Science, New Series, Vol. 243, No. 4887, Jan. 6, 1989

Previous Issue: New Series, Vol. 242, No. 4886, Dec. 23, 1988
Next Issue: New Series, Vol. 243, No. 4888, Jan. 13, 1989

Front Matter (20 pp.)
1989 New Year's Resolution: Go to Heaven, p. 9

Daniel E. Koshland

Letters

Potential Use of Nerve Growth Factor to Treat Alzheimer's Disease, p. 11

Ad Hoc Working Group on Nerve Growth Factor and Alzheimer's Disease

Petition on Dugway Facility, pp. 11-12

Naomi C. Franklin

Energy Options, p. 12

Amory B. Lovins

FDA Approval of HTLV-I Tests, p. 12

Richard A. Montagna

FDA Approval of HTLV-I Tests: Response, p. 12

Deborah Barnes

Retraction: Virus- specific Splicing Inhibitor in Extracts from Cells Infected with HIV-1, p. 12

Carlos J. Goldenberg

Erratum: The 1988 Nobel Prize for Physiology or Medicine, p. 12
Erratum: Soviet- based Global Foundation Takes Shape, p. 12
Erratum: The Elav Gene Product of Drosophila, Required in Neurons, Has Three RNP Consensus Motifs, p. 12

News & Comment

Universities Fight Animal Activists, pp. 17-19

Constance Holden

NIH Scientists Agonize over Technology Transfer, pp. 20-21

William Booth

NAE: Revamp Export Controls, p. 21

Mark Crawford

Samuel Broder New Head of NCI, p. 21

Barbara J. Culliton

NSF Opens High-Speed Computer Network, pp. 22-23

Eliot Marshall

Bush Makes Some Science Appointments, p. 24

Barbara J. Culliton; Eliot Marshall

Research News

Is it Chaos, or is it Just Noise?, pp. 25-28

Robert Pool

How to Fix the Clouds in Greenhouse Models, pp. 28-29

Richard A. Kerr

Neurotoxicity Creates Regulatory Dilemma, pp. 29-30

Deborah M. Barnes

Getting a Grip on Elliptic Curves, pp. 30-31

Barry A. Cipra

Random Samples, p. 32

Gregory Byrne

Ecological Effects of a Major Oil Spill on Panamanian Coastal Marine Communities, pp. 37-44

J. B. C. Jackson; J. D. Cubit; B. D. Keller; V. Batista; K. Burns; H. M. Caffey; R. L. Caldwell; S. D. Garrity; C. D. Getter; C. Gonzalez; H. M. Guzman; K. W. Kaufmann; A. H. Knap; S. C. Levings; M. J. Marshall; R. Steger; R. C. Thompson; E. Weil

Protein Structure Determination in Solution by Nuclear Magnetic Resonance Spectroscopy, pp. 45-50

Kurt Wüthrich

Innovative Approaches to Plasminogen Activator Therapy, pp. 51-56

Edgar Haber; Thomas Quertermous; Gary R. Matsueda; Marschall S. Runge

Cloud-Radiative Forcing and Climate: Results from the Earth Radiation Budget Experiment, pp. 57-63

V. Ramanathan; R. D. Cess; E. F. Harrison; P. Minnis; B. R. Barkstrom; E. Ahmad; D. Hartmann

Reports

Atom Counting at Surfaces, pp. 64-66

David L. Pappas; David M. Hrubowchak; Matthew H. Ervin; Nicholas Winograd

Submicrometer Superconducting YBa ₂ Cu ₃ O _6+x Particles Made by a Low-Temperature Synthetic Route, pp. 66-69

H. S. Horowitz; S. J. McLain; A. W. Sleight; J. D. Druliner; P. L. Gai; M. J. VanKavelaar; J. L. Wagner; B. D. Biggs; S. J. Poon

Effects of Buried Ionizable Amino Acids on the Reduction Potential of Recombinant Myoglobin, pp. 69-72

Raghavan Varadarajan; Thomas E. Zewert; Harry B. Gray; Steven G. Boxer

Evolution of Urea Synthesis in Vertebrates: The Piscine Connection, pp. 72-75

Thomas P. Mommsen; Patrick J. Walsh

Phylogenetic Meaning of the Kingdom Concept: An Unusual Ribosomal RNA from Giardia lamblia, pp. 75-77

Mitchell L. Sogin; John H. Gunderson; Hille J. Elwood; Rogelio A. Alonso; Debra A. Peattie

Duplication, Deletion, and Polymorphism in the Sex-Determining Region of the Mouse Y Chromosome, pp. 78-80

Graeme Mardon; Rebecca Mosher; Christine M. Disteche; Yutaka Nishioka; Anne McLaren; David C. Page

Chromosome Mapping and Expression of a Putative Testis-Determining Gene in Mouse, pp. 80-83

Claude M. Nagamine; Kaimin Chan; Christine A. Kozak; Yun-Fat Lau

Pavlovian Conditioning of Rat Mucosal Mast Cells to Secrete Rat Mast Cell Protease II, pp. 83-85

Glenda MacQueen; Jean Marshall; Mary Perdue; Shepard Siegel; John Bienenstock

Structural Origins of High-Affinity Biotin Binding to Streptavidin, pp. 85-88

Patricia C. Weber; D. H. Ohlendorf; J. J. Wendoloski; F. R. Salemme

Transneuronal Transfer of Herpes Virus from Peripheral Nerves to Cortex and Brainstem, pp. 89-91

G. Ugolini; H. G. J. M. Kuypers; P. L. Strick

Rapid Redistribution of Auxin-Regulated RNAs during Gravitropism, pp. 91-93

Bruce A. McClure; Tom Guilfoyle

Gating of Retinal Transmission by Afferent Eye Position and Movement Signals, pp. 93-96

Ratneshwar Lal; Michael J. Friedlander

Book Reviews

Working Mothers: Assessing the Effects, pp. 99-101

Maternal Employment and Children's Development

Adele Eskeles Gottfried; Allen W. Gottfried

Review author[s]: Jeylan T. Mortimer

Weapons and Hopes, pp. 101-102

War Stars

H. Bruce Franklin

Review author[s]: Stuart W. Leslie

An Interagency Struggle, p. 102

U.S. Coast Survey vs. Naval Hydrologic Office

Thomas G. Manning

Review author[s]: Marc Rothenberg

Contributions of Chemistry, pp. 102-103

Biotechnology and Materials Science

Mary L. Good

Review author[s]: William F. DeGrado

Evolutionary Trends, p. 103

The Evolution of Complexity by means of Natural Selection

John Tyler Bonner

Review author[s]: Michael L. McKinney

Back Matter (38 pp.)

Previous Issue: New Series, Vol. 242, No. 4886, Dec. 23, 1988
Next Issue: New Series, Vol. 243, No. 4888, Jan. 13, 1989

Science, New Series, Vol. 243, No. 4888, Jan. 13, 1989

Previous Issue: New Series, Vol. 243, No. 4887, Jan. 6, 1989
Next Issue: New Series, Vol. 243, No. 4889, Jan. 20, 1989

Front Matter (20 pp.)
Progress at AAAS, p. 149

Philip H. Abelson

Letters

The Holly Oak Shell, p. 151

Jay F. Custer; John C. Kraft; John F. Wehmiller

The Holly Oak Shell: Response, pp. 151-152

Roger Lewin

Demand for Electricity, p. 152

Theodore M. Besmann

Demand for Electricity: Response, p. 152

Mark Crawford

Orangutan Tool Use, p. 152

Biruté M. F. Galdikas

Erratum: NIH Holds a Science Fair, p. 152
Erratum: U.S.-Soviet Weapons Journal Launched, p. 152

News & Comment

Science and the Lame-Duck Budget, pp. 159-161

Colin Norman

U.S.--Soviets Sign Collaboration, p. 161

David Dickson

Europe Bans Boeuf à l'Estradiol, pp. 161-162

Eliot Marshall

``Wise Men'' on Superconductors, p. 162

Robert Pool

Dear President-Elect...: A Place at the Head Table, p. 163

Colin Norman

Slowing an Irreversible Experiment, p. 163

William Booth

``New Realities'' in Space, p. 164

Eliot Marshall

Leadership and AIDS, p. 164

William Booth

FAA Fights Back on Plastic Explosives, pp. 165-166

M. Mitchell Waldrop

Research News

Genome Project under Way, at Last, pp. 167-168

Leslie Roberts

Pruning the Thickets of Cosmic Speculation, pp. 168-169

M. Mitchell Waldrop

How the Armenian Quake Became a Killer, p. 170

Richard A. Kerr

Double Exposures Reveal Mini-Comets?, pp. 170-171

Richard A. Kerr

``Fragile X'' Syndrome and its Puzzling Genetics, pp. 171-172

Deborah M. Barnes

Input Management of Production Systems, pp. 177-182

Eugene P. Odum

Ergodic Theory, Randomness, and ``Chaos'', pp. 182-187

D. S. Ornstein

Peptide and Protein Synthesis by Segment Synthesis-Condensation, pp. 187-192

Emil Thomas Kaiser; Hisakazu Mihara; Genevieve A. Laforet; Jeffery W. Kelly; Lee Walters; Mark A. Findeis; Tomikazu Sasaki

Molecular Sorting in the Secretory Pathway, pp. 192-197

Koong-Nah Chung; Peter Walter; Gregory W. Aponte; Hsiao-Ping H. Moore

Reports

Active Polar Region on the Nucleus of Comet Halley, pp. 198-200

H. J. Reitsema; W. A. Delamere; F. L. Whipple

A Relation to Describe Rate-Dependent Material Failure, pp. 200-203

Barry Voight

Observation of Individual DNA Molecules Undergoing Gel Electrophoresis, pp. 203-206

Steven B. Smith; Paul K. Aldridge; James B. Callis

Correct Folding of Circularly Permuted Variants of a βα Barrel Enzyme in vivo, pp. 206-210

Karolin Luger; Ulrich Hommel; Marzell Herold; Jan Hofsteenge; Kasper Kirschner

Involvement of Juvenile Hormone in the Regulation of Pheromone Release Activities in a Moth, pp. 210-212

Michel Cusson; Jeremy N. McNeil

A Novel Vasodilatory Peptide from the Salivary Glands of the Sand Fly Lutzomyia longipalpis, pp. 212-214

José M. C. Ribeiro; André Vachereau; Govind B. Modi; Robert B. Tesh

A New Cluster of Genes within the Human Major Histocompatibility Complex, pp. 214-217

Thomas Spies; George Blanck; Maureen Bresnahan; John Sands; Jack L. Strominger

Polymerase Chain Reaction with Single-Sided Specificity: Analysis of T Cell Receptor δ Chain, pp. 217-220

Elwyn Y. Loh; John F. Elliott; Steve Cwirla; Lewis L. Lanier; Mark M. Davis

High-Level Recombinant Gene Expression in Rabbit Endothelial Cells Transduced by Retroviral Vectors, pp. 220-222

James A. Zwiebel; Scott M. Freeman; Philip W. Kantoff; Ken Cornetta; Una S. Ryan; W. French Anderson

AIDS-Kaposi's Sarcoma-Derived Cells Express Cytokines with Autocrine and Paracrine Growth Effects, pp. 223-226

Barbara Ensoli; Shuji Nakamura; S. Zaki Salahuddin; Peter Biberfeld; Lena Larsson; Barbara Beaver; Flossie Wong-Staal; Robert C. Gallo

Dynamic Expression Pattern of the myc Protooncogene in Midgestation Mouse Embryos, pp. 226-229

Peter Schmid; Wolfgang A. Schulz; H. Hameister

Perineurium Originates from Fibroblasts: Demonstration in vitro with a Retroviral Marker, pp. 229-231

Mary Bartlett Bunge; Patrick M. Wood; Laura B. Tynan; Margaret L. Bates; Joshua R. Sanes

A Yeast Actin-Binding Protein is Encoded by SAC6, a Gene Found by Suppression of an Actin Mutation, pp. 231-233

Alison E. M. Adams; David Botstein; David G. Drubin

Mental Rotation of the Neuronal Population Vector, pp. 234-236

Apostolos P. Georgopoulos; Joseph T. Lurito; Michael Petrides; Andrew B. Schwartz; Joe T. Massey

Technical Comments

Analysis of Ligand Binding Specificity of Receptor Chimeras, pp. 236-237

William A. Catterall

Analysis of Ligand Binding Specificity of Receptor Chimeras: Response, p. 237

Brian K. Kobilka; Tong Sun Kobilka; Kiefer W. Daniels; John W. Regan; Marc G. Caran; Robert J. Lefkowitz

Predation on Ocean Krill, p. 237

Edmund S. Hobson

Predation on Ocean Krill: Response, pp. 237-238

Charles H. Greene; Peter H. Wiebe

Habitat Compartmentation and Environmental Correlates of Food Chain Length, pp. 238-239

John C. Moore; David E. Walter; H. William Hunt

Habitat Compartmentation and Environmental Correlates of Food Chain Length: Response, pp. 239-240

Frédéric Briand; Joel E. Cohen

Book Reviews

Human Evolution: New Questions, pp. 241-242

The Evolution of Human Hunting

Matthew H. Nitecki; Doris V. Nitecki

Review author[s]: John D. Speth

Rationality and Risk, pp. 242-243

Classical Probability in the Enlightenment

Lorraine Daston

Review author[s]: Stephen P. Turner

Lamarck in Context, pp. 243-244

The Age of Lamarck

Pietro Corsi

Review author[s]: Camille Limoges

The Sociobiology of Plants, p. 244

Plant Reproductive Ecology

Jon Lovett Doust; Lesley Lovett Doust

Review author[s]: David C. Queller

Back Matter (29 pp.)

Previous Issue: New Series, Vol. 243, No. 4887, Jan. 6, 1989
Next Issue: New Series, Vol. 243, No. 4889, Jan. 20, 1989

Science, New Series, Vol. 243, No. 4889, Jan. 20, 1989

Previous Issue: New Series, Vol. 243, No. 4888, Jan. 13, 1989
Next Issue: New Series, Vol. 243, No. 4890, Jan. 27, 1989

Front Matter (61 pp.)
A Tax on Sin: The Six-Cylinder Car, p. 281

Daniel E. Koshland

Letters

Cornell Cat Study, p. 283

Richard L. Malvin; Adrian R. Morrison; John M. Heinen

Ensuring Competitiveness, p. 283

Margaret A. Flanagan

Ecology Funding, p. 283

Paul C. James

Meta-Analysis, pp. 283-284

Thomas C. Chalmers

Dues Increase Announced, p. 284

News & Comment

Chemical Arms Ban Still Uncertain, pp. 301-302

David Dickson

Fusion Chief Reassigned as Program is Refocused, p. 303

Mark Crawford

Asking America about its Sex Life, p. 304

William Booth

Bomb Factories of the 21st Century, p. 305

Eliot Marshall

How to Handle Misconduct Allegations, p. 305

Colin Norman

A Corrosive Fight over California's Toxics Law, pp. 306-309

Leslie Roberts

Watkins Named Energy Secretary, p. 309

Mark Crawford

Research News

Ecologists Flirt with Chaos, pp. 310-313

Robert Pool

Troubles Encountered in Gene Linkage Land, pp. 313-314

Deborah M. Barnes

More Math Means More Money, p. 314

Barry A. Cipra

Getting to the Heart of Genetic Disease, pp. 315-316

Jean L. Marx

Random Samples, p. 317

Gregory Byrne

Prevalence and Patterns of Same-Gender Sexual Contact among Men, pp. 338-348

Robert E. Fay; Charles F. Turner; Albert D. Klassen; John H. Gagnon

Levitation in Physics, pp. 349-355

E. H. Brandt

Contingent Genetic Regulatory Events in T Lymphocyte Activation, pp. 355-361

Gerald R. Crabtree

Reports

Pheromone-Mediation of Host-Selection in Bont Ticks (Amblyomma hebraeum Koch), pp. 364-365

R. A. I. Norval; Howard R. Andrew; C. E. Yunker

The Perception of Intention, pp. 365-367

Verena Dasser; Ib Ulbaek; David Premack

Composition of the Earth, pp. 367-370

Don L. Anderson

Direct Observation of Native DNA Structures with the Scanning Tunneling Microscope, pp. 370-372

Thomas P. Beebe; Troy E. Wilson; D. Frank Ogletree; Joseph E. Katz; Rod Balhorn; Miquel B. Salmeron; Wigbert J. Siekhaus

Expression of Functional Nerve Growth Factor Receptors after Gene Transfer, pp. 373-375

Barbara L. Hempstead; Leonard S. Schleifer; Moses V. Chao

Increased Expression of DNA Cointroduced with Nuclear Protein in Adult Rat Liver, pp. 375-378

Yasufumi Kaneda; Kunimitsu Iwai; Tsuyoshi Uchida

Isolation and Expression of Functional High-Affinity Fc Receptor Complementary DNAs, pp. 378-381

Janet M. Allen; Brian Seed

The Involvement of Platelet Activating Factor in Ovulation, pp. 381-383

Akinwunmi O. Abisogun; Pierre Braquet; Alex Tsafriri

Atrial Natriuretic Peptide Inhibits a Cation Channel in Renal Inner Medullary Collecting Duct Cells, pp. 383-385

Douglas B. Light; Erik M. Schwiebert; Katherine H. Karlson; Bruce A. Stanton

Molecular Cloning of Genes under Control of the Circadian Clock in Neurospora, pp. 385-388

Jennifer J. Loros; Sylvia A. Denome; Jay C. Dunlap

Treatment with Tin Prevents the Development of Hypertension in Spontaneously Hypertensive Rats, pp. 388-390

David Sacerdoti; Bruno Escalante; Nader G. Abraham; John C. McGiff; Richard D. Levere; Michal L. Schwartzman

Plasticity and Differentiation of Embryonic Retinal Cells after Terminal Mitosis, pp. 391-393

Ruben Adler; Michael Hatlee

Interleukin-1 Mitogenic Activity for Fibroblasts and Smooth Muscle Cells is Due to PDGF-AA, pp. 393-396

Elaine W. Raines; Steven K. Dower; Russell Ross

Secretion of Activin by Interstitial Cells in the Testis, pp. 396-398

Will Lee; Anthony J. Mason; Ralph Schwall; Eva Szonyi; Jennie P. Mather

Role for Excitatory Amino Acids in Methamphetamine-Induced Nigrostriatal Dopaminergic Toxicity, pp. 398-400

Patricia K. Sonsalla; William J. Nicklas; Richard E. Heikkila

Book Reviews

Germplasm as Property, pp. 412-413

First the Seed

Jack Ralph Kloppenburg

Review author[s]: Robert J. Thomas

The Nuclear Freeze Campaign, pp. 413-414

From Protest to Policy

Pam Solo

Review author[s]: William A. Gamson

Ideals of Psychologists, p. 414

The Rise of Experimentation in American Psychology

Jill G. Morawski

Review author[s]: Henrika Kuklick

Social Science in Law, pp. 414-416

Reforming the Law

Gary B. Melton

Review author[s]: Peggy C. Davis

Back Matter (37 pp.)

