Science, New Series, Vol. 267, No. 5194, Jan. 6, 1995

Previous Issue: New Series, Vol. 266, No. 5193, Dec. 23, 1994
Next Issue: New Series, Vol. 267, No. 5195, Jan. 13, 1995

Volume Information (11 pp.)
Front Matter (20 pp.)
Editorial: New Year's Resolutions, 1995, p. 11

Daniel E. Koshland Jr.

Letters

Article Copying, p. 13

Thomas V. Higgins; Christian Peter Klingenberg

Indirect Costs, pp. 13-14

Milton Goldberg

DOE Lab Competition?, pp. 14-15

Arthur Bienenstock

Sunlight and Melanoma: An Answer from MTS1 (p16), pp. 15-16

R. Maestro; M. Boiocchi; Alexander Kamb

Replicative Senescence and Cell Death, p. 17

Maarten H. K. Linskens; Calvin B. Harley; Michael D. West; Judith Campisi; Leonard Hayflick

Software Availability, p. 17

Nathan Goodman; Eric S. Lander; Rachel Oberai-Soltz

Corrections and Clarifications: The Clementine Mission to the Moon, p. 17
Corrections and Clarifications: Suppression of Hyphal Formation in Candida albicans by Mutation of a STE12 Homology, p. 17
ScienceScope, p. 19

Richard Stone

News

Asking Science to Measure Up, pp. 20-22

Jeffrey Mervis

New Rule Could Squelch Shipments, p. 22

Richard Stone

Chiron Challenged on Hepatitis-C Patent, p. 23

Victoria Slind-Flor

Rules Would Drop Need for Clinical Data, pp. 23-24

Richard Stone

Broder to Join Exodus From NCI, p. 24

Eliot Marshall

Use of Placebo Controls in Clinical Trails Disputed, pp. 25-26

Gary Taubes

CERN's LHC Gets the Go-Ahead, p. 26

Daniel Clery

Ice, Quakes, and a Wobble Shake San Francisco, pp. 27-28

Richard A. Kerr

Random Samples, p. 29

Andrew Lawler

Special News Report

Evolution Made Visible, pp. 30-33

Jonathan Weiner

Timing Evolution's Early Bursts, pp. 33-34

Richard A. Kerr

The Mystery of Humanity's Missing Mutations, pp. 35-36

Ann Gibbons

Perspectives

The Uses of Evolutionary Biology, pp. 41-42

Douglas J. Futuyma

Fast Glacier Flow Over Soft Beds, pp. 43-44

Peter U. Clark

Solar Neutrinos-From Puzzle to Paradox, pp. 45-51

R. S. Raghavan

High-Luminosity Blue and Blue-Green Gallium Nitride Light-Emitting Diodes, pp. 51-55

H. Morkoç; S. N. Mohammad

Reports

Atomic Resolution of the Silicon (111)-(7×7) Surface by Atomic Force Microscopy, pp. 68-71

Franz J. Giessibl

Atomic-Scale Images of the Growth Surface of Ca _1-x Sr_xCuO₂ Thin Films, pp. 71-73

Kazumasa Koguchi; Takuya Matsumoto; Tomoji Kawai

Single Cells as Biosensors for Chemical Separations, pp. 74-77

Jason B. Shear; Harvey A. Fishman; Nancy L. Allbritton; Delia Garigan; Richard N. Zare; Richard H. Scheller

Permain-Triassic Life Crisis on Land, pp. 77-80

G. J. Retallack

Flow Mechanism of Glaciers on Soft Beds, pp. 80-81

Neal R. Iverson; Brian Hanson; Roger LeB. Hooke; Peter Jansson

Ozone Destruction by Chlorine: The Impracticality of Mitigation Through Ion Chemistry, pp. 82-84

A. A. Viggiano; R. A. Morris; K. Gollinger; F. Arnold

Use of a Sound-Based Vibratome by Leaf-Cutting Ants, pp. 84-87

Jürgen Tautz; Flavio Roces; Bert Hölldobler

Experimental Tests of the Roles of Adaptation, Chance, and History in Evolution, pp. 87-90

Michael Travisano; Judith A. Mongold; Albert F. Bennett; Richard E. Lenski

A Proficient Enzyme, pp. 90-93

Anna Radzicka; Richard Wolfenden

Structure-Based Design of Transcription Factors, pp. 93-96

Joel L. Pomerantz; Philip A. Sharp; Carl O. Pabo

Footprint Analysis of Replicating Murine Leukemia Virus Reverse Transcriptase, pp. 96-99

Birgitta M. Wöhrl; Millie M. Georgiadis; Alice Telesnitsky; Wayne A. Hendrickson; Stuart F. J. Le Grice

p53 Transcriptional Activation Mediated by Coactivators TAF _ll 40 and TAF _ll 60, pp. 100-104

Catherine J. Thut; Jin-Long Chen; Richard Klemm; Robert Tjian

Functional Isolation and Characterization of Human Hematopoietic Stem Cells, pp. 104-108

Anna C. Berardi; Anlai Wang; James D. Levine; Peter Lopez; David T. Scadden

Association of Protein Kinase A and Protein Phosphatase 2B with a Common Anchoring Protein, pp. 108-111

Vincent M. Coghlan; Brian A. Perrino; Monique Howard; Lorene K. Langeberg; James B. Hicks; W. Michael Gallatin; John D. Scott

Book Reviews

Evolutionary Revelations, pp. 115-116

Molecular Markers, Natural History and Evolution.

John C. Avise

Review author[s]: Allan Larson

Solid Flows, pp. 116-117

Granular Matter. An Interdisciplinary Approach.

Anita Mehta

Disorder and Granular Media.

D. Bideau; A. Hansen

Review author[s]: Isaac Goldhirsch

Molecular Conformations, pp. 117-118

Sterochemistry of Organic Compounds

Ernest L. Eliel; Samuel H. Wilen

Review author[s]: Clayton H. Heathcock

Books Received, pp. 118-119

Back Matter (25 pp.)

Previous Issue: New Series, Vol. 266, No. 5193, Dec. 23, 1994
Next Issue: New Series, Vol. 267, No. 5195, Jan. 13, 1995

Science, New Series, Vol. 267, No. 5195, Jan. 13, 1995

Previous Issue: New Series, Vol. 267, No. 5194, Jan. 6, 1995
Next Issue: New Series, Vol. 267, No. 5196, Jan. 20, 1995

Front Matter (29 pp.)
Editorial: Chairman of the House Science Committee, p. 155

Philip H. Abelson

Letters

"The Duesberg Phenomenon": What Does It Mean?, pp. 157-160

Charla Andrews; Koen Van Rompay; Marta L. Marthas; Richard C. Strohman; Harry Rubin; J. A. Sonnabend; Robert S. Root-Bernstein

Corrections and Clarifications: Activation and regeneration of rhodopsin in the insect visual cycle, p. 160
ScienceScope, p. 163

Richard Stone

News and Comment

Future Grows Dim for Fusion, pp. 164-165

Andrew Lawler

Agency Chiefs Seek Help with Budgets, p. 165

Andrew Lawler

NSF Moves Into Fastlane to Manage Flow of Grants, pp. 166-167

Jeffrey Mervis

Bendectin Case Dismissed, p. 167

Marcia Barinaga

Critical ILL Back from the Dead, p. 167

Daniel Clery

China to Triple Internet Links with Commercial Hookups, p. 168

Ted Plafker

Biosphere 2 Gets New Lease on Life from Research Plan, p. 169

Gary Taubes

Random Samples, pp. 170-171

Constance Holden

Research News

Getting the Bugs Worked Out, pp. 172-174

Rachel Nowak

How Number Theory Got the Best of the Pentium Chip, p. 175

Barry Cipra

Bigger Jolts are on the Way for Southern California, pp. 176-177

Richard A. Kerr

A New Face for the Glutamate Receptor, pp. 177-178

Marcia Barinaga

High Turnover of HIV in Blood Revealed by New Studies, p. 179

Jon Cohen

Perspective

Oscillating Catalysts: A New Twist for Plastics, p. 191

K. B. Wagener

Big-Bang Nucleosynthesis and the Baryon Density of the Universe, pp. 192-199

Craig J. Copi; David N. Schramm; Michael S. Turner

Prospects for Larger or More Frequent Earthquakes in the Los Angeles Metropolitan Region, pp. 199-205

James F. Dolan; Kerry Sieh; Thomas K. Rockwell; Robert S. Yeats; John Shaw; John Suppe; Gary J. Huftile; Eldon M. Gath

Reports

Response of High-Rise and Base-Isolated Buildings to a Hypothetical M_w 7.0 Blind Thrust Earthquake, pp. 206-211

Thomas H. Heaton; John F. Hall; David J. Wald; Marvin W. Halling

Earthquakes in the Los Angeles Metropolitan Region: A Possible Fractal Distribution of Rupture Size, pp. 211-213

S. E. Hough

Rapid Accretion and Early Differentiation of Mars Indicated by ¹⁴² Nd/ ¹⁴⁴ Nd in SNC Meteorites, pp. 213-217

Charles L. Harper Jr.; Laurence E. Nyquist; Brij Bansal; Henry Wiesmann; Chi-Yu Shih

Oscillating Sterocontrol: A Strategy for the Synthesis of Thermoplastic Elastomeric Polypropylene, pp. 217-219

Geoffrey W. Coates; Robert M. Waymouth

Segregation in DNA Solutions Induced by Electric Fields, pp. 219-222

L. Mitnik; C. Heller; J. Prost; J. L. Viovy

High-Rate, Gas-Phase Growth of MoS₂ Nested Inorganic Fullerenes and Nanotubes, pp. 222-225

Y. Feldman; E. Wasserman; D. J. Srolovitz; R. Tenne

Mutation Rates and Dominance Levels of Genes Affecting Total Fitness in Two Angiosperm Species, pp. 226-229

Mark O. Johnston; Daniel J. Schoen

Inhibition of Host Gene Expression Associated with Plant Virus Replication, pp. 229-231

Daowen Wang; Andrew J. Maule

A Salt-Sensitive 3′(2′)5′-Bisphosphate Nucleotidase Involved in Sulfate Activation, pp. 232-234

Jose Ramón Murguía; Jose María Bellés; Ramón Serrano

Identification of Bases in 16S rRNA Essential for tRNA Binding at the 30S Ribosomal P Site, pp. 234-237

Uwe von Ahsen; Harry F. Noller

Cleavage of an Amide Bond by a Ribozyme, pp. 237-240

Xiaochang Dai; Alain de Mesmaeker; Gerald F. Joyce

Metabolic Engineering of a Pentose Metabolism Pathway in Ethanologenic Zymomonas mobilis, pp. 240-243

Min Zhang; Christina Eddy; Kristine Deanda; Mark Finkelstein; Stephen Picataggio

A Phagosome-to-Cytosol Pathway for Exogenous Antigens Presented on MHC Class I Molecules, pp. 243-246

M. Kovacsovics-Bankowski; K. L. Rock

Requirement of FGF-4 for Postimplantation Mouse Development, pp. 246-249

Benjamin Feldman; William Poueymirou; Virginia E. Papaioannou; Thomas M. DeChiara; Mitchell Goldfarb

Inhibition of Ras-Induced Proliferation and Cellular Transformation by p16 ^INK4, pp. 249-252

Manuel Serrano; Enrique Gómez-Lahoz; Ronald A. DePinho; David Beach; Dafna Bar-Sagi

Technical Comments

Assessing Molecular Phylogenies, pp. 253-256

A. W. F. Edwards; M. Nei; N. Takezaki; T. Sitnikova; David M. Hillis; John P. Huelsenbeck

The GISP Ice Core Record of Volcanism Since 7000 B.C., pp. 256-258

Stuart J. Fiedel; John R. Southon; Thomas A. Brown; G. A. Zielinski; P. A. Mayewski; L. D. Meeker; S. Whitlow; M. S. Twickler; M. Morrison; D. A. Meese; A. J. Gow; R. B. Alley

Delayed Helix Formation of Mutant Collagen, p. 258

Beat Steinmann; Michael Raghunath

Book Reviews

Hoyle's World, pp. 264-265

Home is Where the Wind Blows.

Fred Hoyle

Review author[s]: John Faulkner

Machinery of Learning, pp. 265-266

Long-Term Potentiation.

Michel Baudry; Joel L. Davis

Review author[s]: Raymond Dingledine

Cardiac Problems, pp. 266-267

Ion Channels in the Cardiovascular System. Function and Dysfunction.

Peter M. Spooner; Arthur M. Brown; William A. Catterall; Gregory J. Kaczorowski; Harold C. Strauss

Review author[s]: Steve Sorota

Books Received, p. 267

Back Matter (33 pp.)

Previous Issue: New Series, Vol. 267, No. 5194, Jan. 6, 1995
Next Issue: New Series, Vol. 267, No. 5196, Jan. 20, 1995

Science, New Series, Vol. 267, No. 5196, Jan. 20, 1995

Previous Issue: New Series, Vol. 267, No. 5195, Jan. 13, 1995
Next Issue: New Series, Vol. 267, No. 5197, Jan. 27, 1995

Front Matter (16 pp.)
Editorial: The Importance of Intelligence, p. 311

Daniel E. Koshland Jr.

Letters

"The Duesberg Phenomenon": Duesberg and Other Voices, pp. 313-316

Peter H. Duesberg; Martin Delaney; Fred A. Cline Jr.; Nicholas Birkett; Stanley A. Plotkin; Jon Cohen

Chromosome Behavior in Mutants Defective in DNA Methylation: Correction, p. 316

Henriette M. Foss; Christopher J. Roberts; Karen M. Claeys; Eric U. Selker

Sequence Correction, pp. 316-317

S. W. Morris; M. N. Kirstein; M. B. Valentine; K. Dittmer; D. N. Shapiro; A. T. Look; D. L. Saltman

Corrections and Clarifications: Molecular Basis of Mammalian Sexual Determination: Activation of Müllerian Inhibition Substance Gene Expression, p. 317
ScienceScope, p. 319

Andrew Lawler

News and Comment

Malaria Vaccine Raises a Dilemma, pp. 320-323

John Maurice

Joint Mission Gets Off to Slow Start, p. 323

Andrew Lawler

Panel Recommends "A Little Bit of Bitter Medicine", p. 324

John Travis

Scientists' Champion Leaves Europe's Top Research Job, p. 325

Alexander Hellemans

Italian Committee Loses Its Balance, p. 326

Susan Biggin

Germany Loosens Some Red Tape, p. 326

Robert L. Koenig

Research News

Small Spheres Lead to Big Ideas, pp. 327-329

Robert F. Service

Biggest Deep Quakes May Need Help, pp. 329-330

Richard A. Kerr

St. Louis Meeting Showcases "Creature Features", pp. 330-331

Elizabeth Culotta

Mathematical Logic Flushes Out the Bugs in Chip Designs, pp. 332-333

James Glanz

Random Samples, pp. 334-335

Constance Holden

Perspectives

Erupting Neighbors-At Last, pp. 340-341

Stanley N. Williams

E-Cadherin: A Distant Member of the Immunoglobulin Superfamily, p. 342

Gerhard Wagner

Photoemission Studies of High-T_c Superconductors: The Superconducting Gap, pp. 343-350

Z.-X. Shen; W. E. Spicer; D. M. King; D. S. Dessau; B. O. Wells

Reports

Metastable Phases in Polar Stratospheric Aerosols, pp. 351-355

Lewis E. Fox; Douglas R. Worsnop; Mark S. Zahniser; Steven C. Wofsy

Mechanisms of Argon Retention in Clays Revealed by Laser ⁴⁰ Ar- ³⁹ Ar Dating, pp. 355-359

Hailiang Dong; Chris M. Hall; Donald R. Peacor; Alex N. Halliday

Proximity of Jupiter-Like Planets to Low-Mass Stars, pp. 360-362

Alan P. Boss

Synthesis of Linear Acetylenic Carbon: The "sp" Carbon Allotrope, pp. 362-367

Richard J. Lagow; Joel J. Kampa; Han-Chao Wei; Scott L. Battle; John W. Genge; David A. Laude; Carla J. Harper; Robert Bau; Raymond C. Stevens; James F. Haw; Eric Munson

Visualization of Surfactants on Nanostructured Palladium Clusters by a Combination of STM and High-Resolution TEM, pp. 367-369

Manfred T. Reetz; Wolfgang Helbig; Stefan A. Quaiser; Ulrich Stimming; Norbert Breuer; Roland Vogel

The Structure of Confined Oxygen in Silica Xerogels, pp. 369-371

B. S. Schirato; M. P. Fang; P. E. Sokol; S. Komarneni

Host Range of a Plant Pathogenic Fungus Determined by a Saponin Detoxifying Enzyme, pp. 371-374

P. Bowyer; B. R. Clarke; P. Lunness; M. J. Daniels; A. E. Osbourn

Mechanisms of Rhodopsin Inactivation in Vivo as Revealed by a COOH-Terminal Truncation Mutant, pp. 374-377

Jeannie Chen; Clint L. Makino; Neal S. Peachey; Denis A. Baylor; Melvin I. Simon

Measurement of Lactose Repressor-Mediated Loop Formation and Breakdown in Single DNA Molecules, pp. 378-380

Laura Finzi; Jeff Gelles

Activation of RET as a Dominant Transforming Gene by Germline Mutations of MEN2A and MEN2B, pp. 381-383

Massimo Santoro; Francesca Carlomagno; Alfredo Romano; Donald P. Bottaro; Nina A. Dathan; Michele Grieco; Alfredo Fusco; Giancarlo Vecchio; Brona Maťoškovt̄; Matthias H. Kraus; Pier Paolo Di Fiore

A Hot Spot of Binding Energy in a Hormone-Receptor Interface, pp. 383-386

Tim Clackson; James A. Wells

Solution Structure of the Epithelial Cadherin Domain Responsible for Selective Cell Adhesion, pp. 386-389

Michael Overduin; Timothy S. Harvey; Stefan Bagby; Kit I. Tong; Patrick Yau; Masatoshi Takeichi; Mitsuhiko Ikura

Transcription Factor ATF2 Regulation by the JNK Signal Transduction Pathway, pp. 389-393

Shashi Gupta; Debra Campbell; Benoit Dérijard; Roger J. Davis

Book Reviews

The DES Case, p. 394

Cancer from Beef. DES, Federal Food Regulation, and Consumer Confidence.

Alan I. Marcus

Review author[s]: William P. Browne

Looking for Planets, pp. 395-396

Planetary Systems. Formation, Evolution, and Detection.

Bernard F. Burke; Jürgen H. Rahe; Elizabeth Roettger

Review author[s]: Stuart J. Weidenschilling

Traits Related to Fitness, p. 396

Ecological Morphology. Integrative Organismal Biology.

