parkin; Isaac Edery; Ara G. Hovanessian; Nahum Sonenberg

PECAM-1 (CD31) Cloning and Relation to Adhesion Molecules of the Immunoglobulin Gene Superfamily, pp. 1219-1222

Peter J. Newman; Michael C. Berndt; Jack Gorski; Gilbert C. White II; Suzanne Lyman; Cathy Paddock; William A. Muller

Ribozymes as Potential Anti-HIV-1 Therapeutic Agents, pp. 1222-1225

Nava Sarver; Edouard M. Cantin; Pairoj S. Chang; John A. Zaia; Paula A. Ladne; Delilah A. Stephens; John J. Rossi

A T Cell-Specific Transcriptional Enhancer Within the Human T Cell Receptor δ Locus, pp. 1225-1229

Juan Miguel Redondo; Shingo Hata; Cathy Brocklehurst; Michael S. Krangel

The Direction of Membrane Lipid Flow in Locomoting Polymorphonuclear Leukocytes, pp. 1229-1233

Juliet Lee; Mikael Gustafsson; Karl-Eric Magnusson; Ken Jacobson

Selectivity Changes in Site-Directed Mutants of the VDAC Ion Channel: Structural Implications, pp. 1233-1236

Elizabeth Blachly-Dyson; Songzhi Peng; Marco Colombini; Michael Forte

Book Reviews

Eye in the Sky, pp. 1240-1241

The Space Telescope. A Study of NASA, Science, Technology, and Politics.

Robert W. Smith; Paul A. Hanle; Robert H. Kargon; Joseph N. Tatarewicz

The Space Telescope. Eyes above the Atmosphere.

George Field; Donald Goldsmith

Review author[s]: Bruce R. Wheaton

A Rise and Fall, pp. 1241-1242

Gene Dreams. Wall Street, Academia, and the Rise of Biotechnology.

Robert Teitelman

Review author[s]: Gary P. Pisano

Metrology Institutionalized, pp. 1242-1243

An Institute for an Empire. The Physikalisch-Technische Reichsanstalt, 1871-1918.

David Cahan

Review author[s]: Edmund N. Todd

Books Received, pp. 1243-1244

Back Matter (20 pp.)

Previous Issue: New Series, Vol. 247, No. 4946, Mar. 2, 1990
Next Issue: New Series, Vol. 247, No. 4948, Mar. 16, 1990

Science, New Series, Vol. 247, No. 4948, Mar. 16, 1990

Previous Issue: New Series, Vol. 247, No. 4947, Mar. 9, 1990
Next Issue: New Series, Vol. 247, No. 4949, Mar. 23, 1990

Front Matter (15 pp.)
Support for Materials Science and Engineering, p. 1273

Philip H. Abelson

Letters

U.S. Oil and Gas Consumption: Is Another Crisis Ahead?, p. 1280

Daniel B. Hawkins; Robert L. Hirsch

Punitive Damages and Innovation, pp. 1280-1281

D. H. Kaye; Arnold Brown; Robert L. Randall; Richard J. Mahoney; Stephen E. Littlejohn

Erratum: DNA Fingerprinting, p. 1281
Erratum: Academy Sued on 'Plagiarized' Diet Report, p. 1281
Erratum: Neuroscience Models the Brain, p. 1281

News and Comment

SDI Heads for Fiscal Crash, pp. 1283-1285

Colin Norman

In Peru, Even Potato Research is High Risk, pp. 1286-1287

John Walsh

Gene Therapy Clears First Hurdle, p. 1287

Barbara J. Culliton

Greenpeace and Science: Oil and Water?, pp. 1288-1290

Jeremy Cherfas

Research News

Particle Physicists Look to the Heavens, pp. 1291-1293

M. Mitchell Waldrop

Heart Like a Wheel, pp. 1294-1295

Robert Pool

Tweaking Molecules with Laser Light, pp. 1295-1296

Robert Pool

CF Screening Delayed for Awhile, Perhaps Forever, pp. 1296-1297

Leslie Roberts

Ozone Destruction Closer to Home, p. 1297

Richard A. Kerr

Briefings

Prospectors Cash in on Geologist's Find, p. 1298

Mark H. Crawford

Technology Unlocks "Lost" Writings, p. 1298

Mark H. Crawford

Standford Patents Pay, p. 1298

Mark H. Crawford

Transgenic Carp: Pond-Ready?, p. 1298

Mark H. Crawford

Drug Prevention in Junior High: A Multi-Site Longitudinal Test, pp. 1299-1305

Phyllis L. Ellickson; Robert M. Bell

Deciphering the Message in Protein Sequences: Tolerance to Amino Acid Substitutions, pp. 1306-1310

James U. Bowie; John F. Reidhaar-Olson; Wendell A. Lim; Robert T. Sauer

Research Article

Deep Magma Body Beneath the Summit and Rift Zones of Kilauea Volcano, Hawaii, pp. 1311-1316

Paul T. Delaney; Richard S. Fiske; Asta Miklius; Arnold T. Okamura; Maurice K. Sako

Reports

Femtosecond Pulse Sequences Used for Optical Manipulation of Molecular Motion, pp. 1317-1319

A. M. Weiner; D. E. Leaird; Gary P. Wiederrecht; Keith A. Nelson

The Framework Topology of ZSM-18, a Novel Zeolite Containing Rings of Three (Si,Al)-O Species, pp. 1319-1322

Stephen L. Lawton; Wayne J. Rohrbaugh

Amazon Deforestation and Climate Change, pp. 1322-1325

J. Shukla; C. Nobre; P. Sellers

Fossil Soils and Grasses of a Middle Miocene East African Grassland, pp. 1325-1328

Gregory J. Retallack; D. P. Dugas; E. A. Bestland

Requirement for Activin A and Transforming Growth Factor-β1 Pro-Regions in Homodimer Assembly, pp. 1328-1330

Alane M. Gray; Anthony J. Mason

Imaging and Manipulating Molecules on a Zeolite Surface with an Atomic Force Microscope, pp. 1330-1333

A. L. Weisenhorn; J. E. Mac Dougall; S. A. C. Gould; S. D. Cox; W. S. Wise; J. Massie; P. Maivald; V. B. Elings; G. D. Stucky; P. K. Hansma

Molecular Cloning of the Bombyx mori Prothoracicotropic Hormone, pp. 1333-1335

Atsushi Kawakami; Hiroshi Kataoka; Tadanori Oka; Akira Mizoguchi; Mina Kimura-Kawakami; Takashi Adachi; Masafumi Iwami; Hiromichi Nagasawa; Akinori Suzuki; Hironori Ishizaki

Isolation of a cDNA from the Virus Responsible for Enterically Transmitted Non-A, Non-B Hepatitis, pp. 1335-1339

Gregory R. Reyes; Michael A. Purdy; Jungsuh P. Kim; Ka-Cheung Luk; LaVonne M. Young; Kirk E. Fry; Daniel W. Bradley

Calcium-Induced Movement of Troponin-I Relative to Actin in Skeletal Muscle Thin Filaments, pp. 1339-1341

Terence Tao; Bang-Jian Gong; Paul C. Leavis

Hypoxic Dilation of Coronary Arteries is Mediated by ATP-Sensitive Potassium Channels, pp. 1341-1344

Jürgen Daut; Willibald Maier-Rudolph; Nikolas von Beckerath; Gerhard Mehrke; Kerstin Günther; Liselotte Goedel-Meinen

Simulation of Paleocortex Performs Hierarchical Clustering, pp. 1344-1348

José Ambros-Ingerson; Richard Granger; Gary Lynch

Book Reviews

Economies and Cultures, pp. 1349-1350

Economic Anthropology.

Stuart Plattner

Review author[s]: Stephen B. Brush

Evolution and Adaptation, pp. 1350-1351

Complex Organismal Functions. Integration and Evolution in Vertebrates.

D. B. Wake; G. Roth

Review author[s]: Richard Wassersug

Low Probabilities, p. 1351

Large Deviations.

Jean-Dominique Deuschel; Daniel W. Stroock

Review author[s]: S. R. S. Varadhan

Protein Structures, pp. 1351-1352

Prediction of Protein Structure and the Principles of Protein Conformation.

Gerald D. Fasman

Review author[s]: Thomas E. Creighton

Books Received, pp. 1352-1353

Back Matter (19 pp.)

Previous Issue: New Series, Vol. 247, No. 4947, Mar. 9, 1990
Next Issue: New Series, Vol. 247, No. 4949, Mar. 23, 1990

Science, New Series, Vol. 247, No. 4949, Mar. 23, 1990

Previous Issue: New Series, Vol. 247, No. 4948, Mar. 16, 1990
Next Issue: New Series, Vol. 247, No. 4950, Mar. 30, 1990

Front Matter (40 pp.)
Two Plus Two Equals Five, p. 1381

Daniel E. Koshland, Jr.

Letters

Grant Financing: PI Salaries, p. 1385

Robert M. Rosenzweig

Carrel's Cultures, pp. 1385-1386

Jan A. Witkowski

Asteroid Paradox, pp. 1386-1387

George W. Wetherill

The Antibiotic Record, pp. 1387-1388

H. T. Swan

A Broken System?, p. 1388

Christopher S. Foote

Conservation of Rare Plants, p. 1388

Robert W. Kasten, Jr.

