Science, New Series, Vol. 271, No. 5245, Jan. 5, 1996

Previous Issue: New Series, Vol. 270, No. 5244, Dec. 22, 1995
Next Issue: New Series, Vol. 271, No. 5246, Jan. 12, 1996

Front Matter (14 pp.)
Editorial: Nanophase Chemistry, p. 11

Philip H. Abelson

Letters

The Bell Curve: A Statement, pp. 13-14

Lori B. Andrews; Dorothy Nelkin

Genetic Patents, p. 14

Philip L. Bereano

Explaining "Linguistic Features" of Noncoding DNA, pp. 14-15

Sebastian Bonhoeffer; Andreas V. M. Herz; Maarten C. Boerlijst; Sean Nee; Martin A. Nowak; Robert M. May

Coral Bleaching, pp. 15-16

C. F. D'Elia; R. W. Buddemeier; S. V. Smith

Rare Trees, p. 16

Loren H. Rieseberg

Italian Academic Turnover, pp. 16-17

Benedetto Terracini

Useful Antisense, p. 17

Ling Yuan

Corrections and Clarifications: Brethren of the Net: American Entomology, 1840-1880, p. 17
Corrections and Clarifications: Can Nuclear Waste Keep Yucca Mountain Dry- and Safe?, p. 17
Corrections and Clarifications: China's Unique Environment Favors Large Intervention Trials, p. 17
Corrections and Clarifications: Defective Lymphoid Development in Mice Lacking Jak3, p. 17
Corrections and Clarifications: Pioneering Work, p. 17
Corrections and Clarifications: Tracing Croatia's 'Disappeared', p. 17
ScienceScope, p. 19

Jocelyn Kaiser

News and Comment

AIDS Trials Take On Peer Review, pp. 20-21

Jon Cohen

Impasse Puts NIH Grants on Hold, p. 22

Eliot Marshall; Jeffrey Mervis

New Budget Gives 7% Boost to R & D, p. 22

Dennis Normile

Indonesian Policies Stymie Global Circulation Experiment, pp. 23-24

Jeffrey Mervis

Broken Belt Sets Back New Accelerator, p. 24

Alexander Hellemans

Japan Pumps Up Budget for Table-Top Short-Pulse Lasers, pp. 25-26

Dennis Normile

Meeting Takes Pulse of Laser Accelerators, p. 26

James Glanz

Research News

Giving Language Skills a Boost, pp. 27-28

Marcia Barinaga

Does Tellurium Frost Venus's Highlands?, pp. 28-29

Richard A. Kerr

Obesity: Leptin Receptor Weighs In, p. 29

Marcia Barinaga

A Second Breast Cancer Susceptibility Gene Is Found, pp. 30-31

Jean Marx

Flexing Muscle With Just One Amino Acid, p. 31

Robert F. Service

Ozone-Destroying Chlorine Tops Out, p. 32

Richard A. Kerr

New Skull Turns Up in Northeast Africa, p. 32

Virginia Morell

Sperm Protein Makes Its Mark Upon the Worm Embryo, p. 33

Wade Roush

Random Samples, p. 35

Constance Holden

Book Reviews

Relativity and Experiment, pp. 37-38

Gravitation and Inertia.

Ignazio Ciufolini; John Archibald Wheeler

Review author[s]: Carlo Rovelli

Responding to AIDS, p. 38

AIDS and the Public Debate. Historical and Contemporary Perspectives.

Caroline Hannaway; Victoria A. Harden; John Parascandola

Review author[s]: Dan E. Beauchamp

Perspectives

Putting a New Spin on Spider Silk, pp. 39-40

David A. Tirrell

Ecdysis Control Sheds Another Layer, pp. 40-41

James W. Truman

Stardust in the Laboratory, pp. 41-42

Ernst Zinner

Optical Rockets, p. 42

David Voss

Supported Membranes: Scientific and Practical Applications, pp. 43-48

E. Sackmann

Reports

Electrochemically Tunable Magnetic Phase Transition in a High-T_c Chromium Cyanide Thin Film, pp. 49-51

O. Sato; T. Lyoda; A. Fujishima; K. Hashimoto

Achieving Linear Scaling for the Electronic Quantum Coulomb Problem, pp. 51-53

Matthew C. Strain; Gustavo E. Scuseria; Michael J. Frisch

Low-Compressibility Carbon Nitrides, pp. 53-55

David M. Teter; Russell J. Hemley

Criticality and Parallelism in Combinatorial Optimization, pp. 56-59

William G. Macready; Athanassios G. Siapas; Stuart A. Kauffman

Quantifying Hydrogen Bond Cooperativity in Water: VRT Spectroscopy of the Water Tetramer, pp. 59-62

J. D. Cruzan; L. B. Braly; Kun Liu; M. G. Brown; J. G. Loeser; R. J. Saykally

Vibration-Rotation Tunneling Spectra of the Water Pentamer: Structure and Dynamics, pp. 62-64

K. Liu; M. G. Brown; J. D. Cruzan; R. J. Saykally

Role of Mutant CFTR in Hypersusceptibility of Cystic Fibrosis Patients to Lung Infections, pp. 64-67

Gerald B. Pier; Martha Grout; Tanweer S. Zaidi; John C. Olsen; Larry G. Johnson; James R. Yankaskas; Joanna B. Goldberg

Control of Aragonite or Calcite Polymorphism by Mollusk Shell Macromolecules, pp. 67-69

Giuseppe Falini; Shira Albeck; Steve Weiner; Lia Addadi

Sexual Selection for Male Sacrifice in the Australian Redback Spider, pp. 70-72

Maydianne C. B. Andrade

Direct Observation of Protein Solvation and Discrete Disorder with Experimental Crystallographic Phases, pp. 72-77

F. Temple Burling; William I. Weis; Kevin M. Flaherty; Axel T. Brünger

Temporal Processing Deficits of Language-Learning Impaired Children Ameliorated by Training, pp. 77-81

Michael M. Merzenich; William M. Jenkins; Paul Johnston; Christoph Schreiner; Steven L. Miller; Paula Tallal

Language Comprehension in Language-Learning Impaired Children Improved with Acoustically Modified Speech, pp. 81-84

Paula Tallal; Steve L. Miller; Gail Bedi; Gary Byma; Xiaoqin Wang; Srikantan S. Nagarajan; Christoph Schreiner; William M. Jenkins; Michael M. Merzenich

Molecular Orientation and Two-Component Nature of the Crystalline Fraction of Spider Dragline Silk, pp. 84-87

Alexandra H. Simmons; Carl A. Michal; Lynn W. Jelinski

Identification of Ecdysis-Triggering Hormone from an Epitracheal Endocrine System, pp. 88-91

Dušan Žitňan; Timothy G. Kingan; John L. Hermesman; Michael E. Adams

Technical Comments

Analog Computational Power, p. 92

Peter Shor; Richard Y. Kain

Back Matter (24 pp.)

Previous Issue: New Series, Vol. 270, No. 5244, Dec. 22, 1995
Next Issue: New Series, Vol. 271, No. 5246, Jan. 12, 1996

Science, New Series, Vol. 271, No. 5246, Jan. 12, 1996

Previous Issue: New Series, Vol. 271, No. 5245, Jan. 5, 1996
Next Issue: New Series, Vol. 271, No. 5247, Jan. 19, 1996

Front Matter (19 pp.)
Editorial: A Science Paper Is..., p. 127

Floyd E. Bloom

Letters

Global Warming and the Arctic, p. 129

Ola M. Johannessen; Einar Bjørgo; Martin W. Miles

Collaboration and Data Sharing: Continued, pp. 129-130

Edward T. Dangel III; Barbara Mishkin

Megajoules and Other Missions, pp. 130-132

E. Michael Campbell; John C. Browne

Corridors for Wildlife, pp. 132-133

Dale F. Reed; Christopher P. Dunn

Fusion Progress, p. 133

N. Anne Davies

ScienceScope, p. 135

Jocelyn Kaiser

News and Comment

When Federal Science Stopped, pp. 136-137

Jeffrey Mervis; Eliot Marshall

1995 the Warmest Year? Yes and No, pp. 137-138

Richard A. Kerr

Med Schools Receive Hughes Windfall, p. 138

Jocelyn Kaiser

Tampering Allegations Stall Science Law, p. 139

Andrey Allakhverdov

Guarding Against Premature Birth, pp. 139-140

Wade Roush

Cancer Charity Falls Afoul of Audit Court, p. 140

Julian Nundy

Fund Fuels a Resurgence of Basic Research, p. 141

Elizabeth Pennisi

Research News

Particle Physicists Take to Orbit, pp. 142-144

Gary Taubes

Pacific Basin Gathering in Hawaii Fills with Chemists, pp. 145-146

Robert F. Service

Millennial Climate Oscillation Spied, pp. 146-147

Richard A. Kerr

Physicists Produce First Antiatom, p. 147

Andrew Watson

Zoologists Flock to U.S. Capital for Annual Assembly, pp. 148-149

Elizabeth Pennisi; Joshua Fischman

Random Samples, p. 151

Constance Holden

Book Reviews

Science in the Federal Milieu, p. 156

Politics on the Endless Frontier.