Peter C. Wainwright; Stephen M. Reilly

Review author[s]: Joel G. Kingsolver; H. Arthur Woods; George Gilchrist

Books Received, p. 397

Back Matter (27 pp.)

Previous Issue: New Series, Vol. 267, No. 5195, Jan. 13, 1995
Next Issue: New Series, Vol. 267, No. 5197, Jan. 27, 1995

Science, New Series, Vol. 267, No. 5197, Jan. 27, 1995

Previous Issue: New Series, Vol. 267, No. 5196, Jan. 20, 1995
Next Issue: New Series, Vol. 267, No. 5198, Feb. 3, 1995

Front Matter (32 pp.)
Editorial: Science and Technology Policy, p. 435

Philip H. Abelson

Letters

Wagnerian Genetics, p. 437

Hannes Vogel; Chong Chen

Teaching Engineers and Scientists, pp. 437-439

Frederic A. Lyman; Michael J. Glaubman; Stuart J. Spiegel

Protection Against Cholera, p. 440

Paul Fontelo; Sherif E. Gabriel

Mo_nC _4n Cluster Synthesis: Clarification, pp. 440-441

C. Jin; R. E. Haufler; R. L. Hettich; C. M. Barshick; R. N. Compton; A. A. Puretzky; A. V. Dem'yanenko; A. A. Tuinman

Corrections and Clarifications: Oncogenes Reach a Milestone, p. 441
Corrections and Clarifications: A View of the River, p. 441
ScienceScope, p. 443

Richard Stone

News and Comment

Quake Builds Case for Strong Codes, pp. 444-446

Dennis Normile

An Unnerving Preview of a Northern California Quake?, p. 445

Richard A. Kerr

Report to Stress Research Over Close Ties to Industry, pp. 446-447

Andrew Lawler

Joint Japanese-German Mission Misfires, p. 447

Dennis Normile

Clinicians Catch Top NIH Officials' Attention, p. 448

Eliot Marshall

Federal Panel Recommends Universities Play Bigger Role, p. 449

Richard Stone

Virus Wins Stay of Execution, p. 450

John Maurice

The Rise of the Technocrats, p. 450

Susan Biggin

Random Samples, p. 451

Constance Holden

Research News

Shedding Light on Blindness, pp. 452-453

Marcia Barinaga

Darker Clouds Promise Brighter Future for Climate Models, p. 454

Richard A. Kerr

Researchers Broaden the Attack on Parkinson's Disease, pp. 455-456

Marcia Barinaga

Quasars and a Dwarf Star Break the Rules in Tucson, pp. 456-457

John Travis

Dendrimers: Dream Molecules Approach Real Applications, pp. 458-459

Robert F. Service

The T Cell Receptor Begins To Reveal Its Many Facets, pp. 459-460

Jean Marx

Perspectives

An Intelligent Channel (and More), pp. 473-474

Maurice Hofnung

Defects in the Barrier, pp. 474-475

Dennis Roop

Domain Shapes and Patterns: The Phenomenology of Modulated Phases, pp. 476-483

Michael Seul; David Andelman

HIV Population Dynamics in Vivo: Implications for Genetic Variation, Pathogenesis, and Therapy, pp. 483-489

John M. Coffin

Reports

Arcs and Clumps in the Uranian λ Ring, pp. 490-493

Mark R. Showalter

Energy Dependence of Abstractive Versus Dissociative Chemisorption of Fluorine Molecules on the Silicon (111)-(7×7) Surface, pp. 493-496

John A. Jensen; Chun Yan; Andrew C. Kummel

Absorption of Solar Radiation by Clouds: Observations Versus Models, pp. 496-499

R. D. Cess; M. H. Zhang; P. Minnis; L. Corsetti; E. G. Dutton; B. W. Forgan; D. P. Garber; W. L. Gates; J. J. Hack; E. F. Harrison; X. Jing; J. T. Kiehl; C. N. Long; J.-J. Morcrette; G. L. Potter; V. Ramanathan; B. Subasilar; C. H. Whitlock; D. F. Young; Y. Zhou

Warm Pool Heat Budget and Shortwave Cloud Forcing: A Missing Physics?, pp. 499-503

V. Ramanathan; B. Subasilar; G. J. Zhang; W. Conant; R. D. Cess; J. T. Kiehl; H. Grassl; L. Shi

Clustering and Periodic Recurrence of Microearthquakes on the San Andreas Fault at Parkfield, California, pp. 503-507

R. M. Nadeau; W. Foxall; T. V. McEvilly

Mechanisms of Magma Generation Beneath Hawaii and Mid-Ocean Ridges: Uranium/Thorium and Samarium/Neodymium Isotopic Evidence, pp. 508-512

Kenneth W. W. Sims; Donald J. DePaolo; Michael T. Murrell; W. Scott Baldridge; Steven J. Goldstein; David A. Clague

Structural Basis for Sugar Translocation Through Maltoporin Channels at 3.1 Å Resolution, pp. 512-514

Tilman Schirmer; Thomas A. Keller; Yan-Fei Wang; Jurg P. Rosenbusch

ζ Phosphorylation Without ZAP-70 Activation Induced by TCR Antagonists or Partial Agonists, pp. 515-518

Joaquín Madrenas; Ronald L. Wange; Jennifer L. Wang; Noah Isakov; Lawrence E. Samelson; Ronald N. Germain

Cytostatic Gene Therapy for Vascular Proliferative Disorders with a Constitutively Active Form of the Retinoblastoma Gene Product, pp. 518-522

Mark W. Chang; Eliav Barr; Jonathan Seltzer; Yue-Qin Jiang; Gary J. Nabe; Elizabeth G. Nable; Michael S. Parmacek; Jeffrey M. Leiden

Molecular Basis of the cauliflower Phenotype in Arabidopsis, pp. 522-525

Sherry A. Kempin; Beth Savidge; Martin F. Yanofsky

Mutations of Keratinocyte Transglutaminase in Lamellar Ichthyosis, pp. 525-528

Marcel Huber; Irmingard Rettler; Katja Bernasconi; Edgar Frenk; Sjan P. M. Lavrijsen; Maria Ponec; Aita Bon; Stefan Lautenschlager; Daniel F. Schorderet; Daniel Hohl

Sex Differences in Regional Cerebral Glucose Metabolism During a Resting State, pp. 528-531

Ruben C. Gur; Lyn Harper Mozley; P. David Mozley; Susan M. Resnick; Joel S. Karp; Abass Alavi; Steven E. Arnold; Raquel E. Gur

Cloning of an Intrinsic Human TFIID Subunit That Interacts with Multiple Transcriptional Activators, pp. 531-536

Cheng-Ming Chiang; Robert G. Roeder

Technical Comments

Paleotopography of Glacial-Age Ice Sheets, pp. 536-538

R. Lawrence Edwards; W. R. Peltier

T_H2 Downregulation of Macrophage HIV-1 Replication, pp. 538-539

Luis J. Montaner; Siamon Gordon; Sergio Romagnani; Enrico Maggi

Book Reviews

The Unveiling of Pathogenesis, p. 547

Molecular Genetics of Bacterial Pathogenesis. A Tribute to Stanley Falkow.

Virgina L. Miller; James B. Kaper; Daniel A. Portnoy; Ralph R. Isberg

Review author[s]: Hiroshi Nikaido

Inevitable Companions, p. 548

Bugs in the System. Insects and Their Impact on Human Affairs.

May R. Berenbaum

Review author[s]: Howard E. Evans

Avian Advantage, pp. 548-549

Sexual Selection and the Barn Swallow.

Anders Pape Møller

Review author[s]: Marlene Zuk

Books Received, pp. 549-550

Inside AAAS, pp. 552-553

Diana Pabst

Back Matter (35 pp.)

Previous Issue: New Series, Vol. 267, No. 5196, Jan. 20, 1995
Next Issue: New Series, Vol. 267, No. 5198, Feb. 3, 1995

Science, New Series, Vol. 267, No. 5198, Feb. 3, 1995

Previous Issue: New Series, Vol. 267, No. 5197, Jan. 27, 1995
Next Issue: New Series, Vol. 267, No. 5199, Feb. 10, 1995

Front Matter (20 pp.)
Editorial: SOSS: Save Our Social Security, p. 599

Daniel E. Koshland, Jr.

Letters

E. coli Sequencing, p. 601

J. Craig Venter; Robert Haselkorn

NSF FastLane Goals, pp. 601-602

Anne C. Petersen

Shelter After Earthquakes, pp. 602-603

Bill Wattenberg

Risk Assessments of Low-Level Exposures, pp. 603-605

S. Jay Smith; Andrew T. L. Chen; Samuel P. Caudill; Scott F. Wetterhall; Lowell E. Sever; Jay D. Mann

Other Lipopeptides, p. 605

Jon Y. Takemoto; Alessandro Ballio

Corrections and Clarifications: Identification of Calcium Channels that Control Neurosecretion, p. 605
ScienceScope, p. 607

Richard Stone

News

Guarding Against Internet Intruders, pp. 608-610

Ellen Germain

Chechnya War Threatens Science, p. 610

Andrey Allakhverdov

NAS to Lose Contract for A-Bomb Study, p. 611

Michael Balter

Fishermen Threaten Galápagos, pp. 611-612

Richard Stone

Is the World Warming or Not?, p. 612

Richard A. Kerr

Walker Bill to Boost Hydrogen Sparks Democratic Grumbling, p. 613

Andrew Lawler

Painted Puzzles Line the Walls of an Ancient Cave, p. 614

Joshua Fischman

Multidisciplinary Office Spurs Debate, p. 615

Jeffrey Mervis

Getting the Poop on Baboon DNA, pp. 615-616

Virginia Morell

Brain Center Linked to Perfect Pitch, p. 616

Rachel Nowak

For a Successful Supernova, Mix Well, Then Explode, p. 617

John Travis

Random Samples, pp. 618-619

Constance Holden

Special News Report

Protein Images Update Natural History, pp. 620-624

Stephen S. Hall

Policy Forum

Reexamining AIDS Research Priorities, pp. 633-636

William E. Paul

Perspective

Explosive Evolution in Tertiary Birds and Mammals, pp. 637-638

Alan Feduccia

Ocean Tides for and from TOPEX/POSEIDON, pp. 639-642

C. Le Provost; A. F. Bennett; D. E. Cartwright

Research Article

Aminoacyl-RNA Synthesis Catalyzed by an RNA, pp. 643-647

Mali Illangasekare; Giselle Sanchez; Tim Nickles; Michael Yarus

Reports

Metal Ions in the Atmosphere of Neptune, pp. 648-651

James R. Lyons

Stress-Induced Vortex Line Helixing Avalanches in the Plastic Flow of a Smectic A Liquid Crystal, pp. 651-654

Richard A. Herke; Noel A. Clark; Mark A. Handschy

Imaging with Intermolecular Multiple-Quantum Coherences in Solution Nuclear Magnetic Resonance, pp. 654-657

Wolfgang Richter; Sanghyuk Lee; Warren S. Warren; Qiuhong He

Neutron Reflection Study of Bovine β-Casein Adsorbed on OTS Self- Assembled Monolayers, pp. 657-660

Giovanna Fragneto; Robert K. Thomas; Adrian R. Rennie; Jeffrey Penfold

Solid-State Defect Mechanism in Vanadyl Pyrophosphate Catalysts: Implications for Selective Oxidation, pp. 661-663

Pratibha L. Gai; K. Kourtakis

Taboo Search: An Approach to the Multiple Minima Problem, pp. 664-666

Djurdje Cvijović; Jacek Klinowski

Simulation of Recent Global Temperature Trends, pp. 666-671

Nicholas E. Graham

Climate-Related, Long-Term Faunal Changes in a California Rocky Intertidal Community, pp. 672-675

J. P. Barry; C. H. Baxter; R. D. Sagarin; S. E. Gilman

Minor Groove Recognition of the Conserved G.U Pair at the Tetrahymena Ribozyme Reaction Site, pp. 675-679

Scott A. Strobel; Thomas R. Cech

Genetic Decreases in Atrial Natriuretic Peptide and Salt-Sensitive Hypertension, pp. 679-681

Simon W. M. John; John H. Krege; Paula M. Oliver; John R. Hagaman; Jeffrey B. Hodgin; Stephen C. Pang; T. Geoffrey Flynn; Oliver Smithies

Independent Human MAP Kinase Signal Transduction Pathways Defined by MEK and MKK Isoforms, pp. 682-685

Benoit Dérijard; Joël Raingeaud; Tamera Barrett; I-Huan Wu; Jiahuai Han; Richard J. Ulevitch; Roger J. Davis

Association Between X-Linked Mixed Deafness and Mutations in the POU Domain Gene POU3F4, pp. 685-688

Yvette J. M. de Kok; Silvère M. van der Maarel; Maria Bitner-Glindzicz; Irene Huber; Anthony P. Monaco; Susan Malcolm; Marcus E. Pembrey; Hans-Hilger Ropers; Frans P. M. Cremers

Requirement of MADS Domain Transcription Factor D-MEF2 for Muscle Formation in Drosophila, pp. 688-693

Brenda Lilly; Bin Zhao; Gogineni Ranganayakulu; Bruce M. Paterson; Robert A. Schulz; Eric N. Olson

The Functional Significance of Arm Movements in Neonates, pp. 693-695

A. L. H. van der Meer; F. R. van der Weel; D. N. Lee

Potentiation of Transmitter Release by Ciliary Neurotrophic Factors Requires Somatic Signaling, pp. 695-699

Ron Stoop; Mu-ming Poo

In Vivo Evidence of Structural Brain Asymmetry in Musicians, pp. 699-701

Gottfried Schlaug; Lutz Jäncke; Yanxiong Huang; Helmuth Steinmetz

Technical Comments

Mammalian Vestibular Hair Cell Regeneration, pp. 701-707

Edwin W. Rubel; Leigh Anne Dew; David W. Roberson; Mark E. Warchol; Jeffrey T. Corwin; Andrew Forge; Lin Li; Graham Nevill

Regeneration and Mammalian Auditory Hair Cells, pp. 707-711

S. Chardin; R. Romand; Hinrich Staecker; Phillipe Lefebvre; Brigitte Malgrange; Gustave Moonen; Thomas R. Van De Water

Book Reviews

Offsetting Advantages, pp. 712-713

Sexual Selection.

Malte Andersson

Review author[s]: Michael J. Ryan

Condensed Matter, p. 713

Die Kunst of Phonons.

Tadeusz Paszkiewicz; Krzysztof Rapcewicz

Review author[s]: Alexei A. Maradudin

----------------, pp. 713-714

Historical Perspectives in Plant Science.

Kenneth J. Frey

Review author[s]: Katherine Livingston

----------------, p. 714

American Chemical Enterprise. A Perspective on 100 Years of Innovation.

Mary Ellen Bowden; John Kenly Smith

Review author[s]: Katherine Livingston

Books Recevied, pp. 714-715

Back Matter (45 pp.)

Previous Issue: New Series, Vol. 267, No. 5197, Jan. 27, 1995
Next Issue: New Series, Vol. 267, No. 5199, Feb. 10, 1995

Science, New Series, Vol. 267, No. 5199, Feb. 10, 1995

Previous Issue: New Series, Vol. 267, No. 5198, Feb. 3, 1995
Next Issue: New Series, Vol. 267, No. 5200, Feb. 17, 1995

Front Matter (29 pp.)
Editorial: Science in Latin America, p. 771

Daniel E. Koshland Jr.

Letters

Copying Articles, p. 773

Richard Hill; David A. Jones

Human Diversity in Colombia, p. 774

J. E. Bernal

Nicaragua's Research Agenda, pp. 774-775

Jorge A. Huete-Pérez

External Ethics for Scientists, p. 775

Rustum Roy

Harvey Mudd: Top Ranked, p. 776

Henry E. Riggs

Chrysotile, Tremolite, and Mesothelioma, pp. 776-777

J. Corbett McDonald; Alison D. McDonald

Corrections and Clarifications: GDNF: A Potent Survival Factor for Motoneurons Present in Peripheral Nerve and Muscle., p. 777
Corrections and Clarifications: Autoproteolysis in Hedgehog Protein Biogenesis, p. 777
ScienceScope, p. 779

Richard Stone

News and Comment

Clinton Holds the Line on R&D, pp. 780-782

Jeffrey Mervis

Priority Initiatives Squeeze Science, p. 782

Claire O'Brien

A Strategy for Sequencing the Genome 5 Years Early, pp. 783-784

Eliot Marshall

Blending Biology, Technology, and Economic Development, pp. 785-786

Patricia Kahn

DOE Reacts Coolly to Galvin Report But Favors Downsizing, p. 787

Andrew Lawler

Random Samples, p. 788

Constance Holden

Research News

Found: Candidate for Missing Mass?, pp. 789-790

Gary Taubes

Bisexual Fruit Flies Point to Brain Courtship Centers, pp. 791-792

Marcia Barinaga

Galaxy Experts Train Electronic Stand-Ins, p. 792

John Travis

Protein Studies Try to Puzzle Out Alzheimer's Tangles, pp. 793-794

Wade Roush

At Math Meetings, Enormous Theorem Eclipses Fermat, pp. 794-795

Barry Cipra

[Introduction], p. 807

Tim Appenzeller

Science in Latin America

News

Publication Trends: Uneven Growth, p. 808

Latin America's Elite Looks North for Scientific Partners, pp. 809-810

Jon Cohen

A Deadly Parasite Spurs Up-To-the-Minute Biology, pp. 811-812

Eliot Marshall

Agency is Refuge in Funding Wilderness, pp. 812-813

Eliot Marshall

Physicists Hand-Build a Synchroton, p. 813

Eliot Marshall

Homely Fish Draws Attention to Amazon Deforestation, p. 814

Eliot Marshall

A Once-Privileged Physics Lab Faces an Uncertain Future, pp. 815-817

Tim Appenzeller

Patagonian Dinosaurs Reveal a Cosmopolitan Cretaceous, pp. 817-818

Tim Appenzeller

Astronomers Struggle to Keep Up With Their Opportunities, pp. 819-820

Tim Appenzeller

Biophysicists Re-Establish a Chilean Research Tradition, pp. 821-822

Jocelyn Kaiser

A Stubborn Amoeba Takes Center Stage, pp. 822-824

Jon Cohen

Project Refines an Ancient Staple With Modern Science, pp. 824-825

Jon Cohen

Policy Forums

Science in Latin America, pp. 826-827

Francisco J. Ayala

Future of Science in Latin America, pp. 827-828

Luiz Nicolaci da Costa

Perspectives

Superpositions of Handed Wave Functions, pp. 832-833

Jeffrey A. Cina; Robert A. Harris

Casein Kinase II in Theileriosis, pp. 834-836

Onesmo K. ole-MoiYoi

Programmed Cell Death in Bacterial Populations, pp. 836-837

Michael B. Yarmolinsky

Mantle Convection with Plates and Mobile, Faulted Plate Margins, pp. 838-843

Shijie Zhong; Michael Gurnis

Gauging Similarity with n-Grams: Language-Independent Categorization of Text, pp. 843-848