News and Comment

Head Start Enters Adulthood, pp. 1400-1402

Constance Holden

DOE's Born-Again Solar Energy Plan, pp. 1403-1404

Mark Crawford

Who Should Study Radiation Effects?, p. 1404

Eliot Marshall

Stanford Psychiatry Deal Falls Through, p. 1405

Barbara J. Culliton

Trials and Tribulations of AIDS Drug Testing, p. 1406

Joseph Palca

Research News

Paleontology by Bulldozer, pp. 1407-1409

Ann Gibbons

Physicists Tackle Theory, Tubes, and Temperature, pp. 1410-1412

Robert Pool

Fiber Fracas at FASEB, p. 1412

Anne Moffat

"Rocking" on the Banks of the Columbia River, p. 1413

Anne Moffat

Briefings

Outside SSC Funding is Limited, p. 1414

Constance Holden

Say What?, p. 1414

Constance Holden

China Scholar Drops Stanford Suit, p. 1414

Constance Holden

Slick Soviet Ads., p. 1414

Constance Holden

Brits Cool to Physics Ad Blitz, p. 1414

Constance Holden

New Grants from Rockefeller, p. 1415

Constance Holden

England Versus the World's Worms, p. 1415

Constance Holden

Protecting Software, p. 1415

Constance Holden

Billions Needed for Child Care, p. 1415

Constance Holden

A Big Bird in the Sky for Scientists?, p. 1415

Constance Holden

Observational Constraints on the Global Atmospheric CO₂ Budget, pp. 1431-1438

Pieter P. Tans; Inez Y. Fung; Taro Takahashi

Sonochemistry, pp. 1439-1445

Kenneth S. Suslick

Research Article

Neurotrophin-3: A Neurotrophic Factor Related to NGF and BDNF, pp. 1446-1451

Peter C. Maisonpierre; Leonardo Belluscio; Stephen Squinto; Nancy Y. Ip; Mark E. Furth; Ronald M. Lindsay; George D. Yancopoulos

Reports

Tumor Cells Exhibit Deregulation of the Cell Cycle Histone Gene Promoter Factor HiNF-D, pp. 1454-1457

Joost Holthuis; Thomas A. Owen; André J. van Wijnen; Kenneth L. Wright; Anna Ramsey-Ewing; Mary Beth Kennedy; Ruth Carter; Stephen C. Cosenza; Kenneth J. Soprano; Jane B. Lian; Janet L. Stein; Gary S. Stein

Tumor Resistance to Alkylating Agents Conferred by Mechanisms Operative Only in Vivo, pp. 1457-1461

Beverly A. Teicher; Terence S. Herman; Sylvia A. Holden; Yenyun Wang; M. Raphael Pfeffer; James W. Crawford; Emil Frei III

Engineering Human Prolactin to Bind to the Human Growth Hormone Receptor, pp. 1461-1465

Brian C. Cunningham; Dennis J. Henner; James A. Wells

Direct Gene Transfer into Mouse Muscle in Vivo, pp. 1465-1468

Jon A. Wolff; Robert W. Malone; Phillip Williams; Wang Chong; Gyula Acsadi; Agnes Jani; Philip L. Felgner

Is Soot Composed Predominantly of Carbon Clusters?, pp. 1468-1471

Lawrence B. Ebert

Thymic Epithelium Tolerizes for Histocompatibility Antigens, pp. 1471-1474

Josselyne Salaün; Antonio Bandeira; Ibrahim Khazaal; Françoise Calman; Monique Coltey; Antonio Coutinho; Nicole M. Le Douarin

The Calcium Channel Blocker Nifedipine Attenuates Slow Excitatory Amino Acid Neurotoxicity, pp. 1474-1477

J. H. Weiss; D. M. Hartley; J. Koh; D. W. Choi

HIP-70: A Protein Induced by Estrogen in the Brain and LH-RH in the Pituitary, pp. 1477-1479

C. V. Mobbs; G. Fink; D. W. Pfaff

Isolation of a G Protein that is Modified by Learning and Reduces Potassium Currents in Hermissenda, pp. 1479-1483

Thomas J. Nelson; Carlos Collin; Daniel L. Alkon

Book Reviews

Examining Homelessness, pp. 1485-1486

Down and Out in America. The Origins of Homelessness.

Peter H. Rossi

Review author[s]: David A. Snow; Leon Anderson

Information from Ice, pp. 1486-1487

The Environmental Record in Glaciers and Ice Sheets.

H. Oeschger; C. C. Langway, Jr.

Review author[s]: C. C. Delwiche

Books Received, p. 1487

Back Matter (33 pp.)

Previous Issue: New Series, Vol. 247, No. 4948, Mar. 16, 1990
Next Issue: New Series, Vol. 247, No. 4950, Mar. 30, 1990

Science, New Series, Vol. 247, No. 4950, Mar. 30, 1990

Previous Issue: New Series, Vol. 247, No. 4949, Mar. 23, 1990
Next Issue: New Series, Vol. 248, No. 4951, Apr. 6, 1990

Volume Information (10 pp.)
Front Matter (10 pp.)
Uncertainties About Global Warming, p. 1529

Philip H. Abelson

Letters

Takeover Bid: Chiron's Discussions with the Media, p. 1530

William J. Rutter

Patent Court Scientist, p. 1530

Kathleen A. Ream

Organoids and Genetic Drugs, p. 1530

Thomas Maciag

Department Size and Quality, pp. 1530-1531

Jonathan A. Gallant; John W. Prothero

Correction: Copy Numbers of HIV-1 RNA, p. 1531

Harriet L. Robinson; Mohan Somasundaran

Erratum: Gore Tex Organoids and Genetic Drugs, p. 1531

News and Comment

Déjà Vu in AIDS Priority Fight, pp. 1532-1533

Barbara J. Culliton

Hot Fusion: A Meltdown in Political Support, pp. 1534-1535

Mark Crawford

MIT Tenure Case Heads for Trial, p. 1536

Colin Norman

Call for Environment Institutes, pp. 1536-1537

Constance Holden

Bacteria Effective in Alaska Cleanup, p. 1537

Mark Crawford

Imported Monkey Puzzle, p. 1538

Marjorie Sun

Trouble Ahead for the SSC?, p. 1538

Mark Crawford

Briefings

Better Numbers on Primate Research, p. 1539

Constance Holden

Activists Urge Ban on Herbicide R&D, p. 1539

Constance Holden

Tyler Prize Goes to Cornell Scientists, p. 1539

Constance Holden

Schizophrenics' Brains, p. 1539

Constance Holden

Research News

Dissecting the Complex Diseases, pp. 1540-1542

Jean Marx

Spontaneous Order, Evolution, and Life, pp. 1543-1545

M. Mitchell Waldrop

The Chase Continues for Metallic Hydrogen, pp. 1545-1546

Robert Pool

Hubble Space Telescope Takes Aim at the Stars, pp. 1546-1547

M. Mitchell Waldrop

Population Dynamics of the United States and the Soviet Union, pp. 1548-1552

Barbara Boyle Torrey; W. Ward Kingkade

Soft X-Ray Lasers and Their Applications, pp. 1553-1557

S. Suckewer; C. H. Skinner

Research Article

Precise Monitoring of Global Temperature Trends from Satellites, pp. 1558-1562

Roy W. Spencer; John R. Christy

Reports

A Cellular Automaton Model of Excitable Media Including Curvature and Dispersion, pp. 1563-1566

Martin Gerhardt; Heike Schuster; John J. Tyson

Discovery of the Oldest Known Anthropoidean Skull from the Paleogene of Egypt, pp. 1567-1569

Elwyn L. Simons

Intragranular Diffusion: An Important Mechanism Influencing Solute Transport in Clastic Aquifers?, pp. 1569-1572

Warren W. Wood; Thomas F. Kraemer; Paul P. Hearn, Jr.

Orientational Dielectric Relaxation of Collisionless Molecules, pp. 1572-1575

Francis W. Farley; Gary M. McClelland

The Actin-Binding Protein Profilin Binds to PIP₂ and Inhibits Its Hydrolysis by Phospholipase C, pp. 1575-1578

Pascal J. Goldschmidt-Clermont; Laura M. Machesky; Joseph J. Baldassare; Thomas D. Pollard

Binding of GAP to Activated PDGF Receptors, pp. 1578-1581

Andrius Kazlauskas; Christine Ellis; Tony Pawson; Jonathan A. Cooper

A New Member of the Leucine Zipper Class of Proteins That Binds to the HLA DRα Promoter, pp. 1581-1584

Hsiou-Chi Liou; Mark R. Boothby; Patricia W. Finn; Ruth Davidon; Nasrin Nabavi; Nancy J. Zeleznik-Le; Jenny P.-Y. Ting; Laurie H. Glimcher

T Cell Antigen Receptor-Mediated Activation of Phospholipase C Requires Tyrosine Phosphorylation, pp. 1584-1587

T. Mustelin; K. M. Coggeshall; N. Isakov; A. Altman

Limit of T Cell Tolerance to Self Proteins by Peptide Presentation, pp. 1587-1589

Hansjörg Schild; Olaf Rötzschke; Hubert Kalbacher; Hans-Georg Rammensee

Endogenous Cholecystokinin Reduces Feeding in Young Rats, pp. 1589-1591

Aron Weller; Gerard P. Smith; James Gibbs

Book Reviews

On Experimentation, pp. 1592-1593

The Uses of Experiment. Studies in the Natural Sciences.