Previous Issue: New Series, Vol. 243, No. 4888, Jan. 13, 1989
Next Issue: New Series, Vol. 243, No. 4890, Jan. 27, 1989

Science, New Series, Vol. 243, No. 4890, Jan. 27, 1989

Previous Issue: New Series, Vol. 243, No. 4889, Jan. 20, 1989
Next Issue: New Series, Vol. 243, No. 4891, Feb. 3, 1989

Front Matter (26 pp.)
Climate and Water, p. 461

Philip H. Abelson

Letters

Good Science Advice, p. 462

George E. Brown

Evolution and Family Homicide, pp. 462-463

Stephen A. George; A. H. Harcourt

Evolution and Family Homicide: Response, pp. 463-464

Martin Daly; Margo Wilson

News & Comment

Accelerator Eyed for Warhead Tritium, p. 469

Mark Crawford

If it's Tuesday, This Must be... Heraklion?, pp. 470-471

David Dickson

Britain Reveals Astronomy Plan, p. 471

David Dickson

Chauvinism in Nobel Nominations, p. 471

Constance Holden

Space Cameras and Security Risks, pp. 472-473

Eliot Marshall

Human Gene Transfer Test Approved, p. 473

Leslie Roberts

Leakey Leaves Kenya Museums, p. 473

Roger Lewin

AAAS Meeting Draws a Crowd, pp. 474-475

Colin Norman

``Oh, I Thought You Were a Man.'', p. 475

William Booth

A World of Megacities, pp. 475-476

William Booth

Space Reactors and Arms Control, p. 476

Colin Norman

Research News

Sources and Sinks Complicate Ecology, pp. 477-478

Roger Lewin

Feeding the Monster in the Middle, p. 478

M. Mitchell Waldrop

Take Your Choice: Ice Ages, Quakes, or Impacts, pp. 479-480

Richard A. Kerr

Are Neural Nets like the Human Brain?, pp. 481-482

Leslie Roberts

Inbreeding Costs Swamp Benefits, p. 482

Roger Lewin

A Specialization for Speech Perception, pp. 489-494

Alvin M. Liberman; Ignatius G. Mattingly

Nonlinear Mixing of Electromagnetic Waves in Plasmas, pp. 494-500

V. Stefan; B. I. Cohen; C. Joshi

Functions of Sphingolipids and Sphingolipid Breakdown Products in Cellular Regulation, pp. 500-507

Yusuf A. Hannun; Robert M. Bell

Chromosomal Rearrangement Generating a Composite Gene for a Developmental Transcription Factor, pp. 507-512

Patrick Stragier; Barbara Kunkel; Lee Kroos; Richard Losick

Reports

Evidence for Sediment Eruption on Deep Sea Floor, Gulf of Mexico, pp. 517-519

David B. Prior; Earl H. Doyle; Michael J. Kaluza

Rhenium-Osmium Isotope Systematics of Carbonaceous Chondrites, pp. 519-522

R. J. Walker; J. W. Morgan

The Effect of GTPase Activating Protein upon Ras is Inhibited by Mitogenically Responsive Lipids, pp. 522-526

Men-Hwei Tsai; Chun-Li Yu; Fu-Sheng Wei; Dennis W. Stacey

Switch Protein Alters Specificity of RNA Polymerase Containing a Compartment-Specific Sigma Factor, pp. 526-529

Lee Kroos; Barbara Kunkel; Richard Losick

Amplification and Molecular Cloning of HTLV-I Sequences from DNA of Multiple Sclerosis Patients, pp. 529-533

E. Premkumar Reddy; Magnhild Sandberg-Wollheim; Richard V. Mettus; Phillip E. Ray; Elaine DeFreitas; Hilary Koprowski

Germline Transmission of Exogenous Genes in the Chicken, pp. 533-535

Robert A. Bosselman; Rou-Yin Hsu; Tina Boggs; Sylvia Hu; Joan Bruszewski; Susan Ou; Lee Kozar; Frank Martin; Cal Green; Frederick Jacobsen; Margery Nicolson; Joseph A. Schultz; Kenneth M. Semon; William Rishell; R. Gregory Stewart

Selective Loss of Hippocampal Granule Cells in the Mature Rat Brain after Adrenalectomy, pp. 535-538

Robert S. Sloviter; Guy Valiquette; Gary M. Abrams; Edward C. Ronk; Anne L. Sollas; Linda A. Paul; Simon Neubort

Evidence that the Leucine Zipper is a Coiled Coil, pp. 538-542

Erin K. O'Shea; Rheba Rutkowski; Peter S. Kim

A Genetic Polymorphism in the Renin Gene of Dahl Rats Cosegregates with Blood Pressure, pp. 542-544

John P. Rapp; Sue-May Wang; Howard Dene

Repression of the IgH Enhancer in Teratocarcinoma Cells Associated with a Novel Octamer Factor, pp. 544-546

Michael J. Lenardo; Louis Staudt; Paul Robbins; Anna Kuang; Richard C. Mulligan; David Baltimore

Technical Comments

Magnon-Exchange Pairing and Superconductivity, p. 547

Marvin L. Cohen; L. M. Falicov

Magnon-Exchange Pairing and Superconductivity: Response, pp. 547-548

Guanhua Chen; Jean-Marc Langlois; Yuejin Guo; William A. Goddard

Phylogeny and Molecular Data, pp. 548-550

Claus Nielsen; William F. Walker; Hans R. Bode; Robert E. Steele

Phylogeny and Molecular Data: Response, pp. 550-551

Katharine G. Field; Gary J. Olsen; Stephen J. Giovannoni; Elizabeth C. Raff; Norman R. Pace; Rudolf A. Raff

Book Reviews

Dangers to Avert, pp. 552-553

America the Vulnerable

Joseph D. Douglass; Neil C. Livingstone

Gene Wars

Charles Piller; Keith R. Yamamoto

Clouds of Secrecy

Leonard A. Cole

Review author[s]: Richard Falk

Life in Danger, pp. 553-554

Biodiversity

E. O. Wilson

Review author[s]: David B. Wake

Back Matter (23 pp.)

Previous Issue: New Series, Vol. 243, No. 4889, Jan. 20, 1989
Next Issue: New Series, Vol. 243, No. 4891, Feb. 3, 1989

Science, New Series, Vol. 243, No. 4891, Feb. 3, 1989

Previous Issue: New Series, Vol. 243, No. 4890, Jan. 27, 1989
Next Issue: New Series, Vol. 243, No. 4892, Feb. 10, 1989

Front Matter (17 pp.)
Blank Check Laws, p. 585

Daniel E. Koshland

Letters

Biodiversity, p. 589

J. Michael Scott; Blair Csuti; Hal Anderson; J. E. Estes; Kenneth A. Dahlberg

Greenhouse Initiative, pp. 589-590

John F. Ahearne

Mediocrity, p. 590

Jack A. Crawford; Peter Klopfer

Animals in Research: Educational Funds, p. 590

Charles S. Nicoll; Sharon M. Russell

A Strengthened Court, p. 590

Ernst Mayr

U.S.--Soviet Cooperation, p. 590

Frank Von Hippel

Erratum: Microscopic Motor Is a First Step, p. 590
Erratum: Weapons Reactor Restart Set Back, p. 590

News & Comment

Cracks in Geriatric Aircraft, pp. 595-597

Eliot Marshall

Overhaul Urged for Math Teaching, p. 597

Gregory Byrne

A Clash of Cultures at Meeting on Misconduct, p. 598

William Booth

Genome Project Gets Rough Ride in Europe, p. 599

David Dickson

The Dismal State of Scientific Literacy, p. 600

Barbara J. Culliton

Who Should Count in the 1990 Census?, pp. 601-602

Colin Norman

Richard S. Nicholson to Head AAAS, p. 602

Barbara J. Culliton

Biotechnology Rules Wither in OMB, p. 602

Mark Crawford

Research News

The Global Warming is Real, p. 603

Richard A. Kerr

Is it Healthy to be Chaotic?, pp. 604-607

Robert Pool

Collision and Cannibalism Shape the Galaxies, pp. 607-608

M. Mitchell Waldrop

New Microscope Images Ions' Ins and Outs, p. 609

Robert Pool

Random Samples, p. 610

Gregory Byrne

Is There a U.S. Productivity Crisis?, pp. 611-615

William J. Baumol

Intermetallic Compounds for High-Temperature Structural Use, pp. 616-621

A. I. Taub; R. L. Fleischer

Protein Design, a Minimalist Approach, pp. 622-628

William F. DeGrado; Zelda R. Wasserman; James D. Lear

Function of a Bacterial Activator Protein that Binds to Transcriptional Enhancers, pp. 629-635

David L. Popham; Daniel Szeto; John Keener; Sydney Kustu

Reports

Molecular Dynamics Simulation of a Phospholipid Micelle, pp. 636-638

J. J. Wendoloski; S. J. Kimatian; C. E. Schutt; F. R. Salemme

Critical Depth for the Survival of Coral Islands: Effects on the Hawaiian Archipelago, pp. 638-641

Richard W. Grigg; David Epp

The Scanning Ion-Conductance Microscope, pp. 641-643

P. K. Hansma; B. Drake; O. Marti; S. A. C. Gould; C. B. Prater

A Diet-Induced Developmental Polymorphism in a Caterpillar, pp. 643-646

Erick Greene

Molecular Genetic Relationships of the Extinct Dusky Seaside Sparrow, pp. 646-648

John C. Avise; William S. Nelson

An Ultraviolet-Sensitive RNA Structural Element in a Viroid-Like Domain of the Hepatitis Delta Virus, pp. 649-652

Andrea D. Branch; Bonnie J. Benenfeld; Bahige M. Baroudy; Frances V. Wells; John L. Gerin; Hugh D. Robertson

Reversible Cleavage and Ligation of Hepatitis Delta Virus RNA, pp. 652-654

Huey-Nan Wu; Michael M. C. Lai

Autocrine Induction of Collagenase by Serum Amyloid A-Like and β ₂ -microglobulin-Like Proteins, pp. 655-657

Constance E. Brinckerhoff; Teresa I. Mitchell; Michael J. Karmilowicz; Barbara Kluve-Beckerman; Merrill D. Benson

A cAMP-Regulated Chloride Channel in Lymphocytes that is Affected in Cystic Fibrosis, pp. 657-660

Jennifer H. Chen; Howard Schulman; Phyllis Gardner

Transformation and Plasmacytoid Differentiation of EBV-Infected Human B Lymphoblasts by ras Oncogenes, pp. 660-663

Stephanie Seremetis; Giorgio Inghirami; Dario Ferrero; Elizabeth W. Newcomb; Daniel M. Knowles; Gian-Paolo Dotto; Riccardo Dalla-Favera

Modulation of Calcium Channels in Cardiac and Neuronal Cells by an Endogenous Peptide, pp. 663-666

Geert Callewaert; Ingeborg Hanbauer; Martin Morad

Specific Block of Calcium Channel Expression by a Fragment of Dihydropyridine Receptor cDNA, pp. 666-669

Ilana Lotan; Philip Goelet; Ariela Gigi; Nathan Dascal

Muscarinic Modulation of Cardiac Rate at Low Acetylcholine Concentrations, pp. 669-671

Dario DiFrancesco; Pierre Ducouret; Richard B. Robinson

Inside AAAS

Awards 1989, p. 672

Pacific Division Meeting, p. 673

49ers and AAAS: San Francisco Winners, p. 673

AAAS Fellows, p. 673

Linda McDaniel

Foreign Student Grants, p. 673

Memo to Members, p. 673

Arthur Herschman

Book Reviews

Advances in Cell Biology, pp. 674-675

Gap Junctions

Elliot L. Hertzberg; Ross G. Johnson

Review author[s]: Judson D. Sheridan

Chaos in Living Systems, pp. 675-676

From Clocks to Chaos

Leon Glass; Michael C. Mackey

Review author[s]: W. M. Schaffer

Evolutionary Mechanisms, pp. 676-677

Mutation, Developmental Selection, and Plant Evolution

Edward J. Klekowski

Review author[s]: Donald M. Waller

The Geology of Fluid Flow, p. 677

Fluid Flow in Sedimentary Basins and Aquifers

J. C. Goff; B. P. J. Williams

Review author[s]: Grant Garven

Software Reviews

Symbolic Manipulation Programs for the Personal Computer, pp. 679-684

Review author[s]: Kenneth R. Foster; Haim H. Bau

Back Matter (18 pp.)