Marc Damashek

Reports

Interhemispheric Differences in Polar Stratospheric HNO₃, H₂O, CIO, and O₃, pp. 849-852

M. L. Santee; W. G. Read; J. W. Waters; L. Froidevaux; G. L. Manney; D. A. Flower; R. F. Jarnot; R. S. Harwood; G. E. Peckham

Timing of Hot Spot-Related Volcanism and the Breakup of Madagascar and India, pp. 852-855

Michael Storey; John J. Mahoney; Andrew D. Saunders; Robert A. Duncan; Simon P. Kelley; Millard F. Coffin

Forearc Deformation and Great Subduction Earthquakes: Implications for Cascadia Offshore Earthquake Potential, pp. 856-859

Robert McCaffrey; Chris Goldfinger

Galaxies, Human Eyes, and Artificial Neural Networks, pp. 859-862

O. Lahav; A. Naim; R. J. Buta; H. G. Corwin; G. de Vaucouleurs; A. Dressler; J. P. Huchra; S. van den Bergh; S. Raychaudhury; L. Sodré Jr.; M. C. Storrie-Lombardi

Temperature Dependence of the Superconducting Gap Anistropy in Bi₂ Sr₂CaCu₂O _8+x, pp. 862-865

Jian Ma; C. Quitmann; R. J. Kelley; H. Berger; G. Margaritondo; M. Onellion

A Neutral Templating Route to Mesoporous Molecular Sieves, pp. 865-867

Peter T. Tanev; Thomas J. Pinnavaia

Navigating Complex Labyrinths: Optimal Paths from Chemical Waves, pp. 868-871

Oliver Steinbock; Ágota Tóth; Kenneth Showalter

Electrochemical Detection of Single Molecules, pp. 871-874

Fu-Ren F. Fan; Allen J. Bard

High Sex Ratios in China's Future, pp. 874-876

Shripad Tuljapurkar; Nan Li; Marcus W. Feldman

Shifting Dominance Within a Montane Vegetation Community: Results of a Climate-Warming Experiment, pp. 876-880

John Harte; Rebecca Shaw

Effects of Competition, Colonization, and Extinction on Rodent Species Diversity, pp. 880-883

Thomas J. Valone; James H. Brown

Synergistic Roles for Receptor Occupancy and Aggregation in Integrin Transmembrane Function, pp. 883-885

Shingo Miyamoto; Steven K. Akiyama; Kenneth M. Yamada

Biotherapy of B-Cell Precursor Leukemia by Targeting Genistein to CD19- Associated Tyrosine Kinases, pp. 886-891

F. M. Uckun; W. E. Evans; C. J. Forsyth; K. G. Waddick; L. T.-Ahlgren; L. M. Chelstrom; A. Burkhardt; J. Bolen; D. E. Myers

Suppression of ICE and Apoptosis in Mammary Epithelial Cells by Extracellular Matrix, pp. 891-893

Nancy Boudreau; Carolyn J. Sympson; Zena Werb; Mina J. Bissell

Casein Kinase IIα Transgene-Induced Murine Lymphoma: Relation to Theileriosis in Cattle, pp. 894-897

David C. Seldin; Philip Leder

Selfish Behavior of Restriction-Modification Systems, pp. 897-899

Taku Naito; Kohji Kusano; Ichizo Kobayashi

Modulation of Chemotropism in the Developing Spinal Cord by Substance P, pp. 899-902

Carmen De Felipe; Robert D. Pinnock; Stephen P. Hunt

Genetic Feminization of Brain Structures and Changed Sexual Orientation in Male Drosophila, pp. 902-905

Jean-François Ferveur; Klemens F. Störtkuhl; Reinhard F. Stocker; Ralph J. Greenspan

Book Reviews

Sociality Without Frills, pp. 909-910

Chimpanzee Culture.

Richard W. Wrangham; W. C. McGrew; Frans B. M. De Waal; Paul G. Heltne

Review author[s]: Dorothy L. Cheney

Coevolution Reconsidered, pp. 910-911

The Coevolutionary Process.

John N. Thompson

Review author[s]: May Berenbaum

Protein Penetrants, pp. 911-912

Handbook of Membrane Channels. Molecular and Cellular Physiology.

Camillo Perachia

Review author[s]: Christopher Miller

Books Received, p. 912

Back Matter (20 pp.)

Previous Issue: New Series, Vol. 267, No. 5198, Feb. 3, 1995
Next Issue: New Series, Vol. 267, No. 5200, Feb. 17, 1995

Science, New Series, Vol. 267, No. 5200, Feb. 17, 1995

Previous Issue: New Series, Vol. 267, No. 5199, Feb. 10, 1995
Next Issue: New Series, Vol. 267, No. 5201, Feb. 24, 1995

Front Matter (24 pp.)
Editorial: Sustainable Agriculture and the 1995 Farm Bill, p. 943

Philip H. Abelson

Letters

Biotechnology Regulation, p. 945

Sheldon Krimsky

AIDS Proposal, pp. 945-946

Eleen Baumann; Tom Bethell; Harvey Bialy; Peter H. Duesberg; Celia Farber; Charles L. Geshekter; Phillip E. Johnson; Robert W. Maver; Russell Schoch; Gordon T. Stewart; Richard C. Strohman; Charles A. Thomas Jr.

Mayan Archaeology, pp. 946-947

Kent V. Flannery

International Programs and Scientists in the Former Soviet Union, pp. 947-948

Sergey M. Shevchenko

Black Hole Theories, pp. 948-949

Gary Horowitz

Italian Academic Life, p. 949

Angelo Gavezzotti

Corrections and Clarifications: Nonprofit to Launch Gene-Mapping Effort, p. 949
Corrections and Clarifications: Shedding Light on Blindness, p. 949
Corrections and Clarifications: The Emerging Fungal Threat, p. 949
ScienceScope, p. 951

Richard Stone

News and Comment

The Looming Neutron Gap, pp. 952-954

Daniel Clery; Andrew Lawler

Fisher Clashes with NCI-Again, p. 954

Eliot Marshall

ESA Members Balk at Space Station Cost, p. 955

Robert Koenig

House Panel Cuts Industry Programs, pp. 955-956

Jeffrey Mervis

Brookhaven Prepares for Boron Trials, p. 956

Andrew Lawler

If the Mercury Soars, So May Health Hazards, pp. 957-958

Richard Stone

Research News

AIDS Mood Upbeat-For a Change, pp. 959-960

Jon Cohen

Chilly Ice-Age Tropics Could Signal Climate Sensitivity, p. 961

Richard A. Kerr

Faraway Tsunami Hints at a Really Big Northwest Quake, p. 962

Richard A. Kerr

Cell Cycle Inhibitors May Help Brake Growth as Cells Develop, pp. 963-964

Jean Marx

A Visit to Asymptopia Yields Insight Into Set Structures, pp. 964-965

Barry Cipra

Shuttle Radar Maps Ancient Angkor, p. 965

Jamie James

Random Samples, pp. 966-967

Constance Holden

Perspectives

Fractional Charges in an Interacting Electron System, pp. 977-978

A. H. MacDonald

Express Yourself or Die: Peptides, MHC Molecules, and NK Cells, pp. 978-979

Klas Kärre

The Case for a Hubble Constant of 30 km s ^-1 Mpc ^-1, pp. 980-983

James G. Bartlett; Alain Blanchard; Joseph Silk; Michael S. Turner

The Chemistry of John Dalton's Color Blindness, pp. 984-988

David M. Hunt; Kanwaljit S. Dulai; James K. Bowmaker; John D. Mollon

Research Article

Mechanism of Inhibition of HIV-1 Reverse Transcriptase by Nonnucleoside Inhibitors, pp. 988-993

Rebecca A. Spence; Warren M. Kati; Karen S. Anderson; Kenneth A. Johnson

Reports

A Conducting Polymer Film Stronger Than Aluminum, pp. 994-996

Gaoquan Shi; Shi Jin; Gi Xue; Cun Li

Simultaneous Studies of Reaction Kinetics and Structure Development in Polymer Processing, pp. 996-999

W. Bras; G. E. Derbyshire; D. Bogg; J. Cooke; M. J. Elwell; B. U. Komanschek; S. Naylor; A. J. Ryan

Evidence from Ion Chromatography Experiments That Met-Cars Are Hollow Cage Clusters, pp. 999-1001

Seonghoon Lee; Nigel G. Gotts; Gert von Helden; Michael T. Bowers

A Net Sink for Atmospheric CH₃Br in the East Pacific Ocean, pp. 1002-1005

Jürgen M. Lobert; James H. Butler; Stephen A. Montzka; Laurie S. Geller; Richard C. Myers; James W. Elkins

Iceberg Discharges Into the North Atlantic on Millennial Time Scales During the Last Glaciation, pp. 1005-1010

Gerard C. Bond; Rusty Lotti

Resonant Tunneling in the Quantum Hall Regime: Measurement of Fractional Charge, pp. 1010-1012

V. J. Goldman; B. Su

Numbers and Ratios of Visual Pigment Genes for Normal Red-Green Color Vision, pp. 1013-1016

Maureen Neitz; Jay Neitz

Peptide Specificity in the Recognition of MHC Class I by Natural Killer Cell Clones, pp. 1016-1018

Mauro S. Malnati; Marta Peruzzi; Kenneth C. Parker; William E. Biddison; Ermanno Ciccone; Alessandro Moretta; Eric O. Long

Correlation of Terminal Cell Cycle Arrest of Skeletal Muscle with Induction of p21 by MyoD, pp. 1018-1021

Orna Halevy; Bennett G. Novitch; Douglas B. Spicer; Stephen X. Skapek; James Rhee; Gregory J. Hannon; David Beach; Andrew B. Lassar

Inhibition of Myogenic Differentiation in Proliferating Myoblasts by Cyclin D1-Dependent Kinase, pp. 1022-1024

Stephen X. Skapek; James Rhee; Douglas B. Spicer; Andrew B. Lassar

p53-Independent Expression of p21 ^Cip1 in Muscle and Other Terminally Differentiating Cells, pp. 1024-1027

Susan B. Parker; Gregor Eichele; Pumin Zhang; Alan Rawls; Arthur T. Sands; Allan Bradley; Eric N. Olson; J. Wade Harper; Stephen J. Elledge

Temporal Information Transformed into a Spatial Code by a Neural Network with Realistic Properties, pp. 1028-1030

Dean V. Buonomano; Michael M. Merzenich

Molecular Cloning and Characterization of an Inner Ear-Specific Structural Protein, pp. 1031-1034

James G. Davis; J. Carl Oberholtzer; Frank R. Burns; Mark I. Greene

Prevention of Atherosclerosis in Apolipoprotein E-Deficient Mice by Bone Marrow Transplantation, pp. 1034-1037

MacRae F. Linton; James B. Atkinson; Sergio Fazio

Technical Comments

Retinal Representations, p. 1038

R. W. Guillery; Daeyeol Lee; Joseph G. Malpeli

Book Reviews

Hope from Physics, pp. 1042-1043

The Physics of Immortality. Modern Cosmology, God and the Resurrection of the Dead.

Frank J. Tipler

Review author[s]: Varadaraja V. Raman

Fossils Worth Studying, pp. 1043-1044

Quaternary Insects and Their Environments.

Scott A. Elias

Review author[s]: Richard G. Baker

Reprints of Books Previously Reviewed, p. 1044

Books Received, p. 1044

Back Matter (20 pp.)

Previous Issue: New Series, Vol. 267, No. 5199, Feb. 10, 1995
Next Issue: New Series, Vol. 267, No. 5201, Feb. 24, 1995

Science, New Series, Vol. 267, No. 5201, Feb. 24, 1995

Previous Issue: New Series, Vol. 267, No. 5200, Feb. 17, 1995
Next Issue: New Series, Vol. 267, No. 5202, Mar. 3, 1995

Front Matter (27 pp.)
Editorial: The Opportunity Connection, p. 1075

Daniel E. Koshland Jr.

Letters

Radiation Studies, p. 1077

M. Akiyama; K. Kodama; K. Mabuchi; J. L. Ohara; D. L. Preston; C. Satoh; M. Akahoshi; T. Honda; M. Soda

AIDS-Associated Kaposi's Sarcoma, pp. 1078-1080

Jeffrey L. Jones; Debra L. Hanson; Susan Y. Chu; John W. Ward; Harold W. Jaffe; Yuan Chang; Patrick S. Moore; Michael S. Ascher; Haynes W. Sheppard; Warren Winkelstein Jr.

Fungicide Regulation and Food Safety, pp. 1080-1081

Lynn R. Goldman; Philip H. Abelson

ScienceScope, p. 1083

Richard Stone

News

Filtering a River of Cancer Data, pp. 1084-1086

Michael Balter

NIH Gets a Share of BRCA1 Patent, p. 1086

Eliot Marshall

Goldin Hopes to Trim Centers to Stave Off Program Cuts, p. 1087

Andrew Lawler

Erosion Study Finds High Price for Forgotten Menace, p. 1088

James Glanz

Another Step Toward a Diamond-Beater, p. 1089

Antonio Regalado

Agencies Decry Fuzzy Science in Bill, pp. 1089-1090

Richard Stone

U.S. Oil and Gas Fields Double in Size, pp. 1090-1091

Richard A. Kerr

Shedding Light on the Ticking of Internal Timekeepers, pp. 1091-1092

Marcia Barinaga

Vertical Lasers Take Aim at New-and Colorful-Targets, pp. 1093-1094

Robert F. Service

Random Samples, p. 1095

Constance Holden

Special News Report

The Defense Initiative of the 1990s, pp. 1096-1100

Gary Taubes

Policy Forum

Post-Cold War Nuclear Dangers: Proliferation and Terrorism, pp. 1112-1114

John H. Nuckolls

Perspective

Punctuated Evolution of Embryos, pp. 1115-1116

Gregory A. Wray

Environmental and Economic Costs of Soil Erosion and Conservation Benefits, pp. 1117-1123

David Pimentel; C. Harvey; P. Resosudarmo; K. Sinclair; D. Kurz; M. McNair; S. Crist; L. Shpritz; L. Fitton; R. Saffouri; R. Blair

Prehistoric Extinctions of Pacific Island Birds: Biodiversity Meets Zooarchaeology, pp. 1123-1131

David W. Steadman

Research Article

Head-On Collision Between a DNA Replication Apparatus and RNA Polymerase Transcription Complex, pp. 1131-1137

Bin Liu; Bruce M. Alberts

Reports

Cooperative Organization of Inorganic-Surfactant and Biomimetic Assemblies, pp. 1138-1143

A. Firouzi; D. Kumar; L. M. Bull; T. Besier; P. Sieger; Q. Huo; S. A. Walker; J. A. Zasadzinski; C. Glinka; J. Nicol; D. Margolese; G. D. Stucky; B. F. Chmelka

Near-Atomic Resolution Imaging of Ferroelectric Liquid Crystal Molecules on Graphite by STM, pp. 1144-1147

David M. Walba; Forrest Stevens; Daniel C. Parks; Noel A. Clark; Michael D. Wand

Optical Properties of the South Pole Ice at Depths Between 0.8 and 1 Kilometer, pp. 1147-1150

P. Askebjer; S. W. Barwick; L. Bergström; A. Bouchta; S. Carius; A. Coulthard; K. Engel; B. Erlandsson; A. Goobar; L. Gray; A. Hallgren; F. Halzen; P. O. Hulth; J. Jacobsen; S. Johansson; V. Kandhadai; I. Liubarsky; D. Lowder; T. Miller; P. C. Mock; R. Morse; R. Porrata; P. B. Price; A. Richards; H. Rubinstein; E. Schneider; Q. Sun; S. Tilav; C. Walck; G. Yodh

Viscous Dissipation in Three-Dimensional Convection with Temperature- Dependent Viscosity, pp. 1150-1153

S. Balachandar; D. A. Yuen; D. M. Reuteler; G. S. Lauer

Visual Appearance of Matte Surfaces, pp. 1153-1156

Shree K. Nayar; Michael Oren

Requirement of Carbon Dioxide for in Vitro Assembly of the Urease Nickel Metallocenter, pp. 1156-1158

II-Seon Park; Robert P. Hausinger

A Functionally Diverse Enzyme Superfamily that Abstracts the α Protons of Carboxylic Acids, pp. 1159-1161

Patricia Clement Babbitt; Gregory T. Mrachko; Miriam Sarah Hasson; Gjalt W. Huisman; Roberto Kolter; Dagmar Ringe; Gregory A. Petsko; George L. Kenyon; John A. Gerlt

Circadian Clock Mutants in Arabidopsis Identified by Luciferase Imaging, pp. 1161-1163

Andrew J. Millar; Isabelle A. Carré; Carl A. Strayer; Nam-Hai Chua; Steve A. Kay

The Regulation of Circadian Period by Phototransduction Pathways in Arabidopsis, pp. 1163-1166

Andrew J. Millar; Martin Straume; Joanne Chory; Nam-Hai Chua; Steve A. Kay

A Role for Exonuclease I from S. pombe in Mutation Avoidance and Mismatch Correction, pp. 1166-1169

Philippe Szankasi; Gerald R. Smith

PER Protein Interactions and Temperature Compensation of a Circadian Clock in Drosophila, pp. 1169-1172

Zuoshi J. Huang; Kathryn D. Curtin; Michael Rosbash

Binding Strength Between Cell Adhesion Proteoglycans Measured by Atomic Force Microscopy, pp. 1173-1175

Ulrich Dammer; Octavian Popescu; Peter Wagner; Dario Anselmetti; Hans-Joachim Güntherodt; Gradimir N. Misevic

A Regulatory Role for ARF6 in Receptor-Mediated Endocytosis, pp. 1175-1178

Crislyn D'Souza-Schorey; Guangpu Li; Maria I. Colombo; Philip D. Stahl

DNA-Dependent Kinase (p350) as a Candidate Gene for the Murine SCID Defect, pp. 1178-1183

Cordula U. Kirchgessner; Christopher K. Patil; James W. Evans; Christina A. Cuomo; Laura M. Fried; Timothy Carter; Marjorie A. Oettinger; J. Martin Brown

Absence of p350 Subunit of DNA-Activated Protein Kinase from a Radiosensitive Human Cell Line, pp. 1183-1185

Susan P. Lees-Miller; Roseline Godbout; Doug W. Chan; Michael Weinfeld; Rufus S. Day III; Geraldine M. Barron; Joan Allalunis-Turner

Technical Comments

Alternatives to ³⁵ S as a Label for the Differential Display of Eukaryotic Messenger RNA, pp. 1186-1187

Stefan M. Trentmann; Esther van der Knaap; Hans Kende; Peng Liang; Arthur B. Pardee

Book Reviews

A Model of Variability, p. 1192

The Evolutionary Biology of the Threespine Stickleback.