Daniel Lee Kleinman

Review author[s]: Allan Needell

Old World Herbivores, pp. 156-157

Colobine Monkeys.

A. Glyn Davies; John F. Oates

Review author[s]: Richard F. Kay

Perspectives

Genetic Clues to Alzheimer's Disease, pp. 159-160

Nazneen N. Dewji; S. J. Singer

Selector Genes, Polymorphisms, and Evolution, pp. 160-161

Diethard Tautz

Lord of the Rings: GroES Structure, pp. 161-162

Mark Mayhew; F. Ulrich Hartl

Approaching the Quantum Gate, p. 162

David Voss

Cation-π Interactions in Chemistry and Biology: A New View of Benzene, Phe, Tyr, and Trp, pp. 163-168

Dennis A. Dougherty

Quantum Engineering of Optical Nonlinearities, pp. 168-173

E. Rosencher; A. Fiore; B. Vinter; V. Berger; Ph. Bois; J. Nagle

Immunology Taught by Viruses, pp. 173-178

Rolf M. Zinkernagel

Reports

The Effect of Quantum and Thermal Fluctuations on the Structure of the Floppy Molecule C₂H₃⁺, pp. 179-181

Dominik Marx; Michele Parrinello

Controlled Room-Temperature Positioning of Individual Molecules: Molecular Flexure and Motion, pp. 181-184

T. A. Jung; R. R. Schlittler; J. K. Gimzewski; H. Tang; C. Joachim

The Shape of Mars and the Topographic Signature of the Hemispheric Dichotomy, pp. 184-188

David E. Smith; Maria T. Zuber

Permian Vessel Elements, pp. 188-189

Hongqi Li; Edith L. Taylor; Thomas N. Taylor

Origin of High Mountains in the Continents: The Southern Sierra Nevada, pp. 190-193

Brian Wernicke; Robert Clayton; Mihai Ducea; Craig H. Jones; Stephen Park; Stan Ruppert; Jason Saleeby; J. Kent Snow; Livia Squires; Moritz Fliedner; George Jiracek; Randy Keller; Simon Klemperer; James Luetgert; Peter Malin; Kate Miller; Walter Mooney; Howard Oliver; Robert Phinney

Fluorination of Diamond Surfaces by Irradiation of Perfluorinated Alkyl Iodides, pp. 193-195

V. S. Smentkowski; John T. Yates Jr.

Functional Evidence for Indirect Recognition of G.U in tRNA ^Ala by Alanyl-tRNA Synthetase, pp. 195-197

K. Gabriel; Jay Schneider; William H. McClain

A Role for CD81 in Early T Cell Development, pp. 198-200

Richard Boismenu; Maria Rhein; Wolfgang H. Fischer; Wendy L. Havran

Effect of Polymorphism in the Drosophila Regulatory Gene Ultrabithorax on Homeotic Stability, pp. 200-203

Greg Gibson; David S. Hogness

Structure of the Heat Shock Protein Chaperonin-10 of Mycobacterium leprae, pp. 203-207

Shekhar C. Mande; Vijay Mehra; Barry R. Bloom; Wim G. J. Hol

Protection Against Osmotic Stress by cGMP-Mediated Myosin Phosphorylation, pp. 207-209

Hidekazu Kuwayama; Maria Ecke; Günther Gerisch; Peter J. M. Van Haastert

Regulation of PH04 Nuclear Localization by the PH080-PH085 Cyclin-CDK Complex, pp. 209-212

Elizabeth M. O'Neill; Arie Kaffman; Emmitt R. Jolly; Erin K. O'Shea

Direct Physical Measure of Conformational Rearrangement Underlying Potassium Channel Gating, pp. 213-216

Lidia M. Mannuzzu; Mario M. Moronne; Ehud Y. Isacoff

Activation of Ventrolateral Preoptic Neurons During Sleep, pp. 216-219

J. E. Sherin; P. J. Shiromani; R. W. McCarley; C. B. Saper

Plasmodium Hemozoin Formation Mediated by Histidine-Rich Proteins, pp. 219-222

David J. Sullivan Jr.; Llya Y. Gluzman; Daniel E. Goldberg

Technical Comments

Polypropylene Tube Surfaces may Induce Denaturation and Multimerization of DNA, pp. 222-223

Boris P. Belotserkovskii; Brian H. Johnston; Claire Gaillard; François Strauss

Hepatic Fibrosis in Ahr ^-/- Mice, pp. 223-224

W. Michael McDonnell; Stephen W. Chensue; Frederick K. Askari; Richard H. Moseley; Pedro znsFernandez-Salguero; F. J. Gonzalez; J. M. Ward

Back Matter (36 pp.)

Previous Issue: New Series, Vol. 271, No. 5245, Jan. 5, 1996
Next Issue: New Series, Vol. 271, No. 5247, Jan. 19, 1996

Science, New Series, Vol. 271, No. 5247, Jan. 19, 1996

Previous Issue: New Series, Vol. 271, No. 5246, Jan. 12, 1996
Next Issue: New Series, Vol. 271, No. 5248, Jan. 26, 1996

Front Matter (28 pp.)
Editorial: A Changing Electric Power Industry, p. 273

Philip H. Abelson

Letters

Alabama and Evolution, p. 275

Sheldon F. Gottlieb; Sidney Fox

Wild Dogs in the Serengeti, pp. 275-276

Marion L. East; Heribert Hofer; Virginia Morell

Resistance to Mutagenesis, pp. 276-277

George M. Woodwell

Evidence of Early Cannibalism, pp. 277-278

Yolanda Fernández-Jalvo; J. Carlos Díez; José M. Bermúdez de Castro; Eudald Carbonell; Juan Luis Arsuaga

Extracellular Protein Kinases, pp. 278-279

Yigal H. Ehrlich

Downsizing at DOE Facilities, p. 279

Dan W. Reicher

Comet Hunting: Discipline and Serendipity, p. 279

Jack O. Burns

ScienceScope, p. 281

Jocelyn Kaiser

News and Comment

U.S. Power Outage Won't Dim ITER, pp. 282-284

Andrew Lawler

Does Rochester Without Math Add Up?, p. 284

Constance Holden

Research Gets Big Boost One Year After Kobe Earthquake, pp. 285-286

Dennis Normile

AMS Adds Realism to Chemical Risk Assessment, pp. 286-287

Jonathan Weisman

New U.K. Committee Draws Fire, p. 287

Nigel Williams

Research News

Closing in On Superconductivity, pp. 288-289

Daniel Clery

Blue Laser Race Turns Red-Hot, p. 289

Robert F. Service

Social Status Sculpts Activity of Crayfish Neurons, pp. 290-291

Marcia Barinaga

Choreographing the Bacterial Cell Cycle, p. 291

Wade Roush

Life at the Top: Animals Pay the High Price of Dominance, p. 292

Virginia Morell

Interfering with Atoms to Clear a Path for Lasers, p. 293

Gary Taubes

New Tumor Suppressor Found In Pancreatic Cancer, p. 294

Claire O'Brien

Random Samples, pp. 295+297

Constance Holden

Book Reviews

Plasma Initiation, p. 309

Plasma Physics. An Introduction to the Theory of Astrophysical, Geophysical, and Laboratory Plasmas.

Peter A. Sturrock

Introduction to Plasma Physics.

Robert J. Goldston; Paul H. Rutherford

Plasma Physics. An Introductory Course.

Richard Dendy

Review author[s]: David Montgomery

----------------, pp. 309-310

The Rise of Fishes. 500 Million Years of Evolution.

John A. Long

Review author[s]: George V. Lauder

----------------, p. 310

Dinosaur Tracks and Other Fossil Footprints of the Western United States.

Martin Lockley; Adrian P. Hunt

Review author[s]: Kevin Padian

Book Received, p. 310

Perspectives

Microscopic Tunneling Spectroscopy on High-Temperature Superconductors, pp. 313-314

Koichi Kitazawa

Checkpoints Take the Next Step, pp. 314-315

Antony M. Carr

Cellular Microbiology Emerging, pp. 315-316

P. Cossart; P. Boquet; S. Normark; R. Rappuoli

Covalent Fullerene Chemistry, pp. 317-323

François Diederich; Carlo Thilgen

Toward an Understanding of the Correlates of Protective Immunity to HIV Infection, pp. 324-328

Barton F. Haynes; Giuseppe Pantaleo; Anthony S. Fauci

Research Article

Pairing Symmetry in Single-Layer Tetragonal Tl₂Ba₂CuO _6+δ Superconductors, pp. 329-332

C. C. Tsuei; J. R. Kirtley; M. Rupp; J. Z. Sun; A. Gupta; M. B. Ketchen; C. A. Wang; Z. F. Ren; J. H. Wang; M. Bhushan

Reports

Recent Changes in Eastern Mediterranean Deep Waters, pp. 333-335

Wolfgang Roether; Beniamino B. Manca; Birgit Klein; Davide Bregant; Dimitrios Georgopoulos; Volker Beitzel; Vedrana Kovačević; Anna Luchetta

Chromophores with Strong Heterocyclic Acceptors: A Poled Polymer with a Large Electro-Optic Coefficient, pp. 335-337