Previous Issue: New Series, Vol. 243, No. 4890, Jan. 27, 1989
Next Issue: New Series, Vol. 243, No. 4892, Feb. 10, 1989

Science, New Series, Vol. 243, No. 4892, Feb. 10, 1989

Previous Issue: New Series, Vol. 243, No. 4891, Feb. 3, 1989
Next Issue: New Series, Vol. 243, No. 4893, Feb. 17, 1989

Front Matter (34 pp.)
Issues in Atmospheric Science, p. 709

John I. Brauman

Letters

Oil Security and Hidden Costs, p. 713

Terry Sabonis-Chafee

Rehabilitation of B. M. Gessen, p. 713

Paul R. Josephson

Rehabilitation of B. M. Gessen: Response, p. 713

David Dickson

Plasmoid Velocity, p. 713

D. N. Baker; T. A. Fritz; P. A. Bernhardt

MacArthur's ``Resignation'', p. 713

Leonard F. Walts

News & Comment

Baltimore Cleared of All Fraud Charges, p. 727

Barbara J. Culliton

Soviet Academy Attacked for Being Undemocratic, pp. 728-729

David Dickson

U.S. Students Flunk Math, Science, p. 729

Gregory Byrne

Koop Finds Abortion Evidence ``Inconclusive'', pp. 730-731

Constance Holden

Reilly Vows Environmental Activism, p. 731

Leslie Roberts

Africa is Becoming an Elephant Graveyard, p. 732

William Booth

Aids Paper Raises Red Flag at PNAS, p. 733

William Booth

Leakey Reinstated as Museums' Head, p. 733

Roger Lewin

Ames Named Director of N. Y. Academy, p. 733

Barbara J. Culliton

Somalia Pledges Human Rights Reforms, p. 734

Constance Holden

Rifkin Battles Gene Transfer Experiment, p. 734

Leslie Roberts

NIH: Calling All Alumni, p. 734

Barbara J. Culliton

Research News

How Fast Can Trees Migrate?, pp. 735-737

Leslie Roberts

Detecting Mutations in Human Genes, pp. 737-738

Jean L. Marx

The Ocean above and the One below, pp. 739-740

Richard A. Kerr

New Superconductor Uses Electrons, p. 741

Robert Pool

Superconductivity in a Nickel Oxide, p. 741

Robert Pool

Issues in Atmospheric Science

Urban Air Pollution: State of the Science, pp. 745-752

John H. Seinfeld

Acid Deposition: Unraveling a Regional Phenomenon, pp. 753-763

Stephen E. Schwartz

Changing Composition of the Global Stratosphere, pp. 763-770

Michael B. McElroy; Ross J. Salawitch

The Greenhouse Effect: Science and Policy, pp. 771-781

Stephen H. Schneider

Mechanism of Interleukin-2 Signaling: Mediation of Different Outcomes by a Single Receptor and Transduction Pathway, pp. 781-786

Michael A. Tigges; Leslie S. Casey; Marian Elliott Koshland

Reports

Elasticity of MgSiO ₃ in the Perovskite Structure, pp. 787-789

A. Yeganeh-Haeri; D. J. Weidner; E. Ito

The Manganese Site of the Photosynthetic Water-Splitting Enzyme, pp. 789-791

Graham N. George; Roger C. Prince; Stephen P. Cramer

Control of Enzyme Activity by an Engineered Disulfide Bond, pp. 792-794

Masazumi Matsumura; Brian W. Matthews

Physiological Constraint on Feeding Behavior: Intestinal Membrane Disaccharidases of the Starling, pp. 794-796

Carlos Martinez Del Rio; Bruce R. Stevens

Disruption of the Yeast N-Myristoyl Transferase Gene Causes Recessive Lethality, pp. 796-800

Robert J. Duronio; Dwight A. Towler; Robert O. Heuckeroth; Jeffrey I. Gordon

Isolation of a Novel Receptor cDNA Establishes the Existence of Two PDGF Receptor Genes, pp. 800-804

Toshimitsu Matsui; Mohammad Heidaran; Toru Miki; Nicholas Popescu; William La Rochelle; Matthias Kraus; Jacalyn Pierce; Stuart Aaronson

Splice Variants of the a Subunit of the G Protein G _s Activate Both Adenylyl Cyclase and Calcium Channels, pp. 804-807

Rafael Mattera; Michael P. Graziano; Atsuko Yatani; Zhimin Zhou; Rolf Graf; Juan Codina; Lutz Birnbaumer; Alfred G. Gilman; Arthur M. Brown

Stretch-Inactivated Ion Channels Coexist with Stretch-Activated Ion Channels, pp. 807-809

Catherine E. Morris; Wade J. Sigurdson

Nimodipine Facilitates Associative Learning in Aging Rabbits, pp. 809-811

Richard A. Deyo; Karen T. Straube; John F. Disterhoft

Overexpression of Transforming Growth Factor α in Psoriatic Epidermis, pp. 811-814

James T. Elder; Gary J. Fisher; Patricia B. Lindquist; Gregory L. Bennett; Mark R. Pittelkow; Robert J. Coffey; Larry Ellingsworth; Rik Derynck; John J. Voorhees

Purification of Growth Hormone--Specific Transcription Factor GHF-1 Containing Homeobox, pp. 814-817

José-Luis Castrillo; Mordechai Bodner; Michael Karin

Book Reviews

Victims of Sociology, p. 823

The Woman Question in Classical Sociological Theory

Terry R. Kandal

Review author[s]: Robert A. Nye

An Early Anthropologist, pp. 823-824

A Stranger in Her Native Land

Joan Mark

Review author[s]: Nancy Oestreich Lurie

Marine Ecosystems, pp. 824-825

Continental Shelves

H. Postma; J. J. Zijlstra

Review author[s]: Lewis S. Incze

Ecosystem Analysis, pp. 825-826

Concepts of Ecosystem Ecology

L. R. Pomeroy; J. J. Alberts

Review author[s]: Peter M. Vitousek

Some Other Books of Interest, p. 826

Science in Ireland, 1800-1930

John R. Nudds; Norman D. McMillan; Denis L. Weaire; Susan M. P. McKenna Lawlor

The Art of Geology

Eldridge M. Moores; F. Michael Wahl

Review author[s]: K.L.

Back Matter (39 pp.)

Previous Issue: New Series, Vol. 243, No. 4891, Feb. 3, 1989
Next Issue: New Series, Vol. 243, No. 4893, Feb. 17, 1989

Science, New Series, Vol. 243, No. 4893, Feb. 17, 1989

Previous Issue: New Series, Vol. 243, No. 4892, Feb. 10, 1989
Next Issue: New Series, Vol. 243, No. 4894, Feb. 24, 1989

Front Matter (21 pp.)
The Arctic: A Key to World Climate, p. 873

Philip H. Abelson

Letters

Navy Marine Mammals, p. 875

Sam H. Ridgway

Navy Marine Mammals: Response, p. 875

David C. Morrison

Snowbird II: A Dissenting View, pp. 875-876

Alan Rice

Erratum: A Corrosive Fight Over California's Toxics Law, p. 876
Erratum: Genome Project Gets Tough Ride in Europe, p. 876

News & Comment

Bush Adopts Reagan's R&D Budget, pp. 881-882

Colin Norman

New U.K. Science Initiatives Backed, p. 882

David Dickson

R&D Suffers after Corporate Raids, p. 882

Mark Crawford

Environment, Culture, and Change in the Arctic, p. 883

Constance Holden

Shuttle Faces Tough Schedule in 1989, p. 884

Eliot Marshall

Bahcall to Head New Astronomy Survey, p. 884

M. Mitchell Waldrop

Court Ruling Rekindles Controversy over SATs, pp. 885-887

Constance Holden

AIDS Panel Urges New Focus, p. 887

Gregory Byrne

CIA Details Chemical Weapons Spread, p. 888

Colin Norman

High Energy Physics Crunch Foreseen, p. 888

Mark Crawford

Wanted: Normal Brains, p. 889

Barbara J. Culliton

Frazier Reinstated at McLean, p. 889

Barbara J. Culliton

Research News

Our Future in the Stars?, pp. 890-891

M. Mitchell Waldrop

1988 Ties for Warmest Year, p. 891

Richard A. Kerr

The Supernova 1987 A Pulsar: Found?, p. 892

M. Mitchell Waldrop

New Trial Evaluates Parkinsonian Therapy, p. 892

Roger Lewin

Quantum Chaos: Enigma Wrapped in a Mystery, pp. 893-895

Robert Pool

Random Samples, p. 896

Gregory Byrne

Finite Social Space, Evolutionary Pathways, and Reconstructing Hominid Behavior, pp. 901-906

R. A. Foley; P. C. Lee

Polymer Synthesis and Organotransition Metal Chemistry, pp. 907-915

Robert H. Grubbs; William Tumas

Coordinate Regulation and Sensory Transduction in the Control of Bacterial Virulence, pp. 916-922

Jeff F. Miller; John J. Mekalanos; Stanley Falkow

Reports

Length-Of-Day Variations Caused by El Niño--Southern Oscillation and Quasi-Biennial Oscillation, pp. 923-925

B. Fong Chao

Cordierite-Spinel Troctolite, a New Magnesium-Rich Lithology from the Lunar Highlands, pp. 925-928

Ursula B. Marvin; J. William Carey; Marilyn M. Lindstrom

Molecular Modeling of the HIV-1 Protease and its Substrate Binding Site, pp. 928-931

Irene T. Weber; Maria Miller; Mariusz Jaskólski; Jonathan Leis; Anna Marie Skalka; Alexander Wlodawer

Ubiquitous Expression of Sevenless: Position-Dependent Specification of Cell Fate, pp. 931-934

Konrad Basler; Ernst Hafen

The Human Papilloma Virus--16 E7 Oncoprotein is Able to Bind to the Retinoblastoma Gene Product, pp. 934-937

Nicholas Dyson; Peter M. Howley; Karl Münger; Ed Harlow

Point Mutational Inactivation of the Retinoblastoma Antioncogene, pp. 937-940

Jonathan M. Horowitz; David W. Yandell; Sang-Ho Park; Susan Canning; Peter Whyte; Karen Buchkovich; Ed Harlow; Robert A. Weinberg; Thaddeus P. Dryja

Epithelial Cell Surfaces Induce Salmonella Proteins Required for Bacterial Adherence and Invasion, pp. 940-943

B. Brett Finlay; Fred Heffron; Stanley Falkow

A Family of Putative Potassium Channel Genes in Drosophila, pp. 943-947

Alice Butler; Aguan Wei; Keith Baker; Lawrence Salkoff

Antisense RNA--Induced Reduction in Murine TIMP Levels Confers Oncogenicity on Swiss 3T3 Cells, pp. 947-950

Rama Khokha; Paul Waterhouse; Simcha Yagel; Peeyush K. Lala; Christopher M. Overall; Gill Norton; David T. Denhardt

Book Reviews

Peripatetic Peoples, p. 953

The Other Nomads

Aparna Rao

Review author[s]: Lois Beck

Problems of Subsistence, pp. 953-954

Coping with Uncertainty in Food Supply

I. De Garine; G. A. Harrison

Review author[s]: Nancy Howell

Effects of a Predator, pp. 954-955

The Community Ecology of Sea Otters

G. R. VanBlaricom; J. A. Estes

Review author[s]: Kenneth P. Sebens

Back Matter (26 pp.)

Previous Issue: New Series, Vol. 243, No. 4892, Feb. 10, 1989
Next Issue: New Series, Vol. 243, No. 4894, Feb. 24, 1989

Science, New Series, Vol. 243, No. 4894, Feb. 24, 1989

Previous Issue: New Series, Vol. 243, No. 4893, Feb. 17, 1989
Next Issue: New Series, Vol. 243, No. 4895, Mar. 3, 1989

Front Matter (32 pp.)
Scientific Competency through Fun, p. 989

Daniel E. Koshland

Letters

Fenfluramine Studies, p. 991

M. Derôme-Tremblay; C. Nathan

Climatic Change and Forests, p. 991

Clark S. Binkley

Financial Benefit from Research, pp. 991-992

Donald K. Grayson

Narrow Corridors Stop Falling Soda Machines, p. 992

Charlotte K. Omoto

Broad Training for Social Scientists, p. 992

Jerome H. Barkow

Cost of Electricity, p. 992

Albert A. Bartlett

Erratum: Observation of Individual DNA Molecules Undergoing Gel Electrophoresis, p. 992

News & Comment

Landsats: Drifting toward Oblivion?, p. 999

Eliot Marshall

Hospital Faulted for Dry Eye Study, p. 1000

William Booth

NIH Probes Researcher's Fundraising, p. 1000

Constance Holden

CBO Lists Options for Cutting R&D, p. 1001

Mark Crawford

Fertile Ground for Arms Control, p. 1001

David Dickson

Sakharov Declines to Run for Moscow Seat, p. 1001

David Dickson

Europe Tries to Untangle Laws on Patenting Life, pp. 1002-1003

David Dickson

A Global Supercomputer Race for High Stakes, pp. 1004-1006

Marjorie Sun

Research News

Arctic Ozone is Poised for a Fall, pp. 1007-1008

Richard A. Kerr

New Look at Turtle Migration Mystery, p. 1009

Roger Lewin

Lift-Off Laser: GaAs on Glass, pp. 1009-1010

Robert Pool

Keck Telescope Mirror is in Production, pp. 1010-1011

M. Mitchell Waldrop

How DNA Viruses May Cause Cancer, pp. 1012-1013

Jean L. Marx

Combining Cognitive and Statistical Approaches to Survey Design, pp. 1017-1022

Stephen E. Fienberg; Judith M. Tanur

Polymers, Fractals, and Ceramic Materials, pp. 1023-1027

Dale W. Schaefer

Genetic Control of Differentiation of the Caenorhabditis elegans Touch Receptor Neurons, pp. 1027-1033

Martin Chalfie; Macy Au

Reverse Transcriptase in a Clinical Strain of Escherichia coli: Production of Branched RNA-Linked msDNA, pp. 1033-1038

Bert C. Lampson; Jing Sun; Mei-Yin Hsu; Jorge Vallejo-Ramirez; Sumiko Inouye; Masayori Inouye

Reports

Chemico-Viscous Remanent Magnetization in the Fe ₃ O ₄ -γFe ₂ O ₃ System, pp. 1043-1047

Özden Özdemir; David J. Dunlop

Epitaxial Growth of Diamond Films on Si(111) at Room Temperature by Mass-Selected Low-Energy C ⁺ Beams, pp. 1047-1050

J. L. Robertson; S. C. Moss; Y. Lifshitz; S. R. Kasi; J. W. Rabalais; G. D. Lempert; E. Rapoport

Atomic Resolution Imaging of Adsorbates on Metal Surfaces in Air: Iodine Adsorption on Pt(111), pp. 1050-1053

Bruce C. Schardt; Shueh-Lin Yau; Frank Rinaldi

Uranium-Series Dated Authigenic Carbonates and Acheulian Sites in Southern Egypt, pp. 1053-1056

B. J. Szabo; W. P. McHugh; G. G. Schaber; C. V. Haynes; C. S. Breed

Specific Recognition of Cruciform DNA by Nuclear Protein HMG1, pp. 1056-1059

Marco E. Bianchi; Monica Beltrame; Giacomo Paonessa

A Salmonella Locus that Controls Resistance to Microbicidal Proteins from Phagocytic Cells, pp. 1059-1062

Patricia I. Fields; Eduardo A. Groisman; Fred Heffron

Reciprocal Effects of Hyper- and Hypoactivity Mutations in the Drosophila Pattern Gene torso, pp. 1062-1066

Teresa R. Strecker; Susan R. Halsell; William W. Fisher; Howard D. Lipshitz

Macrophage Inflammatory Protein-1: A Prostaglandin-Independent Endogenous Pyrogen, pp. 1066-1068

George Davatelis; Stephen D. Wolpe; Barbara Sherry; J.-M. Dayer; Rachel Chicheportiche; Anthony Cerami

Block of Stretch-Activated Ion Channels in Xenopus Oocytes by Gadolinium and Calcium Ions, pp. 1068-1071

Xian-cheng Yang; Frederick Sachs

Neuroanatomical Correlates of Anticipatory Anxiety, pp. 1071-1074

Eric M. Reiman; Maureen J. Fusselman; Peter T. Fox; Marcus E. Raichle

Structure and Function of Human Amphiregulin: A Member of the Epidermal Growth Factor Family, pp. 1074-1076

Mohammed Shoyab; Gregory D. Plowman; Vicki L. McDonald; J. Garrett Bradley; George J. Todaro

Book Reviews

The Culture of Objectivity, p. 1085

Beamtimes and Lifetimes

Sharon Traweek

Review author[s]: Susan E. Cozzens

Nuclear Energy in Canada, p. 1086

Nucleus

Robert Bothwell

Review author[s]: J. Samuel Walker

An Industry Restructured, pp. 1086-1087

Divide and Prosper

Raymond G. Stokes

Review author[s]: Mark Walker

Technology of Warfare, pp. 1087-1088

The War of Invention

Guy Hartcup

Review author[s]: John H. Morrow

Back Matter (25 pp.)