Michael A. Bell; Susan A. Foster

Review author[s]: George V. Lauder

Astronomical Venture, pp. 1192-1193

The Perfect Machine. Building the Palomar Telescope.

Ronald Florence

Review author[s]: Steven J. Dick

Small Bodies in Space, pp. 1193-1194

Asteroids, Comets, Meteors 1993.

A. Milani; M. Di Martino; A. Cellino

Review author[s]: Faith Vilas

Books Received, pp. 1194-1195

Back Matter (41 pp.)

Previous Issue: New Series, Vol. 267, No. 5200, Feb. 17, 1995
Next Issue: New Series, Vol. 267, No. 5202, Mar. 3, 1995

Science, New Series, Vol. 267, No. 5202, Mar. 3, 1995

Previous Issue: New Series, Vol. 267, No. 5201, Feb. 24, 1995
Next Issue: New Series, Vol. 267, No. 5203, Mar. 10, 1995

Front Matter (15 pp.)
Editorial: Impact of Regulations on Universities, p. 1247

Philip H. Abelson

Letters

AIDS Research Priorities, pp. 1249-1250

Larry Kramer; Howard B. Urnovitz; Roy W. Stevens

AIDS: Modeling Epidemic Control, pp. 1250-1253

Ira M. Longini Jr.; M. Elizabeth Halloran; Wasima Rida; Patricia Fast; Rodney Hoff; Lewellys Barker; Sally Blower; Angela McLean

Corrections and Clarifications: Priority Initiatives Squeeze Science, p. 1253
ScienceScope, p. 1255

Richard Stone

News

Is Endangered Species Act in Danger?, pp. 1256-1258

Charles C. Mann; Mark Plummer

Reshuffling Plan Riles Congress, p. 1259

Andrew Lawler

Researchers' Protest Pays Off, For Now, p. 1260

Michael Balter

Spy Photos Come in From the Cold, p. 1260

Andrew Lawler

Casualties Expected in Takeover Battle, p. 1261

Claire O'Brien

Glimmer of Hope for T Cell Booster?, p. 1261

Jon Cohen

Organic LEDs Begin Producing Bright White Light, p. 1262

Robert F. Service

Neuronal Adhesion Molecules Signal Through FGF Receptor, pp. 1263-1264

Claire O'Brien

Ivory Identity Crisis Still Unsolved, p. 1264

Elizabeth Culotta

Getting All Turned Around Over the Origins of Life on Earth, pp. 1265-1266

Jon Cohen

A New Accelerator Explores The Social Life of Quarks, pp. 1266-1267

Faye Flam

Random Samples, pp. 1268-1269

Constance Holden

Diverse AAAS Converges in Atlanta, pp. 1270-1273

Daniel Clery; Andrew Lawler; Richard Stone; Ann Gibbons

Perspectives

Rapid Prototyping Directly from the Vapor Phase, pp. 1274-1275

Frederick T. Wallenberger

Liposomes Revisited, pp. 1275-1276

D. D. Lasic; D. Papahadjopoulos

Comet Shoemaker-Levy 9

Collision of Comet Shoemaker-Levy 9 with Jupiter Observed by the NASA Infrared Telescope Facility, pp. 1277-1282

G. Orton; M. A'Hearn; K. Baines; D. Deming; T. Dowling; J. Goguen; C. Griffith; H. Hammel; W. Hoffmann; D. Hunten; D. Jewitt; T. Kostiuk; S. Miller; K. Noll; K. Zahnle; N. Achilleos; A. Dayal; L. Deutsch; F. Espenak; P. Esterle; J. Friedson; K. Fast; J. Harrington; J. Hora; R. Joseph; D. Kelly; R. Knacke; J. Lacy; C. Lisse; J. Rayner; A. Sprague; M. Shure; K. Wells; P. Yanamandra-Fisher; D. Zipoy; G. Bjoraker; D. Buhl; W. Golisch; D. Griep; C. Kaminski; C. Arden; A. Chaikin; J. Goldstein; D. Gilmore; G. Fazio; T. Kanamori; H. Lam; T. Livengood; M.-M MacLow; M. Marley; T. Momary; D. Robertson; P. Romani; J. Spitale; M. Sykes; J. Tennyson; D. Wellnitz; S. W. Ying

The Hubble Space Telescope (HST) Observing Campaign on Comet Shoemaker- Levy 9, pp. 1282-1288

H. A. Weaver; M. F. A'Hearn; C. Arpigny; D. C. Boice; P. D. Feldman; S. M. Larson; P. Lamy; D. H. Levy; B. G. Marsden; K. J. Meech; K. S. Noll; J. V. Scotti; Z. Sekanina; C. S. Shoemaker; E. M. Shoemaker; T. E. Smith; S. A. Stern; A. D. Storrs; J. T. Trauger; D. K. Yeomans; B. Zellner

HST Imaging of Atmospheric Phenomena Created by the Impact of Comet Shoemaker-Levy 9, pp. 1288-1296

H. B. Hammel; R. F. Beebe; A. P. Ingersoll; G. S. Orton; J. R. Mills; A. A. Simon; P. Chodas; J. T. Clarke; E. De Jong; T. E. Dowling; J. Harrington; L. F. Huber; E. Karkoschka; C. M. Santori; A. Toigo; D. Yeomans; R. A. West

Impact Debris Particles in Jupiter's Stratosphere, pp. 1296-1301

Robert A. West; Erich Karkoschka; A. James Friedson; Mark Seymour; Kevin H. Baines; Heidi B. Hammel

HST Far-Ultraviolet Imaging of Jupiter During the Impacts of Comet Shoemaker-Levy 9, pp. 1302-1307

John T. Clarke; Renée Prangé; Gilda E. Ballester; John Trauger; Robin Evans; Daniel Rego; Karl Stapelfeldt; Wing Ip; Jean-Claude Gérard; Heidi Hammel; Manish Ballav; Lotfi Ben Jaffel; Jean-Loup Bertaux; David Crisp; Claude Emerich; Walter Harris; Mihaly Horanyi; Steven Miller; Alex Storrs; Harold Weaver

HST Spectroscopic Observations of Jupiter After the Collision of Comet Shoemaker-Levy 9, pp. 1307-1313

K. S. Noll; M. A. McGrath; L. M. Trafton; S. K. Atreya; J. J. Caldwell; H. A. Weaver; R. V. Yelle; C. Barnet; S. Edgington

Response of the lo Plasma Torus to Comet Shoemaker-Levy 9, pp. 1313-1317

M. A. McGrath; D. T. Hall; P. L. Matheson; H. A. Weaver; J. T. Trauger; T. E. Smith; N. Thomas; R. Gladstone; N. M. Schneider; W. M. Harris; T. A. Livengood; R. Prangé; M. C. Festou

Auroral Signature of Comet Shoemaker-Levy 9 in the Jovian Magnetosphere, pp. 1317-1320

R. Prangé; I. M. Engle; J. T. Clarke; M. Dunlop; G. E. Ballester; W. H. Ip; S. Maurice; J. Trauger

The Fragment R Collision: W. M. Keck Telescope Observations of SL9, pp. 1320-1323

James R. Graham; Imke de Pater; J. Garrett Jernigan; Michael C. Liu; Michael E. Brown

Reports

Climatic Warming and the Decline of Zooplankton in the California Current, pp. 1324-1326

Dean Roemmich; John McGowan

The Reaction of CIONO₂ with Submicrometer Sulfuric Acid Aerosol, pp. 1326-1328

D. R. Hanson; E. R. Lovejoy

Rapid Deformation of the South Flank of Kilauea Volcano, Hawaii, pp. 1328-1332

Susan Owen; Paul Segall; Jeff Freymueller; Asta Miklius; Roger Denlinger; Thóra Árnadóttir; Maurice Sako; Roland Bürgmann

Multilayer White Light-Emitting Organic Electroluminescent Device, pp. 1332-1334

Junji Kido; Masato Kimura; Katsutoshi Nagai

A Structure Model and Growth Mechanism for Multishell Carbon Nanotubes, pp. 1334-1338

S. Amelinckx; D. Bernaerts; X. B. Zhang; G. Van Tendeloo; J. Van Landuyt

Synthesis and Characterization of Anisometric Cobalt Nanoclusters, pp. 1338-1340

Charles P. Gibson; Kathy J. Putzer

Isotopic Tracking of Change in Diet and Habitat Use in African Elephants, pp. 1340-1343

Paul L. Koch; Jennifer Heisinger; Cynthia Moss; Richard W. Carlson; Marilyn L. Fogel; Anna K. Behrensmeyer

Structural Features That Stabilize Halophilic Malate Dehydrogenase from an Archaebacterium, pp. 1344-1346

O. Dym; M. Mevarech; J. L. Sussman

Contribution of STAT SH2 Groups to Specific Interferon Signaling by the Jak-STAT Pathway, pp. 1347-1349

Markus H. Heim; Ian M. Kerr; George R. Stark; James E. Darnell Jr.

Choice of STATs and Other Substrates Specified by Modular Tyrosine-Based Motifs in Cytokine Receptors, pp. 1349-1353

Neil Stahl; Thomas J. Farrugella; Teri G. Boulton; Zhong Zhong; James E. Darnell Jr.; George D. Yancopoulos

A p53-Dependent Mouse Spindle Checkpoint, pp. 1353-1356

Shawn M. Cross; Carissa A. Sanchez; Catherine A. Morgan; Melana K. Schimke; Stig Ramel; Rejean L. Idzerda; Wendy H. Raskind; Brian J. Reid

Impact of CLOD Pathogen on Pacific Coral Reefs, pp. 1356-1360

Mark M. Littler; Diane S. Littler

The Neuron-Restrictive Silencer Factor (NRSF): A Coordinate Repressor of Multiple Neuron-Specific Genes, pp. 1360-1363

Christopher J. Schoenherr; David J. Anderson

Book Reviews

Astrophysical Discontinuities, pp. 1367-1368

Spontaneous Current Sheets in Magnetic Fields. With Applications to Stellar X-Rays.

Eugene N. Parker

Review author[s]: Ellen G. Zweibel

Courtly Naturalism, p. 1368

Possessing Nature. Museums, Collecting, and Scientific Culture in Early Modern Italy.

Paula Findlen

Review author[s]: Harold J. Cook

----------------, pp. 1368-1369

The Aye-Aye. Madagascar's Most Puzzling Primate.

Anna C. Feistner; Eleanor J. Sterling

Review author[s]: Katherine Livingston

----------------, p. 1369

The Ecology of Loch Lomond.

K. J. Murphy; M. C. M. Beveridge; R. Tippett

Review author[s]: Katherine Livingston

Books Receive, pp. 1369-1370

Back Matter (22 pp.)

Previous Issue: New Series, Vol. 267, No. 5201, Feb. 24, 1995
Next Issue: New Series, Vol. 267, No. 5203, Mar. 10, 1995

Science, New Series, Vol. 267, No. 5203, Mar. 10, 1995

Previous Issue: New Series, Vol. 267, No. 5202, Mar. 3, 1995
Next Issue: New Series, Vol. 267, No. 5204, Mar. 17, 1995

Front Matter (37 pp.)
Editorial: Letter to Floyd Bloom, Editor-in-Chief-Elect, p. 1403

Daniel E. Koshland, Jr.

Letters

AIDS Research Policy, pp. 1405-1407

William E. Paul; Spencer Cox; Billi Goldberg; Raphael B. Stricker

Biosphere 2, p. 1407

John Allen

Oncogenes and Cancer, pp. 1407-1409

Peter H. Duesberg; Dominique Stéhelin

China's Internet Links, p. 1409

Xin Hao

Zinc Selenide Lasers, p. 1409

Brian J. Fitzpatrick

ScienceScope, p. 1411

Richard Stone

News and Comment

A New Phase in the War on Cancer, pp. 1412-1415

Eliot Marshall

Nobelists Make a Plea for NIH Budget, p. 1415

Eliot Marshall

Russian Chaos Breeds Diphtheria Outbreak, pp. 1416-1417

John Maurice

European Parliament Axes Patent Policy, pp. 1417-1418

Claire O'Brien

Science Budget Takes 15% Whack, p. 1418

Douglas Powell

India Cracks Whip to End Addiction to State Funds, pp. 1419-1420

Pallava Bagla

Galvin, DOE Spar Over Reform Plan, p. 1420

Andrew Lawler

Research News

Did Darwin Get It All Right?, pp. 1421-1422

Richard A. Kerr

With Quark Discovery, Truth Comes Out on Top--Twice, p. 1423

Antonio Regalado

How Quixotic Is SLAC's Quest To Detect "Crazy Particle"?, p. 1424

John Travis

Plucking Images From the Digital Floods, p. 1425

Kenneth Chang

NASA Picks a Budget Lunar Trip, p. 1425

Richard A. Kerr

Random Samples, pp. 1426-1427

Constance Holden

Profile

Floyd Bloom: The Next Editor-in-Chief of Science, pp. 1441-1442

Richard A. Lerner; Roger Guillemin

Perspective

Targeting Retroviral Integration, pp. 1443-1444

Frederic Bushman

Apoptosis

Mechanisms and Genes of Cellular Suicide, pp. 1445-1449

Hermann Steller

The Fas Death Factor, pp. 1449-1456

Shigekazu Nagata; Pierre Golstein

Apoptosis in the Pathogenesis and Treatment of Disease, pp. 1456-1462

Craig B. Thompson

Research Article

Structure of a Hyperthermophilic Tungstopterin Enzyme, Aldehyde Ferredoxin Oxidoreductase, pp. 1463-1469

Michael K. Chan; Swarnalatha Mukund; Arnulf Kletzin; Michael W. W. Adams; Douglas C. Rees

Reports

The Elemental Composition of the Corona of Procyon: Evidence for the Absence of the FIP Effect, pp. 1470-1473

Jeremy J. Drake; J. Martin Laming; Kenneth G. Widing; Jurgen H. M. M. Schmitt; Bernard Haisch; Stuart Bowyer

Conducting Layered Organic-Inorganic Halides Containing <110>-Oriented Perovskite Sheets, pp. 1473-1476

D. B. Mitzi; S. Wang; C. A. Feild; C. A. Chess; A. M. Guloy

A "Double-Diamond Superlattice" Built Up of Cd ₁₇ S₄(SCH₂CH₂OH) ₂₆ Clusters, pp. 1476-1479

T. Vossmeyer; G. Reck; L. Katsikas; E. T. K. Haupt; B. Schulz; H. Weller

Micrometer- and Nanometer-Sized Polymeric Light-Emitting Diodes, pp. 1479-1481

Magnus Granström; Magnus Berggren; Olle Inganas

Influence of Lunar Phase on Daily Global Temperatures, pp. 1481-1483

Robert C. Balling Jr.; Randall S. Cerveny

Conformation of Macromolecules in the Gas Phase: Use of Matrix-Assisted Laser Desorption Methods in Ion Chromatography, pp. 1483-1485

Gert von Helden; Thomas Wyttenbach; Michael T. Bowers

Control of IκB-α Proteolysis by Site-Specific, Signal-Induced Phosphorylation, pp. 1485-1488

Keith Brown; Susan Gerstberger; Louise Carlson; Guido Franzoso; Ulrich Siebenlist

Requirement of RNA Polymerase III Transcription Factors for in Vitro Position-Specific Integration of a Retroviruslike Element, pp. 1488-1491

Jacqueline Kirchner; Charles M. Connolly; Suzanne B. Sandmeyer

Glutamate Receptor RNA Editing in Vitro by Enzymatic Conversion of Adenosine to Inosine, pp. 1491-1494

Susan M. Rueter; Colleen M. Burns; Sarah A. Coode; Paramita Mookherjee; Ronald B. Emeson

Involvement of CRAF1, a Relative of TRAF, in CD40 Signaling, pp. 1494-1498

Genhong Cheng; Aileen M. Cleary; Zheng-sheng Ye; David I. Hong; Seth Lederman; David Baltimore

Crystal Structure of the Tetramerization Domain of the p53 Tumor Suppressor at 1.7 Angstroms, pp. 1498-1502

Philip D. Jeffrey; Svetlana Gorina; Nikola P. Pavletich

Pineal Opsin: A Nonvisual Opsin Expressed in Chick Pineal, pp. 1502-1506

Marianna Max; Peter J. McKinnon; Kenneth J. Seidenman; R. Keith Barrett; Meredithe L. Applebury; Joseph S. Takahashi; Robert F. Margolskee

Massive Cell Death of Immature Hematopoietic Cells and Neurons in Bcl-x- Deficient Mice, pp. 1506-1510

Noboru Motoyama; Fanping Wang; Kevin A. Roth; Hirofumi Sawa; Kei-ichi Nakayama; Keiko Nakayama; Izumi Negishi; Satoru Senju; Qing Zhang; Satoshi Fujii; Dennis Y. Loh

Synaptic Desensitization of NMDA Receptors by Calcineurin, pp. 1510-1512

Gang Tong; Dawn Shepherd; Craig E. Jahr

Storage of 7 ± 2 Short-Term Memories in Oscillatory Subcycles, pp. 1512-1515

John E. Lisman; Marco A. P. Idiart

Technical Comments

Interhelical Angles in the Solution Structure of the Oligomerization Domain of p53: Correction, pp. 1515-1516

G. Marius Clore; James G. Omichinski; Kazuyasu Sakaguchi; Nicola Zambrano; Hiroshi Sakamoto; Ettore Appella; Angela M. Gronenborn

Book Reviews

Hydraulics Under Fire, pp. 1529-1530

Structures in the Stream. Water, Science, and the Rise of the U.S. Army Corps of Engineers

Todd Shallat

Review author[s]: Philip L. Shiman

Workings of HIV, p. 1530

HIV and the Pathogenesis of AIDS

Jay A. Levy

Review author[s]: Robin A. Weiss

Patterns of Peopling, pp. 1530-1532

The History and Geography of Human Genes

L. Luca Cavalli-Sforza; Paolo Menozzi; Alberto Piazza

Review author[s]: Dennis H. O'Rourke

Books Received, p. 1532

Back Matter (32 pp.)