Markus Ahlheim; Marguerite Barzoukas; Peter V. Bedworth; Mireille Blanchard-Desce; Alain Fort; Zhong-Ying Hu; Seth R. Marder; Joseph W. Perry; Claude Runser; Markus Staehelin; Beat Zysset

Chaos and the Shapes of Elliptical Galaxies, pp. 337-340

David Merritt

Mineralization of Chlorofluorocarbons and Aromatization of Saturated Fluorocarbons by a Convenient Thermal Process, pp. 340-341

Juan Burdeniuc; Robert H. Crabtree

Design of a Monomeric 23-Residue Polypeptide with Defined Tertiary Structure, pp. 342-345

Mary D. Struthers; Richard P. Cheng; Barbara Imperiali

Assembly of a Ribonucleoprotein Catalyst by Tertiary Structure Capture, pp. 345-348

Kevin M. Weeks; Thomas R. Cech

C3d of Complement as a Molecular Adjuvant: Bridging Innate and Acquired Immunity, pp. 348-350

Paul W. Dempsey; Michael E. D. Allison; Srinivas Akkaraju; Christopher C. Goodnow; Douglas T. Fearon

DPC4, A Candidate Tumor Suppressor Gene at Human Chromosome 18q21.1, pp. 350-353

Stephan A. Hahn; Mieke Schutte; A. T. M. Shamsul Hoque; Christopher A. Moskaluk; Luis T. da Costa; Ester Rozenblum; Craig L. Weinstein; Aryeh Fischer; Charles J. Yeo; Ralph H. Hruban; Scott E. Kern

rad-Dependent Response of the chk1-Encoded Protein Kinase at the DNA Damage Checkpoint, pp. 353-356

Nancy C. Walworth; Rene Bernards

Regulation of RAD53 by the ATM-Like Kinases MEC1 and TEL1 in Yeast Cell Cycle Checkpoint Pathways, pp. 357-360

Yolanda Sanchez; Brian A. Desany; William J. Jones; Qinghua Liu; Bin Wang; Stephen J. Elledge

Bone Morphogenetic Protein-1: The Type I Procollagen C-Proteinase, pp. 360-362

Efrat Kessler; Kazuhiko Takahara; Luba Biniaminov; Marina Brusel; Daniel S. Greenspan

Role of β-Arrestin in Mediating Agonist-Promoted G Protein-Coupled Receptor Internalization, pp. 363-366

Stephen S. G. Ferguson; William E. Downey III; Anne-Marie Colapietro; Larry S. Barak; Luc Ménard; Marc G. Caron

The Effect of Social Experience on Serotonergic Modulation of the Escape Circuit of Crayfish, pp. 366-369

Shih-Rung Yeh; Russell A. Fricke; Donald H. Edwards

Zinc-Induced Collapse of Augmented Inhibition by GABA in a Temporal Lobe Epilepsy Model, pp. 369-373

Eberhard H. Buhl; Thomas S. Otis; Istvan Mody

Technical Comments

Analog Computational Power, p. 373

Hava T. Siegelmann

Back Matter (43 pp.)

Previous Issue: New Series, Vol. 271, No. 5246, Jan. 12, 1996
Next Issue: New Series, Vol. 271, No. 5248, Jan. 26, 1996

Science, New Series, Vol. 271, No. 5248, Jan. 26, 1996

Previous Issue: New Series, Vol. 271, No. 5247, Jan. 19, 1996
Next Issue: New Series, Vol. 271, No. 5249, Feb. 2, 1996

Front Matter (18 pp.)
Editorial: Refining the On-Line Scholar's Tools, p. 429

Floyd E. Bloom

Letters

Reducing Greenhouse Gases, p. 431

Craig Bond Hatfield; Pekka E. Kauppi

NASA's Life Science, pp. 431-433

Lynn Margulis; Pauline Jackie Duke

Beyond Test Score Comparisons, pp. 433-434

Frank X. Sutman

Antisense Research, p. 434

C. Frank Bennett

State Key Labs in China, pp. 434-435

C. L. Tsou

Corrections and Clarifications: Will NASA's Research Reforms Fly?, p. 435
ScienceScope, p. 437

Jocelyn Kaiser

News and Comment

AIDS Task Force Fizzles Out, pp. 438-439

Jon Cohen

Policy on DNA Research Troubles Tissue Bankers, p. 440

Eliot Marshall

Can Some Infants Beat HIV?, p. 441

Clare Thompson

'Natural' Cancer Prevention Trial Halted, p. 441

Kim Peterson

Industrial R&D Gets Boost Despite Lack of Patent Reform, pp. 442-443

Pallava Bagla

Tax Law Casts Pall Over Research Aid, p. 443

Vladimir Pokrovsky

Research News

Researchers Feel Lure of the I-WAY, pp. 444-445

James Glanz

Mutant Enzyme Provides New Insights into the Cause of ALS, pp. 446-447

Jean Marx

Modified Microbe May Boost TB Vaccine, p. 447

Wade Roush

Proteins 'Clock' the Origins of All Creatures-Great and Small, p. 448

Virginia Morell

Cave Structure Boosts Neandertal Image, p. 449

Michael Balter

Planets Remind Astronomers of Home, pp. 449-450

James Glanz

Digging Deeply Into Galaxies' Pasts, p. 450

Donald Goldsmith

Random Samples, pp. 451+453

Constance Holden

Book Reviews

Darwin Lite, p. 455

Darwin. A Life in Science.

Michael White; John Gribbin

Review author[s]: William Montgomery

Chromosomal Structures, pp. 455-456

Telomeres.

Elizabeth H. Blackburn; Carol W. Greider

Review author[s]: Carolyn M. Price

Simulation Methods, p. 456

Computer Modelling in Molecular Biology.

Julia M. Goodfellow

Review author[s]: Stanley R. Krystek Jr.

Books Received, p. 456

Perspectives

Regulation of Atmospheric O₂: Feedback in the Microbial Feedbag, pp. 459-460

Lee R. Kump; Fred T. Mackenzie

A Docking Receptor for HDL Cholesterol Esters, pp. 460-461

Daniel Steinberg

Gating by Cyclic AMP: Expanded Role for an Old Signaling Pathway, pp. 461-463

Ravi Lyengar

BMP-1: Resurrection As Procollagen C-Proteinase, p. 463

A. H. Reddi

The Magnetic Nature of Coronal Holes, pp. 464-469

Yi-Ming Wang; Scott H. Hawley; Neil R. Sheeley Jr.

Determining Divergence Times of the Major Kingdoms of Living Organisms with a Protein Clock, pp. 470-477

Russell F. Doolittle; Da-Fei Feng; Simon Tsang; Glen Cho; Elizabeth Little

Research Article

Thiyl Radicals in Ribonucleotide Reductases, pp. 477-481

Stuart Licht; Gary J. Gerfen; JoAnne Stubbe

Reports

Energy Dissipation during Rupture of Adhesive Bonds, pp. 482-484

Arlette R. C. Baljon; Mark O. Robbins

The Structure and Stability of Atomic Liquids: From Clusters to Bulk, pp. 484-487

Jonathan P. K. Doye; David J. Wales

Reversible Encapsulation of Disc-Shaped Guests by a Synthetic, Self-Assembled Host, pp. 487-489

Robert M. Grotzfeld; Neil Branda; Julius Rebek Jr.

Design of a Random Quantum Spin Chain Paramagnet: Sr₃CuPt _0.5 Ir _0.5 O₆, pp. 489-491

Tu N. Nguyen; Patrick A. Lee; Hans-Conrad zur Loye

Th-Pb and U-Pb Dating of Ore-Stage Calcite and Paleozoic Fluid Flow, pp. 491-493

Joyce C. Brannon; Susan C. Cole; Frank A. Podosek; Virginia M. Ragan; Raymond M. Coveney Jr.; Malcolm W. Wallace; Alison J. Bradley

Redox Stabilization of the Atmosphere and Oceans by Phosphorus-Limited Marine Productivity, pp. 493-496

Philippe Van Cappellen; Ellery D. Ingall

Reduction of HIV Concentration during Acute Infection: Independence from a Specific Immune Response, pp. 497-499

Andrew N. Phillips

Dependence of Cyclin E-CDK2 Kinase Activity on Cell Anchorage, pp. 499-502

Fang Fang; Gertraud Orend; Nobumoto Watanabe; Tony Hunter; Erkki Ruoslahti

Angiotensin II-Forming Activity in a Reconstructed Ancestral Chymase, pp. 502-505

Unnikrishnan M. Chandrasekharan; Subramaniam Sanker; Manuel J. Glynias; Sadashiva S. Karnik; Ahsan Husain

Molecular Cloning and Disease Association of Hepatitis G Virus: A Transfusion-Transmissible Agent, pp. 505-508