Previous Issue: New Series, Vol. 243, No. 4893, Feb. 17, 1989
Next Issue: New Series, Vol. 243, No. 4895, Mar. 3, 1989

Science, New Series, Vol. 243, No. 4895, Mar. 3, 1989

Previous Issue: New Series, Vol. 243, No. 4894, Feb. 24, 1989
Next Issue: New Series, Vol. 243, No. 4896, Mar. 10, 1989

Front Matter (18 pp.)
Fax, p. 1121

Philip H. Abelson

Letters

Duesberg's PNAS Paper, p. 1125

Peter Duesberg

Proposition 65, p. 1125

Ellen Silbergeld; David Roe

Tax on the Six-Cylinder Car, pp. 1125-1126

George J. Stigler; Gordon Tullock; Richard A. Staley

Animal Research and Government Policy, p. 1126

Glenn A. Langer

Incentives for Energy Conservation, p. 1126

René H. Malès

Language Dispute, p. 1126

Merritt Ruhlen

Erratum: Synthetic CD4 Peptide Derivatives that Inhibit HIV Infection and Cytopathicity, p. 1126

News & Comment

Peary's North Pole Claim Reexamined, pp. 1131-1132

Eliot Marshall

Radical Reform for Science Education, p. 1133

Constance Holden

Animal Rightists Claim Bomb Blast, p. 1133

David Dickson

Ethical Questions Haunt New Genetic Technologies, pp. 1134-1136

Leslie Roberts

Watkins Takes the Helm at DOE, p. 1136

Mark Crawford

Yeutter Backs Plan to Map Crop Genes, p. 1137

Mark Crawford

NIH Offers AZT to Exposed Workers, p. 1137

William Booth

Research News

Warfare over Yanomamö Indians, pp. 1138-1140

William Booth

And Now for a Real Crab Nebula..., p. 1140

M. Mitchell Waldrop

Ecologists Wary about Environmental Releases, p. 1141

Leslie Roberts

From Real Numbers to Strings of Zeros, pp. 1142-1143

Barry A. Cipra

New Family of Adhesion Proteins Discovered, p. 1144

Jean L. Marx

Macroecology: The Division of Food and Space among Species on Continents, pp. 1145-1150

James H. Brown; Brian A. Maurer

Dendrites, Viscous Fingers, and the Theory of Pattern Formation, pp. 1150-1156

J. S. Langer

Unity in Function in the Absence of Consensus in Sequence: Role of Leader Peptides in Export, pp. 1156-1159

L. L. Randall; S. J. S. Hardy

Endothelial Leukocyte Adhesion Molecule 1: An Inducible Receptor for Neutrophils Related to Complement Regulatory Proteins and Lectins, pp. 1160-1165

Michael P. Bevilacqua; Siegfried Stengelin; Michael A. Gimbrone; Brian Seed

Mouse Lymph Node Homing Receptor cDNA Clone Encodes a Glycoprotein Revealing Tandem Interaction Domains, pp. 1165-1172

Mark H. Siegelman; Matthijs Van De Rijn; Irving L. Weissman

Reports

Earthquake Hazard after a Mainshock in California, pp. 1173-1176

Paul A. Reasenberg; Lucile M. Jones

Time and Spatial Dependence of the Concentration of Less than 10 ⁵ Microelectrode-Generated Molecules, pp. 1176-1178

Stuart Licht; Vince Cammarata; Mark S. Wrighton

Large-Scale, Low-Amplitude Bedforms (Chevrons) in the Selima Sand Sheet, Egypt, pp. 1179-1182

Ted A. Maxwell; C. Vance Haynes

Stishovite at the Cretaceous-Tertiary Boundary, Raton, New Mexico, pp. 1182-1184

John F. McHone; Ronald A. Nieman; Charles F. Lewis; Ann M. Yates

Sequence-Specific Peptide Cleavage Catalyzed by an Antibody, pp. 1184-1188

Brent L. Iverson; Richard A. Lerner

Sindbis Virus: An Efficient, Broad Host Range Vector for Gene Expression in Animal Cells, pp. 1188-1191

Cheng Xiong; Robin Levis; Ping Shen; Sondra Schlesinger; Charles M. Rice; Henry V. Huang

Role of Phosphatidylinositol Kinase in PDGF Receptor Signal Transduction, pp. 1191-1194

Shaun R. Coughlin; Jaime A. Escobedo; Lewis T. Williams

Cloning and Expression of a Xenopus Embryonic Gap Junction Protein, pp. 1194-1195

L. Ebihara; E. C. Beyer; K. I. Swenson; D. L. Paul; D. A. Goodenough

Signal Peptide for Protein Secretion Directing Glycophospholipid Membrane Anchor Attachment, pp. 1196-1198

Ingrid W. Caras; Gregory N. Weddell

The Effects of Enriched Carbon Dioxide Atmospheres on Plant--Insect Herbivore Interactions, pp. 1198-1200

Eric D. Fajer; M. Deane Bowers; Fakhri A. Bazzaz

Meetings

Gordon Research Conferences, pp. 1201-1217

Alexander M. Cruickshank

Book Reviews

Halcyon Days, pp. 1219-1220

What Mad Pursuit

Francis Crick

Review author[s]: Thomas H. Jukes

Chromatin Research Surveyed, p. 1220

Chromatin

Kensal E. Van Holde

Review author[s]: Robert T. Simpson

Lick Observatory, p. 1221

Eye on the Sky

Donald E. Osterbrock; John R. Gustafson; W. J. Shiloh Unruh

Review author[s]: Steven J. Dick

An Area of Deformation, pp. 1221-1222

Tectonic Evolution of the Himalayas and Tibet

R. M. Shackleton; J. F. Dewey; B. F. Windley

Review author[s]: B. C. Burchfiel

Back Matter (23 pp.)

Previous Issue: New Series, Vol. 243, No. 4894, Feb. 24, 1989
Next Issue: New Series, Vol. 243, No. 4896, Mar. 10, 1989

Science, New Series, Vol. 243, No. 4896, Mar. 10, 1989

Previous Issue: New Series, Vol. 243, No. 4895, Mar. 3, 1989
Next Issue: New Series, Vol. 243, No. 4897, Mar. 17, 1989

Front Matter (56 pp.)
Animal Rights and Animal Wrongs, p. 1253

Daniel E. Koshland

Letters

Epidemiologic Investigation, pp. 1255-1256

Edward H. Kass; Samuel Shapiro

Epidemiologic Investigation: Response, p. 1256

Alvan R. Feinstein

Erratum: Association of Transfer RNA Acceptor Identity with a Helical Irregularity, p. 1256

News & Comment

Europe Recognizes the Ozone Threat, p. 1279

David Dickson; Eliot Marshall

Pesticides and Kids, pp. 1280-1281

Leslie Roberts

NASA's $60,000 Epoxy Drops, p. 1281

M. Mitchell Waldrop

Chinese Bar Physicist from Bush Dinner, p. 1282

Marjorie Sun

NAS Weighs in with 7-lb Diet Guide, pp. 1282-1283

Barbara J. Culliton

GM, Hughes Settle Stock Fight, p. 1283

Barbara J. Culliton

An Arbitrator for Space Policy, p. 1283

Eliot Marshall

France Introduces Bioethics Law, p. 1284

David Dickson

Germany Enters Hypersonic Race, p. 1284

Don Kirk

Japan Faces Big Task in Improving Basic Science, pp. 1285-1287

Marjorie Sun

The Drug Czar: No ``Walter Wallflower'', p. 1287

Eliot Marshall

Research News

Image Capture by Computer, pp. 1288-1289

Barry A. Cipra

How Females Entrap Males, p. 1289

Roger Lewin

Is Something Strange about the Weather?, pp. 1290-1293

Robert Pool

Seeing Cracks in Three Dimensions, p. 1293

Robert Pool

Hidden Complexities in the Risks of Extinction, p. 1294

Roger Lewin

Is the Stock Market Efficient?, pp. 1313-1318

Burton G. Malkiel

Model of the Origin of Rhythmic Population Oscillations in the Hippocampal Slice, pp. 1319-1325

Roger D. Traub; Richard Miles; Robert K. S. Wong

Hydrogen Tunneling in Enzyme Reactions, pp. 1325-1330

Yuan Cha; Christopher J. Murray; Judith P. Klinman

Receptor and Antibody Epitopes in Human Growth Hormone Identified by Homolog-Scanning Mutagenesis, pp. 1330-1336

Brian C. Cunningham; Parkash Jhurani; Peter Ng; James A. Wells

Reports

Plate Tectonics 2.5 Billion Years Ago: Evidence at Kolar, South India, pp. 1337-1340

E. J. Krogstad; S. Balakrishnan; D. K. Mukhopadhyay; V. Rajamani; G. N. Hanson

The Axial Oxygen Atom and Superconductivity in YBa ₂ Cu ₃ O ₇, pp. 1340-1343

S. D. Conradson; I. D. Raistrick

Honeyguides and Honey Gatherers: Interspecific Communication in a Symbiotic Relationship, pp. 1343-1346

H. A. Isack; H.-U. Reyer

Structure of Recombinant Human Renin, a Target for Cardiovascular-Active Drugs, at 2.5 Å Resolution, pp. 1346-1351

Anita R. Sielecki; Koto Hayakawa; Masao Fujinaga; Michael E. P. Murphy; Marie Fraser; Alastair K. Muir; Cynthia T. Carilli; John A. Lewicki; John D. Baxter; Michael N. G. James

A Dwarf Mutant of Arabidopsis Generated by T-DNA Insertion Mutagenesis, pp. 1351-1354

Kenneth A. Feldmann; M. David Marks; Michael L. Christianson; Ralph S. Quatrano

Effect of Antisense c-raf-1 on Tumorigenicity and Radiation Sensitivity of a Human Squamous Carcinoma, pp. 1354-1356

U. Kasid; A. Pfeifer; T. Brennan; M. Beckett; R. R. Weichselbaum; A. Dritschilo; G. E. Mark

Selection for Precise Chromosomal Targeting of a Dominant Marker by Homologous Recombination, pp. 1357-1360

Julia R. Dorin; John D. Inglis; David J. Porteous

Phylogenetic Stains: Ribosomal RNA--Based Probes for the Identification of Single Cells, pp. 1360-1363

Edward F. DeLong; Gene S. Wickham; Norman R. Pace

Nucleotides in Yeast tRNA ^Phe Required for the Specific Recognition by its Cognate Synthetase, pp. 1363-1366

Jeffrey R. Sampson; Anthony B. DiRenzo; Linda S. Behlen; Olke C. Uhlenbeck

Free Calcium at Rest during ``Catch'' in Single Smooth Muscle Cells, pp. 1367-1368

N. Ishii; A. W. M. Simpson; C. C. Ashley

Book Reviews

Embryonic Development: Toward a Synthesis, pp. 1373-1374

Topobiology

Gerald M. Edelman

Review author[s]: John Gerhart

Nearshore Biomechanics, p. 1374

Biology and the Mechanics of the Wave-Swept Environment

Mark W. Denny

Review author[s]: Mark R. Patterson

The Study of Memory, pp. 1375-1376

Remembering Reconsidered

Ulric Neisser; Eugene Winograd

Review author[s]: Daniel L. Schacter

Some Other Books of Interest, p. 1376

Introduction to the Study of Meiofauna

Robert P. Higgins; Hjalmar Thiel

Reptile Egg-Shells

H. Hermann Schleich; Werner Kästle

Review author[s]: K.L.

Back Matter (33 pp.)

Previous Issue: New Series, Vol. 243, No. 4895, Mar. 3, 1989
Next Issue: New Series, Vol. 243, No. 4897, Mar. 17, 1989

Science, New Series, Vol. 243, No. 4897, Mar. 17, 1989

Previous Issue: New Series, Vol. 243, No. 4896, Mar. 10, 1989
Next Issue: New Series, Vol. 243, No. 4898, Mar. 24, 1989

Front Matter (16 pp.)
Punitive Taxation of Science and Engineering, p. 1417

Philip H. Abelson

Letters

Tritium Production, p. 1419

Harold M. Agnew

Cardiac Chaos, p. 1419

Ary L. Goldberger

Cardioc Chaos: Response, p. 1419

Robert Pool

PNAS Reviewing Procedures, p. 1419

Igor B. Dawid; Maxine F. Singer; Frances R. Zwanzig

Animal Activism, pp. 1419-1420

John A. Hoyt

Erratum: Reversible Cleavage and Ligation of Hepatitis Delta Virus RNA, p. 1420

News & Comment

Will Magnet Problems Delay the SSC?, pp. 1425-1426

Mark Crawford

German Universities Bursting at the Seams, p. 1427

Don Kirk

Monitoring the Fate of the Forests from Space, pp. 1428-1429

William Booth

Landsat Wins a Reprieve, p. 1429

Eliot Marshall

Alar: The Numbers Game, p. 1430

Leslie Roberts

MCAT to Stress Thinking, Writing, p. 1431

Constance Holden

Unesco Seeks Role in Genome Projects, pp. 1431-1432

David Dickson

NAE Elects New Members, p. 1432

Research News

Making the Moon, Remaking Earth, pp. 1433-1435

Richard A. Kerr

Ice Age Art Idea Toppled, p. 1435

Roger Lewin

Update on Electron Superconductors, p. 1436

Robert Pool

Diary of a Solar Flare, p. 1436

M. Mitchell Waldrop

Will the Hubble Space Telescope Compute?, pp. 1437-1439

M. Mitchell Waldrop

Growing up in Poor Neighborhoods: How Much Does it Matter?, pp. 1441-1445

Susan E. Mayer; Christopher Jencks

The First High-Energy Neutrino Experiment, pp. 1445-1449

Mel Schwartz

Glial Cell Diversification in the Rat Optic Nerve, pp. 1450-1455

Martin C. Raff

Reports

Generalized Tube Model of Biased Reptation for Gel Electrophoresis of DNA, pp. 1456-1458

Jaan Noolandi; Gary W. Slater; Hwa Aun Lim; Jean Louis Viovy

Heat Flow and Hydrothermal Circulation in the Cascade Range, North-Central Oregon, pp. 1458-1462

S. E. Ingebritsen; D. R. Sherrod; R. H. Mariner

Reduction of Intestinal Carcinogen Absorption by Carcinogen-Specific Secretory Immunity, pp. 1462-1464

Lawrence K. Silbart; David F. Keren

The Neutrophil-Activating Protein (NAP-1) is also Chemotactic for T Lymphocytes, pp. 1464-1466

Christian Grønhøj Larsen; Arthur O. Anderson; Ettore Appella; Joost J. Oppenheim; Kouji Matsushima

Endothelial Cell Gene Expression of a Neutrophil Chemotactic Factor by TNF-α, LPS, and IL-1β, pp. 1467-1469

R. M. Strieter; S. L. Kunkel; H. J. Showell; D. G. Remick; S. H. Phan; P. A. Ward; R. M. Marks

Identification of a Platelet Membrane Glycoprotein as a Falciparum Malaria Sequestration Receptor, pp. 1469-1471

Christian F. Ockenhouse; Narendra N. Tandon; Cathleen Magowan; G. A. Jamieson; Jeffrey D. Chulay

The Mutations in Ashkenazi Jews with Adult G _M2 Gangliosidosis, the Adult Form of Tay-Sachs Disease, pp. 1471-1474

Ruth Navon; Richard L. Proia

Quisqualate Activates a Rapidly Inactivating High Conductance Ionic Channel in Hippocampal Neurons, pp. 1474-1477

Cha-Min Tang; Marc Dichter; Martin Morad

The EGF Receptor Kinase Substrate p35 in the Floor Plate of the Embryonic Rat CNS, pp. 1477-1479

James A. McKanna; Stanley Cohen

Binocular Unmasking: An Analog to Binaural Unmasking?, pp. 1479-1481

Bruce Schneider; Giampaolo Moraglia; Allan Jepson

Identification of an Allatotropin from Adult Manduca sexta, pp. 1481-1483

Hiroshi Kataoka; Anne Toschi; Jorge P. Li; Robert L. Carney; David A. Schooley; Steven J. Kramer

Fluid Flow Stimulates Tissue Plasminogen Activator Secretion by Cultured Human Endothelial Cells, pp. 1483-1485

S. L. Diamond; S. G. Eskin; L. V. McIntire

Direct Brønsted Analysis of the Restoration of Activity to a Mutant Enzyme by Exogenous Amines, pp. 1485-1488

Michael D. Toney; Jack F. Kirsch

Amyloid β Protein Enhances the Survival of Hippocampal Neurons in vitro, pp. 1488-1490

Janet S. Whitson; Dennis J. Selkoe; Carl W. Cotman

Control of Angiogenesis with Synthetic Heparin Substitutes, pp. 1490-1493

Judah Folkman; Paul B. Weisz; Madeleine M. Joullié; William W. Li; William R. Ewing

Prevention of Rapid Intracellular Degradation of ODC by a Carboxyl-Terminal Truncation, pp. 1493-1495

L. Ghoda; T. Van Daalen Wetters; M. Macrae; D. Ascherman; P. Coffino

Book Reviews

Selection in Natural Populations, pp. 1496-1497

Reproductive Success

T. H. Clutton-Brock

Review author[s]: Robert E. Ricklefs

Loci of Invention, pp. 1497-1498

The Sources of Innovation

Eric Von Hippel

Review author[s]: F. M. Scherer

The Beginnings of SDI, pp. 1498-1499

Lost in Space

Gerald M. Steinberg

Review author[s]: Antonia Chayes

Some Other Books of Interest, p. 1499

Inorganic Mass Spectrometry

F. Adams; R. Gijbels; R. Van Grieken

Ultrasound

Kenneth S. Suslick

Review author[s]: K.L.

Back Matter (26 pp.)