Previous Issue: New Series, Vol. 267, No. 5202, Mar. 3, 1995
Next Issue: New Series, Vol. 267, No. 5204, Mar. 17, 1995

Science, New Series, Vol. 267, No. 5204, Mar. 17, 1995

Previous Issue: New Series, Vol. 267, No. 5203, Mar. 10, 1995
Next Issue: New Series, Vol. 267, No. 5205, Mar. 24, 1995

Front Matter (21 pp.)
Editorial: The Crystal Ball and the Trumpet Call, p. 1575

Daniel E. Koshland Jr.

Letters

Malaria Vaccine, p. 1577

W. Trager

Detecting Alzheimer's Disease, pp. 1577-1581

Jeffrey L. Marx; Sanjiv R. Kumar; Allen B. Thach; Tien Kiat-Winarko; Donald A. Frambach; Adrian Treloar; Mandy Assin; Alastair Macdonald; Barrett Katz; Nunzio Pomara; Natraj Sitaram; L. F. M. Scinto; K. R. Daffner; D. Dressler; B. I. Ransil; D. Rentz; S. Weintraub; M. Mesulam; H. Potter

Corrections and Clarifications: A Potential Noninvasive Neurobiological Test for Alzheimer's Disease, p. 1581
Corrections and Clarifications: Brookhaven Prepares for Boron Trials, p. 1581
Corrections and Clarifications: Activation and Regeneration of Rhodopsin in the Insect Visual Cycle, p. 1581
Corrections and Clarifications: A Three-Dimensional Model for the Hammerhead Ribozyme Based on Fluorescence Measurements, p. 1581
ScienceScope, p. 1583

Richard Stone

News and Comment

NSF Hands Over the Internet..., pp. 1584-1585

Andrew Lawler

...Weighs Future of Computer Centers, pp. 1585-1586

Jocelyn Kaiser

Japanese Panel OKs IVF Screening, p. 1586

Marc Lamphier

Gingrich Sees Tax Cuts, Reform as Spur for Industry, p. 1587

Andrew Lawler

Varmus Orders Up a Review of The Science of Gene Therapy, p. 1588

Eliot Marshall

Pace of NASA Change Worries Advisers, p. 1589

Andrew Lawler

A $51 Million Incentive to Cooperate, p. 1589

Michael Balter

Walker Tells Universities to Look for Help from Industry, p. 1590

Jeffrey Mervis

Research News

Putting Game Theory to the Test, pp. 1591-1593

Robert Pool

Making Light Work of Brownian Motion, pp. 1593-1594

John Travis

Playing Chicken With an Epidemic, p. 1594

Bernice Wuethrich

Is a Warmer Climate Wilting the Forests of the North?, p. 1595

Gary Taubes

Getting a Grip on G Protein Function in C. elegans, pp. 1596-1597

Jean Marx

Shock Test Squeezes Core Temperature, pp. 1597-1598

Richard A. Kerr

Keeping Alive the Spirit of Einstein, p. 1598

Robert Koenig

Random Samples, p. 1599

Constance Holden

Viewpoint: The Future

Through the Glass Lightly, pp. 1609-1618

Perspectives

Navigating the Folding Routes, pp. 1619-1620

Peter G. Wolynes; Jose N. Onuchic; D. Thirumalai

The New Path to Preventing Ulcers, pp. 1621-1622

Lucy S. Tompkins; Stanley Falkow

Reports

Seeing Through the Dust: Martian Crustal Heterogeneity and Links to the SNC Meteorites, pp. 1623-1626

John F. Mustard; Jessica M. Sunshine

Direct Observations of Excess Solar Absorption by Clouds, pp. 1626-1629

Peter Pilewskie; Francisco P. J. Valero

Self-Assembled Metal Colloid Monolayers: An Approach to SERS Substrates, pp. 1629-1632

R. Griffith Freeman; Katherine C. Grabar; Keith J. Allison; Robin M. Bright; Jennifer A. Davis; Andrea P. Guthrie; Michael B. Hommer; Michael A. Jackson; Patrick C. Smith; Daniel G. Walter; Michael J. Natan

Granular Convection Observed by Magnetic Resonance Imaging, pp. 1632-1634

E. E. Ehrichs; H. M. Jaeger; Greg S. Karczmar; James B. Knight; Vadim Yu. Kuperman; Sidney R. Nagel

Lipid Tubule Self-Assembly: Length Dependence on Cooling Rate Through a First-Order Phase Transition, pp. 1635-1638

Britt N. Thomas; Cyrus R. Safinya; Robert J. Plano; Noel A. Clark

Crystal Structure and Function of the Isoniazid Target of Mycobacterium tuberculosis, pp. 1638-1641

Andréa Dessen; Annaïk Quémard; John S. Blanchard; William R. Jacobs Jr.; James C. Sacchettini

Evidence from 18S Ribosomal DNA that the Lophophorates are Protostome Animals, pp. 1641-1643

Kenneth M. Halanych; John D. Bacheller; Anna Marie A. Aguinaldo; Stephanie M. Liva; David M. Hillis; James A. Lake

Sodefrin: A Female-Attracting Peptide Pheromone in Newt Cloacal Glands, pp. 1643-1645

S. Kikuyama; F. Toyoda; Y. Ohmiya; K. Matsuda; S. Tanaka; H. Hayashi

Epithelial Antibiotics Induced at Sites of Inflammation, pp. 1645-1648

Barry S. Schonwetter; Ethan D. Stolzenberg; Michael A. Zasloff

Modulation of Serotonin-Controlled Behaviors by G_o in Caenorhabditis elegans, pp. 1648-1651

Laurent Ségalat; Daniel A. Elkes; Joshua M. Kaplan

Participation of the Protein G_o in Multiple Aspects of Behavior in C. elegans, pp. 1652-1655

Jane E. Mendel; Hendrik C. Korswagen; Katharine S. Liu; Yvonne M. Hajdu-Cronin; Melvin I. Simon; Ronald H. A. Plasterk; Paul W. Sternberg

Development of a Mouse Model of Helicobacter pylori Infection that Mimics Human Disease, pp. 1655-1658

Marta Marchetti; Beatrice Aricò; Daniela Burroni; Natale Figura; Rino Rappuoli; Paolo Ghiara

Long-Lasting Neurotrophin-Induced Enhancement of Synaptic Transmission in the Adult Hippocampus, pp. 1658-1662

Hyejin Kang; Erin M. Schuman

Inhibition of Ocular Dominance Column Formation by Infusion of NT-4/5 or BDNF, pp. 1662-1666

Robert J. Cabelli; Andreas Hohn; Carla J. Shatz

Technical Comments

The Body Temperature of Tyrannosaurus rex, pp. 1666-1667

Andrew R. Millard; Reese E. Barrick; William J. Showers; Scott Brande; Michael J. Neilson; Malcolm Turner

Book Reviews

Perspectives on Lizards, pp. 1668-1669

Lizard Ecology. Historical and Experimental Perspectives.

Laurie J. Vitt; Eric R. Pianka

Review author[s]: Jeffrey W. Lang

Endangered Millions, pp. 1669-1670

Insect Conservation Biology.

Michael J. Samways

Review author[s]: Stephen B. Malcolm

----------------, p. 1670

Arabidopsis.

Eliot M. Meyerowitz; Chris R. Somerville

Review author[s]: Katherine Livingston

----------------, pp. 1670-1671

The Cognitive Neurosciences.

Michael S. Gazzaniga

Review author[s]: Katherine Livingston

Books Received, pp. 1671-1672

Back Matter (64 pp.)

Previous Issue: New Series, Vol. 267, No. 5203, Mar. 10, 1995
Next Issue: New Series, Vol. 267, No. 5205, Mar. 24, 1995

Science, New Series, Vol. 267, No. 5205, Mar. 24, 1995

Previous Issue: New Series, Vol. 267, No. 5204, Mar. 17, 1995
Next Issue: New Series, Vol. 267, No. 5206, Mar. 31, 1995

Front Matter (19 pp.)
Editorial: Status of the Department of Energy, p. 1747

Philip H. Abelson

Letters

NAS Management of RERF, pp. 1749-1750

E. William Colglazier; Suzanne H. Woolsey; Paul J. Seligman

African Dinosaur Discoveries, pp. 1750-1753

George Olshevsky; Eric Buffetaut; Gilles Cuny; P. C. Sereno; J. A. Wilson; H. C. E. Larsson; D. B. Dutheil; H.-D. Sues

Crankcase Art?, p. 1753

Debra Jan Bibel

Corrections and Clarifications: AIDS Research Priorities, p. 1753
Corrections and Clarifications: Genetic Decreases in Atrial Natriuretic Peptide and Salt-Sensitive Hypertension, p. 1753
ScienceScope, p. 1755

Richard Stone

News and Comment

Earthly Politics Boosts Space Probe, pp. 1756-1758

Andrew Lawler

NRC Urges Sea Change in Marine Studies, p. 1758

Elizabeth Culotta

House Panel Homes in on NIH, p. 1759

Andrew Lawler; Jeffrey Mervis

Panel Clears NIH in Patient Deaths, p. 1759

Richard Stone

Dinosaur Embryos Spark Excitement, Concern, p. 1760

Claire O'Brien

Uganda Enlists Locals in the Battle to Save the Gorillas, pp. 1761-1762

Rachel Nowak

Fisher Given New Role in Cancer Project, p. 1762

Jane Erikson

WHO Calls for Action Against TB, p. 1763

Rachel Nowak

Fossil Dealers Innocent -- and Guilty, p. 1763

Antonio Regalado

Random Samples, pp. 1764-1765

Constance Holden

Research News

Focusing on the Eyeless Gene, pp. 1766-1767

Marcia Barinaga

Searching for the Spin of the Proton, pp. 1767-1768

Alexander Hellemans

A Close Look at an Active Galaxy's Engine, pp. 1768-1769

John Travis

Tuning Up an Electromagnetic Accordion, p. 1769

James Glanz

Environmental Toxicants Under Scrutiny at Baltimore Meeting, pp. 1770-1771

Richard Stone

Coral Chemistry Leads to Human Bone Repair, p. 1772

Robert Pool

Connexin Knockout Provides a Link to Heart Defects, p. 1773

Amy Stone

Perspectives

Unification of Synchrotron Radiation and Inverse Compton Scattering, pp. 1779-1780

Walter H. G. Lewin; Desmond P. Barber; Pisin Chen

A Rising StAR: An Essential Role in Cholesterol Transport, pp. 1780-1781

Michael R. Waterman

Tyrosine Kinase Inhibition: An Approach to Drug Development, pp. 1782-1788

Alexander Levitzki; Aviv Gazit

Research Article

Induction of Ectopic Eyes by Targeted Expression of the Eyeless Gene in Drosophila, pp. 1788-1792

Georg Halder; Patrick Callaerts; Walter J. Gehring

Reports

Properties of Metallic Nanowires: From Conductance Quantization to Localization, pp. 1793-1795

J. I. Pascual; J. Méndez; J. Gómez-Herrero; A. M. Baró; N. Garcia; Uzi Landman; W. D. Luedtke; E. N. Bogachek; H.-P. Cheng

Skeletal Repair by in Situ Formation of the Mineral Phase of Bone, pp. 1796-1799

Brent R. Constantz; Ira C. Ison; Mark T. Fulmer; Robert D. Poser; Susanne T. Smith; Michelle VanWagoner; John Ross; Steven A. Goldstein; Jesse B. Jupiter; Daniel I. Rosenthal

Spontaneous Magnetic Ordering in the Fullerene Charge-Transfer Salt (TDAE)C ₆₀, pp. 1799-1802

A. Lappas; K. Prassides; K. Vavekis; D. Arcon; R. Blinc; P. Cevc; A. Amato; R. Feyerherm; F. N. Gygax; A. Schenck

Kinetics of Conversion of Air Bubbles to Air Hydrate Crystals in Antarctic Ice, pp. 1802-1804

P. B. Price

Dike Injection and the Formation of Megaplumes at Ocean Ridges, pp. 1804-1807

Robert P. Lowell; Leonid N. Germanovich

Diverse Effects of the Guanine Nucleotide Exchange Factor RCC1 on RNA Transport, pp. 1807-1810

Yan Cheng; James E. Dahlberg; Elsebet Lund

Effect of Predators and Area on Invasion: An Experiment with Island Spiders, pp. 1811-1813

Thomas W. Schoener; David A. Spiller

Demonstration of Positionally Disordered Water Within a Protein Hydrophobic Cavity by NMR, pp. 1813-1817

James A. Ernst; Robert T. Clubb; Huan-Xiang Zhou; Angela M. Gronenborn; G. Marius Clore

DNA Topoisomerase and Recombinase Activities in Nae I Restriction Endonuclease, pp. 1817-1820

Kiwon Jo; Michael D. Topal

Pathogenicity of Live, Attenuated SIV After Mucosal Infection of Neonatal Macaques, pp. 1820-1825

Timothy W. Baba; Yong Seok Jeong; Dominique Penninck; Rod Bronson; Michael F. Greene; Ruth M. Ruprecht

Switch Transcripts in Immunoglobulin Class Switching, pp. 1825-1828

Matthias Lorenz; Steffen Jung; Andreas Radbruch

Role of Steroidogenic Acute Regulatory Protein in Adrenal and Gonadal Steroidogenesis, pp. 1828-1831

Dong Lin; Teruo Sugawara; Jerome F. Strauss III; Barbara J. Clark; Douglas M. Stocco; Paul Saenger; Alan Rogol; Walter L. Miller

Cardiac Malformation in Neonatal Mice Lacking Connexin43, pp. 1831-1834

Andrew G. Reaume; Paul A. de Sousa; Sarang Kulkarni; B. Lowell Langille; Daguang Zhu; Tyler C. Davies; Subhash C. Juneja; Gerald M. Kidder; Janet Rossant

Kinectin, an Essential Anchor for Kinesin-Driven Vesicle Motility, pp. 1834-1837

Janardan Kumar; Hanry Yu; Michael P. Sheetz

1/f Noise in Human Cognition, pp. 1837-1839

D. L. Gilden; T. Thornton; M. W. Mallon

Book Reviews

A Heroine in Her Times, pp. 1842-1843

Marie Curie. A Life.

Susan Quinn

Review author[s]: Ruth Lewin Sime

Neanderthal Carnivory, pp. 1843-1844

Honor Among Thieves. A Zooarchaeological Study of Neandertal Ecology.

Mary C. Stiner

Review author[s]: Richard G. Klein

----------------, p. 1844

Quantum Mechanics. Historical Contingency and the Copenhagen Hegemony.

James T. Cushing

Review author[s]: Paul Forman

----------------, pp. 1844-1845

The Quantum Generation. Highlights and Tragedies of the Golden Age of Physics.

Margarita Ryutova-Kemoklidze

Review author[s]: Paul Forman

Books Received, p. 1845

Back Matter (31 pp.)

Previous Issue: New Series, Vol. 267, No. 5204, Mar. 17, 1995
Next Issue: New Series, Vol. 267, No. 5206, Mar. 31, 1995

Science, New Series, Vol. 267, No. 5206, Mar. 31, 1995

Previous Issue: New Series, Vol. 267, No. 5205, Mar. 24, 1995
Next Issue: New Series, Vol. 268, No. 5207, Apr. 7, 1995

Volume Information (11 pp.)
Front Matter (18 pp.)
Editorial: Glasses and Amorphous Materials, p. 1887

John I. Brauman

Letters

NIH Review of Gene Therapy Protocols, p. 1889

Harold Varmus

Alzheimer Tangles and Abnormal Phosphorylation, pp. 1889-1890

Vernon M. Ingram

Multidisciplinary Activities at the National Science Foundation, p. 1890

Peter Eisenberger; Richard H. Herman

Three-Dimensional Molecular Graphics, pp. 1890-1891

Robert Langridge

Three Presidents, pp. 1891-1893

J. E. P. Connerney; T. Satoh; Harrison H. Barrett; Craig Halvorson; Andrew Hays; Brett Kraabel; Rulian Wu; Fred Wudl; Allan J. Heeger

ScienceScope, p. 1895

Richard Stone

News and Comment

Arguing Over Why Johnny Can't Read, pp. 1896-1898

Wade Roush

Patent Award Stirs a Controversy, p. 1899

Rachel Nowak

Commotion Over E. coli Project, pp. 1899-1900

Antonio Ragalado

Agency Merger Plan Faces High Hurdles, p. 1900

Andrew Lawler

Political Spat Threatens Funding for Basic Research, p. 1901

Elizabeth Gardner

Asian Network Seeks Data Sharing, p. 1902

Dennis Normile

Random Samples, p. 1903

Constance Holden

Research News

Switching On a Brilliant Light, pp. 1904-1906

James Glanz

Taking a First Look at a T Cell Receptor, p. 1906

Claire O'Brien

When It Comes to Evolution, Humans Are in the Slow Class, pp. 1907-1908

Ann Gibbons

The Earliest Art Becomes Older-and More Common, pp. 1908-1909

Virginia Morell

Earth's Solid Iron Core May Skew Its Magnetic Field, pp. 1910-1911

Richard A. Kerr

Pacific Warming Unsettles Ecosystems, pp. 1911-1912

David K. Hill

Hubble Glimpses a Hazy Day on Mars, p. 1912

Richard A. Kerr

Frontiers in Materials Science

News

Nonlinear Competition Heats Up, pp. 1918-1921

Robert F. Service

Blue-Light Special, p. 1920

Antonio Regalado

Paving the Information Superhighway With Plastic, pp. 1921-1922

Robert F. Service

Putting Proteins Under Glass, pp. 1922-1923

Karen Celia Fox

Formation of Glasses from Liquids and Biopolymers, pp. 1924-1935

C. A. Angell

A Topographic View of Supercooled Liquids and Glass Formation, pp. 1935-1939

Frank H. Stillinger

The Microscopic Basis of the Glass Transition in Polymers from Neutron Scattering Studies, pp. 1939-1945

B. Frick; D. Richter

Physical Aging in Polymer Glasses, pp. 1945-1947

Ian M. Hodge

Metallic Glasses, pp. 1947-1953

A. Lindsay Greer

Policy Forum

Science: Opening the Next Chapter of Conservation History, pp. 1954-1955

Bruce Babbitt

Perspective

Hostile Landscapes and the Decline of Migratory Songbirds, pp. 1956-1957

Robert A. Askins

Research Article

Architectures of Class-Defining and Specific Domains of Glutamyl-tRNA Synthetase, pp. 1958-1965

Osamu Nureki; Dmitry G. Vassylyev; Katsuo Katayanagi; Toshiyuki Shimizu; Shun-Ichi Sekine; Takanori Kigawa; Tatsuo Miyazawa; Shigeyuki Yokoyama; Kosuke Morikawa

Reports

Spatially Resolved Visible Luminescence of Self-Assembled Semiconductor Quantum Dots, pp. 1966-1968