Jeff Linnen; John Wages Jr.; Zhen-Yong Zhang-Keck; Kirk E. Fry; Krzysztof Z. Krawczynski; Harvey Alter; Eugene Koonin; Margaret Gallagher; Miriam Alter; Stephanos Hadziyannis; Peter Karayiannis; Kevin Fung; Yoshiyuki Nakatsuji; J. Wai-Kuo Shih; Lavonne Young; Michael Piatak Jr.; Cameron Hoover; John Fernandez; Stacie Chen; Jian-Chao Zou; Timothy Morris; Kenneth C. Hyams; Susan Ismay; Jeffrey D. Lifson; Georg Hess; Steven K. H. Foung; Howard Thomas; Daniel Bradley; Harold Margolis; Jungsuh P. Kim

Receptor-Ligand Interaction between CD44 and Osteopontin (Eta-1), pp. 509-512

Georg F. Weber; Samy Ashkar; Melvin J. Glimcher; Harvey Cantor

Activation by Attention of the Human Reticular Formation and Thalamic Intralaminar Nuclei, pp. 512-515

Shigeo Kinomura; Jonas Larsson; Balázs Gulyás; Per E. Roland

Altered Reactivity of Superoxide Dismutase in Familial Amyotrophic Lateral Sclerosis, pp. 515-518

Martina Wiedau-Pazos; Joy J. Goto; Shahrooz Rabizadeh; Edith B. Gralla; James A. Roe; Michael K. Lee; Joan S. Valentine; Dale E. Bredesen

Identification of Scavenger Receptor SR-BI as a High Density Lipoprotein Receptor, pp. 518-520

Susan Acton; Attilio Rigotti; Katherine T. Landschulz; Shangzhe Xu; Helen H. Hobbs; Monty Krieger

Interfering with Apoptosis: Ca ²⁺ -Binding Protein ALG-2 and Alzheimer's Disease Gene ALG-3, pp. 521-525

Pasquale Vito; Emanuela Lacaná; Luciano D'Adamio

Newly Learned Auditory Responses Mediated by NMDA Receptors in the Owl Inferior Colliculus, pp. 525-528

Daniel E. Feldman; Michael S. Brainard; Eric I. Knudsen

AAAS News and Notes, p. 536

Diana Parsell

Back Matter (35 pp.)

Previous Issue: New Series, Vol. 271, No. 5247, Jan. 19, 1996
Next Issue: New Series, Vol. 271, No. 5249, Feb. 2, 1996

Science, New Series, Vol. 271, No. 5249, Feb. 2, 1996

Previous Issue: New Series, Vol. 271, No. 5248, Jan. 26, 1996
Next Issue: New Series, Vol. 271, No. 5250, Feb. 9, 1996

Front Matter (33 pp.)
Editorial: European Education and Science's Next Wave, p. 577

Daniel Clery; John Benditt

Letters

Keeping Radioactive Waste Dry?, p. 579

Steve Frishman

Genetics and Race, pp. 579-580

J. Philippe Rushton; Jared Taylor

Publicizing the Value of Basic Research, p. 580

Joseph L. Birman

Bullets and Silk in the Old West, pp. 580-581

Joel M. Harp

Climate Change and Consensus, pp. 581-582

S. Fred Singer

Oxidative Stress and Apoptosis in HIV Infection, pp. 582-583

Gabriele Baier-Bitterlich; Helmut Wachter; Dietmar Fuchs

Space Propulsion, p. 583

Jerry Grey

Corrections and Clarifications: The Favored 30, p. 583
Corrections and Clarifications: AIDS Trails Take on Peer Review, p. 583
ScienceScope, p. 585

Jocelyn Kaiser

News and Comment

Clinical Promise, Ethical Quandary, pp. 586-588

Eliot Marshall

Seeking Out Strange New Worlds, p. 588

Donald Goldsmith

Research Knows No Season As Budget Cycle Goes Awry, p. 589

Andrew Lawler

Overhauling AIDS Research: Views from the Community, pp. 590-591

Jon Cohen

Hearing Highlights Hopes, Realities, pp. 591-592

Jeffrey Mervis

Panel Would Close Princeton Reactor, p. 592

Andrew Lawler

Research News

Galileo Hits a Strange Spot on Jupiter, pp. 593-594

Richard A. Kerr

Fertile Results: Bringing Up Baby (Eggs), pp. 594-595

Wade Roush

Is the Dark Matter Mystery Solved?, pp. 595-596

James Glanz

New Virus Variant Killed Serengeti Cats, p. 596

Virginia Morell

Are Algae-Not Coral-Reefs' Master Builders?, pp. 597-598

James Shreeve

Microprocessors Deliver Teraflops, p. 598

James Glanz

Will a Computer Checkmate a Chess Champion at Last?, p. 599

Barry Cipra

Random Samples, p. 601

Constance Holden

Book Reviews

A Career Without Compromise, pp. 603-604

Force of Nature.

Thomas Hager

Linus Pauling.

Ted Goertzel; Ben Goertzel; Mildred Goertzel; Victor Goertzel; Gwen Goertzel

Linus Pauling in His Own Words.

Barbara Marinacci

Review author[s]: Harden M. McConnell

Books Received, p. 604

Policy Forum

The Future of the Behavioral and Social Sciences, pp. 611-612

Philip M. Smith; Barbara Boyle Torrey

Perspectives

Carbon Dioxide Extraction of Biomolecules, pp. 613-614

Eric J. Beckman

"Negative Viscosity" in a Magnetic Fluid, pp. 614-615

Ronald E. Rosensweig

Ion Channels: Opening the Gate, p. 615

Katrina L. Kelner

Unscrambling Color Vision, pp. 616-617

Richard H. Masland

Lysosomal Degradation of Ubiquitin-Tagged Receptors, p. 617

Stella M. Hurtley

Surprises on the Way from One- to Two-Dimensional Quantum Magnets: The Ladder Materials, pp. 618-623

Elbio Dagotto; T. M. Rice

Reports

Water-in-Carbon Dioxide Microemulsions: An Environment for Hydrophiles Including Proteins, pp. 624-626

K. P. Johnston; K. L. Harrison; M. J. Clarke; S. M. Howdle; M. P. Heitz; F. V. Bright; C. Carlier; T. W. Randolph

Crystal and Molecular Structures of Hexamethyltungsten and Hexamethylrhenium, pp. 626-628

Valerie Pfennig; Konrad Seppelt

Pa$\overline{3}$ Modified Fluorite-Type Structures in Metal Dioxides at High Pressure, pp. 629-631

J. Haines; J. M. Léger; O. Schulte

Large-Scale Storms in Saturn's Atmosphere During 1994, pp. 631-634

A. Sanchez-Lavega; J. Lecacheux; J. M. Gomez; F. Colas; P. Laques; K. Noll; D. Gilmore; I. Miyazaki; D. Parker

Group Velocity in Strongly Scattering Media, pp. 634-637

J. H. Page; Ping Sheng; H. P. Schriemer; I. Jones; Xiaodun Jing; D. A. Weitz

Calcification in Hermatypic and Ahermatypic Corals, pp. 637-639

A. T. Marshall

Evolution of Scleractinian Corals Inferred from Molecular Systematics, pp. 640-642

Sandra L. Romano; Stephen R. Palumbi

Catalysis of Amide Proton Exchange by the Molecular Chaperones GroEL and SecB, pp. 642-645

Ralph Zahn; Sarah Perrett; Gun Stenberg; Alan R. Fersht

Protein Kinase N (PKN) and PKN-Related Protein Rhophilin as Targets of Small GTPase Rho, pp. 645-648

Go Watanabe; Yuji Saito; Pascal Madaule; Toshimasa Ishizaki; Kazuko Fujisawa; Narito Morii; Hideyuki Mukai; Yoshitaka Ono; Akira Kakizuka; Shuh Narumiya

Identification of a Putative Target for Rho as the Serine-Threonine Kinase Protein Kinase N, pp. 648-650

Mutsuki Amano; Hideyuki Mukai; Yoshitaka Ono; Kazuyasu Chihara; Takeshi Matsui; Yuko Hamajima; Katsuya Okawa; Akihiro Iwamatsu; Kozo Kaibuchi

Enhanced Perception Illusory Contours in the Lower Versus Upper Visual Hemifields, pp. 651-653

Nava Rubin; Ken Nakayama; Robert Shapley

Use-Dependent Blockers and Exit Rate of the Last Ion from the Multi-Ion Pore of a K⁺ Channel, pp. 653-656

Thomas Baukrowitz; Gary Yellen

Horizontal Cells of the Primate Retina: Cone Specificity Without Spectral Opponency, pp. 656-659

Dennis M. Dacey; Barry B. Lee; Donna K. Stafford; Joel Pokorny; Vivianne C. Smith

Molecular Detection of Primary Bladder Cancer by Microsatellite Analysis, pp. 659-662

Li Mao; Mark P. Schoenberg; Marshall Scicchitano; Yener S. Erozan; Adrian Merlo; Donna Schwab; David Sidransky

Expression of a Plasmodium Gene Introduced into Subtelomeric Regions of Plasmodium berghei Chromosomes, pp. 662-665

Melissa R. van Dijk; Chris J. Janse; Andrew P. Waters

IRS-1-Mediated Inhibition of Insulin Receptor Tyrosine Kinase Activity in TNF-α-and Obesity-Induced Insulin Resistance, pp. 665-668

Gökhan S. Hotamisligil; Pascal Peraldi; Adriane Budavari; Ramsey Ellis; Morris F. White; Bruce M. Spiegelman