Previous Issue: New Series, Vol. 243, No. 4896, Mar. 10, 1989
Next Issue: New Series, Vol. 243, No. 4898, Mar. 24, 1989

Science, New Series, Vol. 243, No. 4898, Mar. 24, 1989

Previous Issue: New Series, Vol. 243, No. 4897, Mar. 17, 1989
Next Issue: New Series, Vol. 243, No. 4899, Mar. 31, 1989

Front Matter (15 pp.)
A New Approach to Faculty Salaries, p. 1533

Daniel E. Koshland

Letters

Vitamin C Papers, p. 1535

Linus Pauling

Native Plants: Conservation Priorities, p. 1535

Robert Ornduff

Teaching Machines, p. 1535

B. F. Skinner

Boreal Forests and the Global Carbon Cycle, pp. 1535-1536

Pekka Kauppi; Maximilian Posch

La Difference, p. 1536

Roland Fischer

News & Comment

Spy Satellites: Entering a New Era, pp. 1541-1543

Daniel Charles

DOD Lists Critical Technologies, p. 1543

Colin Norman

EPA's Plan for Cooling the Global Greenhouse, pp. 1544-1545

Eliot Marshall

German Computer Spy Ring Broken, p. 1545

Eliot Marshall

Fraud Review May be Taken from NIH, p. 1545

Barbara J. Culliton

Next Science Adviser?, p. 1545

Mark Crawford

Japan Lays out Welcome Mat for U.S. Scientists, pp. 1546-1547

Marjorie Sun

Psychiatrists Examine Soviet System, p. 1547

Constance Holden

European Genome Program Delayed?, p. 1548

David Dickson

Marchuk Admits Flaws in Election, p. 1548

David Dickson

Bonn Launches Wind Energy Experiment, p. 1548

Don Kirk

... Britain Picks Site for Wind Farm, p. 1548

David Dickson

Research News

Limits to DNA Fingerprinting, pp. 1549-1551

Roger Lewin

Drug-Resistant Strains of AIDS Virus Found, pp. 1551-1552

Jean L. Marx

Treasuring the Moon for 20 Years, p. 1552

Richard A. Kerr

Is Risk Assessment Conservative?, p. 1553

Leslie Roberts

Pulsar, Pulsar, Where Art Thou, Pulsar?, p. 1553

M. Mitchell Waldrop

New Equipment Roundup dazzles scientists, pp. 1554-1556

Robert Pool

Star Formation in Irregular Galaxies, pp. 1557-1563

D. A. Hunter; J. S. Gallagher

Signal Transduction by the Platelet-Derived Growth Factor Receptor, pp. 1564-1570

Lewis T. Williams

Topology and Formation of Triple-Stranded H-DNA, pp. 1571-1576

Han Htun; James E. Dahlberg

A Multiubiquitin Chain is Confined to Specific Lysine in a Targeted Short-Lived Protein, pp. 1576-1583

Vincent Chau; John W. Tobias; Andreas Bachmair; David Marriott; David J. Ecker; David K. Gonda; Alexander Varshavsky

Reports

Radar Detection of Phobos, pp. 1584-1586

S. J. Ostro; R. F. Jurgens; D. K. Yeomans; E. M. Standish; W. Greiner

Imaging Crystals, Polymers, and Processes in Water with the Atomic Force Microscope, pp. 1586-1589

B. Drake; C. B. Prater; A. L. Weisenhorn; S. A. C. Gould; T. R. Albrecht; C. F. Quate; D. S. Cannell; H. G. Hansma; P. K. Hansma

Cnidocyte Mechanoreceptors are Tuned to the Movements of Swimming Prey by Chemoreceptors, pp. 1589-1591

Glen M. Watson; David A. Hessinger

Major Enhancement of the Affinity of an Enzyme for a Transition-State Analog by a Single Hydroxyl Group, pp. 1591-1593

Warren M. Kati; Richard Wolfenden

Direct Measurements of Sliding between Outer Doublet Microtubules in Swimming Sperm Flagella, pp. 1593-1596

Charles J. Brokaw

Histamine is an Intracellular Messenger Mediating Platelet Aggregation, pp. 1596-1599

Satya P. Saxena; Lorne J. Brandes; Allan B. Becker; Keith J. Simons; Frank S. LaBella; Jon M. Gerrard

Activation of the Cellular Proto-Oncogene Product p21Ras by Addition of a Myristylation Signal, pp. 1600-1603

Janice E. Buss; Patricia A. Solski; James P. Schaeffer; Marsha J. MacDonald; Channing J. Der

Activity-Dependent Enhancement of Presynaptic Inhibition in Aplysia Sensory Neurons, pp. 1603-1606

S. A. Small; E. R. Kandel; R. D. Hawkins

Directed Movement of Latex Particles in the Gynoecia of Three Species of Flowering Plants, pp. 1606-1608

L. C. Sanders; E. M. Lord

Commitment of Neural Crest Cells to the Sensory Neuron Lineage, pp. 1608-1611

Maya Sieber-Blum

Indole-2-Carboxylic Acid: A Competitive Antagonist of Potentiation by Glycine at the NMDA Receptor, pp. 1611-1613

James E. Huettner

Technical Comments

Asymmetries of Clade Shape and the Direction of Evolutionary Time, pp. 1613-1614

Norman L. Gilinsky; Stephen Jay Gould; Rebecca Z. German

Asymmetries of Clade Shape and the Direction of Evolutionary Time: Response, pp. 1614-1615

Jennifer A. Kitchell; Norman MacLeod

Possible Role of Carbamates in Neurotoxicity and Neurotransmitter Inactivation, p. 1615

Edmund A. Mroz

Possible Role of Carbamates in Neurotoxicity and Neurotransmitter Inactivation: Response, p. 1615

John W. Weiss; Dennis W. Choi

Meetings

Gordon Research Conferences, p. 1616

Book Reviews

Cortical Consolidation, p. 1617

Neurobiology of Neocortex

P. Rakic; W. Singer

Review author[s]: Steven P. Wise

The Bee Situation, p. 1618

Africanized Honey Bees and Bee Mites

Glen R. Needham; Robert E. Page; Mercedes Delfinado-Baker; Clive E. Bowman

Review author[s]: Evert E. Lindquist

Water-Formed Structures, pp. 1618-1619

Geomorphology and Hydrology of Karst Terrains

William B. White

Review author[s]: Arthur L. Bloom

Geothermometry, p. 1619

Thermal History of Sedimentary Basins

Nancy L. Naeser; Thane H. McCulloh

Review author[s]: George DeV. Klein

Back Matter (22 pp.)

Previous Issue: New Series, Vol. 243, No. 4897, Mar. 17, 1989
Next Issue: New Series, Vol. 243, No. 4899, Mar. 31, 1989

Science, New Series, Vol. 243, No. 4899, Mar. 31, 1989

Previous Issue: New Series, Vol. 243, No. 4898, Mar. 24, 1989
Next Issue: New Series, Vol. 244, No. 4900, Apr. 7, 1989

Volume Information (10 pp.)
Front Matter (17 pp.)
Congressional Fellowships for Science, p. 1649

Philip H. Abelson

Letters

Detection of Plastic Explosives, p. 1651

James R. Speer

Genes and Tongues, p. 1651

Richard T. O'Grady; Ives Goddard; Richard M. Bateman; William A. DiMichele; V. A. Funk; W. John Kress; Rich Mooi; Peter F. Cannell

News & Comment

Quiet Soviet Subs Prompt Concern, pp. 1653-1654

Colin Norman

Mexican Research Center Closed, p. 1654

William Booth

Big Changes Urged for Precollege Math, p. 1655

Constance Holden

Consensus Elusive on Japan's Genome Plans, pp. 1656-1657

Marjorie Sun

Britain Launches Genome Program, p. 1657

David Dickson

Science in Court, pp. 1658-1659

Constance Holden

Election Turmoil at Soviet Academy, p. 1659

David Dickson

Fate of R&D Tax Credit Uncertain, p. 1659

Mark Crawford

Waste Plan Bestirs Scots Nationalists, p. 1660

David Dickson

France to Raise Faculty Enticements, p. 1660

David Dickson

Research News

Fusion Breakthrough?, pp. 1661-1662

Robert Pool

Judging Paternity in the Hedge Sparrow's World, pp. 1663-1664

Roger Lewin

Brain Protein Yields Clues to Alzheimer's Disease, pp. 1664-1666

Jean L. Marx

Species Questions in Modern Human Origins, pp. 1666-1667

Roger Lewin

Clinical Versus Actuarial Judgment, pp. 1668-1674

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

Polar Solvent Dynamics and Electron-Transfer Reactions, pp. 1674-1681

Mark Maroncelli; Jean MacInnis; Graham R. Fleming

The DNA Binding Domain of the Rat Liver Nuclear Protein C/EBP is Bipartite, pp. 1681-1688

William H. Landschulz; Peter F. Johnson; Steven L. McKnight

Leucine Repeats and an Adjacent DNA Binding Domain Mediate the Formation of Functional cFos-cJun Heterodimers, pp. 1689-1694

Richard Turner; Robert Tjian

Parallel Association of Fos and Jun Leucine Zippers Juxtaposes DNA Binding Domains, pp. 1695-1699

Reiner Gentz; Frank J. Rauscher; Cory Abate; Tom Curran

Reports

Hexagonal Domain-Like Charge Density Wave Phase of TaS ₂ Determined by Scanning Tunneling Microscopy, pp. 1703-1705

Xian Liang Wu; Charles M. Lieber

Thirty Thousand Years of Human Colonization in Tasmania: New Pleistocene Dates, pp. 1706-1708

Richard Cosgrove

Scanning Tunneling Microscopy of Uncoated recA-DNA Complexes, pp. 1708-1711

M. Amrein; R. Dürr; A. Stasiak; H. Gross; G. Travaglini

Upper Jurassic Dinosaur Egg from Utah, pp. 1711-1713

Karl F. Hirsch; Kenneth L. Stadtman; Wade E. Miller; James H. Madsen

Mutations in a Protein Kinase C Homolog Confer Phorbol Ester Resistance on Caenorhabditis elegans, pp. 1713-1716

Yo Tabuse; Kiyoji Nishiwaki; Johji Miwa

In Vivo Modulation of Cytolytic Activity and Thy-1 Expression in TCR-γδ ⁺ Intraepithelial Lymphocytes, pp. 1716-1718

Leo Lefrancois; Thomas Goodman

Defensive Behaviors in Infant Rhesus Monkeys: Environmental Cues and Neurochemical Regulation, pp. 1718-1721

Ned H. Kalin; Steven E. Shelton

Ethanol Inhibits NMDA-Activated Ion Current in Hippocampal Neurons, pp. 1721-1724

David M. Lovinger; Geoffrey White; Forrest F. Weight

Restriction Fragment Length Polymorphisms Associated with Water Use Efficiency in Tomato, pp. 1725-1728

Bjorn Martin; James Nienhuis; Gretchen King; Alison Schaefer

The Pathway of Infection of Autographa californica Nuclear Polyhedrosis Virus in an Insect Host, pp. 1728-1730

B. Andrew Keddie; Gregory W. Aponte; Loy E. Volkman

HIV with Reduced Sensitivity to Zidovudine (AZT) Isolated during Prolonged Therapy, pp. 1731-1734

Brendan A. Larder; Graham Darby; Douglas D. Richman

Technical Comments

Factor XIIIa-Expressing Dermal Dendrocytes in AIDS-Associated Cutaneous Kaposi's Sarcomas, pp. 1736-1737

Brian J. Nickoloff; Christopher E. M. Griffiths

Factor XIIIa-Expressing Dermal Dendrocytes in AIDS-Associated Cutaneous Kaposi's Sarcomas: Response, p. 1737

Robert C. Gallo; S. Zaki Salahuddin; Shuji Nakamura

Book Reviews

Long-Term Care: Sharing of the Burden, pp. 1738-1739

Caring for the Disabled Elderly

Alice M. Rivlin; Joshua M. Wiener

Review author[s]: Christine E. Bishop

AIDS and Communal Values, pp. 1739-1740

Private Acts, Social Consequences

Ronald Bayer

Review author[s]: Dan E. Beauchamp

Clinical Advances in Practice, pp. 1740-1741

The Diffusion of Medical Innovation

Mary L. Fennell; Richard B. Warnecke

Review author[s]: John R. Kimberly

Back Matter (20 pp.)

Previous Issue: New Series, Vol. 243, No. 4898, Mar. 24, 1989
Next Issue: New Series, Vol. 244, No. 4900, Apr. 7, 1989

Science, New Series, Vol. 244, No. 4900, Apr. 7, 1989

Previous Issue: New Series, Vol. 243, No. 4899, Mar. 31, 1989
Next Issue: New Series, Vol. 244, No. 4901, Apr. 14, 1989

Front Matter (20 pp.)
Scare of the Week, p. 9

Daniel E. Koshland

Letters

Yanomamö Survival, p. 11

Napoleon A. Chagnon

Scientific Decision-Making in School, pp. 11-12

Thomas Moorman

The Chevron Doctrine, p. 12

Ivan K. Fong

News & Comment

Valdez: The Predicted Oil Spill, pp. 20-21

Eliot Marshall

Ellis Rubinstein Named News Editor, p. 21

Long, Slow Recovery Predicted for Alaska, pp. 22-24

Leslie Roberts

Bevill Wants Foreign SSC Funding up front, p. 24

Mark Crawford

DOE Boosts Research for Defense Cleanup, p. 24

Mark Crawford

Somali Scientists Freed, p. 24

Constance Holden

Truly in Line for NASA Post, p. 24

Eliot Marshall

Navy Relents in Battle over Mapping Sea Floor, p. 25

Colin Norman

Soviet Failure at Mars a Reminder of Risks, p. 26

Richard A. Kerr

Research News

Fusion Followup: Confusion Abounds, pp. 27-29

Robert Pool

Telescope Collapse Unraveled, p. 29

Colin Norman

A New Way to Forecast Next Season's Climate, pp. 30-31

Richard A. Kerr

Gazing into the Interior of the Sun, p. 31

M. Mitchell Waldrop

How to Get Plants into the Conservationists' Ark, pp. 32-33

Roger Lewin

Mimicking Photosynthesis, pp. 35-41

Devens Gust; Thomas A. Moore

The Purine Path to Chemotherapy, pp. 41-47

Gertrude B. Elion

On Finding All Suboptimal Foldings of an RNA Molecule, pp. 48-52

Michael Zuker

Reports

Cretaceous Cold-Seep Communities and Methane-Derived Carbonates in the Canadian Arctic, pp. 53-56

Benoit Beauchamp; H. Roy Krouse; J. Christopher Harrison; Walter W. Nassichuk; Leslie S. Eliuk

Dynamics of Liquefaction during the 1987 Superstition Hills, California, Earthquake, pp. 56-59

T. L. Holzer; T. L. Youd; T. C. Hanks

Skeleton of the Oldest Known Pinniped, Enaliarctos mealsi, pp. 60-62

Annalisa Berta; Clayton E. Ray; Andŕe R. Wyss

Anomalous Scattering Study of the Bi Distribution in the 2212 Superconductor: Implications for Cu Valency, pp. 62-63

P. Lee; Y. Gao; H. S. Sheu; V. Petricek; R. Restori; P. Coppens; A. Darovskikh; J. C. Phillips; A. W. Sleight; M. A. Subramanian

Central Synaptic Inputs to Identified Leech Neurons Determined by Peripheral Targets, pp. 64-66

Curtis M. Loer; William B. Kristan

elk, Tissue-Specific ets-Related Genes on Chromosomes X and 14 near Translocation Breakpoints, pp. 66-70

Veena N. Rao; Kay Huebner; Masaharu Isobe; Abbas Ar-Rushdi; Carlo M. Croce; E. Shyam P. Reddy

Immune Response to Cholera Toxin Epitope Inserted in Salmonella Flagellin, pp. 70-72

Salete M. C. Newton; Chaim O. Jacob; Bruce A. D. Stocker

Heritable Allele-Specific Differences in Amounts of apoB and Low-Density Lipoproteins in Plasma, pp. 72-76

Dov Gavish; Eliot A. Brinton; Jan L. Breslow

Identification of a Thyroid Hormone Receptor that is Pituitary-Specific, pp. 76-79

Richard A. Hodin; Mitchell A. Lazar; Bruce I. Wintman; Douglas S. Darling; Ronald J. Koenig; P. Reed Larsen; David D. Moore; William W. Chin

Odor-Induced Membrane Currents in Vertebrate-Olfactory Receptor Neurons, pp. 79-82

Stuart Firestein; Frank Werblin

Enhanced Activity and Altered Specificity of Phospholipase A ₂ by Deletion of a Surface Loop, pp. 82-85

Oscar P. Kuipers; Marjolein M. G. M. Thunnissen; Pieter De Geus; Bauke W. Dijkstra; Jan Drenth; Hubertus M. Verheij; Gerard H. De Haas

Inside AAAS

1989 Council Meeting, pp. 86-87

Resolution on U.S. Return to UNESCO, p. 86

Marge White

Global Change and the Franklin Lecture, p. 87

The New Genetics at the Old University, p. 87

Technology for Biotechnology, p. 87

Book Reviews

Nuclear Scenarists, pp. 89-90

Minds at War

Steven Kull

Review author[s]: William A. Schwartz; Charles Derber

A Tour of Computers, p. 90

Ideas and Information

Arno Penzias Norton

Review author[s]: David L. Goodstein

Some Other Books of Interest, pp. 90-91

Science off the Pedestal

Daryl E. Chubin; Ellen W. Chu

Einstein Simplified

Sidney Harris

Newton's Dream

Marcia Sweet Stayer

Review author[s]: K.L.