R. Leon; P. M. Petroff; D. Leonard; S. Fafard

Design and Application of Electron-Transporting Organic Materials, pp. 1969-1972

Marko Strukelj; Fotis Papadimitrakopoulos; Timothy M. Miller; Lewis J. Rothberg

High-Pressure Elasticity of Iron and Anisotropy of Earth's Inner Core, pp. 1972-1975

Lars Stixrude; R. E. Cohen

Biogeological Mineralization in Deep-Sea Hydrothermal Deposits, pp. 1975-1979

Terri L. Cook; Debra S. Stakes

Atmospheric Methyl Bromide (CH₃Br) from Agricultural Soil Fumigations, pp. 1979-1981

K. Yagi; J. Williams; N.-Y. Wang; R. J. Cicerone

Signatures of the Martian Atmosphere in Glass of the Zagami Meteorite, pp. 1981-1984

K. Marti; J. S. Kim; A. N. Thakur; T. J. McCoy; K. Keil

Crystal Structure of the β Chain of a T Cell Antigen Receptor, pp. 1984-1987

Graham A. Bentley; Ginette Boulot; Klaus Karjalainen; Roy A. Mariuzza

Regional Forest Fragmentation and the Nesting Success of Migratory Birds, pp. 1987-1990

Scott K. Robinson; Frank R. Thompson III; Therese M. Donovan; Donald R. Whitehead; John Faaborg

Requirement of Serine Phosphorylation for Formation of STAT-Promoter Complexes, pp. 1990-1994

Xiaokui Zhang; John Blenis; Heng-Chun Li; Chris Schindler; Selina Chen-Kiang

Switching Recognition of Two tRNA Synthetases with an Amino Acid Swap in a Designed Peptide, pp. 1994-1996

Douglas S. Auld; Paul Schimmel

Rapid Adaptation of Cardiac Ryanodine Receptors: Modulation by Mg ²⁺ and Phosphorylation, pp. 1997-2000

Hector H. Valdivia; Jack H. Kaplan; Graham C. R. Ellis-Davies; W. Jonathan Lederer

Altered Cytokine Export and Apoptosis in Mice Deficient in Interleukin-1β Converting Enzyme, pp. 2000-2003

Keisuke Kuida; Judith A. Lippke; George Ku; Matthew W. Harding; David J. Livingston; Michael S.-S. Su; Richard A. Flavell

Requirement for Phosphatidylinositol-3 Kinase in the Prevention of Apoptosis by Nerve Growth Factor, pp. 2003-2006

Ryoji Yao; Geoffrey M. Cooper

High-Frequency Motility of Outer Hair Cells and the Cochlear Amplifier, pp. 2006-2009

Peter Dallos; Burt N. Evans

Technical Comments

Models of Ca ²⁺ Release Channel Adaptation, pp. 2009-2011

Heping Cheng; Michael Fill; Hector Valdivia; W. J. Lederer; F. Sachs; F. Qin; P. Palade

Book Reviews

Biotic Reshufflings, p. 2012

The Paleobiogeography of China.

Yin Hongfu

Review author[s]: Douglas H. Erwin

A Displaced Cosmology, pp. 2012-2013

The Milky Way Galaxy and Statistical Cosmology, 1890-1924.

Erich Robert Paul

Review author[s]: David DeVorkin

Oil Damage, pp. 2013-2014

Marine Mammals and the Exxon Valdez.

Thomas R. Loughlin

Review author[s]: Roger C. Helm

Book Received, pp. 2014-2016

Inside AAAS, pp. 2018-2019

Diana Pabst

Back Matter (26 pp.)

Previous Issue: New Series, Vol. 267, No. 5205, Mar. 24, 1995
Next Issue: New Series, Vol. 268, No. 5207, Apr. 7, 1995

Science, New Series, Vol. 268, No. 5207, Apr. 7, 1995

Previous Issue: New Series, Vol. 267, No. 5206, Mar. 31, 1995
Next Issue: New Series, Vol. 268, No. 5208, Apr. 14, 1995

Front Matter (42 pp.)
Editorial: International Agriculture, p. 11

Philip H. Abelson

Letters

Cricket Research, pp. 13-14

Robert E. Shafer

Research in Latin America, pp. 14-16

Jorge A. Guimaraes; Alberto J. Solari; Paulo-Tarso Flecha de Lima; Cylon Goncalves da Silva

DES History, pp. 16-17

Frederick N. Andrews

Apology, p. 17

Martin Delaney

ScienceScope, p. 19

Richard Stone

News and Comment

NIH Clinical Center Under Stress, pp. 20-21

Jon Cohen

Genes and Behavior Make an Appearance in the O. J. Trial, pp. 22-23

Jon Cohen

China Tightens Appraisal System, pp. 23-24

Ted Plakfer

Services Target Labs to Save Money, p. 24

Andrew Lawler

Multiauthor Papers on the Rise, p. 25

Antonio Regalado

Gorillas Killed in Ugandan Park, p. 25

Rachel Nowak

Research News

The Incredible Shrinking Laboratory, pp. 26-27

Robert F. Service

An "Off Switch" for Red Blood Cells, pp. 27-28

Wade Roush

Sun's Role in Warming Is Discounted, pp. 28-29

Richard A. Kerr

Telomeres Draw a Crowd at Toronto Cancer Meeting, pp. 29-30

Lisa Seachrist

Physics Festival Brightens Rainy San Jose, pp. 30-31

John Travis

Cause of Fatal Outbreak in Horses and Humans Traced, p. 32

Rachel Nowak

Random Samples, pp. 33+35

Constance Holden

Perspectives

Deep Earthquakes: A Fault Too Big?, pp. 49-50

Seth Stein

Springs for Wings, pp. 50-51

R. McNeill Alexander

Diversification and Extinction in the History of Life, pp. 52-58

M. J. Benton

Research Article

The Seasons, Global Temperature, and Precession, pp. 59-68

David J. Thomson

Reports

Rupture Characteristics of the Deep Bolivian Earthquake of 9 June 1994 and the Mechanism of Deep-Focus Earthquakes, pp. 69-73

Paul G. Silver; Susan L. Beck; Terry C. Wallace; Charles Meade; Stephen C. Myers; David E. James; Randy Kuehnel

The Effect of H₂O on the 410-Kilometer Seismic Discontinuity, pp. 74-76

B. J. Wood

Classical and Quantum Magnetic Phenomena in Natural an Artificial Ferritin Proteins, pp. 77-80

S. Gider; D. D. Awschalom; T. Douglas; S. Mann; M. Chaparala

E5531, a Pure Endotoxin Antagonist of High Potency, pp. 80-83

William J. Christ; Osamu Asano; Andrea L. C. Robidoux; Michel Perez; Yuan Wang; Gloria R. Dubuc; Wendy E. Gavin; Lynn D. Hawkins; Pamela D. McGuinness; Maureen A. Mullarkey; Michael D. Lewis; Yoshito Kishi; Tsutomu Kawata; John R. Bristol; Jeffrey R. Rose; Daniel P. Rossignol; Seiichi Kobayashi; Leharu Hishinuma; Akifumi Kimura; Naoki Asakawa; Kouichi Katayama; Isao Yamatsu

Stretching of a Single Tethered Polymer in a Uniform Flow, pp. 83-87

Thomas T. Perkins; Douglas E. Smith; Ronald G. Larson; Steven Chu

Muscle Efficiency and Elastic Storage in the Flight Motor of Drosophila, pp. 87-90

Michael H. Dickinson; John R. B. Lighton

Herbivory in Asymbiotic Soft Corals, pp. 90-92

Katharina E. Fabricius; Yehuda Benayahu; Amatzia Genin

Native Escherichia coli OmpF Porin Surfaces Probed by Atomic Force Microscopy, pp. 92-94

Frank A. Schabert; Christian Henn; Andreas Engel

A Morbillivirus That Caused Fatal Disease in Horses and Humans, pp. 94-97

Keith Murray; Paul Selleck; Peter Hooper; Alex Hyatt; Allan Gould; Laurie Gleeson; Harvey Westbury; Lester Hiley; Linda Selvey; Barry Rodwell; Peter Ketterer

A Constitutively Active Mutant PTH-PTHrP Receptor in Jansen-Type Metaphyseal Chondrodysplasia, pp. 98-100

Ernestina Schipani; Klaus Kruse; Harald Jüppner

Ras-Dependent Induction of Cellular Responses by Constitutively Active Phosphatidylinositol-3 Kinase, pp. 100-102

Qianjin Hu; Anke Klippel; Anthony J. Muslin; Wendy J. Fantl; Lewis T. Williams

Structure of the Cell Wall Anchor of Surface Proteins in Staphylococcus aureus, pp. 103-106

Olaf Schneewind; Audree Fowler; Kym F. Faull

Antigen-Specific Development of Primary and Memory T Cells in Vivo, pp. 106-111

Michael G. McHeyzer-Williams; Mark M. Davis

Processing of Complex Sounds in the Macaque Nonprimary Auditory Cortex, pp. 111-114

Josef P. Rauschecker; Biao Tian; Marc Hauser

Technical Comments

Envelope V2 Configuration and HIV-1 Phenotype: Clarification, p. 115

Hanneke Schuitemaker; Ron A. M. Fouchier; Silvia Broersen; Martijn Groenink; Maarten Koot; Angelique B. van't Wout; Han G. Huisman; Matthijs Tersmette; Frank Miedema

T Cell Receptor-MHC Class I Peptide Interactions: Affinity, Kinetics, and Specificity, pp. 115-117

Robert J. Fisher; Matthew Fivash; Maripat Corr; Alfred E. Slanetz; Lisa F. Boyd; Marie T. Jelonek; Sergei Khilko; Basel K. Al-Ramaadi; Young Sang Kim; Stephen E. Maher; Alfred L. M. Bothwell; David H. Margulies

Book Reviews

A Tectonic Amalgamation, pp. 134-135

Geology of Western Gondwana (2000-500 Ma). Pan-African-Brasiliano Aggregation of South America and Africa.

Roland Trompette

Review author[s]: E. M. Moores

Zoological Ventures, pp. 135-136

Nature, the Exotic, and the Science of French Colonialism.

Michael A. Osborne

Review author[s]: Camille Limoges

Books Received, p. 136

Back Matter (36 pp.)

Previous Issue: New Series, Vol. 267, No. 5206, Mar. 31, 1995
Next Issue: New Series, Vol. 268, No. 5208, Apr. 14, 1995

Science, New Series, Vol. 268, No. 5208, Apr. 14, 1995

Previous Issue: New Series, Vol. 268, No. 5207, Apr. 7, 1995
Next Issue: New Series, Vol. 268, No. 5209, Apr. 21, 1995

Front Matter (31 pp.)
Editorial: Signals and Communication, p. 183

L. Bryan Ray

Letters

Chimpanzee Kinship, pp. 185-188

C. J. Jolly; J. F. Oates; T. R. Disotell; Phillip A. Morin; James J. Moore; David S. Woodruff

The Theory of DNA Bending, p. 188

Gerald S. Manning

Biotech Patents and "Usefulness", pp. 188-189

Stephen A. Bent; Paul M. Booth; Karen Kaechele Costantino; Phillip B. C. Jones; Gary L. Shaffer; Melvin Blecher; John P. Isacson; Richard C. Peet

Low-Barrier Hydrogen Bonds, p. 189

Perry A. Frey

ScienceScope, p. 191

Richard Stone

News and Comment

OSTP: A Mixed Midterm Report, pp. 192-194

Andrew Lawler

Committee, Anyone?, p. 193

Jeffrey Mervis

U.S. Tells CERN to Wait for Support, p. 195

Jeffrey Mervis; Daniel Clery

Senate Votes R&D Cuts, ATP Trimmed, p. 195

Jeffrey Mervis

Claim-Jumping Charges Ignite Controversy at Meeting, pp. 196-197

Ann Gibbons

Rio Signatories to Negotiate New Goals, p. 197

Robert Koenig

Amateur Fossil Hunters Dig Up Trouble in Montana, pp. 198-199

Carol Potera

Research News

Dendrites Shed Their Dull Image, pp. 200-201

Marcia Barinaga

Extreme Ultraviolet Satellites Open New View of the Sky, pp. 202-203

Donald Goldsmith

Found: Ash From the First Stars?, pp. 203-204

James Glanz

Trypanosome Mystery Solved?, p. 204

Karen Schmidt

Cytokines Move From the Margins Into the Spotlight, pp. 205-206

Michael Balter

Random Samples, pp. 207+209

Constance Holden

Signal Transduction

Protein Lipidation in Cell Signaling, pp. 221-225

Patrick J. Casey

Notch Signaling, pp. 225-232

Spyros Artavanis-Tsakonas; Kenji Matsuno; Mark E. Fortini

Integrins and Signal Transduction Pathways: The Road Taken, pp. 233-239

Edwin A. Clark; Joan S. Brugge

Calcium Signaling in Neurons: Molecular Mechanisms and Cellular Consequences, pp. 239-247

Anirvan Ghosh; Michael E. Greenberg

Localization of Protein Kinases by Anchoring Proteins: A Theme in Signal Transduction, pp. 247-251

Daria Mochly-Rosen

Cytokine Signaling Through Nonreceptor Protein Tyrosine Kinases, pp. 251-255

Tadatsugu Taniguchi

Policy Forum

A Temporary Bridge, pp. 261-262

James Roberts

Perspectives

Tyrosine Phosphatases and the Antibody Response, pp. 263-264

Anthony L. DeFranco; Debbie A. Law

Green Fluorescent Pets, p. 264

Douglas C. Youvan

Reports

Spin Crossover in a Catenane Supramolecular System, pp. 265-267

José Antonio Real; Enrique Andrés; M. Carmen Muñoz; Miguel Julve; Thierry Granier; Azzedine Bousseksou; François Varret

Imaging the Condensation and Evaporation of Molecularly Thin Films of Water with Nanometer Resolution, pp. 267-269

J. Hu; X.-D. Xiao; D. F. Ogletree; M. Salmeron

Organic Transistors: Two-Dimensional Transport and Improved Electrical Characteristics, pp. 270-271

A. Dodabalapur; L. Torsi; H. E. Katz

A Strategy for the Chemical Synthesis of Nanostructures, pp. 272-273

Wolfgang T. Müller; David L. Klein; Thomas Lee; John Clarke; Paul L. McEuen; Peter G. Schultz

Testing Cosmogonic Models with Gravitational Lensing, pp. 274-276

Joachim Wambsganss; Renyue Cen; Jeremiah P. Ostriker; Edwin L. Turner

Imaging the Pore Structure of Geomaterials, pp. 276-279

J. T. Fredrich; B. Menéndez; T.-F. Wong

A Modular Steel Freeway Bridge: Design Concept and Earthquake Resistance, pp. 279-281

W. H. Wattenburg; D. B. McCallen; R. C. Murray

Specific DNA-RNA Hybrid Binding by Zinc Finger Proteins, pp. 282-284

Yigong Shi; Jeremy M. Berg

Killing of Trypanosomes by the Human Haptoglobin-Related Protein, pp. 284-286

Andrea B. Smith; Jeffrey D. Esko; Stephen L. Hajduk

Identification of a Dual Specificity Kinase That Activates the Jun Kinases and p38-Mpk2, pp. 286-290

Anning Lin; Audrey Minden; Horacio Martinetto; Francois-Xavier Claret; Carol Lange-Carter; Frank Mercurio; Gary L. Johnson; Michael Karin

Crystal Structure of the Mammalian Grb2 Adaptor, pp. 291-293

Sébastien Maignan; Jean-Pierre Guilloteau; Nadine Fromage; Bernadette Arnoux; Jérôme Becquart; Arnaud Ducruix

Recruitment and Activation of PTP1C in Negative Regulation of Antigen Receptor Signaling by FcγRIIB1, pp. 293-297

Daniele D'Ambrosio; Keli L. Hippenst; Stacey A. Minskoff; Ira Mellman; Giovanni Pani; Kathy A. Siminovitch; John C. Cambier

Activity-Dependent Action Potential Invasion and Calcium Influx into Hippocampal CA1 Dendrites, pp. 297-300

Nelson Spruston; Yitzhak Schiller; Greg Stuart; Bert Sakmann

Synaptic Activation of Voltage-Gated Channels in the Dendrites of Hippocampal Pyramidal Neurons, pp. 301-304

Jeffrey C. Magee; Daniel Johnston

Silver as a Probe of Pore-Forming Residues in a Potassium Channel, pp. 304-307

Qiang Lü; Christopher Miller

Revealing the Architecture of a K⁺ Channel Pore Through Mutant Cycles with a Peptide Inhibitor, pp. 307-310

Patricia Hidalgo; Roderick MacKinnon

Book Reviews

Botanical Scaling, pp. 313-314

Plant Allometry. The Scaling of Form and Process.

Karl J. Niklas

Review author[s]: Thomas J. Givnish

----------------, p. 314

The Molecular Basis of Cancer.

John Mendelsohn; Peter M. Howley; Mark A. Israel; Lance A. Liotta

Review author[s]: Katherine Livingston

----------------, pp. 314-315

Cell Physiology Source Book.

Nicholas Sperelakis

Review author[s]: Katherine Livingston

Books Received, p. 315

Back Matter (21 pp.)

Previous Issue: New Series, Vol. 268, No. 5207, Apr. 7, 1995
Next Issue: New Series, Vol. 268, No. 5209, Apr. 21, 1995

Science, New Series, Vol. 268, No. 5209, Apr. 21, 1995

Previous Issue: New Series, Vol. 268, No. 5208, Apr. 14, 1995
Next Issue: New Series, Vol. 268, No. 5210, Apr. 28, 1995

Front Matter (13 pp.)
Editorial: The Pharmacia Biotech & Science Prize, p. 347

Daniel E. Koshland Jr.

Letters

Guidelines for Xenotransplantation, p. 349

Ralph B. Dell; Donald S. Kornfeld

U.S. Neutron Sources, pp. 349-350

J. Michael Rowe; Louis Ianniello

AIDS Data, pp. 350-352

Peter Duesberg; Michael S. Ascher; Haynes W. Sheppard; Warren Winkelstein Jr.