Technical Comments

The Age of the Waiho Loop Glacial Event, pp. 668-670

M. C. G. Mabin; G. H. Denton; C. H. Hendy

Plasma Viral Load, CD4^+ Cell Counts, and HIV-1 Production by Cells, pp. 670-671

Jay A. Levy; Bineetha Ramachandran; Edward Barker; Jessica Guthrie; Tarek Elbeik; John M. Coffin

European Universities in Transition

Science: European Universities in Transition, pp. 681-682

Daniel Clery

Germany and France: Europe's Science Powerhouses Face Limits to Growth, p. 683

Patricia Kahn; Michael Balter

Germany: An Egalitarian System Straining At the Seams, pp. 684-686

Patricia Kahn

France: An Elite System Struggles With Mass Education, pp. 686-688

Michael Balter

United Kingdom: Universities Feel The Heat of Competition, pp. 688-689+691

Nigel Williams

The Netherlands: Government Pushes Students Onto the Fast Track, p. 693

Alexander Hellemans

European Union: Students Still Face Barriers Across Europe, pp. 694-695

Nigel Williams

Central Europe: After Communism: Reinventing Higher Education, p. 695

Poland: Teachers Struggle With Low Funds and Morale, pp. 695-696

Robert Koenig

Hungary: Industry and Foundations Help Out, pp. 696-697

Susan Milligan

Czech Republic: Grad School Bridges Old Divisions, pp. 697-698

Patricia Kahn

Russia: Bringing Research And Teaching Back Together, pp. 699-701

Richard Stone

Back Matter (27 pp.)

Previous Issue: New Series, Vol. 271, No. 5248, Jan. 26, 1996
Next Issue: New Series, Vol. 271, No. 5250, Feb. 9, 1996

Science, New Series, Vol. 271, No. 5250, Feb. 9, 1996

Previous Issue: New Series, Vol. 271, No. 5249, Feb. 2, 1996
Next Issue: New Series, Vol. 271, No. 5251, Feb. 16, 1996

Front Matter (18 pp.)
Editorial: An Enhanced Perspective, p. 741

Floyd E. Bloom

Letters

Hormonal Activity, p. 743

Dorothy L. (Mrs. R. C.) Laben

Biological Determinism, pp. 743-744

Adolf Heschl; Roger A. Sedjo

Low-Angle Faults, pp. 744-745

George A. Thompson

The Science Doctorate, pp. 745-747

Richard W. Kerrigan; Charlotte E. Hotchkiss; Robert Kokenyesi; Carl A. Schnaitman; J. W. Costerton; Robert B. Green

Gene Therapy: False Expectations?, p. 747

Krishna R. Dronamraju

ScienceScope, p. 749

Jocelyn Kaiser

News

ARC Affair Troubles French Scientists, pp. 750-751

Michael Balter

NIH Clinical Center Gets a Boost, pp. 751-752

Eliot Marshall

Showdown at the UC Corral, p. 752

Marcia Barinaga

Two Eyes are Better Than One, p. 752

Jocelyn Kaiser

Russian Deal Bolsters the Space Station-at a Price, pp. 753-754

Andrew Lawler

A Familiar Face for a Distant Galaxy?, p. 754

Tim Appenzeller

Results on New AIDS Drugs Bring Cautious Optimism, pp. 755-756

Jon Cohen

Galactic Building Blocks Found?, p. 756

James Glanz

Where Do Meteorites Come From? A NEAR Miss May Tell, p. 757

Richard A. Kerr

Collisions Hint That Quarks Might Not Be Indivisible, p. 758

James Glanz

Do Galaxies Fly Through the Universe in Formation?, p. 759

Robert Matthews

Moving Forest Trees Into the Modern Genetics Era, pp. 760-761

Anne Simon Moffat

Random Samples, p. 763

Jocelyn Kaiser

Special News Report

Science Journals Go Wired, pp. 764-766

Gary Taubes

Electronic Preprints Point the Way to 'Author Empowerment', pp. 767-768

Gary Taubes

Book Reviews

Advances for Epidemiology, p. 770

Biomarkers and Occupational Health. Progress and Perspectives.

Mortimer L. Mendelsohn; John P. Peeters; Mary Janet Normandy; Joseph Henry Press

Review author[s]: Dale Hattis

A Global Campaign, pp. 770-771

The War Against Hepatitis B. A History of the International Task Force on Hepatitis B Immunization.

William A. Muraskin

Review author[s]: Johannes Sommerfeld

Other Health Issues, p. 771

Infectious Diseases in an Age of Change. The Impact of Human Ecology and Behavior on Disease Transmission.

Bernard Roizman

Review author[s]: Katherine Livingston

Perspectives

Probing Catalysts with Water, pp. 774-775

Joachim Sauer

An Ice Shelf Breakup, pp. 775-776

Mark Fahnestock

Indeterminate Organization of the Visual System, pp. 776-777

Claus-C. Hilgetag; Mark A. O'Neill; Malcolm P. Young

On Hierarchies: Response to Hilgetag et al, p. 777

David C. Van Essen; Daniel J. Felleman

Intercalation, DNA Kinking, and the Control of Transcription, pp. 778-784

Milton H. Werner; Angela M. Gronenborn; G. Marius Clore

Reports

Human Appropriation of Renewable Fresh Water, pp. 785-788

Sandra L. Postel; Gretchen C. Daily; Paul R. Ehrlich

Rapid Collapse of Northern Larsen Ice Shelf, Antarctica, pp. 788-792

Helmut Rott; Pedro Skvarca; Thomas Nagler

DNA: An Extensible Molecule, pp. 792-794

Philippe Cluzel; Anne Lebrun; Christoph Heller; Richard Lavery; Jean-Louis Viovy; Didier Chatenay; François Caron

Overstretching B-DNA: The Elastic Response of Individual Double-Stranded and Single-Stranded DNA Molecules, pp. 795-799

Steven B. Smith; Yujia Cui; Carlos Bustamante

On the Nature of Water Bound to a Solid Acid Catalyst, pp. 799-802

L. Smith; A. K. Cheetham; R. E. Morris; L. Marchese; J. M. Thomas; P. A. Wright; J. Chen

Mutagenesis in Mammalian Cells Induced by Triple Helix Formation and Transcription-Coupled Repair, pp. 802-805

Gan Wang; Michael M. Seidman; Peter M. Glazer

Cell Killing by the Drosophila Gene reaper, pp. 805-807

Kristin White; Elvan Tahaoglu; Hermann Steller

Requirement of an ICE-Like Protease for Induction of Apoptosis and Ceramide Generation by REAPER, pp. 808-810

Gijsbertus J. Pronk; Kevin Ramer; Payman Amiri; Lewis T. Williams

Stimulation of Membrane Ruffling and MAP Kinase Activation by Distinct Effectors of RAS, pp. 810-812

Tom Joneson; Michael A. White; Michael H. Wigler; Dafna Bar-Sagi

PKC-Dependent Stimulation of Exocytosis by Sulfonylureas in Pancreatic β Cells, pp. 813-815

Lena Eliasson; Erik Renström; Carina Ämmälä; Per-Olof Berggren; Alejandro M. Bertorello; Krister Bokvist; Alexander Chibalin; Jude T. Deeney; Peter R. Flatt; Jakob Gäbel; Jesper Gromada; Olof Larsson; Per Lindström; Christopher J. Rhodes; Patrik Rorsman

Cold-Induced Expression of Δ⁹-Desaturase in Carp by Transcriptional and Posttranslational Mechanisms, pp. 815-818

P. E. Tiku; A. Y. Gracey; A. I. Macartney; R. J. Beynon; A. R. Cossins

Identification of a Committed Precursor for the Mast Cell Lineage, pp. 818-822

Hans-Reimer Rodewald; Mark Dessing; Ann M. Dvorak; Stephen J. Galli

Activation of BTK by a Phosphorylation Mechanism Initiated by SRC Family Kinases, pp. 822-825

David J. Rawlings; Andrew M. Scharenberg; Hyunsun Park; Matthew I. Wahl; Siqi Lin; Roberta M. Kato; Anne-Catherine Fluckiger; Owen N. Witte; Jean-Pierre Kinet

Back Matter (51 pp.)