David Gooding; Trevor Pinch; Simon Schaffer

Review author[s]: Yves Gingras

Energy Efforts, pp. 1593-1594

Synthetic Fuel Technology Development in the United States. A Retrospective Assessment.

Michael Crow; Barry Bozeman; Walter Meyer; Ralph Shangraw, Jr.

Review author[s]: Peter J. T. Morris

----------------, p. 1594

Modulation of Defined Vertebrate Neural Circuits.

Michael Davis; Barry L. Jacobs; Ronald I. Schoenfeld

Review author[s]: K. L.

----------------, p. 1594

Advances in Mutagenesis Research. Vol. 1.

G. Obe

Review author[s]: K. L.

Books Received, p. 1594

Back Matter (18 pp.)

Previous Issue: New Series, Vol. 247, No. 4949, Mar. 23, 1990
Next Issue: New Series, Vol. 248, No. 4951, Apr. 6, 1990

Science, New Series, Vol. 248, No. 4951, Apr. 6, 1990

Previous Issue: New Series, Vol. 247, No. 4950, Mar. 30, 1990
Next Issue: New Series, Vol. 248, No. 4952, Apr. 13, 1990

Front Matter (21 pp.)
Society, Cure Thyself, p. 9

Daniel E. Koshland, Jr.

Letters

Engineering School Needs, pp. 17-18

Herbert Fox; A. D. Bosley; William R. Grogan

The Decline of Systematics: Clarifying the Causes, p. 18

Ward B. Watt

Genetic and Physical Mapping of the Human Genome, p. 18

Jacques S. Beckmann

Erratum: Who Leads the (Ivy) League in "`Citation Impact'", p. 18

News and Comment

Eastern Europe: Missing an Opportunity, pp. 20+22

Joseph Palca

Will Glasnost Wash Over U.S. Export Controls?, p. 21

David P. Hamilton

East German Scientists Wary About Unification, p. 23

Richard Sietmann

British Radiation Study Throws Experts into Tizzy, pp. 24-25

Leslie Roberts

NASA Grilled on Space Station "Flaw", p. 26

Eliot Marshall

Will Protests Derail AIDS Meeting?, p. 26

Jeremy Cherfas

Physics for the Future U.S. Work Force, pp. 27-28

Marcia Barinaga

Research News

Making Light Work of Cell Surgery, pp. 29-31

Robert Pool

Marking the Ice Ages in Coral Instead of Mud, pp. 31-33

Richard A. Kerr

What's the Sound of One Ocean Warming?, pp. 33-34

Ann Gibbons

The Practical Chemistry of Boom and Bust, p. 35

Jeremy Cherfas

Briefings

Legislators Ease SSC Litmus Test, p. 36

Mark H. Crawford

NASA Hears Final Sakharov Plea, p. 36

Mark H. Crawford

Science Education Reform Gets Money, p. 36

Mark H. Crawford

Utah Scientist: No Cold Fusion, p. 36

Mark H. Crawford

Xavier's High-Tech Time Capsule, p. 36

Mark H. Crawford

Psychological Responses After Abortion, pp. 41-44

Nancy E. Adler; Henry P. David; Brenda N. Major; Susan H. Roth; Nancy F. Russo; Gail E. Wyatt

The Human Genome Project: Past, Present, and Future, pp. 44-49

James D. Watson

Orchestrating the Human Genome Project, pp. 49-51

Charles R. Cantor

Research Article

Diffuse-Double Layer at a Membrane-Aqueous Interface Measured with X-Ray Standing Waves, pp. 52-56

Michael J. Bedzyk; G. Mark Bommarito; Martin Caffrey; Thomas L. Penner

Reports

Physical Conditions at the Base of a Fast Moving Antarctic Ice Stream, pp. 57-59

Hermann Engelhardt; Neil Humphrey; Barclay Kamb; Mark Fahnestock

Dating Pleistocene Archeological Sites by Protein Diagenesis in Ostrich Eggshell, pp. 60-64

A. S. Brooks; P. E. Hare; J. E. Kokis; G. H. Miller; R. D. Ernst; F. Wendorf

Molecular Cloning and Expression of a Complementary DNA for Inositol 1,4,5-Trisphosphate 3-Kinase, pp. 64-66

Kwan Yong Choi; Ha Kun Kim; Sang Yeol Lee; Kyung Ho Moon; Sang Soo Sim; Jae Won Kim; Hong Keun Chung; Sue Goo Rhee

A Cytosolic Protein Catalyzes the Release of GDP from p21 ^ras, pp. 67-69

Alan Wolfman; Ian G. Macara

Characterization of an Extremely Large, Ligand-Induced Conformational Change in Plasminogen, pp. 69-73

Walter F. Mangel; Bohai Lin; V. Ramakrishnan

Two-Photon Laser Scanning Fluorescence Microscopy, pp. 73-76

Winfried Denk; James H. Strickler; Watt W. Webb

Association of Human Papillomavirus Types 16 and 18 E6 Proteins with p53, pp. 76-79

Bruce A. Werness; Arnold J. Levine; Peter M. Howley

EGF Receptor and erbB-2 Tyrosine Kinase Domains Confer Cell Specificity for Mitogenic Signaling, pp. 79-83

Pier Paolo Di Fiore; Oreste Segatto; William G. Taylor; Stuart A. Aaronson; Jacalyn H. Pierce

The Effect of Electrical Coupling on the Frequency of Model Neuronal Oscillators, pp. 83-85

Thomas B. Kepler; Eve Marder; L. F. Abbott

Inside AAAS, p. 86

Book Reviews

A Species in Crisis, p. 88

Conservation Biology and the Black-Footed Ferret.

Ulysses S. Seal; E. Tom Thorne; Michael A. Bogan; Stanley H. Anderson

Review author[s]: Georgina M. Mace

Ecological Prediction, pp. 88-89

Biological Invasions. A Global Perspective.

J. A. Drake

Review author[s]: Michael Gilpin

New View of the Ionosphere, pp. 89-90

The Earth's Ionosphere. Plasma Physics and Electrodynamics.

Michael C. Kelley; Rodney A. Heelis

Review author[s]: Thomas E. Moore

Nuclei and Particles, p. 90

Weak Interactions in Nuclei.

Barry R. Holstein

Review author[s]: Ernest M. Henley

Books Received, pp. 90-91

Software Review

Macintosh Laboratory Automation: Three Software Packages, pp. 92-97

Review author[s]: Barbara Ann Jezl

Back Matter (19 pp.)

Previous Issue: New Series, Vol. 247, No. 4950, Mar. 30, 1990
Next Issue: New Series, Vol. 248, No. 4952, Apr. 13, 1990

Science, New Series, Vol. 248, No. 4952, Apr. 13, 1990

Previous Issue: New Series, Vol. 248, No. 4951, Apr. 6, 1990
Next Issue: New Series, Vol. 248, No. 4953, Apr. 20, 1990

Front Matter (40 pp.)
The Lost U.S. Excellence in Manufacturing, p. 125

Philip H. Abelson

Letters

Excitotoxic Disorders, p. 144

Peter S. Spencer; Richard G. Allen; Glen E. Kisby; Albert C. Ludolph

Ads in Scientific Journals, pp. 144-145

Robert H. Romer

Grand Canyon Haze, pp. 145-146

Jerry L. Shapiro; Joseph J. Devaney; Thomas Y. Palmer

News and Comment

When Commerce and Academe Collide, pp. 152-156

Eliot Marshall

Pork in a Medical Wrapping, p. 156

Mark Crawford

Freshman Chemistry was Never Like This, pp. 157-158

Robert Pool

Conflict at the RAC, p. 159

Barbara J. Culliton

Research News

Getting Together Bit by Bit, pp. 160-162

Joseph Palca

The Fringe of the Ocean-Under Siege from Land, pp. 163-165

Jeremy Cherfas

Irrationality-Skeptics Strike Back, p. 165

Constance Holden

A FASEB Sampler, p. 166

Sarah Williams; Mark H. Crawford

Briefings

Teasing Young Minds with Biology, p. 167

Constance Holden

Correction: False Alarm from Vet Slaying?, p. 167

Research News

Briefings

Sudanese Scientists Detained, p. 167

Constance Holden

Physics Award Yields High Return, p. 167

Constance Holden

Cocaine Shrinks Your Brain?, p. 167

Constance Holden

A Wasp by any Other Smell..., p. 167

Constance Holden

Some Marine Ecological Phenomena: Chemical Basis and Biomedical Potential, pp. 173-177