Cell Cycle Arrest, p. 352

Richard Steinman; Barbara Hoffman; Dan A. Liebermann; Paul B. Fisher

"More" Is Not "Different", p. 352

Ulrich Melcher

Sampling Zooplankton: Correction, pp. 352-353

Dean Roemmich; John McGowan

ScienceScope, p. 355

Richard Stone

News and Comment

A Molecular Approach to Cancer Risk, pp. 356-357

Richard Stone

Report Advocates "Value-Added" Ph.D, p. 358

Constance Holden

Academy Fends Off Charges of Bias, pp. 358-359

Andrew Lawler

In the U.S., Engineers Oust Old Regime, p. 359

Eliot Marshall

NASA, Academy to Re-Examine EOS, p. 360

Andrew Lawler

Germans Buy Nature's Publisher, p. 360

Rachel Nowak

NASA Panel Would Drop Ames Lab, p. 361

Andrew Lawler

Partisan Politics Comes to the Fore, p. 361

Andrew Lawler; Eliot Marshall

Research News

Antibodies Linked to Rare Epilepsy, pp. 362-363

Marcia Barinaga

U.S. Climate Tilts Toward the Greenhouse, pp. 363-364

Richard A. Kerr

Anthropologists Overturn Old Ideas About New Developments, pp. 364-365

Elizabeth Culotta

Dwarfs and Dim Galaxies Mark Limits of Knowledge, pp. 366-367

Alexander Hellemans

Researchers Find Molecules That Muzzle Killer Cells, pp. 367-368

Marcia Barinaga

New Hope Against Blindness, pp. 368-369

Jon Cohen

Random Samples, p. 371

Constance Holden

Perspectives

Pas de Deux or More: The Sulfonylurea Receptor and K⁺ Channels, pp. 372-373

Louis H. Philipson; Donald F. Steiner

Adaptive Mutation: Who's Really in the Garden?, pp. 373-374

James A. Shapiro

The Silica Balance in the World Ocean: A Reestimate, pp. 375-379

Paul Tréguer; David M. Nelson; Aleido J. Van Bennekom; David J. DeMaster; Aude Leynaert; Bernard Quéguiner

Research Article

Mercury-199 NMR of the Metal Receptor Site in MerR and Its Protein-DNA Complex, pp. 380-385

Lisa M. Utschig; James W. Bryson; Thomas V. O'Halloran

Reports

Continent-Ocean Chemical Heterogeneity in the Mantle Based on Seismic Tomography, pp. 386-388

Alessandro M. Forte; Adam M. Dziewonski; Richard J. O'Connell

Selectivity of End-Cretaceous Marine Bivalve Extinctions, pp. 389-391

David Jablonski; David M. Raup

Seismic Images of Active Magma Systems Beneath the East Pacific Rise Between 17°05′ and 17°35′S, pp. 391-395

John C. Mutter; Suzanne M. Carbotte; Wusi Su; Liqing Xu; Peter Buhl; Robert S. Detrick; Graham M. Kent; John A. Orcutt; Alistair J. Harding

The Collapse of Free Polymer Chains in a Network, pp. 395-397

Robert M. Briber; Xiaodu Liu; Barry J. Bauer

High-Temperature Molecular Magnets Based on Cyanovanadate Building Blocks: Spontaneous Magnetization at 230 K, pp. 397-400

William R. Entley; Gregory S. Girolami

Orientational and Magnetic Ordering of Buckyballs in TDAE-C ₆₀, pp. 400-402

D. Mihailovic; D. Arcon; P. Venturini; R. Blinc; A. Omerzu; P. Cevc

Superantigen-Dependent, Cell-Mediated Cytotoxicity Inhibited by MHC Class I Receptors on T Lymphocytes, pp. 403-405

Joseph H. Phillips; Jenny E. Gumperz; Peter Parham; Lewis L. Lanier

Cloning of Immunoglobulin-Superfamily Members Associated with HLA-C and HLA-B Recognition by Human Natural Killer Cells, pp. 405-408

Marco Colonna; Jacqueline Samaridis

The Role of Igβ in Precursor B Cell Transition and Allelic Exclusion, pp. 408-411

Fotini Papavasiliou; Ziva Misulovin; Heikyung Suh; Michel C. Nussenzweig

FAP-1: A Protein Tyrosine Phosphatase That Associates with Fas, pp. 411-415

Takaaki Sato; Shinji Irie; Shinichi Kitada; John C. Reed

Initiation of Protein Synthesis by the Eukaryotic Translational Apparatus on Circular RNAs, pp. 415-417

Chang-you Chen; Peter Sarnow

Adaptive Mutation in Escherichia coli: A Role for Conjugation, pp. 418-420

J. Pablo Radicella; Peter U. Park; Maurice S. Fox

Evidence That F Plasmid Transfer Replication Underlies Apparent Adaptive Mutation, pp. 421-423

Timothy Galitski; John R. Roth

Cloning of the β Cell High-Affinity Sulfonylurea Receptor: A Regulator of Insulin Secretion, pp. 423-426

Lydia Aguilar-Bryan; Colin G. Nichols; Sérgio W. Wechsler; John P. Clement IV; A. E. Boyd III; Gabriela González; Haydée Herrera-Sosa; Kimberly Nguy; Joseph Bryan; Daniel A. Nelson

Mutations in the Sulfonylurea Receptor Gene in Familial Persistent Hyperinsulinemic Hypoglycemia of Infancy, pp. 426-429

Pamela M. Thomas; Gilbert J. Cote; Nelson Wohllk; Bassem Haddad; P. M. Mathew; Wolfgang Rabl; Lydia Aguilar-Bryan; Robert F. Gagel; Joseph Bryan

Induction of Apoptosis in Uninfected Lymphocytes by HIV-1 Tat Protein, pp. 429-431

Chiang J. Li; David J. Friedman; Chuanlin Wang; Valeri Metelev; Arthur B. Pardee

FGF Binding and FGF Receptor Activation by Synthetic Heparan-Derived Di- and Trisaccharides, pp. 432-436

David M. Ornitz; Andrew B. Herr; Marianne Nilsson; Jacob Westman; Carl-Magnus Svahn; Gabriel Waksman

Measurement of Interhelical Electrostatic Interactions in the GCN4 Leucine Zipper, pp. 436-439

Kevin J. Lumb; Peter S. Kim

Nicotinic Receptor Binding Site Probed with Unnatural Amino Acid Incorporation in Intact Cells, pp. 439-442

Mark W. Nowak; Patrick C. Kearney; Jeffrey R. Sampson; Margaret E. Saks; Cesar G. Labarca; Scott K. Silverman; Wenge Zhong; Jon Thorson; John N. Abelson; Norman Davidson; Peter G. Schultz; Dennis A. Dougherty; Henry A. Lester

Technical Comments

Patterns of Human Growth, pp. 442-447

Claudine Heinrichs; Peter J. Munson; Debra R. Counts; Gordon B. Cutler Jr.; Jeffrey Baron; Michelle Lampl; Noël Cameron; Johannes D. Veldhuis; Michael L. Johnson

Variability Among Human Umbilical Vein Endothelial Cultures, pp. 447-448

Cornelius A. Watson; Louise Camera-Benson; Rebecca Palmer-Crocker; Jordan S. Pober; A. E. Koch; P. J. Polverini; S. L. Kunkel; L. A. Harlow; L. A. DiPietro; V. M. Elner; S. G. Elner; R. M. Strieter

Book Reviews

Intracellular Structures, p. 449

Microtubules.

Jeremy S. Hyams; Clive W. Lloyd

Review author[s]: Patricia Wadsworth

----------------, pp. 449-450

Mechanisms of Protein Folding.

Roger H. Pain

Review author[s]: Katherine Livingston

----------------, p. 450

Aotus. The Owl Monkey.

Janet F. Baer; Richard E. Weller; Ibulaimu Kakoma

Review author[s]: Katherine Livingston

----------------, p. 450

Dating in Exposed and Surface Contexts.

Charlotte Beck

Review author[s]: Katherine Livingston

Books Received, p. 451

Back Matter (17 pp.)

Previous Issue: New Series, Vol. 268, No. 5208, Apr. 14, 1995
Next Issue: New Series, Vol. 268, No. 5210, Apr. 28, 1995

Science, New Series, Vol. 268, No. 5210, Apr. 28, 1995

Previous Issue: New Series, Vol. 268, No. 5209, Apr. 21, 1995
Next Issue: New Series, Vol. 268, No. 5211, May 5, 1995

Front Matter (27 pp.)
Editorial: Noitall Seeks New Horizons, p. 479

Daniel E. Koshland Jr.

Letters

On the Potential of Molecular Computing, pp. 481-484

Michal Linial; Nathan Linial; Y.-M. D. Lo; K. F. C. Yiu; S. L. Wong; Barry Bunow; Leonard M. Adleman

Gravitational Theory, pp. 484-485

Carroll O. Alley; Hüseyin Yilmaz

Rosetta: An ESA Mission, p. 485

R. M. Bonnet

Corrections and Clarifications: Evidence from 18S Ribosomal DNA that the Lophophorates are Protostome Animals, p. 485
Corrections and Clarifications: Random Samples, p. 485
ScienceScope, p. 487

Richard Stone

News and Comment

Cold War Rivals Find Common Ground, pp. 488-491

Gary Taubes

ESO and Chile Begin to Clear the Air, pp. 491-492

Daniel Clery

U.K. Panel Weighs Tissue Ownership, p. 492

Claire O'Brien

U.S., Europe Clash Over Plan To Set Policy on Data Access, p. 493

Andrew Lawler

Multiple 'SIDS' Case Ruled Murder, p. 494

Ginger Pinholster

Companies Fear FDA Rule on Antibodies, p. 494

Richard Stone

Research News

Old Dates for Modern Behavior, pp. 495-496

Ann Gibbons

Forecasting the Northern Lights, pp. 496-497

James Glanz

NASA's Space Biology Program Shows Signs of Life, pp. 497-498

Rachel Nowak

A Boom in Plans for DNA Computing, pp. 498-499

Robert Pool

Chemists Self-Assemble in Southern California, pp. 500-501

Robert F. Service

Catching Fly Balls: A New Model Steps Up to the Plate, p. 502

Barry Cipra

Random Samples, pp. 503+505

Constance Holden

Policy Forum

Economic Growth, Carrying Capacity, and the Environment, pp. 520-521

Kenneth Arrow; Bert Bolin; Robert Costanza; Partha Dasgupta; Carl Folke; C. S. Holling; Bengt-Owe Jansson; Simon Levin; Karl-Göran Mäler; Charles Perrings; David Pimentel

Perspectives

Functions of the Proteasome: The Lysis at the End of the Tunnel, pp. 522-523

Alfred L. Goldberg

From the Cradle to the Grave: Ring Complexes in the Life of a Protein, pp. 523-524

Jonathan S. Weissman; Paul B. Sigler; Arthur L. Horwich

In from the Cold: Prospects for Conversion of the Defense Industrial Base, pp. 525-532

Maryellen R. Kelley; Todd A. Watkins

Research Article

Crystal Structure of the 20S Proteasome from the Archaeon T. acidophilum at 3.4 Å Resolution, pp. 533-539

Jan Löwe; Daniela Stock; Bing Jap; Peter Zwickl; Wolfgang Baumeister; Robert Huber

Reports

Discovery of an Unmelted H-Chondrite Inclusion in an Iron Metorite, pp. 540-542

Ignacio Casanova; Thomas Graf; Kurt Marti

DNA Solution of Hard Computational Problems, pp. 542-545

Richard J. Lipton

Computation Beyond the Turing Limit, pp. 545-548

Hava T. Siegelmann

Dating and Context of Three Middle Stone Age Sites with Bone Points in the Upper Semliki Valley, Zaire, pp. 548-553

Alison S. Brooks; David M. Helgren; Jon S. Cramer; Alan Franklin; William Hornyak; Jody M. Keating; Richard G. Klein; William J. Rink; Henry Schwarcz; J. N. Leith Smith; Kathlyn Stewart; Nancy E. Todd; Jacques Verniers; John E. Yellen

A Middle Stone Age Worked Bone Industry from Katanda, Upper Semliki Valley, Zaire, pp. 553-556

John E. Yellen; Alison S. Brooks; Els Cornelissen; Michael J. Mehlman; Kathlyn Stewart

Crystal Structure of DCoH, a Bifunctional, Protein-Binding Transcriptional Coactivator, pp. 556-559

James A. Endrizzi; Jeff D. Cronk; Weidong Wang; Gerald R. Crabtree; Tom Alber

Masking of the CBF1/RBPJ _κ Transcriptional Repression Domain by Epstein-Barr Virus EBNA2, pp. 560-563

James J.-D. Hsieh; S. Diane Hayward

Expression Cloning of a Protective Leishmania Antigen, pp. 563-566

Evelyne Mougneau; Frédéric Altare; Adil E. Wakil; Shichun Zheng; Thierry Coppola; Zhi-En Wang; Rainer Waldmann; Richard M. Locksley; Nicholas Glaichenhaus

Role of B61, the Ligand for the Eck Receptor Tyrosine Kinase, in TNF- α-Induced Angiogenesis, pp. 567-569

Akhilesh Pandey; Haining Shao; Rory M. Marks; Peter J. Polverini; Vishva M. Dixit

How Baseball Outfielders Determine Where to Run to Catch Fly Balls, pp. 569-573

Michael K. McBeath; Dennis M. Shaffer; Mary K. Kaiser

Potentiated Necrosis of Cultured Cortical Neurons by Neurotrophins, pp. 573-575

Jae-Young Koh; Byoung J. Gwag; Doug Lobner; Dennis W. Choi

In Vivo Functional Analysis of the Ras Exchange Factor Son of Sevenless, pp. 576-579

Chris A. Karlovich; Laura Bonfini; Linda McCollam; Ronald D. Rogge; Andrea Daga; Michael P. Czech; Utpal Banerjee

Proteasome from Thermoplasma acidophilum: A Threonine Protease, pp. 579-582

Erika Seemüller; Andrei Lupas; Daniela Stock; Jan Löwe; Robert Huber; Wolfgang Baumeister

Technical Comments

Herpes-Like Sequences in HIV-Infected and Uninfected Kaposi's Sarcoma Patients, pp. 582-583

John A. Ambroziak; David J. Blackbourn; Brian G. Herndier; Richard G. Glogau; John H. Gullett; Alex R. McDonald; Evelyne T. Lennette; Jay A. Levy

Building an Associative Memory Vastly Larger Than the Brain, pp. 583-585

Eric B. Baum

Neutrophils and Drug Metabolism, pp. 585-586

Sherko von Schmiedeberg; Carsten Goebel; Ernst Gleichmann; Jack Uetrecht; Robert L. Rubin

Thumbs, Tools, and Early Humans, pp. 586-589

W. C. McGrew; Mark W. Hamrick; Sandra E. Inouye; James C. Ohman; Melissa Slanina; Gail Baker; Robert P. Mensforth; Randall L. Susman

Inside AAAS, pp. 590-591

Diana Pabst

Back Matter (17 pp.)

Previous Issue: New Series, Vol. 268, No. 5209, Apr. 21, 1995
Next Issue: New Series, Vol. 268, No. 5211, May 5, 1995

Science, New Series, Vol. 268, No. 5211, May 5, 1995

Previous Issue: New Series, Vol. 268, No. 5210, Apr. 28, 1995
Next Issue: New Series, Vol. 268, No. 5212, May 12, 1995

Front Matter (22 pp.)
Editorial: The Koshland Years-A Decade of Progress, p. 619

Floyd E. Bloom

Letters

Musical Ability, pp. 621-622

Oliver Sacks; G. Schlaug; L. Jäncke; Y. Huang; H. Steinmetz

World Wide Web and Molecular Biology, pp. 622-623

Steven E. Brenner; Bruce R. Schatz

Darwin in the Headlines, p. 624

Joseph D. McInerney; Thomas H. Jukes

No Perpetual Motion Machine, p. 624

Malcolm E. Davis

An Ominous Blooding?, pp. 624-625

Thomas E. Goffman

Corrections and Clarifications: Springs for Wings, p. 625
Corrections and Clarifications: Architectures of Class-Defining and Specific Domains of Glutamyl-tRNA Synthetase, p. 625
Corrections and Clarifications: Prehistoric Extinction of Pacific Island Birds: Biodiversity Meets Zooarchaeology, p. 625
ScienceScope, p. 627

Richard Stone

News and Comment

Regulating Cyberspace, pp. 628-629

Charles Mann

Red Squirrels 2, Astronomers 0, p. 630

Jeffrey Mervis

FDA Puts the Brakes on Xenotransplants, pp. 630-631

Rachel Nowak

Rockefeller Strikes Fat Deal With Amgen, p. 631

Richard Stone

NIMH: Caught in the Line of Fire Without a General, p. 632

Eliot Marshall

NIH Names Behavioral Research Czar, p. 632

C. H.

Topnotch, Targeted Research Propels National University, pp. 633-634

June Kinoshita

Research News

How Far Did the West Wander?, pp. 635-637

Richard A. Kerr

Envisioning an Artificial Retina, pp. 637-638

Wade Roush

Dioxin Receptor Knocked Out, pp. 638-639

Richard Stone

Throwing a Switch on a Nanoscale Sieve, p. 639

Robert Pool

Physics Finds a Middle Ground At Washington Meeting, pp. 640-641

Antonio Regalado; Tim Appenzeller

A Clearer View of Why Plants Make Haze, pp. 641-642

Christine Mlot

EROS, MACHO, And OGLE Net A Haul of Data, pp. 642-643

James Glanz

New Superconductor Stands Up to Magnetic Fields, p. 644

Robert F. Service

Random Samples, pp. 645+647

Constance Holden

Frontiers in Biotechnology: Emerging Plant Science

[Introduction], p. 653

Pamela J. Hines; Jean Marx

News

Will Plants Profit From High CO₂?, pp. 654-656

Elizabeth Culotta

Sweeping Patents Put Biotech Companies on the Warpath, pp. 656-658

Richard Stone

Exploring Transgenic Plants As a New Vaccine Source, pp. 658-660

Anne Simon Moffat

Molecular Genetics of Plant Disease Resistance, pp. 661-667

Brian J. Staskawicz; Frederick M. Ausubel; Barbara J. Baker; Jeffrey G. Ellis; Jonathan D. G. Jones

The Ethylene Signal Transduction Pathway in Plants, pp. 667-675

Joseph R. Ecker

Phytochromes: Photosensory Perception and Signal Transduction, pp. 675-680

Peter H. Quail; Margaret T. Boylan; Brian M. Parks; Timothy W. Short; Yong Xu; Doris Wagner

Modification of Plant Lipid Synthesis, pp. 681-686

Reinhard Töpfer; Norbert Martini; Jeff Schell

Cosuppression, Flower Color Patterns, and Metastable Gene Expression States, pp. 686-691

Richard A. Jorgensen

Policy Forum

Science in Russia Is Already in a Coma, pp. 693-694

Vladimir Zakharov; Vladimir Fortov

Perspective

Regulation by Redox Poise in Chloroplasts, pp. 695-696

Charles S. Levings III; James N. Siedow

Reports

Loss of Atmosphere from Mars Due to Solar Wind-Induced Sputtering, pp. 697-699

D. M. Kass; Y. L. Yung

Metal Nanotubule Membranes with Electrochemically Switchable Ion-Transport Selectivity, pp. 700-702