Previous Issue: New Series, Vol. 271, No. 5249, Feb. 2, 1996
Next Issue: New Series, Vol. 271, No. 5251, Feb. 16, 1996

Science, New Series, Vol. 271, No. 5251, Feb. 16, 1996

Previous Issue: New Series, Vol. 271, No. 5250, Feb. 9, 1996
Next Issue: New Series, Vol. 271, No. 5252, Feb. 23, 1996

Front Matter (23 pp.)
Editorial: Clusters, p. 889

John I. Brauman

Letters

Fusion Prospects, pp. 891-893

Thomas H. Stix; Ernesto Mazzucato; William E. Parkins

Comparing Student Test Scores, pp. 893-895

Andrew Ahlgren; Iris C. Rotberg

HHMI Awards, p. 895

Iain L. O. Buxton

Corrections and Clarifications: AIDS Trials Take on Peer Review, p. 895
Corrections and Clarifications: The Bell Curve: A Statement, p. 895
Corrections and Clarifications: Ensemble Activity and Behavior: What's the Code?, p. 895
ScienceScope, p. 897

Jocelyn Kaiser

News and Comment

Britain's Big Science in a Bind, pp. 898-899

Nigel Williams

Walker Sets Off Alarm Bells With Efforts to Rein in EOS, p. 900

Andrew Lawler

NCI Cuts Contracts to Fund More Grants, p. 901

Eliot Marshall

Calculus Reform Sparks a Backlash, pp. 901-902

Barry Cipra

Linacs Offer Straight Line to Future, pp. 902-903

Alexander Hellemans

Heavy Hitters Anchor the AAAS Lineup at Annual Meeting, pp. 903-904

Andrew Lawler; Jeffrey Mervis; Eliot Marshall

Research News

Setting a Biological Stopwatch, pp. 905-906

Virginia Morell

Star-Watchers Team Up Telescopes for a Sharper View, pp. 907-908

Andrew Watson

Adding Depth to X-ray Maps, p. 908

James Glanz

New Clues to Brain Dopamine Control, Cocaine Addiction, p. 909

Michael Balter

Seismologists Learn the Language of Quakes, pp. 910-911

Richard A. Kerr

Quark Studies Put Theorists in a Spin, p. 911

Alexander Hellemans

Leishmania Susceptibility Puzzle Gets Another Twist, pp. 912-913

Jean Marx

Researchers Nail Down Leptin Receptor, p. 913

Marcia Barinaga

Random Samples, p. 915

Constance Holden

Cluster

News

Small Clusters Hit the Big Time, pp. 920-922

Robert F. Service

Clusters Whip Light Atomic Nuclei Into Shape, pp. 922-924

Nina Hall

Structure, Dynamics, and Thermodynamics of Clusters: Tales from Topographic Potential Surfaces, pp. 925-929

David J. Wales

Water Clusters, pp. 929-933

K. Liu; J. D. Cruzan; R. J. Saykally

Semiconductor Clusters, Nanocrystals, and Quantum Dots, pp. 933-937

A. P. Alivisatos

Magnetic Clusters in Molecular Beams, Metals, and Semiconductors, pp. 937-941

Jing Shi; S. Gider; K. Babcock; D. D. Awschalom

Ab Initio Calculations of Fullerenes, pp. 942-945

Gustavo E. Scuseria

Book Reviews

Foresighted Virology, p. 948

The DNA Provirus. Howard Temin's Scientific Legacy.

Geoffrey M. Cooper; Rayla Greenberg Temin; Bill Sugden

Review author[s]: G. Steven Martin

Molecular Collectives, p. 949

Supramolecular Chemistry. Concepts and Perspectives.

Jean-Marie Lehn

Review author[s]: Jay S. Siegel

Books Received, p. 950

Perspectives

Do Big and Little Earthquakes Start Differently?, pp. 953-954

John E. Vidale

Bio-Molecular Dynamics Comes of Age, pp. 954-955

Herman J. C. Berendsen

When Proteins Receive Deadly Messages at Birth, pp. 955-956

Stefan Jentsch

Research Article

A Lower Limit on the Age of the Universe, pp. 957-961

Brian Chaboyer; Pierre Demarque; Peter J. Kernan; Lawrence M. Krauss

Reports

Dust: A Diagnostic of the Hydrologic Cycle during the Last Glacial Maximum, pp. 962-963

Yuk L. Yung; Typhoon Lee; Chung-Ho Wang; Ying-Tzung Shieh

From Topographies to Dynamics on Multidimensional Potential Energy Surfaces of Atomic Clusters, pp. 963-966

Keith D. Ball; R. Stephen Berry; Ralph E. Kunz; Feng-Yin Li; Ana Proykova; David J. Wales

Catalytic Cleavage of the C-H and C-C Bonds of Alkanes by Surface Organometallic Chemistry: An EXAFS and IR Characterization of a Zr-H Catalyst, pp. 966-969

Judith Corker; Frédéric Lefebvre; Christine Lécuyer; Véronique Dufaud; Françoise Quignard; Agnès Choplin; John Evans; Jean-Marie Basset

Lamellar Biogels: Fluid-Membrane-Based Hydrogels Containing Polymer Lipids, pp. 969-973

Heidi E. Warriner; Stefan H. J. Idziak; Nelle L. Slack; Patrick Davidson; Cyrus R. Safinya

Were Thick Galactic Disks Made by Levitation?, pp. 973-975

S. Sridhar; J. Touma

Complex Phase Behavior in Solvent-Free Nonionic Surfactants, pp. 976-978

Marc A. Hillmyer; Frank S. Bates; Kristoffer Almdal; Kell Mortensen; Anthony J. Ryan; J. Patrick A. Fairclough

Chain Migration of Neuronal Precursors, pp. 978-981

Carlos Lois; Jose-Manuel García-Verdugo; Arturo Alvarez-Buylla

Role of Rho in Chemoattractant-Activated Leukocyte Adhesion Through Integrins, pp. 981-983

Carlo Laudanna; James J. Campbell; Eugene C. Butcher

Genetic Susceptibility to Leishmania: IL-12 Responsiveness in T_H1 Cell Development, pp. 984-987

Mehmet L. Güler; James D. Gorham; Chyi-Song Hsieh; Aaron J. Mackey; Robert G. Steen; William F. Dietrich; Kenneth M. Murphy

Susceptibility to Leishmania major Infection in Interleukin-4-Deficient Mice, pp. 987-990

Nancy Noben-Trauth; Pascale Kropf; Ingrid Müller

Role of a Peptide Tagging System in Degradation of Proteins Synthesized from Damaged Messenger RNA, pp. 990-993

Kenneth C. Keiler; Patrick R. H. Waller; Robert T. Sauer

Phenotypes of Mouse Diabetes and Rat Fatty Due to Mutations in the OB (Leptin) Receptor, pp. 994-996

Streamson C. Chua Jr.; Wendy K. Chung; X. Sharon Wu-Peng; Yiying Zhang; Shun-Mei Liu; Louis Tartaglia; Rudolph L. Leibel

Ligand Binding: Molecular Mechanics Calculation of the Streptavidin-Biotin Rupture Force, pp. 997-999

Helmut Grübmuller; Berthold Heymann; Paul Tavan

Direct Visualization of A-, P-, and E-Site Transfer RNAs in the Escherichia coli Ribosome, pp. 1000-1002

Rajendra K. Agrawal; Pawel Penczek; Robert A. Grassucci; Yanhong Li; ArDean Leith; Knud H. Nierhaus; Joachim Frank

Back Matter (22 pp.)

Previous Issue: New Series, Vol. 271, No. 5250, Feb. 9, 1996
Next Issue: New Series, Vol. 271, No. 5252, Feb. 23, 1996

Science, New Series, Vol. 271, No. 5252, Feb. 23, 1996

Previous Issue: New Series, Vol. 271, No. 5251, Feb. 16, 1996
Next Issue: New Series, Vol. 271, No. 5253, Mar. 1, 1996

Front Matter (36 pp.)
Editorial: Science and the American Dream, p. 1037

Neal F. Lane

Letters

Superconductivity Researchers, p. 1039

Richard L. Greene

A Prediction of the Bose-Einstein Condensate, pp. 1039-1040

Russell J. Donnelly

Air Quality in Mexico City, pp. 1040-1042

Francisco Guzmán; María E. Ruíz; Elizabeth Vega; Donald R. Blake; F. Sherwood Rowland

Climate Change Consensus, pp. 1042-1043

Michael J. Prather

HIV Viral Load Assay, p. 1043

Cecil H. Fox; Barton F. Haynes

ScienceScope, p. 1045

Jocelyn Kaiser

News and Comment

Big Science is Booming in Japan, pp. 1046-1048

Dennis Normile

Clinton's R&D Achievements Tilt Toward Technology, pp. 1049-1050

Andrew Lawler

MIT Torn by Bitter Dispute Over Missile, pp. 1050-1052

Jock Friedly

Funding Crisis Provokes Street Protests, p. 1052

Andrey Allakhverdov

Research News

Putting Stiffness in Earth's Mantle, pp. 1053-1054

Richard A. Kerr

AAAS Gathering Explores Animals, Aliens, and Atoms, pp. 1055-1056

Robert F. Service; Richard A. Kerr; Lisa Seachrist

Regulating G Protein Signaling, pp. 1056-1058

Wade Roush

New Images Wet Researchers' Appetites, p. 1058

Daniel Clery

A Split-Personality X-ray Beacon Tantalizes Theorists, p. 1059

James Glanz

Analyzing Molecular Structure with Astronomical Speed, p. 1060

Wade Roush

Random Samples, pp. 1061+1063

Constance Holden

Book Reviews

Evolutionary Transitions, p. 1075

Tempo and Mode in Evolution. Genetics and Paleontology 50 Years After Simpson.

Walter M. Fitch; Francisco J. Ayala

Review author[s]: Allan Larson

Phosphorylators, p. 1076

Protein Kinases.