Paul J. Scheuer

What the Longest Exposures from the Hubble Space Telescope Will Reveal, pp. 178-183

John N. Bahcall; Puragra Guhathakurta; Donald P. Schneider

The Role of Inheritance in Behavior, pp. 183-188

Robert Plomin

Research Article

Transcriptional Regulator of Oxidative Stress-Inducible Genes: Direct Activation by Oxidation, pp. 189-194

Gisela Storz; Louis A. Tartaglia; Bruce N. Ames

Reports

Efficient Multistep Photoinitiated Electron Transfer in a Molecular Pentad, pp. 199-201

Devens Gust; Thomas A. Moore; Ana L. Moore; Seung-Joo Lee; Edith Bittersmann; David K. Luttrull; Aden A. Rehms; Janice M. DeGraziano; Xiaochun C. Ma; Feng Gao; Robert E. Belford; Todd T. Trier

Primary Sequence Information from Intact Proteins by Electrospray Ionization Tandem Mass Spectrometry, pp. 201-204

Joseph A. Loo; Charles G. Edmonds; Richard D. Smith

Holocene Mean Uplift Rates Across an Active Plate-Collision Boundary in Taiwan, pp. 204-206

Chung-Ho Wang; William C. Burnett

Indication of Increasing Solar Ultraviolet-B Radiation Flux in Alpine Regions, pp. 206-208

Mario Blumthaler; Walter Ambach

Phosphate-Methylated DNA Aimed at HIV-1 RNA Loops and Integrated DNA Inhibits Viral Infectivity, pp. 208-212

Henk M. Buck; Leo H. Koole; Marcel H. P. van Genderen; Lia Smit; Jan L. M. C. Geelen; Suzanne Jurriaans; Jaap Goudsmit

Deforestation History of the Eastern Rain Forests of Madagascar from Satellite Images, pp. 212-215

Glen M. Green; Robert W. Sussman

Code of Ant-Plant Mutualism Broken by Parasite, pp. 215-217

Deborah K. Letourneau

Differential Phosphorylation of c-Abl in Cell Cycle Determined by cdc2 Kinase and Phosphatase Activity, pp. 217-220

Edward T. Kipreos; Jean Y. J. Wang

A Class I Antigen, HLA-G, Expressed in Human Trophoblasts, pp. 220-223

Susan Kovats; Elliott K. Main; Clifford Librach; Marcia Stubblebine; Susan J. Fisher; Robert DeMars

A Promoter that Drives Transgene Expression in Cerebellar Purkinje and Retinal Bipolar Neurons, pp. 223-226

John Oberdick; Richard J. Smeyne; Jeff R. Mann; Saul Zackson; James I. Morgan

Unusual Topogenic Sequence Directs Prion Protein Biogenesis, pp. 226-229

Charles D. Lopez; C. Spencer Yost; Stanley B. Prusiner; Richard M. Myers; Vishwanath R. Lingappa

Reorganization of Retinotopic Cortical Maps in Adult Mammals After Lesions of the Retina, pp. 229-231

Jon H. Kaas; Leah A. Krubitzer; Yuzo M. Chino; Andy L. Langston; Edward H. Polley; Norman Blair

Book Reviews

Uncertainties and Excesses, pp. 232-233

The Myth of Heterosexual AIDS.

Michael Fumento

Review author[s]: Paula A. Treichler

Books Received, pp. 234-235

Back Matter (37 pp.)

Previous Issue: New Series, Vol. 248, No. 4951, Apr. 6, 1990
Next Issue: New Series, Vol. 248, No. 4953, Apr. 20, 1990

Science, New Series, Vol. 248, No. 4953, Apr. 20, 1990

Previous Issue: New Series, Vol. 248, No. 4952, Apr. 13, 1990
Next Issue: New Series, Vol. 248, No. 4954, Apr. 27, 1990

Front Matter (19 pp.)
Planetary Fluids, p. 281

R. Brooks Hanson

Perspective

Sodium-Calcium Exchange in Excitable Cells: Fuzzy Space, p. 283

W. Jonathan Lederer; Ernst Niggli; Robert W. Hadley

Letters

Greenland Ice Sheet: Is It Growing or Shrinking?, pp. 288-289

Bruce C. Douglas; Robert E. Cheney; Laury Miller; Russell W. Agreen; William E. Carter; Douglas S. Robertson; H. Jay Zwally; Anita C. Brenner; Judy A. Major; Robert A. Bindschadler; James G. Marsh

Fish, Money, and Science in Puget Sound, pp. 290-291

Charles J. Gagen; John L. Pitts

News and Comment

Stanford Erupts Over Indirect Costs, pp. 292-294

Marcia Barinaga

East Germany Struggles to Clean Its Air and Water, pp. 295-296

Jeremy Cherfas

NIH: The Endless Search, p. 296

Barbara J. Culliton

Scientific Misconduct Cases Revealed, p. 297

Joseph Palca

Bromley Promises Small Science Focus, p. 297

Colin Norman

Gordon & Breach Impanels a Journal Jury, pp. 298-299

Constance Holden

How the United States Stacks Up in Key Technologies, p. 299

Colin Norman

Research News

A Generational Rift in Geophysics, pp. 300-302

Richard A. Kerr

Is AIDS Dementia Due to Increases in Calcium?, p. 303

Ann Gibbons

Polymer Chemists Are Having a ROMP, pp. 304-305

M. Mitchell Waldrop

"Hairy Enzymes" Stay in the Blood, p. 305

Robert Pool

Briefings

Update: RU 486, p. 306

Constance Holden

Math Students Needed, p. 306

Constance Holden

AIDS Meeting: Visas, p. 306

Constance Holden

Ordinary is Beautiful, p. 306

Constance Holden

The Dimmest "Star", p. 307

Constance Holden

Social Science: NSF's Poor Relation, p. 307

Constance Holden

Changing U.S. Demography, p. 307

Constance Holden

Truth in Labelling, p. 307

Constance Holden

Planetary Fluids

Atmospheric Dynamics of the Outer Planets, pp. 308-315

Andrew P. Ingersoll

The Dynamics of the Oceanic Subtropical Gyres, pp. 316-322

Joseph Pedlosky

Scales and Effects of Fluid Flow in the Upper Crust, pp. 323-329

Lawrence M. Cathles III

Fluid Processes in Subduction Zones, pp. 329-337

Simon M. Peacock

Mantle Oxidation State and Its Relationship to Tectonic Environment and Fluid Speciation, pp. 337-345

Bernard J. Wood; L. Taras Bryndzia; Kathleen E. Johnson

Paleomagnetism and the Nature of the Geodynamo, pp. 345-350

R. T. Merrill; P. L. McFadden

Reports

Seismic-Wave Attenuation Associated with Crustal Faults in the New Madrid Seismic Zone, pp. 351-354

R. M. Hamilton; W. D. Mooney

Theory of Spontaneous Vesicle Formation in Surfactant Mixtures, pp. 354-356

S. A. Safran; P. Pincus; David Andelman

Developmental Arrest During Larval Life and Life-Span Extension in a Marine Mollusc, pp. 356-358

S. E. Miller; M. G. Hadfield

Rational Design of Peptide-Based HIV Proteinase Inhibitors, pp. 358-361

Noel A. Roberts; Joseph A. Martin; Derek Kinchington; Anne V. Broadhurst; J. Charles Craig; Ian B. Duncan; Sarah A. Galpin; Balraj K. Handa; John Kay; Antonin Kröhn; Robert W. Lambert; John H. Merrett; John S. Mills; Kevin E. B. Parkes; Sally Redshaw; Alison J. Ritchie; Debra L. Taylor; Gareth J. Thomas; Peter J. Machin

Immunobiology and Pathogenesis of Heptocellular Injury in Hepatitis B Virus Transgenic Mice, pp. 361-364

Takashi Moriyama; Stephane Guilhot; Kathleen Klopchin; Bernard Moss; Carl A. Pinkert; Richard D. Palmiter; Ralph L. Brinster; Osami Kanagawa; Francis V. Chisari

HIV-1 Coat Protein Neurotoxicity Prevented by Calcium Channel Antagonists, pp. 364-367

Evan B. Dreyer; Peter K. Kaiser; Jeffrey T. Offermann; Stuart A. Lipton

Defective Presentation of Endogenous Antigen by a Cell Line Expressing Class I Molecules, pp. 367-370

Nancy A. Hosken; Michael J. Bevan

Shared Actions of Endotoxin and Taxol on TNF Receptors and TNF Release, pp. 370-372

Aihao H. Ding; Françoise Porteu; Elizabeth Sanchez; Carl F. Nathan

Sodium Current-Induced Release of Calcium from Cardiac Sarcoplasmic Reticulum, pp. 372-376

Normand Leblanc; Joseph R. Hume

The Relationship between Charge Movements Associated with I _Ca and I _Na-Ca in Cardiac Myocytes, pp. 376-378

John H. B. Bridge; John R. Smolley; Kenneth W. Spitzer

Erythropoietin Retards DNA Breakdown and Prevents Programmed Death in Erythroid Progenitor Cells, pp. 378-381

Mark J. Koury; Maurice C. Bondurant

Book Reviews

Perspectives on Education, p. 388

American Teachers. Histories of a Profession at Work.