Back Matter (26 pp.)

Previous Issue: New Series, Vol. 243, No. 4899, Mar. 31, 1989
Next Issue: New Series, Vol. 244, No. 4901, Apr. 14, 1989

Science, New Series, Vol. 244, No. 4901, Apr. 14, 1989

Previous Issue: New Series, Vol. 244, No. 4900, Apr. 7, 1989
Next Issue: New Series, Vol. 244, No. 4902, Apr. 21, 1989

Front Matter (38 pp.)
World Food Research, p. 125

Philip H. Abelson

Letters

Old Cars and Taxation, p. 127

A. Myrick Freeman

Acid Rain Models, p. 127

James A. Fay; Dan S. Golomb

Acid Rain Models: Response, pp. 127-128

Stephen E. Schwartz

Fund-Raising and NIH, p. 128

Robert I. Glazer

News & Comment

Shuttle Rocket Plan under Fire, pp. 135-136

Eliot Marshall

Inaction on Technology Programs Stirs Congress, pp. 137-138

Colin Norman

Budget Squeeze Causes Fission in Fusion Labs, pp. 138-139

Mark Crawford

Agricultural Groups Push Research Plan, p. 140

Mark Crawford

Research News

New Thinking on Old Growth, pp. 141-143

William Booth

Confirmations Heat up Cold Fusion Prospects, pp. 143-144

Robert Pool

Does Chaos Permeate the Solar System?, pp. 144-145

Richard A. Kerr

PARC Brings Adam Smith to Computing, pp. 145-146

M. Mitchell Waldrop

How Cancer Cells Spread in the Body, pp. 147-148

Jean L. Marx

The Cycle of Violence, pp. 160-166

Cathy Spatz Widom

Light Reflection Models for Computer Graphics, pp. 166-173

Donald P. Greenberg

Regulated Genes in Transgenic Plants, pp. 174-181

Philip N. Benfey; Nam-Hai Chua

A General Method for Site-Specific Incorporation of Unnatural Amino Acids into Proteins, pp. 182-188

Christopher J. Noren; Spencer J. Anthony-Cahill; Michael C. Griffith; Peter G. Schultz

Reports

Effect of Water on the Composition of Partial Melts of Greenstone and Amphibolite, pp. 195-197

James S. Beard; Gary E. Lofgren

Contribution of Ultraviolet Irradiance Variations to Changes in the Sun's Total Irradiance, pp. 197-200

J. Lean

Kestel: An Early Bronze Age Source of Tin Ore in the Taurus Mountains, Turkey, pp. 200-203

K. Aslihan Yener; Hadi̇ Özbal; Ergun Kaptan; A. Neci̇p Pehli̇van; Martha Goodway

Visual Detection of Transposition of the Maize Element Activator (Ac) in Tobacco Seedlings, pp. 204-207

Jonathan D. G. Jones; Francine M. Carland; Pal Maliga; Hugo K. Dooner

Allelotype of Colorectal Carcinomas, pp. 207-211

Bert Vogelstein; Eric R. Fearon; Scott E. Kern; Stanley R. Hamilton; Ann C. Preisinger; Yusuke Nakamura; Ray White

Regulation of Calcium Concentration in Voltage-Clamped Smooth Muscle Cells, pp. 211-214

Peter L. Becker; Joshua J. Singer; John V. Walsh; Fredric S. Fay

Influence of the Major Histocompatibility Complex on Positive Thymic Selection of V _β 17a ⁺ T Cells, pp. 214-217

Marcia A. Blackman; Philippa Marrack; John Kappler

Chromosome 17 Deletions and p53 Gene Mutations in Colorectal Carcinomas, pp. 217-221

Suzanne J. Baker; Eric R. Fearon; Janice M. Nigro; Stanley R. Hamilton; Ann C. Preisinger; J. Milburn Jessup; Peter VanTuinen; David H. Ledbetter; David F. Barker; Yusuke Nakamura; Ray White; Bert Vogelstein

Expression of a Cloned Rat Brain Potassium Channel in Xenopus Oocytes, pp. 221-224

Macdonald J. Christie; John P. Adelman; James Douglass; R. Alan North

Inescapable Versus Escapable Shock Modulates Long-Term Potentiation in the Rat Hippocampus, pp. 224-226

Tracey J. Shors; Thomas B. Seib; Seymour Levine; Richard F. Thompson

Seasonal Microhabitat Selection by an Endoparasitoid through Adaptive Modification of Host Behavior, pp. 226-228

Jacques Brodeur; Jeremy N. McNeil

Book Reviews

Return of the Falcons, pp. 233-234

Peregrine Falcon Populations

Tom J. Cade; James H. Enderson; Carl G. Thelander; Clayton M. White

Review author[s]: James C. Bednarz

An Environmental Problem, pp. 234-235

The Acid Rain Controversy

James L. Regens; Robert W. Rycroft

Review author[s]: Jurgen Schmandt

A Well-Studied Worm, p. 235

The Nematode Caenorhabditis elegans

William B. Wood

Review author[s]: Jasper Rine; Cynthia Kenyon

Freshwater Plants, pp. 235-236

Vegetation of Inland Waters

J. J. Symoens

Review author[s]: Jacob Kalff

Back Matter (29 pp.)

Previous Issue: New Series, Vol. 244, No. 4900, Apr. 7, 1989
Next Issue: New Series, Vol. 244, No. 4902, Apr. 21, 1989

Science, New Series, Vol. 244, No. 4902, Apr. 21, 1989

Previous Issue: New Series, Vol. 244, No. 4901, Apr. 14, 1989
Next Issue: New Series, Vol. 244, No. 4903, Apr. 28, 1989

Front Matter (22 pp.)
Progress in Energy R&D, p. 273

Philip H. Abelson

Letters

Accelerator Production of Tritium, p. 275

Lawrence T. Papay; Meyer Steinberg

Biotechnology Regulation, pp. 275-276

Philip L. Bereano; Jane Rissler

News & Comment

The Case of the ``Misplaced'' Fossils, pp. 277-279

Roger Lewin

``L' Affaire Pasteur'' Prompts Canadian Outcry, pp. 280-281

David Dickson

Gramm-Rudman Avoided, for Now, p. 281

Colin Norman

Research Group Forswears Financial Ties to Firms Whose Drugs it Tests, p. 282

Constance Holden

National Academy Panel Rejects the Case for a Mini-Space Station, pp. 282-283

Eliot Marshall

Bromley in Line for Science Adviser, p. 283

Mark Crawford

Research News

Skepticism Grows over Cold Fusion, pp. 284-285

Robert Pool

New Fault Picture Points toward Bay Area Quakes, pp. 286-287

Richard A. Kerr

AIDS Drugs--Coming but not Here, p. 287

Jean L. Marx

Does the Ozone Hole Threaten Antarctic Life?, pp. 288-289

Leslie Roberts

Random Samples, p. 290

Gregory Byrne

Trends in Energy Technology

Photovoltaics Today and Tomorrow, pp. 297-304

H. M. Hubbard

Changing Prospects for Natural Gas in the United States, pp. 305-310

W. M. Burnett; S. D. Ban

Improving the Efficiency of Electricity Use in Manufacturing, pp. 311-317

Marc Ross

Improved and Safer Nuclear Power, pp. 318-325

John J. Taylor

Reports

Origin of Granulite Terranes and the Formation of the Lowermost Continental Crust, pp. 326-329

S. R. Bohlen; K. Mezger

Template-Directed Oligomerization Catalyzed by a Polynucleotide Analog, pp. 329-331

J. Visscher; C. G. Bakker; R. Van Der Woerd; Alan W. Schwartz

Access to a Messenger RNA Sequence or its Protein Product is not Limited by Tissue or Species Specificity, pp. 331-334

Gobinda Sarkar; Steve S. Sommer

Expression of High-Affinity Binding of Human Immunoglobulin E by Transfected Cells, pp. 334-337

Larry Miller; Ulrich Blank; Henry Metzger; Jean-Pierre Kinet

Activation of an Excluded Immunoglobulin Allele in a Human B Lymphoma Cell Line, pp. 337-339

Neil Berinstein; Shoshana Levy; Ronald Levy

Regulation of Lymphokine Messenger RNA Stability by a Surface-Mediated T Cell Activation Pathway, pp. 339-343

Tullia Lindsten; Carl H. June; Jeffrey A. Ledbetter; Gregory Stella; Craig B. Thompson

The Role of Cis-Acting Promoter Elements in Tissue-Specific Albumin Gene Expression, pp. 343-346

Pascal Maire; Jérôme Wuarin; Ueli Schibler

A Direct Repeat is a Hotspot for Large-Scale Deletion of Human Mitochondrial DNA, pp. 346-349

Eric A. Schon; Rosario Rizzuto; Carlos T. Moraes; Hirofumi Nakase; Massimo Zeviani; Salvatore DiMauro

Two Molecular Transitions Influence Cardiac Sodium Channel Gating, pp. 349-352

David T. Yue; John H. Lawrence; Eduardo Marban

Modulation of Rod-Cone Coupling by Light, pp. 352-354

Xiong-Li Yang; Samuel M. Wu

The Incremental Threshold of the Rod Visual System and Weber's Law, pp. 354-356

Lindsay T. Sharpe; Clemens Fach; Knut Nordby; Andrew Stockman

Oxidation-Reduction and the Molecular Mechanism of a Regulatory RNA-Protein Interaction, pp. 357-359

Matthias W. Hentze; Tracey A. Rouault; Joe B. Harford; Richard D. Klausner

Isolation of a cDNA Clone Derived from a Blood-Borne Non-A, Non-B Viral Hepatitis Genome, pp. 359-362

Qui-Lim Choo; George Kuo; Amy J. Weiner; Lacy R. Overby; Daniel W. Bradley; Michael Houghton

An Assay for Circulating Antibodies to a Major Etiologic Virus of Human Non-A, Non-B Hepatitis, pp. 362-364

G. Kuo; Q.-L. Choo; H. J. Alter; G. L. Gitnick; A. G. Redeker; R. H. Purcell; T. Miyamura; J. L. Dienstag; M. J. Alter; C. E. Stevens; G. E. Tegtmeier; F. Bonino; M. Colombo; W.-S. Lee; C. Kuo; K. Berger; J. R. Shuster; L. R. Overby; D. W. Bradley; M. Houghton

Book Reviews

An Industry in China, p. 369

Technological Innovation in China

Denis Fred Simon; Detlef Rehn

Review author[s]: Nicholas R. Lardy

Benedict as Feminist, pp. 369-370

Ruth Benedict

Margaret M. Caffrey

Review author[s]: Richard Handler

Ancient Mesopotamia, pp. 370-371

The Early History of the Ancient near East, 9000-2000 B.C.

Hans J. Nissen

Review author[s]: Richard L. Zettler

Back Matter (26 pp.)

Previous Issue: New Series, Vol. 244, No. 4901, Apr. 14, 1989
Next Issue: New Series, Vol. 244, No. 4903, Apr. 28, 1989

Science, New Series, Vol. 244, No. 4903, Apr. 28, 1989

Previous Issue: New Series, Vol. 244, No. 4902, Apr. 21, 1989
Next Issue: New Series, Vol. 244, No. 4904, May 5, 1989

Front Matter (12 pp.)
Low Probability-High Consequence Accidents, p. 405

Daniel E. Koshland

Perspective

Gamma-Ray Observations of Orbiting Nuclear Reactors, pp. 407-408

Joel R. Primack

Letters

Hubble Space Telescope Operations System, p. 409

Ethan J. Schreier

Animals in the Laboratory, p. 409

David H. Hubel; Michael W. Fox; Deborah A. Rosen

Erratum: Single-chain Antigen-binding Proteins, p. 409

News & Comment

Dingell v. Baltimore, pp. 412-414

Barbara J. Culliton

Wyngaarden to Leave NIH, p. 414

Barbara J. Culliton

A Preemptive Strike for Animal Research, pp. 415-416

Constance Holden

AIDS Researchers Upset by Refusal to Share Probes on Mysterious Microbe, p. 416

William Booth

Fang Lizhi: Speaking out for Human Rights, pp. 417-418

Marjorie Sun

WHO Seeks Global Data on Sexual Practices, pp. 418-419

William Booth

Research News

How Cold Fusion Happened--Twice!, pp. 420-423

Robert Pool

Genome Mapping Goal Now in Reach, pp. 424-425

Leslie Roberts

Coulomb Explosion Imaging of Small Molecules, pp. 426-431

Z. Vager; R. Naaman; E. P. Kanter

Recording and Interpretation of Cerebral Magnetic Fields, pp. 432-436

Riitta Hari; Olli V. Lounasmaa

Catalytic Antibodies with Lipase Activity and R or S Substrate Selectivity, pp. 437-440

Kim D. Janda; Stephen J. Benkovic; Richard A. Lerner

Reports

Man-Made Transients Observed by the Gamma-Ray Spectrometer on the Solar Maximum Mission Satellite, pp. 441-444

Erich Rieger; W. Thomas Vestrand; David J. Forrest; Edward L. Chupp; Gottfried Kanbach; Claus Reppin

Geomagnetic Origin for Transient Particle Events from Nuclear Reactor--Powered Satellites, pp. 444-448

G. H. Share; J. D. Kurfess; K. W. Marlow; D. C. Messina

Distribution and Detection of Positrons from an Orbiting Nuclear Reactor, pp. 448-451

E. W. Hones; P. R. Higbie

Observations of Nuclear Reactors on Satellites with a Balloon-Borne Gamma-Ray Telescope, pp. 451-454

Terrence J. O'Neill; Alan D. Kerrick; Farid Ait-Ouamer; O. Tumay Tumer; Allen D. Zych; R. Stephen White

Hydrogen Sulfide on Io: Evidence from Telescopic and Laboratory Infrared Spectra, pp. 454-457

Douglas B. Nash; Robert R. Howell

Kappa B--Specific DNA Binding Proteins: Role in the Regulation of Human Interleukin-2 Gene Expression, pp. 457-460

Beatrice Hoyos; Dean W. Ballard; Ernst Böhnlein; Miriam Siekevitz; Warner C. Greene

Metastatic Hibernomas in Transgenic Mice Expressing an α-amylase--SV40 T Antigen Hybrid Gene, pp. 460-463

Niles Fox; Rosanne Crooke; Lih-Hwa S. Hwang; Ueli Schibler; Barbara B. Knowles; Davor Solter

Mouse Embryonic Stem Cells and Reporter Constructs to Detect Developmentally Regulated Genes, pp. 463-465

Achim Gossler; Alexandra L. Joyner; Janet Rossant; William C. Skarnes

Functionally Distinct NF-κB Binding sites in the Immunoglobulin κ and IL-2 Receptor α Chain Genes, pp. 466-469

Sharon L. Cross; Nancy F. Halden; Michael J. Lenardo; Warren J. Leonard

Role of Na ⁺ /H ⁺ Exchange by Interferon-γ in Enhanced Expression of JE and I-A _β Genes, pp. 469-471

Veronica Prpic; Sheau-Fung Yu; Florencio Figueiredo; Paul W. Hollenbach; Gowind Gawdi; Brian Herman; Ronald J. Uhing; Dolph O. Adams

High Rate of HTLV-II Infection in Seropositive IV Drug Abusers in New Orleans, pp. 471-475

Helen Lee; Priscilla Swanson; Vernon S. Shorty; Jerome A. Zack; Joseph D. Rosenblatt; Irvin S. Y. Chen

Scanning Tunneling Microscopy of Nucleic Acids, pp. 475-477

Gil Lee; Patricia G. Arscott; Victor A. Bloomfield; D. Fennell Evans

Book Reviews

Confrontations Close to Home, p. 478

Contaminated Communities

Michael R. Edelstein

Review author[s]: Bonnie J. McCay

Physical Mineralogy, pp. 478-479

Structural and Magnetic Phase Transitions in Minerals

S. Ghose; J. M D. Coey; E. Salje

Review author[s]: A. M. Glazer

Geologic Tubes, p. 479

Explosion Pipes

Vladimir A. Milashev

Review author[s]: Susan W. Kieffer

Some Other Books of Interest, p. 479

Progress and Opportunities in Southern Hemisphere Optical Astronomy

V. M. Blanco; M. M. Phillips

Reviews in Modern Astronomy

Gerhard Klare

Review author[s]: K.L.