James Robert Woodgett

Review author[s]: James T. Stull

Books Received, p. 1076

Perspectives

Molecular Trees: A New Branch of Chemistry, pp. 1077-1078

Thomas W. Bell

Evolving Catalysts in Real Time, pp. 1078-1079

Mark M. Davis

Delivery of Molecular Medicine to Solid Tumors, pp. 1079-1080

Rakesh K. Jain

The Galvanization of Biology: A Growing Appreciation for the Roles of Zinc, pp. 1081-1085

Jeremy M. Berg; Yigong Shi

Research Article

The Immunological Evolution of Catalysis, pp. 1086-1091

Phillip A. Patten; Nathanael S. Gray; Priscilla L. Yang; Cara B. Marks; Gary J. Wedemayer; J. Jay Boniface; Raymond C. Stevens; Peter G. Schultz

Reports

Drilling and Dating New Jersey Oligocene-Miocene Sequences: Ice Volume, Global Sea Level, and Exxon Records, pp. 1092-1095

Kenneth G. Miller; Gregory S. Mountain

Self-Assembling Dendrimers, pp. 1095-1098

Steven C. Zimmerman; Fanwen Zeng; David E. C. Reichert; Sergei V. Kolotuchin

Re-Os Ages of Group IIA, IIIA, IVA, and IVB Iron Meteorites, pp. 1099-1102

Michael I. Smoliar; Richard J. Walker; John W. Morgan

The Swelling of Clays: Molecular Simulations of the Hydration of Montmorillonite, pp. 1102-1104

S. Karaborni; B. Smit; W. Heidug; J. Urai; E. van Oort

Middle to Late Paleozoic Atmospheric CO₂ Levels from Soil Carbonate and Organic Matter, pp. 1105-1107

Claudia I. Mora; Steven G. Driese; Lee Ann Colarusso

Initial Results of Radio Occultation Observations of Earth's Atmosphere Using the Global Positioning System, pp. 1107-1110

E. R. Kursinski; G. A. Hajj; W. I. Bertiger; S. S. Leroy; T. K. Meehan; L. J. Romans; J. T. Schofield; D. J. McCleese; W. G. Melbourne; C. L. Thornton; T. P. Yunck; J. R. Eyre; R. N. Nagatani

Observations of Carbon Monoxide in Comet Hale-Bopp, pp. 1110-1113

David Jewitt; Matthew Senay; Henry Matthews

Imitation of Escherichia coli Aspartate Receptor Signaling in Engineered Dimers of the Cytoplasmic Domain, pp. 1113-1116

Andrea G. Cochran; Peter S. Kim

Heparin Structure and Interactions with Basic Fibroblast Growth Factor, pp. 1116-1120

S. Faham; R. E. Hileman; J. R. Fromm; R. J. Linhardt; D. C. Rees

The p21 ^RAS Farnesyltransferase a Subunit in TGF-b and Activin Signaling, pp. 1120-1122

Tongwen Wang; Paul D. Danielson; Bi-yu Li; Paresh C. Shah; Stephen D. Kim; Patricia K. Donahoe

Locus Control Region Function and Heterochromatin-Induced Position Effect Variegation, pp. 1123-1125

Richard Festenstein; Mauro Tolaini; Paola Corbella; Clio Mamalaki; Jenny Parrington; Margaret Fox; Antigoni Miliou; Margaret Jones; Dimitris Kioussis

Congenital Jaundice in Rats with a Mutation in a Multidrug Resistance- Associated Protein Gene, pp. 1126-1128

Coen C. Paulusma; Piter J. Bosma; Guido J. R. Zaman; Conny T. M. Bakker; Marlies Otter; George L. Scheffer; Rik J. Scheper; Piet Borst; Ronald P. J. Oude Elferink

IRAK: A Kinase Associated with the Interleukin-1 Receptor, pp. 1128-1131

Zhaodan Cao; William J. Henzel; Xiong Gao

Technical Comments

How Much Solar Radiation do Clouds Absorb?, pp. 1131-1136

Graeme L. Stephens; R. D. Cess; M. H. Zhang; Peter Pilewskie; Francisco P. J. Valero

Interhelical Salt Bridges, Coiled-Coil Stability, and Specificity of Dimerization, pp. 1136-1138

Pierre Lavigne; Frank D. Sönnichsen; Cyril M. Kay; Robert S. Hodges; Kevin J. Lumb; Peter S. Kim

AAAS News and Notes, p. 1149

Diana Parsell

Back Matter (51 pp.)

Previous Issue: New Series, Vol. 271, No. 5251, Feb. 16, 1996
Next Issue: New Series, Vol. 271, No. 5253, Mar. 1, 1996

Science, New Series, Vol. 271, No. 5253, Mar. 1, 1996

Previous Issue: New Series, Vol. 271, No. 5252, Feb. 23, 1996
Next Issue: New Series, Vol. 271, No. 5254, Mar. 8, 1996

Front Matter (18 pp.)
Editorial: Bureaucrats Save Lives, p. 1213

Gerald R. Fink

Letters

Lioness Leadership, pp. 1215-1216

Gary C. Jahn; Craig Packer; Robert Heinsohn

Treatment of Chronic Lyme Disease, pp. 1216-1218

Allen C. Steere

Effective U.S. Science Continued, pp. 1218-1219

Roger Geiger; Roger A. Pielke Jr.; Radford Byerly Jr.

ScienceScope, p. 1221

Jocelyn Kaiser

News and Comment

Leadership Crisis Rocks Academy, pp. 1222-1223

Andrew Lawler

Fate of Tether Hangs by a Thread, p. 1223

Andrew Lawler

Klausner's Unconventional 'Field Station' in Seattle, pp. 1224-1225

Eliot Marshall

Donna Shalala: 'Leaving Footprints' at HHS, pp. 1225-1226

Eliot Marshall

Vaccine Drought Spurs NIAID Plan to Improve Industry Ties, pp. 1227-1228

Jon Cohen

FDA Reform Starts Down the Track, p. 1228

Jocelyn Kaiser

Research News

Is Hippocampal Cell Death a Myth?, pp. 1229-1230

Ingrid Wickelgren

Isotope Switch Toughens Transistors, p. 1230

James Glanz

Dim Corona Foreshadows Storms, p. 1231

Kim Peterson

GSI Bags Another New Element, p. 1231

Robert Koenig

Mixing Nanotube Structures to Make a Tiny Switch, p. 1232

Robert F. Service

An Intriguing New Lead on Huntington's Disease, pp. 1233-1234

Marcia Barinaga

T Cell Inactivation Linked to Ras Block, p. 1234

Nigel Williams

Random Samples, pp. 1235+1237

Constance Holden

Book Reviews

Transfer RNA, pp. 1240-1241

tRNA. Structure, Biosynthesis, and Function.

Dieter Söll; Uttam L. Rajbhandary

Review author[s]: Robert A. Zimmermann

----------------, p. 1241

The Cortical Neuron.

Michael J. Gutnick; Istvan Mody

Review author[s]: Daniel Johnston

Books Received, pp. 1241-1242

Perspectives

Cool Gas in the Virgo Cluster?, pp. 1244-1245

A. C. Fabian

The Whole Lactose Repressor, pp. 1245-1246

Kathleen S. Matthews

Research Article

Crystal Structure of the Lactose Operon Repressor and Its Complexes with DNA and Inducer, pp. 1247-1254

Mitchell Lewis; Geoffrey Chang; Nancy C. Horton; Michele A. Kercher; Helen C. Pace; Maria A. Schumacher; Richard G. Brennan; Ponzy Lu

Reports

Doping-Induced Change of Superconducting Gap Anisotropy in Bi₂Sr₂Ca₁Cu₂O _8+δ, pp. 1255-1257

R. J. Kelley; C. Quitmann; M. Onellion; H. Berger; P. Almeras; G. Margaritondo

Model Estimations Biased by Truncated Expansions: Possible Artifacts in Seismic Tomography, pp. 1257-1260

Jeannot Trampert; Roel Snieder

Radiation-Induced Diamond Formation in Uranium-Rich Carbonaceous Materials, pp. 1260-1263

Tyrone L. Daulton; Minoru Ozima

Impact Origin of the Chesapeake Bay Structure and the Source of the North American Tektites, pp. 1263-1266

Christian Koeberl; C. Wylie Poag; Wolf Uwe Reimold; Dion Brandt

Biomimetic Templating of Porous Lamellar Silicas by Vesicular Surfactant Assemblies, pp. 1267-1269

Peter T. Tanev; Thomas J. Pinnavaia

A Distinct G₁ Step Required to Specify the Chinese Hamster DHFR Replication Origin, pp. 1270-1272

Jia-Rui Wu; David M. Gilbert

Blocked Signal Transduction to the ERK and JNK Protein Kinases in Anergic CD4⁺ T Cells, pp. 1272-1276

Wei Li; Carmella D. Whaley; Anna Mondino; Daniel L. Mueller

Blocked Ras Activation in Anergic CD4⁺ T Cells, pp. 1276-1278

Patrick E. Fields; Thomas F. Gajewski; Frank W. Fitch

Antigen Presentation and T Cell Development in H2-M-Deficient Mice, pp. 1278-1281