Donald Warren

Review author[s]: Sally Schwager

Views of Exchanges, pp. 389-390

Science Between the Superpowers.

Yakov M. Rabkin

Techno-Diplomacy. US-Soviet Confrontations in Science and Technology.

Glenn E. Schweitzer

Review author[s]: Paul R. Josephson

----------------, p. 390

Red Panda Biology.

A. R. Glatston

Review author[s]: K. L.

----------------, p. 390

Physiology of Cold Adaptation in Birds.

Claus Bech; Randi Eidsmo Reinertsen

Review author[s]: K. L.

Books Received, p. 390

Back Matter (22 pp.)

Previous Issue: New Series, Vol. 248, No. 4952, Apr. 13, 1990
Next Issue: New Series, Vol. 248, No. 4954, Apr. 27, 1990

Science, New Series, Vol. 248, No. 4954, Apr. 27, 1990

Previous Issue: New Series, Vol. 248, No. 4953, Apr. 20, 1990
Next Issue: New Series, Vol. 248, No. 4955, May 4, 1990

Front Matter (10 pp.)
Science and Technology Policy, p. 421

Philip H. Abelson

Letters

Malaria Vaccines, p. 422

Manuel Elkin Patarroyo; Deirdre Herrington; Stephen L. Hoffman; Myron M. Levine; Daniel M. Gordon; A. P. Waters

Light Bending: Prediction and Theory, pp. 422-423

Thomas P. Wilson; Bernard Bergmann; Clark McCauley; Stephen G. Brush

Water Temperatures, pp. 423-424

David R. Smith; Robert Pool

Erratum: Loma Prieta: Saved by a Short, Sharp Shock, p. 424
Erratum: Heart like a Wheel, p. 424

Association Affairs

Supply and Demand for Scientists and Engineers: A National Crisis in the Making, pp. 425-432

Richard C. Atkinson

News & Comment

Who Will Do Science in the 1990s?, pp. 433-435

Robert Pool

Climate Extravaganza Bombs, p. 436

Leslie Roberts

Bush Hails Science at NAS, p. 436

Barbara J. Culliton

Mountain Sheep Experts Draw Hunters' Fire, pp. 437-438

Eliot Marshall

Research News

Confusion in Earliest America, pp. 439-441

Virginia Morell

Kaposi's Sarcoma Puzzle Begins to Yield, pp. 442-443

Jean Marx

Solar Neutrino-Sunspot Connection Found, pp. 444-445

M. Mitchell Waldrop

Family Portrait, p. 444

Sarah Williams

Who Will Win the El Niño Sweepstakes This Time?, p. 445

Richard A. Kerr

Briefings

Physicists Balk at Journalist's Award, p. 446

Constance Holden

Harvard Takes Math Super Bowl, p. 446

Constance Holden

Research Shuffle at NIMH, p. 446

Constance Holden

Thinking About Mars, p. 446

Constance Holden

Monkeys in Limbo, p. 446

Constance Holden

Dulbecco Takes Salk Job, p. 447

Constance Holden

Engineer Wins Kudos from NSF, p. 447

Constance Holden

Bick Leaves NIH for Italian Foundation, p. 447

Constance Holden

Spinoffs from AIDS Research, p. 447

Constance Holden

Awards for Global Environment Crusaders, p. 447

Constance Holden

The Underclass: Definition and Measurement, pp. 450-453

Ronald B. Mincy; Isabel V. Sawhill; Douglas A. Wolf

Atomistic Mechanisms and Dynamics of Adhesion, Nanoindentation, and Fracture, pp. 454-461

Uzi Landman; W. D. Luedtke; Nancy A. Burnham; Richard J. Colton

Research Article

Ultrahigh-Pressure Melting of Lead: A Multidisciplinary Study, pp. 462-465

B. K. Godwal; Charles Meade; Raymond Jeanloz; Alberto Garcia; Amy Y. Liu; Marvin L. Cohen

Reports

Coral-Bryozoan Mutualism: Structural Innovation and Greater Resource Exploitation, pp. 466-468

Frank K. McKinney; Thomas W. Broadhead; Michael A. Gibson

Twinning in MgSiO₃ Perovskite, pp. 468-471

Yanbin Wang; Francois Guyot; Amir Yeganeh-Haeri; Robert C. Liebermann

GT-1 Binding Site Confers Light Responsive Expression in Transgenic Tobacco, pp. 471-474

Eric Lam; Nam-Hai Chua

Ostwald Ripening of Clays and Metamorphic Minerals, pp. 474-477

Dennis D. Eberl; Jan Środoń; Martin Kralik; Bruce E. Taylor; Zell E. Peterman

Phosphorus Uptake by Pigeon Pea and Its Role in Cropping Systems of the Indian Subcontinent, pp. 477-480

Noriharu Ae; Joji Arihara; Kensuke Okada; Teruhiko Yoshihara; Chris Johansen

RNA Polymerase II Transcription Blocked by Escherichia coli Lac Repressor, pp. 480-483

Ulrich Deuschle; Robert A. Hipskind; Hermann Bujard

A 49-Kilodalton Phosphoprotein in the Drosophila Photoreceptor is an Arrestin Homolog, pp. 483-486

Takuma Yamada; Yutaka Takeuchi; Naoka Komori; Hisao Kobayashi; Yutaka Sakai; Yoshiki Hotta; Hiroyuki Matsumoto

A Bacterial Enhancer Functions to Tether a Transcriptional Activator Near a Promoter, pp. 486-490

Andrew Wedel; David S. Weiss; David Popham; Peter Dröge; Sydney Kustu

Primary Structure of the γ Subunit of the DHP-Sensitive Calcium Channel from Skeletal Muscle, pp. 490-492

Scott D. Jay; Steven B. Ellis; Ann F. McCue; Mark E. Williams; Thomas S. Vedvick; Michael M. Harpold; Kevin P. Campbell

Evidence that β-Amyloid Protein in Alzheimer's Disease is not Derived by Normal Processing, pp. 492-495

S. S. Sisodia; E. H. Koo; K. Beyreuther; A. Unterbeck; D. L. Price

Two Gap Genes Mediate Maternal Terminal Pattern Information in Drosophila, pp. 495-498

Detlef Weigel; Gerd Jürgens; Martin Klingler; Herbert Jäckle

Technical Comments

Oldest Pinniped, pp. 499-500

Charles A. Repenning; Annalisa Berta; André R. Wyss

Book Reviews

Financial Behavior, pp. 501-502

As We Forgive Our Debtors. Bankruptcy and Consumer Credit in America.

Teresa A. Sullivan; Elizabeth Warren; Jay Lawrence Westbrook

Review author[s]: Ramona K. Z. Heck

Biomedical Progress Report, p. 502

Sickle Cell Disease.

Charles F. Whitten; John F. Bertles

Review author[s]: John C. Parker; Eugene P. Orringer

Guppies and Their Kin, pp. 502-503

Ecology and Evolution of Livebearing Fishes (Poeciliidae).

Gary K. Meffe; Franklin F. Snelson, Jr.

Review author[s]: Fred W. Allendorf

----------------, p. 503

Biological Clocks and Environmental Time.

Serge Daan; Eberhard Gwinner

Review author[s]: K. L.

----------------, p. 503

Immunopharmacology Reviews. Vol. 1.

John W. Hadden; Andor Szentivanyi

Review author[s]: K. L.

Books Received, pp. 503-504

Back Matter (16 pp.)

Previous Issue: New Series, Vol. 248, No. 4953, Apr. 20, 1990
Next Issue: New Series, Vol. 248, No. 4955, May 4, 1990

Science, New Series, Vol. 248, No. 4955, May 4, 1990

Previous Issue: New Series, Vol. 248, No. 4954, Apr. 27, 1990
Next Issue: New Series, Vol. 248, No. 4956, May 11, 1990

Front Matter (19 pp.)
Wiring the Campuses, p. 529

Richard C. Atkinson; Donald W. Anderson

Letters

The Value of Animal Research, p. 538

Robert A. Good

Federal Housing and Poverty, pp. 538-539

Peter J. Ferrara

Racemization Dating, pp. 539-540

Jeffrey L. Bada; Keith A. Kvenvolden

News and Comment

NSF: Hard Times Amid Plenty, pp. 541-543

Joseph Palca

A Clash Over Standards for Scientific Records, pp. 544-545

Eliot Marshall

Bromley Moves West, p. 544

Barbara J. Culliton

Biotech Companies Lobby for Federal Regulation, pp. 546-547

Mark Crawford

NIH Director: The Final Lap?, p. 547

Barbara J. Culliton

Briefings

NAS Condemns Soviet Anti-Semitism, p. 548

Constance Holden

New Home for Ehrlich Institute, p. 548

Constance Holden

Pressing the Japanese, p. 548

Constance Holden

Did Queen Write Shakespeare's Sonnets?, p. 548

Constance Holden

Federal Job Exam Reformed, p. 549

Constance Holden

Top Focus Needed for AIDS Effort, p. 549

Constance Holden

Watch Out! Here Comes the Greenhouse, p. 549

Constance Holden

High School Science, p. 549

Constance Holden

Research News

An Animal Genome Project?, pp. 550-552

Leslie Roberts

China: A Living Lab for Epidemiology, pp. 553-555

Anne Simon Moffat

Tapping into Nerve Conversations, p. 555

Sarah Williams

Risk Within Reason, pp. 559-564

Richard J. Zeckhauser; W. Kip Viscusi

The Formation of Sunlike Stars, pp. 564-572

Charles J. Lada; Frank H. Shu

Research Article

An RNA Polymerase-Binding Protein That Is Required for Communication Between an Enhancer and a Promoter, pp. 573-578