Matsuhiko Nishizawa; Vinod P. Menon; Charles R. Martin

Prebiotic Synthesis of 5-Substituted Uracils: A Bridge Between the RNA World and the DNA-Protein World, pp. 702-705

Michael P. Robertson; Stanley L. Miller

A Reevaluation of the Ozone Budget with HALOE UARS Data: No Evidence for the Ozone Deficit, pp. 705-708

P. J. Crutzen; J.-U. Groo<trans>SS</trans><utf>ß</utf>; C. Brühl; R. Müller; J. M. Russell III

Global Mean Sea Level Variations from TOPEX/POSEIDON Altimeter Data, pp. 708-710

R. S. Nerem

Interannual and Interdecadal Variability in 335 Years of Central England Temperatures, pp. 710-713

G. Plaut; M. Ghil; R. Vautard

Oral Immunization with a Recombinant Bacterial Antigen Produced in Transgenic Plants, pp. 714-716

Tariq A. Haq; Hugh S. Mason; John D. Clements; Charles J. Arntzen

Generation and Assembly of Secretory Antibodies in Plants, pp. 716-719

Julian K.-C. Ma; Andrew Hiatt; Mich Hein; Nicholas D. Vine; Fei Wang; Paul Stabila; Craig van Dolleweerd; Keith Mostov; Thomas Lehner

Generation of Memory B Cells and Plasma Cells in Vitro, pp. 720-722

Christophe Arpin; Julie Déchanet; Cees Van Kooten; Pierre Merville; Géraldine Grouard; Francine Brière; Jacques Banchereau; Yong-Jun Liu

Immune System Impairment and Hepatic Fibrosis in Mice Lacking the Dioxin- Binding Ah Receptor, pp. 722-726

Pedro Fernandez-Salguero; Thierry Pineau; David M. Hilbert; Timothy McPhail; Susanna S. T. Lee; Shioko Kimura; Daniel W. Nebert; Stuart Rudikoff; Jerrold M. Ward; Frank J. Gonzalez

Inhibition of Proteasome Activities and Subunit-Specific Amino-Terminal Threonine Modification by Lactacystin, pp. 726-731

Gabriel Fenteany; Robert F. Standaert; William S. Lane; Soongyu Choi; E. J. Corey; Stuart L. Schreiber

Translational Suppression by Trinucleotide Repeat Expansion at FMR1, pp. 731-734

Yue Feng; Fuping Zhang; Laurie K. Lokey; Jane L. Chastain; Lisa Lakkis; Derek Eberhart; Stephen T. Warren

Release of Ca ²⁺ from Individual Plant Vacuoles by Both InsP₃ and Cyclic ADP-Ribose, pp. 735-737

Gethyn J. Allen; Shelagh R. Muir; Dale Sanders

Mismatch Repair Deficiency in Phenotypically Normal Human Cells, pp. 738-740

Ramon Parsons; Guo-Min Li; Matthew Longley; Paul Modrich; Bo Liu; Theresa Berk; Stanley R. Hamilton; Kenneth W. Kinzler; Bert Vogelstein

Book Reviews

A Legendary Thinker, p. 744

Hypatia of Alexandria.

Maria Dzielska

Review author[s]: Wilbur R. Knorr

----------------, pp. 744-745

The Chocolate Tree. A Natural History of Cacao.

Allen M. Young

Review author[s]: Katherine Livingston

----------------, p. 745

The Biology of Tardigrades.

Ian M. Kinchin

Review author[s]: Katherine Livingston

Books Received, p. 746

Back Matter (26 pp.)

Previous Issue: New Series, Vol. 268, No. 5210, Apr. 28, 1995
Next Issue: New Series, Vol. 268, No. 5212, May 12, 1995

Science, New Series, Vol. 268, No. 5212, May 12, 1995

Previous Issue: New Series, Vol. 268, No. 5211, May 5, 1995
Next Issue: New Series, Vol. 268, No. 5213, May 19, 1995

Front Matter (35 pp.)
Editorial: Degrees of Uncertainty, p. 783

Floyd E. Bloom

Letters

Impetus for NSF Policy, p. 785

Donald N. Langenberg

Who Survived the Cretaceous?, p. 785

Daniel H. Janzen

Authorship Criteria, pp. 785-786

Jerome P. Kassirer

EPA and Biotechnology Regulation, p. 786

Lynn R. Goldman

Reading Disability, Attention-Deficit Hyperactivity Disorder, and the Immune System, pp. 786-788

Reed P. Warren; J. Dennis Odell; W. Louise Warren; Roger A. Burger; Alma Maciulis; Wayne W. Daniels; Anthony R. Torres; Lon R. Cordon; Shelley D. Smith; David W. Fulker; William J. Kimberling; Bruce F. Pennington; John C. DeFries

Amorphous Stability and Trehalose, p. 788

Camilo Colaco; Jaap Kampinga; Bruce Roser

Noncoding DNA, Zipf's Law, and Language, p. 789

Andrzej K. Konopka; Colin Martindale

Corrections and Clarifications: Continent-Ocean Chemical Heterogeneity in the Mantle Based on Seismic Tomography, p. 789
ScienceScope, p. 791

Richard Stone

News and Comment

Dispute Splits Schizophrenia Study, pp. 792-794

Eliot Marshall

O'Leary Takes Swipe at Bureaucracy, p. 794

Andrew Lawler

U.K. Tries to Set Priorities with the Benefit of Foresight, pp. 795-796

Nigel Williams

Russian Arctic Battles Pipeline Leak, pp. 796-797

Richard Stone

Chiba's Heavy-Ion Accelerator Battles Cancer and Critics, pp. 797-798

Dennis Normile

Research News

New Clue to Prostate Cancer Spread, pp. 799-800

Jean Marx

Battle is Joined Over Gamma Bursts, pp. 800-801

Tim Appenzeller

Study Unveils Climate Cooling Caused by Pollutant Haze, p. 802

Richard A. Kerr

Researchers Get a Sharper Image of the Human Brain, pp. 803-804

Marcia Barinaga

Keeping the Kilo From Gaining Weight, p. 804

Sally Croft

Umbilical Cords: Turning Garbage Into Clinical Gold, pp. 805-806

Clare Thompson

New Compounds Make Light of Pests, p. 806

Robert F. Service

Random Samples, pp. 807+809

Constance Holden

Policy Forum

The World's Forests: Need For a Policy Appraisal, pp. 823-824

Norman Myers

Perspectives

Neuropeptides, Adenylyl Cyclase, and Memory Storage, pp. 825-826

Eric Kandel; Ted Abel

A Fixation with Fixation, pp. 827-828

G. J. Leigh

From Microwave Anisotropies to Cosmology, pp. 829-835

Douglas Scott; Joseph Silk; Martin White

Research Article

Conversion of Xenopus Ectoderm into Neurons by NeuroD, a Basic Helix-Loop- Helix Protein, pp. 836-844

Jacqueline E. Lee; Stanley M. Hollenberg; Lauren Snider; David L. Turner; Naomi Lipnick; Harold Weintraub

Reports

Aligned Carbon Nanotube Films: Production and Optical and Electronic Properties, pp. 845-847

Walt A. de Heer; W. S. Bacsa; A. Châtelain; T. Gerfin; R. Humphrey-Baker; L. Forro; D. Ugarte

Phonons Localized at Step Edges: A Route to Understanding Forces at Extended Surface Defects, pp. 847-850

L. Niu; D. J. Gaspar; S. J. Sibener

Seismic Evidence for an Earthquake Nucleation Phase, pp. 851-855

W. L. Ellsworth; G. C. Beroza

Late Triassic Turtles from South America, pp. 855-858

Guillermo W. Rougier; Marcelo S. de la Fuente; Andrea B. Arcucci

Serpentine Stability to Mantle Depths and Subduction-Related Magmatism, pp. 858-861

Peter Ulmer; Volkmar Trommsdorff

Dinitrogen Cleavage by a Three-Coordinate Molybdenum (III) Complex, pp. 861-863

Catalina E. Laplaza; Christopher C. Cummins

CD1 Recognition by Mouse NK1⁺ T Lymphocytes, pp. 863-865

Albert Bendelac; Olivier Lantz; Mary E. Quimby; Jonathan W. Yewdell; Jack R. Bennink; Randy R. Brutkiewicz

Identification and Characterization of a Prostaglandin Transporter, pp. 866-869

Naoaki Kanai; Run Lu; Joseph A. Satriano; Yi Bao; Allan W. Wolkoff; Victor L. Schuster

A Neuropeptide Gene Defined by the Drosophila Memory Mutant amnesiac, pp. 869-873

Mel B. Feany; William G. Quinn

Control of Proton Sensitivity of the NMDA Receptor by RNA Splicing and Polyamines, pp. 873-876

Stephen F. Traynelis; Melissa Hartley; Stephen F. Heinemann

Gene Trap Tagging of PROLIFERA, an Essential MCM2-3-5-Like Gene in Arabidopsis, pp. 877-880

Patricia S. Springer; W. Richard McCombie; Venkatesan Sundaresan; Robert A. Martienssen

Role of the Chaperone Protein Hsp 104 in Propagation of the Yeast Prion- Like Factor [psi⁺], pp. 880-884

Yury O. Chernoff; Susan L. Lindquist; Bun-ichiro Ono; Sergei G. Inge-Vechtomov; Susan W. Liebman

KAl1, a Metastasis Suppressor Gene for Prostate Cancer on Human Chromosome 11p 11.2, pp. 884-886

Jin-Tang Dong; Pattie W. Lamb; Carrie W. Rinker-Schaeffer; Jasminka Vukanovic; Tomohiko Ichikawa; John T. Isaacs; J. Carl Barrett

Long-Range Motional Restrictions in a Multidomain Zinc-Finger Protein from Anisotropic Tumbling, pp. 886-889

Rafael Brüschweiler; Xiubei Liao; Peter E. Wright

Borders of Multiple Visual Areas in Humans Revealed by Functional Magnetic Resonance Imaging, pp. 889-893

M. I. Sereno; A. M. Dale; J. B. Reppas; K. K. Kwong; J. W. Belliveau; T. J. Brady; B. R. Rosen; R. B. H. Tootell

Technical Comments

Evaluating Turnover in Tropical Forests, pp. 894-895

Douglas Sheil; Oliver Phillips

Book Reviews

On Exactitude, pp. 905-906

The Values of Precision.

M. Norton Wise

Review author[s]: Sven Widmalm

Reprints of Books Previously Reviewed, p. 906

Books Received, pp. 906-908

Back Matter (36 pp.)

Previous Issue: New Series, Vol. 268, No. 5211, May 5, 1995
Next Issue: New Series, Vol. 268, No. 5213, May 19, 1995

Science, New Series, Vol. 268, No. 5213, May 19, 1995

Previous Issue: New Series, Vol. 268, No. 5212, May 12, 1995
Next Issue: New Series, Vol. 268, No. 5214, May 26, 1995

Front Matter (27 pp.)
Editorial: Renewable Liquid Fuels, p. 955

Philip H. Abelson

Letters

"Future Shock", pp. 957-958

J. B. Hall; Quentin D. Wheeler; F. P. Hughes; Joseph C. Hager; Linda R. Maxson

RERF Scientific Agenda and DOE, pp. 958-959

Seymour Abrahamson; M. Akiyama; K. Kodama; K. Mabuchi; J. L. Ohara; D. L. Preston; C. Satoh; M. Akahoshi; Y. Shibata; M. Soda

Models of Protein Folding, pp. 959-961

Temple F. Smith; Peter G. Wolynes; Jose N. Onuchic; Devarajan Thirumalai

Corrections and Clarifications: FDA Puts the Brakes on Xenotransplants, p. 961
ScienceScope, p. 963

Richard Stone

News and Comment

GOP Plans Would Reshuffle Science, pp. 964-965+967

Andrew Lawler

... As O'Leary Struggles to Preserve Energy Department, pp. 965-966

Andrew Lawler

Bill Threatens Child Survey Research, pp. 967-968

Robert F. Service

Can Risky Mergers Save Hospital-Based Research?, pp. 968-969

Wade Roush

Japan Agrees to Help Build the LHC, p. 969

Daniel Clery

Wetlands Reform Bill Is All Wet, Say Scientists, p. 970

Richard Stone

Research News

Helping Neurons Find Their Way, pp. 971-973

Jean Marx

Chimpanzee Outbreak Heats Up Search for Ebola Origin, pp. 974-975

Virginia Morell

COBE Seeks Universe's First Blush, pp. 975-976

Antonio Regalado

Have 25-Million-Year-Old Bacteria Returned to Life?, p. 977

Joshua Fischman

Random Samples, p. 979

Richard Stone

Policy Forums

On-Road Vehicle Emissions: Regulations, Costs, and Benefits, pp. 991-993

Stuart P. Beaton; Gary A. Bishop; Yi Zhang; Lowell L. Ashbaugh; Douglas R. Lawson; Donald H. Stedmam

Environmental Implications of Electric Cars, pp. 993-995

Lester B. Lave; Chris T. Hendrickson; Francis Clay McMichael

Perspective

At Last-the Crystal Structure of Urease, pp. 996-997

Stephen J. Lippard

Research Article

The Crystal Structure of Urease from Klebsiella aerogenes, pp. 998-1004

Evelyn Jabri; Mary Beth Carr; Robert P. Hausinger; P. Andrew Karplus

Reports

The Ulysses Mission

Ulysses Above the Sun's South Pole: An Introduction, pp. 1005-1007

Edward J. Smith; Richard G. Marsden; D. Edgar Page

The Heliospheric Magnetic Field Over the South Polar Region of the Sun, pp. 1007-1010

A. Balogh; E. J. Smith; B. T. Tsurutani; D. J. Southwood; R. J. Forsyth; T. S. Horbury

Over the Southern Solar Pole: Low-Energy Interplanetary Charged Particles, pp. 1010-1013

L. J. Lanzerotti; T. P. Armstrong; R. E. Gold; C. G. Maclennan; E. C. Roelof; G. M. Simnett; D. J. Thomson; K. A. Anderson; S. E. Hawkins III; S. M. Krimigis; R. P. Lin; M. Pick; E. T. Sarris; S. J. Tappin

Observations of Energetic Particles with EPAC on Ulysses in Polar Latitudes of the Heliosphere, pp. 1013-1016

E. Keppler; M. Fränz; A. Korth; M. K. Reuss; J. B. Blake; R. Seidel; J. J. Quenby; M. Witte

Dust Measurements at High Ecliptic Latitudes, pp. 1016-1019

M. Baguhl; D. P. Hamilton; E. Grün; S. F. Dermott; H. Fechtig; M. S. Hanner; J. Kissel; B.-A. Lindblad; D. Linkert; G. Linkert; I. Mann; J. A. M. McDonnell; G. E. Morfill; C. Polanskey; R. Riemann; G. Schwehm; P. Staubach; H. A. Zook

Cosmic Ray and Solar Particle Investigations Over the South Polar Regions of the Sun, pp. 1019-1023

J. A. Simpson; J. D. Anglin; V. Bothmer; J. J. Connell; P. Ferrando; B. Heber; H. Kunow; C. Lopate; R. G. Marsden; R. B. McKibben; R. Müller-Mellin; C. Paizis; C. Rastoin; A. Raviart; T. R. Sanderson; H. Sierks; K. J. Trattner; K.-P. Wenzel; G. Wibberenz; M. Zhang

Corotating Variations of Cosmic Rays Near the South Heliospheric Pole, pp. 1024-1025

J. Kóta; J. R. Jokipii

Ulysses Radio and Plasma Wave Observations at High Southern Heliographic Latitudes, pp. 1026-1029

R. G. Stone; R. J. MacDowall; J. Fainberg; S. Hoang; M. L. Kaiser; P. J. Kellogg; N. Lin; V. A. Osherovich; J. L. Bougeret; P. Canu; N. Cornilleau-Wehrlin; M. D. Desch; K. Goetz; M. L. Goldstein; C. C. Harvey; D. Lengyel-Frey; R. Manning; M. J. Reiner; J. L. Steinberg; G. Thejappa

Ulysses Solar Wind Plasma Observations at High Southerly Latitudes, pp. 1030-1033

J. L. Phillips; S. J. Bame; W. C. Feldman; B. E. Goldstein; J. T. Gosling; C. M. Hammond; D. J. McComas; M. Neugebauer; E. E. Scime; S. T. Suess

The Southern High-Speed Stream: Results from the SWICS Instrument on Ulysses, pp. 1033-1036

J. Geiss; G. Gloeckler; R. von Steiger; H. Balsiger; L. A. Fisk; A. B. Galvin; F. M. Ipavich; S. Livi; J. F. McKenzie; K. W. Ogilvie; B. Wilken

Requirement of a Small Cytoplasmic RNA for the Establishment of Thermotolerance, pp. 1036-1039

Peter A. Fung; Jacek Gaertig; Martin A. Gorovsky; Richard L. Hallberg

Structure of a Complex of Two Plasma Proteins: Transthyretin and Retinol-Binding Protein, pp. 1039-1041

Hugo L. Monaco; Menico Rizzi; Alessandro Coda

Local Calcium Transients Triggered by Single L-Type Calcium Channel Currents in Cardiac Cells, pp. 1042-1045

José Ramón López-López; Philip S. Shacklock; C. William Balke; Withrow Gil Wier

The Control of Calcium Release in Heart Muscle, pp. 1045-1049

M. B. Cannell; H. Cheng; W. J. Lederer

Identification of hSRP1α as a Functional Receptor for Nuclear Localization Sequences, pp. 1049-1053

Karsten Weis; Iain W. Mattaj; Angus I. Lamond

Photovoltage of Rods and Cones in the Macaque Retina, pp. 1053-1056

David M. Schneeweis; Julie L. Schnapf

Ribosomal RNA Precursor Processing by a Eukaryotic U3 Small Nucleolar RNA-Like Molecule in an Archaeon, pp. 1056-1060

Simon Potter; Peter Durovic; Patrick P. Dennis

Revival and Identification of Bacterial Spores in 25- to 40-Million-Year-Old Dominican Amber, pp. 1060-1064

Raúl J. Cano; Monica K. Borucki

Technical Comments

Criteria for Testing Character Displacement, pp. 1065-1067

Paul A. Murtaugh; Joseph Bernardo; William J. Resetarits Jr.; Arthur E. Dunham; Dolph Schluter

Book Reviews

Upcoming Book Issue, p. 1071

Back Matter (29 pp.)

Previous Issue: New Series, Vol. 268, No. 5212, May 12, 1995
Next Issue: New Series, Vol. 268, No. 5214, May 26, 1995