Back Matter (25 pp.)

Previous Issue: New Series, Vol. 244, No. 4902, Apr. 21, 1989
Next Issue: New Series, Vol. 244, No. 4904, May 5, 1989

Science, New Series, Vol. 244, No. 4904, May 5, 1989

Previous Issue: New Series, Vol. 244, No. 4903, Apr. 28, 1989
Next Issue: New Series, Vol. 244, No. 4905, May 12, 1989

Front Matter (23 pp.)
Drunk Driving and Statistical Morality, p. 513

Daniel E. Koshland

Letters

Planet Exploration, p. 515

Louis Friedman

Science Education, p. 515

Grant M. Carrow

Alar and Apples, p. 515

Thomas H. Jukes

Alar and Apples: Response, p. 515

Leslie Roberts

News & Comment

Clean Air? Don't Hold Your Breath, pp. 517-520

Eliot Marshall

Watson Floats a Plan to Carve up the Genome, pp. 521-522

David Dickson

Utah Looks to Congress for Cold Fusion Cash, pp. 522-523

Mark Crawford

Cold Water from Caltech, p. 523

M. Mitchell Waldrop

NAS Elects News Members, p. 524

Peoples Selected Head of Fermilab, p. 524

Mark Crawford

Nobelists Back Animal Research, p. 524

Barbara J. Culliton

Research News

Space Science on the Rebound?, pp. 525-526

M. Mitchell Waldrop

Biologists Disagree over Bold Signature of Nature, pp. 527-528

Roger Lewin

The Circle can be Squared!, p. 528

Barry A. Cipra

Another Movement in the Dance of the Plates, pp. 529-530

Richard A. Kerr

Rewarding Performance that is Hard to Measure: The Private Nonprofit Sector, pp. 541-546

Burton A. Weisbrod

Studies of Inositol Phospholipid--Specific Phospholipase C, pp. 546-550

Sue Goo Rhee; Pann-Ghill Suh; Sung-Ho Ryu; Sang Yeol Lee

Interleukin-2 Receptor β Chain Gene: Generation of Three Receptor Forms by Cloned Human α and β Chain cDNA's, pp. 551-556

Masanori Hatakeyama; Mitsuru Tsudo; Seijiro Minamoto; Takeshi Kono; Takeshi Doi; Takashi Miyata; Masayuki Miyasaka; Tadatsugu Taniguchi

Reports

Microearthquake Imaging of the Parkfield Asperity, pp. 557-559

P. E. Malin; S. N. Blakeslee; M. G. Alvarez; A. J. Martin

Long-Range Electronic Perturbations Caused by Defects using Scanning Tunneling Microscopy, pp. 559-562

H. A. Mizes; J. S. Foster

Detection of C ₅ in the Circumstellar Shell of IRC+10216, pp. 562-564

Peter F. Bernath; Kenneth H. Hinkle; John J. Keady

Diode-Laser Absorption Spectroscopy of Supersonic Carbon Cluster Beams: The ν ₃ Spectrum of C ₅, pp. 564-566

J. R. Heath; A. L. Cooksy; M. H. W. Gruebele; C. A. Schmuttenmaer; R. J. Saykally

AP1/jun Function is Differentially Induced in Promotion-Sensitive and Resistant JB6 Cells, pp. 566-569

Lori R. Bernstein; Nancy H. Colburn

Selective Amplification and Cloning of Four New Members of the G Protein-Coupled Receptor Family, pp. 569-572

Frédérick Libert; Marc Parmentier; Anne Lefort; Christiane Dinsart; Jacqueline Van Sande; Carine Maenhaut; Marie-Jeanne Simons; Jacques E. Dumont; Gilbert Vassart

Murine MHC Polymorphism and T Cell Specificities, pp. 572-575

Syamal Roy; Mark T. Scherer; Thomas J. Briner; John A. Smith; Malcolm L. Gefter

Interferon-α but not AZT Suppresses HIV Expression in Chronically Infected Cell Lines, pp. 575-577

Guido Poli; Jan M. Orenstein; Audrey Kinter; Thomas M. Folks; Anthony S. Fauci

Spatial Buffering of Light-Evoked Potassium Increases by Retinal Müller (Glial) Cells, pp. 578-580

Chester J. Karwoski; Hong-Kai Lu; Eric A. Newman

Diffusible Factors Essential for Epidermal Cell Redifferentiation in Catharanthus roseus, pp. 580-582

Bruce A. Siegel; Judith A. Verbeke

Commitment of Mouse Fibroblasts to Adipocyte Differentiation by DNA Transfection, pp. 582-585

Suzie Chen; Luz C. Teicher; Debora Kazim; Robert E. Pollack; Leigh S. Wise

Synaptic Connections in vitro: Modulation of Number and Efficacy by Electrical Activity, pp. 585-587

Phillip G. Nelson; Chang Yu; R. Douglas Fields; Elaine A. Neale

Book Reviews

Finding Quasars, p. 590

Proceedings of a Workshop on Optical Surveys for Quasars

Patrick S. Osmer; Alain C. Porter; Richard F. Green; Craig B. Foltz

Review author[s]: David C. Koo

Seafloor Discoveries, pp. 590-591

Seabed Pockmarks and Seepages

M. Hovland; A. G. Judd

Review author[s]: Keith A. Kvenvolden

Metalloenzymes, p. 591

The Blolnorganic Chemistry of Nickel

Jack R. Lancaster

Review author[s]: Michael K. Johnson

Some Other Books of Interest, p. 592

Human Polymorphic Genes

Arun K. Roychoudhury; Masatoshi Nei

Sex Determination in Mouse and Man

Anne McLaren; M. A. Ferguson-Smith

Algae as Experimental Systems

Annette W. Coleman; Lynda J. Goff; Janet R. Stein-Taylor

Review author[s]: K.L.

Back Matter (29 pp.)

Previous Issue: New Series, Vol. 244, No. 4903, Apr. 28, 1989
Next Issue: New Series, Vol. 244, No. 4905, May 12, 1989

Science, New Series, Vol. 244, No. 4905, May 12, 1989

Previous Issue: New Series, Vol. 244, No. 4904, May 5, 1989
Next Issue: New Series, Vol. 244, No. 4906, May 19, 1989

Front Matter (23 pp.)
Oil Spills, p. 629

Philip H. Abelson

Letters

Budget Cuts at NIH, p. 631

Meyrick J. Peak

Climate and Forests, p. 631

Roger A. Sedjo

Retraction, p. 631

K. M. Milam; S. Horn; P. J. Tofilon; D. F. Deen; L. J. Marton

Educational Reform, pp. 631-632

David Elkind

Yanomami Indians and Anthropological Ethics, p. 632

Bruce Albert; Alcida Rita Ramos

Notification to Readers, p. 632

Jorge F. Ferrer; Phalguni Gupta

News & Comment

The Dingell Probe Finally Goes Public, pp. 643+645-646

Barbara J. Culliton

Secret Service Probes Lab Notebooks, p. 644

Eliot Marshall

Electrochemists Fail to Heat up Cold Fusion, p. 647

Robert Pool; T.A. Heppenheimer

Germany Sets up New Space Agency, p. 648

David Dickson; Don Kirk

Researchers Irked by Changes to Testimony, p. 648

Eliot Marshall

Frazier Honored by Psychiatrists, p. 649

B.J.C.

Koop Resigns in a Huff, p. 649

C.N.

Science Artifacts on the Block, p. 649

David Dickson

Skeleton Alleged in the Stealth Bomber's Closet, pp. 650-651

Wayne Biddle

Research News

Two Cultures Find Common Ground, pp. 652-653

Jean L. Marx

Gene Signals Relapse of Breast, Ovarian Cancers, pp. 654-655

Jean L. Marx

New Chip May Speed Genome Analysis, pp. 655-656

Leslie Roberts

The Economic Status of the Elderly, pp. 659-664

Michael D. Hurd

Observations in Particle Physics from Two Neutrinos to the Standard Model, pp. 664-672

Leon M. Lederman

How Old is the Genetic Code? Statistical Geometry of tRNA Provides an Answer, pp. 673-679

Manfred Eigen; Björn F. Lindemann; Manfred Tietze; Ruthild Winkler-Oswatitsch; Andreas Dress; Arndt Von Haeseler

Stereochemistry of RNA Cleavage by the Tetrahymena Ribozyme and Evidence that the Chemical Step is not Rate-Limiting, pp. 679-683

James A. McSwiggen; Thomas R. Cech

Reports

Model Simulation of the Cretaceous Ocean Circulation, pp. 684-686

Eric J. Barron; William H. Peterson

Hearing in Honey Bees: Detection of Air-Particle Oscillations, pp. 686-688

William F. Towne; Wolfgang H. Kirchner

Fibroblast Growth Factor in the Extracellular Matrix of Dystrophic (mdx) Mouse Muscle, pp. 688-690

J. DiMario; N. Buffinger; S. Yamada; R. C. Strohman

Corn and Culture in Central Andean Prehistory, pp. 690-692

Sissel Johannessen; Christine A. Hastorf

Stereochemical Course of Catalysis by the Tetrahymena Ribozyme, pp. 692-694

Jayaraj Rajagopal; Jennifer A. Doudna; Jack W. Szostak

Identification of the Fusion Peptide of Primate Immunodeficiency Viruses, pp. 694-697

Marnix L. Bosch; Patricia L. Earl; Kathleen Fargnoli; Silvia Picciafuoco; Fabrizio Giombini; Flossie Wong-Staal; Genoveffa Franchini

Calicheamicin γ ₁ ^I and DNA: Molecular Recognition Process Responsible for Site-Specificity, pp. 697-699

Nada Zein; Marc Poncin; Ramaswamy Nilakantan; George A. Ellestad

Complementary DNA Coding Click Beetle Luciferases Can Elicit Bioluminescence of Different Colors, pp. 700-702

Keith V. Wood; Y. Amy Lam; Howard H. Seliger; William D. McElroy

Reexamination of the Three-Dimensional Structure of the Small Subunit of RuBisCo from Higher Plants, pp. 702-705

Stefan Knight; Inger Andersson; Carl-Ivar Brändén

Receptor-Mediated Drug Delivery to Macrophages in Chemotherapy of Leishmaniasis, pp. 705-707

Amitabha Mukhopadhyay; Gautam Chaudhuri; Sunil K. Arora; Shobha Sehgal; Sandip K. Basu

Studies of the HER-2/neu Proto-Oncogene in Human Breast and Ovarian Cancer, pp. 707-712

Dennis J. Slamon; William Godolphin; Lovell A. Jones; John A. Holt; Steven G. Wong; Duane E. Keith; Wendy J. Levin; Susan G. Stuart; Judy Udove; Axel Ullrich; Michael F. Press

Activation of γδ T Cells in the Primary Immune Response to Mycobacterium tuberculosis, pp. 713-716

Eric M. Janis; Stefan H. E. Kaufmann; Ronald H. Schwartz; Drew M. Pardoll

Neural Integration of Information Specifying Structure from Stereopsis and Motion, pp. 716-718

Mark Nawrot; Randolph Blake

Book Reviews

A Biomedical Pioneer, pp. 719-720

Otto Folin

Samuel Meites

Review author[s]: John T. Edsall

The Technological Past, pp. 720-721

Nuts and Bolts of the Past

David Freeman Hawke

Review author[s]: Carroll Pursell

Evaporite Geology, p. 721

Evaporite Sedimentology

John K. Warren

Evaporites and Hydrocarbons

B. Charlotte Schreiber

Review author[s]: Peter Sonnenfeld

Outpourings of Lava, pp. 721-722

Continental Flood Basalts

J. D. Macdougall

Review author[s]: Stearns A. Morse

Back Matter (23 pp.)

Previous Issue: New Series, Vol. 244, No. 4904, May 5, 1989
Next Issue: New Series, Vol. 244, No. 4906, May 19, 1989

Science, New Series, Vol. 244, No. 4906, May 19, 1989

Previous Issue: New Series, Vol. 244, No. 4905, May 12, 1989
Next Issue: New Series, Vol. 244, No. 4907, May 26, 1989

Front Matter (15 pp.)
The Confusion Profusion, p. 753

Daniel E. Koshland

Letters

Alar in Apples, p. 755

Edward Groth

Pesticides, Risk, and Applesauce, pp. 755-757

Bruce N. Ames; Lois Swirsky Gold

Erratum: Seroprevalence and Epidemiological Correlates of HTLV-I Infection in U.S. Blood Donors, p. 757

News & Comment

HDTV: The Technology du Jour, pp. 761-764

Colin Norman

A Fast Track for High-Risk Science, p. 764

Eliot Marshall

Whose Notes are They?, p. 765

Barbara J. Culliton

British Biologists Learn Small is not Beautiful, pp. 766-767

David Dickson

Space Council Backs Landsat, p. 767

M. Mitchell Waldrop

Fire Devastates Jackson Lab, pp. 767-768

Barbara J. Culliton

Lewin Wins Awards, p. 768

Bone Marrow Transplants Approved, p. 768

Jean L. Marx

Research News

Do Mathematicians Still Do Math?, pp. 769-770

Barry A. Cipra

SLAC Feels the Thrill of the Chase, pp. 771-773

M. Mitchell Waldrop

Can You Help the Mets by Watching on TV?, pp. 773-774

Robert Pool

Cold Fusion: Bait and Switch?, p. 774

Robert Pool

Air Pollution and Forest Decline in a Spruce (Picea abies) Forest, pp. 776-783

E.-D. Schulze

RNA-Protein Interactions in 30S Ribosomal Subunits: Folding and Function of 16S rRNA, pp. 783-790

Seth Stern; Ted Powers; Li-Ming Changchien; Harry F. Noller

G _olf : An Olfactory Neuron Specific-G Protein Involved in Odorant Signal Transduction, pp. 790-795

David T. Jones; Randall R. Reed

Reports

Identification of a Neuropeptide Hormone that Regulates Sex Pheromone Production in Female Moths, pp. 796-798

A. K. Raina; H. Jaffe; T. G. Kempe; P. Keim; R. W. Blacher; H. M. Fales; C. T. Riley; J. A. Klun; R. L. Ridgway; D. K. Hayes

The Role of Excitatory Amino Acids and NMDA Receptors in Traumatic Brain Injury, pp. 798-800

Alan I. Faden; Paul Demediuk; S. Scott Panter; Robert Vink

Regulation of Calcium Release is Gated by Calcium Current, not Gating Charge, in Cardiac Myocytes, pp. 800-803

Michael Näbauer; Geert Callewaert; Lars Cleemann; Martin Morad

Induction of Mesoderm by a Viral Oncogene in Early Xenopus Embryos, pp. 803-806

Malcolm Whitman; D. A. Melton

Global Sea Level Rise and the Greenhouse Effect: Might They be Connected?, pp. 806-810

W. R. Peltier; A. M. Tushingham

Vβ-Specific Stimulation of Human T Cells by Staphylococcal Toxins, pp. 811-813

John Kappler; Brian Kotzin; Lynne Herron; Erwin W. Gelfand; Robert D. Bigler; Arthur Boylston; Stefan Carrel; David N. Posnett; Yongwon Choi; Philippa Marrack

Transmembrane Channels Based on Tartaric Acid--Gramicidin A Hybrids, pp. 813-817

Charles J. Stankovic; Stefan H. Heinemann; Jose M. Delfino; Frederick J. Sigworth; Stuart L. Schreiber

Class II MHC Molecules are Specific Receptors for Staphylococcus Enterotoxin A, pp. 817-820

Joseph A. Mollick; Richard G. Cook; Robert R. Rich

Control of Experimental Autoimmune Encephalomyelitis by T Cells Responding to Activated T Cells, pp. 820-822

Ansgar W. Lohse; Felix Mor; Nathan Karin; Irun R. Cohen

Technical Comments

The Myeloperoxidase Gene in Acute Promyelocytic Leukemia, pp. 823-825

Carl W. Miller; Giovanni Rovera; Donatella Venturelli; Kay F. Huebner; Peter Van Tuinen; David H. Ledbetter; Geoffrey Kitchingman; Joseph Mirro; H. Phillip Koeffler; Emilio Donti; Manuela Montanucci; Letizia Longo; Amedea Mencarelli; Pierpaolo Pandolfi; Antonio Tabilio; Mauro Nanni; Giuliana Alimena; Giancarlo Avanzi; Luigi Pegoraro; Fausto Grignani; Pier Guiseppe Pelicci