Daniel R. Herendeen; Kelly P. Williams; George A. Kassavetis; E. Peter Geiduschek

Reports

Evolutionary Significance of Morphospecies: A Test with Cheilostome Bryozoa, pp. 579-583

Jeremy B. C. Jackson; Alan H. Cheetham

Anesthesia Cutoff Phenomenon: Interfacial Hydrogen Bonding, pp. 583-585

Jang-Shing Chiou; Shao-Mu Ma; Hiroshi Kamaya; Issaku Ueda

A Mn ²⁺ -Dependent Ribozyme, pp. 585-588

V. Dange; Reuel B. Van Atta; Sidney M. Hecht

Expression of a Zinc Finger Gene in HTLV-I- and HTLV-II-Transformed Cells, pp. 588-591

John J. Wright; Kurt C. Gunter; Hiroaki Mitsuya; Steven G. Irving; Kathleen Kelly; Ulrich Siebenlist

In Vivo Receptor-Mediated Phosphorylation of a G Protein in Dictyostelium, pp. 591-593

Robert E. Gundersen; Peter N. Devreotes

Tick Anticoagulant Peptide (TAP) Is a Novel Inhibitor of Blood Coagulation Factor Xa, pp. 593-596

Lloyd Waxman; Donna E. Smith; Karen E. Arcuri; George P. Vlasuk

l-Cysteine, a Bicarbonate-Sensitive Endogenous Excitotoxin, pp. 596-599

John W. Olney; Charles Zorumski; Madelon T. Price; Joann Labruyere

K⁺ Current Diversity Is Produced by an Extended Gene Family Conserved in Drosophila and Mouse, pp. 599-603

Aguan Wei; Manuel Covarrubias; Alice Butler; Keith Baker; Michael Pak; Lawrence Salkoff

Human Cortical Neuronal Cell Line: Establishment from a Patient with Unilateral Megalencephaly, pp. 603-605

Gabriele V. Ronnett; Lynda D. Hester; Jeffrey S. Nye; Karen Connors; Solomon H. Snyder

Identity of Inositol 1,2-Cyclic Phosphate 2-Phosphohydrolase with Lipocortin III, pp. 605-607

Theodora S. Ross; Jonathan F. Tait; Philip W. Majerus

Effect of Phospholipase C-γ Overexpression on PDGF-Induced Second Messengers and Mitogenesis, pp. 607-610

B. Margolis; A. Zilberstein; C. Franks; S. Felder; S. Kremer; A. Ullrich; S. G. Rhee; K. Skorecki; J. Schlessinger

Inside AAAS, pp. 611-613

Book Reviews

The Star Wars Story, p. 614

A Shield in Space? Technology, Politics, and the Strategic Defense Initiative

Sanford Lakoff; Herbert F. York

Review author[s]: Matthew Bunn

A Scientific Ascent, pp. 614-615

Science in Germany. The Interaction of Institutional and Intellectual Issues.

Kathryn M. Olesko

Review author[s]: Alan J. Rocke

Our Continent, pp. 615-616

The Geology of North America. An Overview.

Albert W. Bally; Allison R. Palmer

Review author[s]: Warren B. Hamilton

----------------, p. 616

Archaeological Thought in America.

C. C. Lamberg-Karlovsky

Review author[s]: K. L.

----------------, p. 616

Prehistory at Cambridge and Beyond.

Grahame Clark

Review author[s]: K. L.

Book Received, pp. 616-617

Back Matter (19 pp.)

Previous Issue: New Series, Vol. 248, No. 4954, Apr. 27, 1990
Next Issue: New Series, Vol. 248, No. 4956, May 11, 1990

Science, New Series, Vol. 248, No. 4956, May 11, 1990

Previous Issue: New Series, Vol. 248, No. 4955, May 4, 1990
Next Issue: New Series, Vol. 248, No. 4957, May 18, 1990

Front Matter (40 pp.)
The Underside of Overhead, p. 645

Daniel E. Koshland, Jr.

Letters

Health Care Rationing, pp. 661-665

Paul Root Wolpe; Wayne Higgins; Warren G. Guntheroth; Ralph Crawshaw; Henry Aaron; William B. Schwartz

Competition Exclusion Principle, p. 665

Jim Moore

News and Comment

Struggling to Do Science for Society, pp. 672-673

Robert Pool

Learning to Drink from a Fire Hose, pp. 674-675

M. Mitchell Waldrop

Dingell: AIDS Researcher in Conflict, p. 676

Barbara J. Culliton

U.S. Math Still in Poor Health, pp. 676-677

Ann Gibbons

British Museum in Turmoil, p. 677

Jeremy Cherfas

Billion-Dollar Orphans: Prescription for Trouble, pp. 678-679

Ann Gibbons

Briefings

Population Is Environmental, p. 680

Constance Holden

Faculty Salaries Flat, p. 680

Constance Holden

Einstein Collection Available, p. 680

Constance Holden

Alaska OK's Oil Cleanup Chemical, pp. 680-681

Constance Holden

Physics Panel Sets Priorities for 1990s, p. 681

Constance Holden

Rat Fluoride Study "Equivocal", p. 681

Constance Holden

NIH: New Rumor List, p. 681

Constance Holden

Superconductivity: Japan Versus U.S., p. 681

Constance Holden

View of a "Clumpy" Universe, p. 681

Constance Holden

Research News

Mycoplasmas in the AIDS Spotlight, pp. 682-683

Karen Wright

Sunspot-Weather Link Is Down But Not Out, pp. 684-685

Richard A. Kerr

"Superantigens" May Shed Light on Immune Puzzle, pp. 685-686

Michelle Hoffman

Numerical Transforms, pp. 697-704

R. N. Bracewell

The Staphylococcal Enterotoxins and Their Relatives, pp. 705-711

Philippa Marrack; John Kappler

Research Article

Crystal Structures of an Antibody to a Peptide and Its Complex with Peptide Antigen at 2.8 Å, pp. 712-719

Robyn L. Stanfield; Terry M. Fieser; Richard A. Lerner; Ian A. Wilson

Reports

Mars: Change in Axial Tilt Due to Climate?, pp. 720-721

David Parry Rubincam

Spatial Variation of Ozone Depletion Rates in the Springtime Antarctic Polar Vortex, pp. 721-724

Yuk L. Yung; Mark Allen; David Crisp; Richard W. Zurek; Stanley P. Sander

A Genetic Test of the Natal Homing Versus Social Facilitation Models for Green Turtle Migration, pp. 724-727

Anne B. Meylan; Brian W. Bowen; John C. Avise

Cloning of a 67-kD Neutrophil Oxidase Factor with Similarity to a Noncatalytic Region of p60 ^c-src, pp. 727-730

Thomas L. Leto; Karen J. Lomax; Bryan D. Volpp; Hiroyuki Nunoi; Joan M. G. Sechler; William M. Nauseef; Robert A. Clark; John I. Gallin; Harry L. Malech

Induction of Salmonella Stress Proteins upon Infection of Macrophages, pp. 730-732

Nancy A. Buchmeier; Fred Heffron

Organization of the Human and Mouse Low-Affinity FcγR Genes: Duplication and Recombination, pp. 732-735

Wei Qiao Qiu; Derik De Bruin; Bernard H. Brownstein; Roger Pearse; Jeffrey V. Ravetch

Peptide Immunogen Mimicry of a Protein-Specific Structural Epitope on Human Choriogonadotropin, pp. 736-739

Jean-Michel Bidart; Federic Troalen; Pascale Ghillani; Nathalie Rouas; Alain Razafindratsita; Claude Bohuon; Dominique Bellet

Regulation of Alloreactivity in Vivo by a Soluble Form of the Interleukin-1 Receptor, pp. 739-742

William C. Fanslow; John E. Sims; Helmut Sassenfeld; Philip J. Morrissey; Steven Gillis; Steven K. Dower; Michael B. Widmer

Phosphorylation of the Polymeric Immunoglobulin Receptor Required for Its Efficient Transcytosis, pp. 742-745

James E. Casanova; Philip P. Breitfeld; Stuart A. Ross; Keith E. Mostov

Protease Nexin-II (Amyloid β-Protein Precursor): A Platelet α- Granule Protein, pp. 745-748

William E. Van Nostrand; Alvin H. Schmaier; Jeffrey S. Farrow; Dennis D. Cunningham

Book Reviews

Soviet Science: Practitioners' Reports, p. 750

Soviet Science on the Edge of Reform.