The Myeloperoxidase Gene in Acute Promyelocytic Leukemia: Response, pp. 825-826

Susan C. Weil; Martha S. Reid; Laura A. Nilles; Rex L. Chisholm; Gayle L. Rosner; Maurice S. Swanson; John J. Carrino; Manuel O. Diaz; Michelle M. Le Beau

Relation of the Amyloid β Protein Precursor to Heparan Sulfate Proteoglycans, pp. 826-827

D. Channe Gowda; Renée K. Margolis; Blas Frangione; Jorge Ghiso; Milton Larrondo-Lillo; Richard U. Margolis

Relation of the Amyloid β Protien Precursor to Heparan Sulfate Proteoglycans: Response, pp. 827-828

David Schubert

Book Reviews

The Taming of Invention

----------------, pp. 830-831

American Genesis

Thomas P. Hughes

Review author[s]: George Wise

Modes and Agendas of Patronage, pp. 832-833

The Politics of Philanthropy

Steven C. Wheatley

The Circuit Riders

Gerald Jonas

Review author[s]: Philip J. Pauly

A Force Advancing Nationhood, pp. 833-834

Inventing Canada

Suzanne Zeller

Review author[s]: Bruce Sinclair

An Environmentalist Lineage, pp. 834-835

The Rights of Nature

Roderick Frazier Nash

Review author[s]: William L. O'Neill

Ethical Dissent in a New Mode

----------------, pp. 835-836

The Whistleblowers

Myron Peretz Glazer; Penina Migdal Glazer

Review author[s]: Janice M. Beyer

Getting by in a Bureaucracy, pp. 836-837

Moral Mazes

Robert Jackall

Review author[s]: Calvin Morrill

Trends in the Job Arena

----------------, pp. 837-838

Employment Futures

Paul Osterman

Review author[s]: George Farkas

Pay Equity: An Effort at Implementation, pp. 838-839

Wage Justice

Sara M. Evans; Barbara J. Nelson

Review author[s]: Myra H. Strober

Tools of Persuasion, pp. 839-840

The Consequences of Economic Rhetoric

Arjo Klamer; Donald N. McCloskey; Robert M. Solow

Review author[s]: George J. Stigler

An Industrial Research Program

----------------, pp. 840-841

Science and Corporate Strategy

David A. Hounshell; John Kenly Smith

Review author[s]: John P. Swann

Ventures in Metallurgy, pp. 841-842

From Monopoly to Competition

George David Smith

Review author[s]: Valerie Y. Suslow

Science Brought to Mothering

----------------, pp. 843-844

Mothers and Medicine

Rima D. Apple

Review author[s]: Naomi Rogers

The Nestlé Affair, pp. 844-845

Infant Feeding

John Dobbing

Review author[s]: Gene Cranston Anderson

Adoption Studies Continued

----------------, pp. 845-846

Nature and Nurture during Infancy and Early Childhood

Robert Plomin; John C. DeFries; David W. Fulker

Review author[s]: Richard J. Rose

Igor Kurchatov

----------------, pp. 847-848

Vospominaniia ob Igore Vasil'eviche Kurchatove

A. P. Aleksandrov

Review author[s]: David Holloway

Struggles and Accomplishments in India, pp. 848-849

Journey into Light

G. Venkataraman

Review author[s]: K. G. Ramanathan

The Solar System: Records from t $\geq $ 0

----------------, pp. 849-850

Meteorites and the Early Solar System

John F. Kerridge; Mildred Shapley Matthews

Review author[s]: Devendra Lal

A nearby Star, pp. 850-851

Astrophysics of the Sun

Harold Zirin

Review author[s]: Mukul B. Kundu

The Solar System: Records from t $\geq$ 0

High-Tech Astronomy, p. 851

Observational Astrophysics

Pierre Léna

Review author[s]: Claude R. Canizares

A Life in Biochemistry

----------------, pp. 852-853

For the Love of Enzymes

Arthur Kornberg

Review author[s]: Eugene Kennedy

Organelles Observed, pp. 853-854

Lysosomes

Eric Holtzman

Review author[s]: Ira Mellman

Conservation Needs Close to Home

----------------, pp. 854-855

Conservation Biology in Hawai'i

Charles P. Stone; Danielle B. Stone

Islands in a Far Sea

John L. Culliney

Hawaii

Gavin Daws

Review author[s]: Laura F. Huenneke

A Cladisticization

----------------, pp. 855-856

Phylogenetic Relationships of the Lizard Families

Richard Estes; Gregory Pregill

Review author[s]: E. N. Arnold

Fossils Demystified, pp. 856-857

The Conodonta

Walter C. Sweet

Review author[s]: David L. Clark

A Broader Biophysics, p. 857

Life's Devices

Steven Vogel

Review author[s]: William A. Calder

Misdeeds in Anthropology

----------------, pp. 858-859

Bones, Bodies, Behavior

George W. Stocking

Review author[s]: Matt Cartmill

A Missing Link, p. 859

Eugéne Dubois and the Ape-Man from Java

Bert Theunissen

Review author[s]: Paul A. Erickson

Ape Affinities, pp. 859-860

Orang-utan Biology

Jeffrey H. Schwartz

Review author[s]: Randall L. Susman

Cercopithecus and Company, pp. 860-861

A Primate Radiation

Annie Gautier-Hion; François Bourlière; Jean-Pierre Gautier; Jonathan Kingdon

Review author[s]: Colin P. Groves

The Archeology of Capitalism

----------------, pp. 861-863

The Recovery of Meaning

Mark P. Leone; Parker B. Potter

Review author[s]: Ezra Zubrow

Dwellings and Power, pp. 863-864

Household and Community in the Mesoamerican Past

Richard R. Wilk; Wendy Ashmore

Review author[s]: David Freidel

A Pair of Mayanists, pp. 864-865

A Dream of Maya

Lawrence Gustave Desmond; Phyllis Mauch Messenger

Review author[s]: George E. Stuart

Northern Connections, pp. 865-867

Crossroads of Continents

William W. Fitzhugh; Aron Crowell

Review author[s]: Shepard Krech

Back Matter (26 pp.)

Previous Issue: New Series, Vol. 244, No. 4905, May 12, 1989
Next Issue: New Series, Vol. 244, No. 4907, May 26, 1989

Science, New Series, Vol. 244, No. 4907, May 26, 1989

Previous Issue: New Series, Vol. 244, No. 4906, May 19, 1989
Next Issue: New Series, Vol. 244, No. 4908, Jun. 2, 1989

Front Matter (30 pp.)
Earth Observations from Space, p. 901

Philip H. Abelson

Letters

Animal Rights Literature, p. 903

Charles S. Nicoll; Sharon M. Russell

Office of Scientific Integrity, pp. 903-904

James O. Mason

Faculty Salaries, p. 904

William E. Cooper

Carbon-Sequestering Science: An Alternative to ``Pesky Electronics''?, p. 904

David Cameron Duffy

Fusion Reaction, p. 904

Kandula S. R. Sastry

Erratum: The Greenhouse Effect: Science and Policy, p. 904
Erratum: Does Chaos Permeate the Solar System?, p. 904

News & Comment

Computers Make Slow Progress in Class, pp. 906-909

Constance Holden

Peer Review Comes under Peer Review, pp. 910-912

Marjorie Sun

Space Telescope Delayed (Again), p. 912

M. Mitchell Waldrop

Gene Test Begins, p. 913

Barbara J. Culliton

Research News

Superconductivity: Is the Party over?, pp. 914-916

Robert Pool

The Trials of Conducting AIDS Drugs Trials, pp. 916-918

Jean L. Marx

ARCO Solar Sale Raises Concerns over Potential Technology Export, p. 918

Mark Crawford

Random Samples, p. 919

Gregory Byrne

Delay of Gratification in Children, pp. 933-938

Walter Mischel; Yuichi Shoda; Monica L. Rodriguez

Molecular Recognition and Metal Ion Template Synthesis, pp. 938-943

Thomas J. McMurry; Kenneth N. Raymond; Paul H. Smith

Developmental Biology of T Cell Receptors, pp. 943-950

Jack L. Strominger

Three-Dimensional Spherical Models of Convection in the Earth's Mantle, pp. 950-955

Dave Bercovici; Gerald Schubert; Gary A. Glatzmaier

Reports

Binocular Depth Reversals despite Familiarity Cues, pp. 959-961

Aad Van Den Enden; Henk Spekreijse

Crystal Versus Solution Structures of Enzymes NMR Spectroscopy of a Crystalline Serine Protease, pp. 961-964

Steven O. Smith; Shauna Farr-Jones; Robert G. Griffin; William W. Bachovchin

Ice Core Evidence for Extensive Melting of the Greenland Ice Sheet in the Last Interglacial, pp. 964-968

R. M. Koerner

Membranes as the Energy Source in the Endergonic Transformation of Vitamin A to 11-cis-Retinol, pp. 968-971

Peter S. Deigner; Wing C. Law; Francisco J. Cañada; Robert R. Rando

A G Protein Gamma Subunit Shares Homology with ras Proteins, pp. 971-974

Narasimhan Gautam; Manfred Baetscher; Ruedi Aebersold; Melvin I. Simon

Oxygen Radicals in Influenza-Induced Pathogenesis and Treatment with Pyran Polymer-Conjugated SOD, pp. 974-976

Tatsuya Oda; Takaaki Akaike; Takayoshi Hamamoto; Fujio Suzuki; Takashi Hirano; Hiroshi Maeda

Categorical Perception of a Natural Stimulus Continuum: Birdsong, pp. 976-978

Douglas A. Nelson; Peter Marler

Identification of the Molecular Defect in a Family with Spondyloepiphyseal Dysplasia, pp. 978-980

Brendan Lee; Henrik Vissing; Francesco Ramirez; David Rogers; David Rimoin

A Pertussis Toxin-Sensitive G Protein in Hippocampal Long-Term Potentiation, pp. 980-983

Joanne W. Goh; Peter S. Pennefather

Autonomic Regulation of a Chloride Current in Heart, pp. 983-985

Robert D. Harvey; Joseph R. Hume

Prevention of Translational Frameshifting by the Modified Nucleoside 1-Methylguanosine, pp. 986-989

Glenn R. Björk; P. Mikael Wikström; Anders S. Byström

Book Reviews

Accommodations of the Nervous System, p. 993

Body and Brain

Dale Purves

Review author[s]: R. Glenn Northcutt

Interleukin 2 after a Decade, p. 994

Interleukin 2

Kendall A. Smith

Review author[s]: Abul K. Abbas

Double Stars, pp. 994-995

Critical Observations versus Physical Models for Close Binary Systems

Kam-Ching Leung

Review author[s]: Richard A. Wade

Earth's Dimensions, p. 995

Geophysical Geodesy

Kurt Lambeck

Review author[s]: Donald L. Turcotte

Back Matter (22 pp.)

Previous Issue: New Series, Vol. 244, No. 4906, May 19, 1989
Next Issue: New Series, Vol. 244, No. 4908, Jun. 2, 1989

Science, New Series, Vol. 244, No. 4908, Jun. 2, 1989

Previous Issue: New Series, Vol. 244, No. 4907, May 26, 1989
Next Issue: New Series, Vol. 244, No. 4909, Jun. 9, 1989

Front Matter (15 pp.)
Teaching Statistics to Engineers, p. 1025

Arno Penzias

Letters

Ice Age Art Analysis, p. 1029

Alexander Marshack

Agricultural Research Initiative, p. 1029

Paul K. Stumpf

Retraction, pp. 1029-1030

S. C. Moss

Space Facility, p. 1030

Robert H. Korkegi

Space Facility: Response, p. 1030

Eliot Marshall

Erratum: New Equipment Roundup Dazzles Scientist, p. 1030
Erratum: Hydrogen Tunneling in Enzyme Reactions, p. 1030
Erratum: Purification and Characterization of Mouse Hematopoietic Stem Cells, p. 1030
Erratum: Oh, I Thought You Were A Man, p. 1030

News & Comment

DNA Typing on the Witness Stand, pp. 1033-1035

Roger Lewin

Academy Panel Joins the Fray over Job Testing, pp. 1036-1037

Constance Holden

Consorting on Superconductors, p. 1037

Colin Norman

Superpay for NIH Superstars, p. 1038

Barbara J. Culliton

Fraud and the ``Glare of the TV Camera'', p. 1038

Gregory Byrne

Hughes Makes Awards to University Science, p. 1038

Barbara J. Culliton

Research News

Cold Fusion: End of Act I, pp. 1039-1040

Robert Pool

Hansen vs. the World on the Greenhouse Threat, pp. 1041-1043

Richard A. Kerr

NASA Flight Controllers Become AI Pioneers, pp. 1044-1045

M. Mitchell Waldrop

Experimental Research on Jury Decision-Making, pp. 1046-1050

Robert J. MacCoun

The Heliosphere as an Astrophysical Laboratory for Particle Acceleration, pp. 1050-1057

T. Terasawa; M. Scholer

Ectopic Expression of the Serotonin 1c Receptor and the Triggering of Malignant Transformation, pp. 1057-1062

David Julius; Thomas J. Livelli; Thomas M. Jessell; Richard Axel

Reports

Images of the DNA Double Helix in Water, pp. 1063-1064

S. M. Lindsay; T. Thundat; L. Nagahara; U. Knipping; R. L. Rill

Mammal-Like Dentition in a Mesozoic Crocodylian, pp. 1064-1066

James M. Clark; Louis L. Jacobs; William R. Downs

Transfer of a Protein Encoded by a Single Nucleus to nearby Nuclei in Multinucleated Myotubes, pp. 1066-1069

Evelyn Ralston; Zach W. Hall

Hidden Thermodynamics of Mutant Proteins: A Molecular Dynamics Analysis, pp. 1069-1072

Jiali Gao; Krzysztof Kuczera; Bruce Tidor; Martin Karplus

Brefeldin A Specifically Inhibits Presentation of Protein Antigens to Cytotoxic T Lymphocytes, pp. 1072-1075

Jonathan W. Yewdell; Jack R. Bennink

Involvement of a Leukocyte Adhesion Receptor (LFA-1) in HIV-Induced Syncytium Formation, pp. 1075-1078

James E. K. Hildreth; Rimas J. Orentas

Sporozoite Vaccine Induces Genetically Restricted T Cell Elimination of Malaria from Hepatocytes, pp. 1078-1081

Stephen L. Hoffman; Daniel Isenbarger; Gary W. Long; Martha Sedegah; Ana Szarfman; Leslie Waters; Michael R. Hollingdale; Peter H. Van Der Meide; David S. Finbloom; W. Ripley Ballou

High-Resolution Epitope Mapping of hGH-Receptor Interactions by Alanine-Scanning Mutagenesis, pp. 1081-1085

Brian C. Cunningham; James A. Wells

Physical Mapping of a Translocation Breakpoint in Neurofibromatosis, pp. 1085-1087

Jane W. Fountain; Margaret R. Wallace; Melissa A. Bruce; Bernd R. Seizinger; Anil G. Menon; James F. Gusella; Virginia V. Michels; Michael A. Schmidt; Gordon W. Dewald; Francis S. Collins

Two NF1 Translocations Map within a 600-Kilobase Segment of 17q11.2, pp. 1087-1088

Peter O'Connell; Robin Leach; Richard M. Cawthon; Melanie Culver; Jeffrey Stevens; David Viskochil; R. E. Keith Fournier; Donna C. Rich; David H. Ledbetter; Ray White

Double-Stranded Ribonuclease Coinduced with Interferon, pp. 1089-1091

James M. Meegan; Philip I. Marcus

Inside AAAS

AAAS Annual Elections: Preliminary Announcement, pp. 1092-1093

Book Reviews

The Problem of Irrationality, pp. 1094-1095

Patterns, Thinking, and Cognition

Howard Margolis

Review author[s]: Lorraine Daston; Gerd Gigerenzer

Microbial Ecology, p. 1095

Microbial Mats

Yehuda Cohen; Eugene Rosenberg

Review author[s]: Kenneth H. Nealson

Topics in Astrophysics, pp. 1095-1096

Astrophysics of Gaseous Nebulae and Active Galactic Nuclei

Donald E. Osterbrock

Review author[s]: E. S. Phinney

Marsupials Right Side up, pp. 1096-1097

Possums and Opossums

Michael Archer

Review author[s]: Malcolm C. McKenna

Back Matter (20 pp.)

Previous Issue: New Series, Vol. 244, No. 4907, May 26, 1989
Next Issue: New Series, Vol. 244, No. 4909, Jun. 9, 1989