Harley D. Balzer

Review author[s]: David Holloway

Evolution of Life Histories, pp. 750-751

Alternative Life-History Styles of Animals.

Michael N. Bruton

Review author[s]: Henry M. Wilbur

----------------, p. 751

Biology and Utilization of the Cucurbitaceae.

David M. Bates; Richard W. Robinson; Charles Jeffrey

Review author[s]: K. L.

----------------, pp. 751-752

Herbicides and Plant Metabolism.

A. D. Dodge

Review author[s]: K. L.

Books Received, p. 752

Back Matter (32 pp.)

Previous Issue: New Series, Vol. 248, No. 4955, May 4, 1990
Next Issue: New Series, Vol. 248, No. 4957, May 18, 1990

Science, New Series, Vol. 248, No. 4957, May 18, 1990

Previous Issue: New Series, Vol. 248, No. 4956, May 11, 1990
Next Issue: New Series, Vol. 248, No. 4958, May 25, 1990

Front Matter (14 pp.)
New Technology for Cleaner Air, p. 793

Philip H. Abelson

Perspective

GTP-GDP Exchange Proteins, p. 794

Alexander Levitzki

Letters

NIH Director: Recommendations, p. 795

Maxine F. Singer

Asbestos, Carcinogenicity, and Public Policy, pp. 795-802

Arnold R. Brody; Sheldon W. Samuels; William J. Nicholson; Edward M. Johnson; John S. Harington; James Melius; Philip J. Landrigan; Kenny S. Crump; B. T. Mossman; J. Bignon; M. Corn; A. Seaton; J. B. L. Gee

Cooling Towers, Not "Smokestacks", p. 802

Warren H. White

Erratum: Genomic Sequencing and Methylation Analysis by Ligation Mediated PCR, p. 802
Erratum: In vivo Footprinting of a Muscle Specific Enhancer by Ligation Mediated PCR, p. 802
Erratum: Freshman Chemistry was Never Like This, p. 802
Erratum: Truth in Labelling, p. 802

News and Comment

Grants Squeeze Stirs Up Lobbyists, pp. 803-804

Joseph Palca

Genome Backlash Going Full Force, p. 804

Leslie Roberts

The Genetic Map Is Back on Track After Delays, p. 805

Leslie Roberts

Astronomers Want New Optical Telescopes, but..., pp. 806-807

Ann Gibbons

Census Adjustment Battle Heats Up, pp. 807-808

David P. Hamilton

The Case of the Altered Notebooks: Part IV, p. 809

Barbara J. Culliton

Briefings

Uncle Sam Needs Indiana Jones, p. 810

Constance Holden

The Rise of the Ninja Chipmunk, p. 810

Constance Holden

New Investigator Awards at NSF, p. 810

Constance Holden

Laser Cut-Up, pp. 810-811

Constance Holden

HUGO Gets $1 Million from Hughes, p. 811

Constance Holden

Welch Award, p. 811

Constance Holden

The PHS's Animal Offensive, p. 811

Constance Holden

Budding Biologist Says No to Frog Lab, p. 811

Constance Holden

Research News

Insights from Broken Brains, pp. 812-814

Joseph Palca

Dinosaurs' Death Blow in the Caribbean Sea?, p. 815

Richard A. Kerr

Savoring Chemistry in the Land of the Cod, pp. 816-817

M. Mitchell Waldrop

The Need to Reform Personal Injury Law Leaving Scientific Disputes to Scientists, pp. 823-827

Stephen D. Sugarman

Gamma-Ray Measurements of a Soviet Cruise-Missile Warhead, pp. 828-834

Steve Fetter; Thomas B. Cochran; Lee Grodzins; Harvey L. Lynch; Martin S. Zucker

Reports

Evidence for Magnetospheric Effects on the Sodium Atmosphere of Mercury, pp. 835-838

A. E. Potter; T. H. Morgan

Identification of the Products from the Reaction of Chlorine with the Silicon(111)-(7 × 7) Surface, pp. 838-840

John J. Boland; J. S. Villarrubia

Electro-Optical Evidence for the Chelate Effect at Semiconductor Surfaces, pp. 840-843

George C. Lisensky; Rona L. Penn; Catherine J. Murphy; Arthur B. Ellis

Proximal Cretaceous-Tertiary Boundary Impact Deposits in the Caribbean, pp. 843-847

Alan R. Hildebrand; William V. Boynton

Structural Motif of the GCN4 DNA Binding Domain Characterized by Affinity Cleaving, pp. 847-850

Martha G. Oakley; Peter B. Dervan

Interaction of Hsp 70 with Newly Synthesized Proteins: Implications for Protein Folding and Assembly, pp. 850-854

Richard P. Beckmann; Lee A. Mizzen; William J. Welch

Relation of Neuronal APP-751/APP-695 mRNA Ratio and Neuritic Plaque Density in Alzheimer's Disease, pp. 854-857

Steven A. Johnson; Thomas McNeill; Barbara Cordell; Caleb E. Finch

Genetic Suppression of Mutations in the Drosophila abl Proto-Oncogene Homolog, pp. 857-860

Frank B. Gertler; John S. Doctor; F. Michael Hoffmann

No Specific Recognition of Leader Peptide by SecB, a Chaperone Involved in Protein Export, pp. 860-863

L. L. Randall; T. B. Topping; S. J. S. Hardy

Inhibition of FKBP Rotamase Activity by Immunosuppressant FK506: Twisted Amide Surrogate, pp. 863-866

Michael K. Rosen; Robert F. Standaert; Andrzej Galat; Masashi Nakatsuka; Stuart L. Schreiber

Enhancement of the GDP-GTP Exchange of RAS Proteins by the Carboxyl- Terminal Domain of SCD25, pp. 866-868

Jean-Bernard Créchet; Patrick Poullet; Michel-Yves Mistou; Andrea Parmeggiani; Jacques Camonis; Emmanuelle Boy-Marcotte; Faten Damak; Michel Jacquet

Book Reviews

Allegiances Under Question, pp. 870-871

Universities and the Military.

David A. Wilson

Review author[s]: Stuart W. Leslie

A Case Study in Patronage, p. 872

A Fragile Power. Scientists and the State.

Chandra Mukerji

Review author[s]: Karl Hufbauer

Transformations in Physics, pp. 872-874

The Restructuring of Physical Science in Europe and the United States, 1945-1960.

Michelangelo De Maria; Mario Grilli; Fabio Sebastiani

Review author[s]: Robert W. Seidel

The Cyclotroneers, pp. 874-875

Lawrence and His Laboratory. A History of the Lawrence Berkeley Laboratory, vol. 1.

John L. Heilbron; Robert W. Seidel

Review author[s]: Dominique Pestre

Kelvin in His Times, pp. 875-877

Energy and Empire. A Biographical Study of Lord Kelvin.

Crosbie Smith; M. Norton Wise

Review author[s]: Stephen G. Brush

Persuasion at a Distance, pp. 877-878

Shaping Written Knowledge. The Genre and Activity of the Experimental Article in Science.

Charles Bazerman

Review author[s]: Ian Hacking

Einstein Getting Established, pp. 878-879

The Collected Papers of Albert Einstein. Vol. 2, The Swiss Years: Writings, 1900-1909.

John Stachel; David C. Cassidy; Jürgen Renn; Robert Schulmann

Review author[s]: David Cahan

New Examinations, p. 879

Einstein and the History of General Relativity.

Don Howard; John Stachel

Review author[s]: Clark Glymour

Physics, Mathematics, and Minds, pp. 880-881

The Emperor's New Mind. Concerning Computers, Minds, and the Laws of Physics.

Roger Penrose

Review author[s]: Wojciech H. Zurek

Russians on the Psyche, pp. 881-883

Russian Psychology. A Critical History.

David Joravsky

Review author[s]: Sheila Fitzpatrick

Radical Anatomy, pp. 883-884

The Politics of Evolution. Morphology, Medicine, and Reform in Radical London.

Adrian Desmond

Review author[s]: William Montgomery

Burt Again, pp. 884-886

The Burt Affair.

Robert B. Joynson

Review author[s]: Leila Zenderland

The Discourse of Primatology, pp. 886-887

Primate Visions. Gender, Race, and Nature in the World of Modern Science.

Donna Haraway

Review author[s]: George E. Marcus

The Productivity Question, pp. 887-889

Productivity and American Leadership. The Long View.

William J. Baumol; Sue Anne Batey Blackman; Edward N. Wolff

Review author[s]: Lance E. Davis

Ventures Before MITI, pp. 889-891

Managing Industrial Enterprise. Cases from Japan's Prewar Experience.

William D. Wray

Review author[s]: Thomas K. McCraw

Organizations and Careers, pp. 891-892

The Bureaucratic Labor Market. The Case of the Federal Civil Service.

Thomas A. DiPrete

Review author[s]: William P. Bridges

A Cooperative Innovation, p. 892

The American Synthetic Rubber Research Program.

Peter J. T. Morris

Review author[s]: John K. Smith

Words About Invention, pp. 892-894

Inventing for Fun and Profit.

Jacob Rabinow

Review author[s]: Henry Petroski

Technology of the Ubiquitous, pp. 894-895

The Pencil. A History of Design and Circumstance.

Henry Petroski

Review author[s]: Robert Friedel

Policy Shortfalls, pp. 895-896

The Environmental Protection Agency. Asking the Wrong Questions.

Marc K. Landy; Marc J. Roberts; Stephen R. Thomas

Review author[s]: Sheila Jasanoff

A Move for Protection, pp. 896-897

Pure Food. Securing the Federal Food and Drugs Act of 1906.

James Harvey Young

Review author[s]: John A. Heitmann

Considering the Ants, pp. 897-898

The Ants.

Bert Hölldobler; Edward O. Wilson

Review author[s]: Nigel R. Franks

Cephalopodologie, pp. 898-899

Traité de Zoologie. Anatomie, Systématique, Biologie.

Pierre P. Grasse

Review author[s]: Clyde F. E. Roper

Horse Sense, pp. 899-900

The Evolution of Perissodactyls.

Donald R. Prothero; Robert B. Schoch

Review author[s]: Leonard Krishtalka

A Death in the Pleistocene, pp. 900-901

Frozen Fauna of the Mammoth Steppe. The Story of Blue Babe.

R. Dale Guthrie

Review author[s]: S. David Webb

Muller's Ratchet, p. 901

Sex and Death in Protozoa. The History of an Obsession.

Graham Bell

Review author[s]: Richard E. Lenski

Feathered Models, pp. 901-902

American Warblers. An Ecological and Behavioral Perspective.

Douglas H. Morse

Review author[s]: Richard T. Holmes

Foundations of Planktology, pp. 902-904

Biological Oceanography. An Early History, 1870-1960.

Eric L. Mills

Review author[s]: W. H. Berger

Geophysical Interplays, pp. 904-905

El Niño, La Niña, and the Southern Oscillation.

S. George Philander

Review author[s]: Carl Wunsch

A Deep-Sea Quest, p. 905

Gorda Ridge. A Seafloor Spreading Center in the United States' Exclusive Economic Zone.

Gregory R. McMurray

Review author[s]: Tj. H. Van Andel

The San Historicized, pp. 905-907

Land Filled with Flies. A Political Economy of the Kalahari.

Edwin N. Wilmsen

Review author[s]: Pauline Peters

Adventure and Ethnography, pp. 907-908

A Victorian Earl in the Arctic. The Travels and Collections of the Fifth Earl of Lonsdale, 1888-89.

Shepard Krech III

Review author[s]: Edwin S. Hall

A Chinatown Assemblage, pp. 908-909

The Chinese of Early Tucson. Historic Archaeology from the Tucson Urban Renewal Project.

Florence C. Lister; Robert H. Lister

Review author[s]: Robert L. Schuyler

Books Reviewed in Science 19 May 1989 through 11 May 1990, pp. 909-911

Back Matter (21 pp.)

Previous Issue: New Series, Vol. 248, No. 4956, May 11, 1990
Next Issue: New Series, Vol. 248, No. 4958, May 25, 1990

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Previous Issue: New Series, Vol. 248, No. 4957, May 18, 1990
Next Issue: New Series, Vol. 248, No. 4959, Jun. 1, 1990

Front Matter (19 pp.)
Opportunities in Agricultural Research, p. 941

Philip H. Abelson

Letters

Civilian Technology Development, pp. 942-943

Leo L. Beranek; Louis Smullin; Kosta Tsipis

"Progenote" or "Protogenote"?, pp. 943-944

Steven A. Benner; Andrew D. Ellington

Quasicrystal Publications, p. 944

Frank W. Gayle; John Horgan

News and Comment

Data Sharing: A Declining Ethic?, pp. 952+954-955+957

Eliot Marshall

Genome Project: An Experiment in Sharing, p. 953

Leslie Roberts

The Great Clone Giveaway (1 p.)

Leslie Roberts

Information Decontrol Urged, pp. 957-958

David P. Hamilton

Neglected Neurotoxicants, p. 958

Sarah Williams

Research News

Fast, Cheap, and Out of Control, pp. 959-961

M. Mitchell Waldrop

Biotechnology Takes Root in the Third World, pp. 962-963

Ann Gibbons

Briefings

Drugs and Biotechnology, p. 964

Constance Holden

Climate Experts Say It Again: Greenhouse Is Real, p. 964

Constance Holden

Baltimore Assembles Team, p. 964

Constance Holden

EARTHWINDS Around the World, p. 964

Constance Holden

Science for Nonscience Majors, pp. 964-965

Constance Holden

DOE Fills Biology Post, p. 965

Constance Holden

A Sailing Race to Mars?, p. 965

Constance Holden

Finland to Join CERN, p. 965

Constance Holden

Citation Impact on the Coast, p. 965

Constance Holden

The Superswell and Mantle Dynamics Beneath the South Pacific, pp. 969-975

Marcia K. McNutt; Anne V. Judge

Radar Reflectivity of Titan, pp. 975-980

Duane O. Muhleman; Arie W. Grossman; Bryan J. Butler; Martin A. Slade

Research Article

A New Redox Cofactor in Eukaryotic Enzymes: 6-Hydroxydopa at the Active Site of Bovine Serum Amine Oxidase, pp. 981-987

Susan M. Janes; David Mu; David Wemmer; Alan J. Smith; Surinder Kaur; David Maltby; Alma L. Burlingame; Judith P. Klinman

Reports

Coincidence Counting in Time-of-Flight Mass Spectrometry: A Test for Chemical Microhomogeneity, pp. 988-990

M. A. Park; K. A. Gibson; L. Quinones; E. A. Schweikert

Image Reconstruction of the Interior of Bodies That Diffuse Radiation, pp. 990-993

J. R. Singer; F. Alberto Grünbaum; Philip Kohn; Jorge Passamani Zubelli

Ultradeep (Greater Than 300 Kilometers), Ultramafic Upper Mantle Xenoliths, pp. 993-996

Stephen E. Haggerty; Violaine Sautter

Increase in the Stratospheric Background Sulfuric Acid Aerosol Mass in the Past 10 Years, pp. 996-1000

D. J. Hofmann

Faults in the Mojave Desert, California, as Revealed on Enhanced Landsat Images, pp. 1000-1003

J. P. Ford; R. K. Dokka; R. E. Crippen; R. G. Blom

Reversal of Creatine Kinase Translational Repression by 3′ Untranslated Sequences, pp. 1003-1006

J. Lai C. Ch'ng; David L. Shoemaker; Paul Schimmel; Edward W. Holmes

Blocking of the Initiation-to-Elongation Transition by a Transdominant RNA Polymerase Mutation, pp. 1006-1009

Mikhail Kashlev; Jookyung Lee; Katya Zalenskaya; Vadim Nikiforov; Alex Goldfarb

Localization of PDGF-B Protein in Macrophages in All Phases of Atherogenesis, pp. 1009-1012

Russell Ross; Junichi Masuda; Elaine W. Raines; Allen M. Gown; Shogo Katsuda; Masakiyo Sasahara; L. Trevor Malden; Hideyuki Masuko; Hiroshi Sato

A Novel Nucleoprotein Complex at a Replication Origin, pp. 1012-1016

Manuel Serrano; Margarita Salas; José M. Hermoso

Shared Human T Cell Receptor V _β Usage to Immunodominant Regions of Myelin Basic Protein, pp. 1016-1019

Kai W. Wucherpfennig; Kohei Ota; Noriaki Endo; J. G. Seidman; Anthony Rosenzweig; Howard L. Weiner; David A. Hafler

A Receptor for Tumor Necrosis Factor Defines an Unusual Family of Cellular and Viral Proteins, pp. 1019-1023

Craig A. Smith; Terri Davis; Dirk Anderson; Lisabeth Solam; M. Patricia Beckmann; Rita Jerzy; Steven K. Dower; David Cosman; Raymond G. Goodwin

Book Reviews

Engineers and Their Allegiances, p. 1025

Technical Workers in an Advanced Society. The Work, Careers and Politics of French Engineers.

Stephen Crawford

Review author[s]: Peter Meiksins

Sciurid Sociality, pp. 1025-1026

Marmots. Social Behavior and Ecology.

David P. Barash

Review author[s]: Gail R. Michener

Bee Biology, pp. 1026-1027

Ecology and Natural History of Tropical Bees.

David W. Roubik

Review author[s]: Mark L. Winston

Biological Repair, p. 1027

Electric Fields in Vertebrate Repair. Natural and Applied Voltages in Vertebrate Regeneration and Healing.

Richard B. Borgens; Kenneth R. Robinson; Joseph W. Vanable, Jr.; Michael E. McGinnis; Colin D. McCaig

Review author[s]: Arthur E. Sowers

Books Received, pp. 1027-1028

Back Matter (20 pp.)

Previous Issue: New Series, Vol. 248, No. 4957, May 18, 1990
Next Issue: New Series, Vol. 248, No. 4959, Jun. 1, 1990