Wai-Ping Fung-Leung; Charles D. Surh; Monika Liljedahl; Jesse Pang; Didier Leturcq; Per A. Peterson; Susan R. Webb; Lars Karlsson

Enhanced Fidelity of 3TC-Selected Mutant HIV-1 Reverse Transcriptase, pp. 1282-1285

Mark A. Wainberg; William C. Drosopoulos; Horacio Salomon; Mayla Hsu; Gadi Borkow; Michael A. Parniak; Zhengxian Gu; Qingbin Song; Jayanthi Manne; Sabina Islam; Gino Castriota; Vinayaka R. Prasad

Somatic Mutation of Immunoglobulin V Genes In vitro, pp. 1285-1289

Eva Källberg; Sandra Jainandunsing; David Gray; Tomas Leanderson

Role of Lymphotoxin and the Type I TNF Receptor in the Formation of Germinal Centers, pp. 1289-1291

Mitsuru Matsumoto; Sanjeev Mariathasan; Moon H. Nahm; Ferenc Baranyay; Jacques J. Peschon; David D. Chaplin

HIV-1 Langerhans' Cell Tropism Associated with Heterosexual Transmission of HIV, pp. 1291-1293

Luis E. Soto-Ramirez; Boris Renjifo; Mary F. McLane; Richard Marlink; Carl O'Hara; Ruengpung Sutthent; Chantapong Wasi; Prakong Vithayasai; Vicharn Vithayasai; Chatchawann Apichartpiyakul; Prasert Auewarakul; Victor Peña Cruz; Dao-Shan Chui; Rapin Osathanondh; Kenneth Mayer; Tun-Hou Lee; Max Essex

Bidirectional Control of Quantal Size by Synaptic Activity in the Hippocampus, pp. 1294-1297

Stéphane H. R. Oliet; Robert C. Malenka; Roger A. Nicoll

Technical Comments

Coral Reefs and Carbon Dioxide, pp. 1298-1300

J.-P. Gattuso; M. Frankignoulle; S. V. Smith; J. R. Ware; R. Wollast; Robert W. Buddemeier; Hajime Kayanne

Self-Fertilization, Linkage Disequilibrium, and Strain in Plasmodium falciparum, pp. 1300-1301

M. Tibayrenc; A. Lal; Richard E. L. Paul; Karen P. Day

Faunal Evidence and Sterkfontein Member 2 Foot Bones of Early Hominid, pp. 1301-1302

Jeffrey K. McKee; Phillip V. Tobias; Ronald J. Clarke

More Haemophilus and Mycoplasma Genes, pp. 1302-1304

Jürgen Brosius; Keith Robison; Walter Gilbert; George M. Church; J. Craig Venter

Back Matter (32 pp.)

Previous Issue: New Series, Vol. 271, No. 5252, Feb. 23, 1996
Next Issue: New Series, Vol. 271, No. 5254, Mar. 8, 1996

Science, New Series, Vol. 271, No. 5254, Mar. 8, 1996

Previous Issue: New Series, Vol. 271, No. 5253, Mar. 1, 1996
Next Issue: New Series, Vol. 271, No. 5255, Mar. 15, 1996

Front Matter (13 pp.)
Editorial: Research Pays Off, p. 1343

Vinton G. Cerf

Letters

Whistleblowing Consequences, p. 1345

Lawrence J. Rhoades

Academia vs. National Labs, pp. 1345-1346

Norman Metzger; Thomas Dietz

Genetics and Informed Consent, pp. 1346-1347

Lori B. Andrews

Access to the Internet, p. 1347

Susumu Wakai

From Plants to Mammals, pp. 1347-1348

M. A. Matzke; R. A. Jorgensen

Sea Grant Fellows, p. 1348

Ronald C. Baird

Consider the Amateur, pp. 1348-1349

Forrest M. Mims III

"Allons Enfants...", p. 1349

Robert Weeks

Drosophila Homolog of Yeast ORC: Correction, p. 1349

Manfred Gossen; Daniel T. S. Pak; Michael R. Botchan

Corrections and Clarifications: Policy on DNA Research Troubles Tissue Bankers, p. 1349
Corrections and Clarifications: Transfer of Genes to Humans: Early Lessons and Obstacles to Success, p. 1349
ScienceScope, p. 1351

Jocelyn Kaiser

News and Comment

Gene Hunters Close In On Elusive Prey, pp. 1352-1354

Patricia Kahn

NASA Revises EOS, Adds Small Craft, p. 1355

Andrew Lawler

Los Alamos Takes Step Back to Its Roots, pp. 1355-1356

Jonathan Weisman

Putting Museumgoers in Scientists' Shoes, p. 1356

Wade Roush

Anti-Evolution TV Show Prompts Furor, p. 1357

Constance Holden

Yellow Light for Pig-Human Transplants, p. 1357

Claire O'Brien

Japan Trolls for Global Support of Deepest Drilling Vessel, pp. 1358-1359

Dennis Normile

Gallo's Institute at the Last Hurdle, p. 1359

Eliot Marshall

Research News

A New Dawn for Sun-Climate Links?, pp. 1360-1361

Richard A. Kerr

Oil-Drop Trap Is Set for a Lone Quark, pp. 1361-1362

Steve Nadis

Focal Species Offer Management Tool, pp. 1362-1363

William James Davis

Tuning a Catalyst for New Plastics, p. 1363

Robert F. Service

Evidence Mounts for Our African Origins-and Alternatives, p. 1364

Joshua Fischman

Streetcar Carries Evolution Modelers Around Roadblocks, pp. 1365-1366

Nigel Williams

Random Samples, pp. 1367+1369

Constance Holden

Book Reviews

Mating Arenas, pp. 1370-1371

Leks.

Jacob Höglund; Rauno V. Alatalo

Review author[s]: Marlene Zuk

Visual Perception, p. 1371

Foundations of Vision.

Brian A. Wandell

Review author[s]: Karen K. De Valois

Also Noteworthy, p. 1371

Atoms, Bombs, and Eskimo Kisses. A Memoir of Father and Son.

Claudio G. Segrè

Review author[s]: Katherine Livingston

Books Received, p. 1371

Perspectives

Isolated Neutron Stars, pp. 1372-1373

Giovanni F. Bignami

Intermittently Flowing Rivers of Magnetic Flux, pp. 1373-1374

Franco Nori

The Expanding World of Trinucleotide Repeats, pp. 1374-1375

Stephen T. Warren

Basins of Attraction, pp. 1376-1380

Helena E. Nusse; James A. Yorke

Global Patterns of Linkage Disequilibrium at the CD4 Locus and Modern Human Origins, pp. 1380-1387

S. A. Tishkoff; E. Dietzsch; W. Speed; A. J. Pakstis; J. R. Kidd; K. Cheung; B. Bonné-Tamir; A. S. Santachiara-Benerecetti; P. Moral; M. Krings; S. Pääbo; E. Watson; N. Risch; T. Jenkins; K. K. Kidd

Research Article

The Exchange of Impact Ejecta Between Terrestrial Planets, pp. 1387-1392

Brett J. Gladman; Joseph A. Burns; Martin Duncan; Pascal Lee; Harold F. Levison

Reports

Observation of Dynamic Interaction of Vortices with Pinning Centers by Lorentz Microscopy, pp. 1393-1395

Tsuyoshi Matsuda; Ken Harada; Hiroto Kasai; Osamu Kamimura; Akira Tonomura

Understanding the Catalytic Behavior of Zeolites: A First-Principles Study of the Adsorption of Methanol, pp. 1395-1397

Rajiv Shah; M. C. Payne; M.-H. Lee; Julian D. Gale

Reversible Cleavage and Formation of the Dioxygen O-O Bond Within a Dicopper Complex, pp. 1397-1400

Jason A. Halfen; Samiran Mahapatra; Elizabeth C. Wilkinson; Susan Kaderli; Victor G. Young, Jr.; Lawrence Que, Jr.; Andreas D. Zuberbühler; William B. Tolman

High-Pressure Compounds in Methane-Hydrogen Mixtures, pp. 1400-1402

M. S. Somayazulu; L. W. Finger; R. J. Hemley; H. K. Mao

Comparison of Radiative and Physiological Effects of Doubled Atmospheric CO₂ on Climate, pp. 1402-1406

P. J. Sellers; L. Bounoua; G. J. Collatz; D. A. Randall; D. A. Dazlich; S. O. Los; J. A. Berry; I. Fung; C. J. Tucker; C. B. Field; T. G. Jensen

The Amyloid Precursor Protein of Alzheimer's Disease in the Reduction of Copper(II) to Copper(I), pp. 1406-1409

Gerd Multhaup; Andrea Schlicksupp; Lars Hesse; Dirk Beher; Thomas Ruppert; Colin L. Masters; Konrad Beyreuther

Catalytic Role of 2′-Hydroxyl Groups Within a Group II Intron Active Site, pp. 1410-1413

Dana L. Abramovitz; Richard A. Friedman; Anna Marie Pyle

Uncoupling of GTP Binding from Target Stimulation by a Single Mutation in the Transducin α Subunit, pp. 1413-1416

Rohit Mittal; Jon W. Erickson; Richard A. Cerione

Rearrangement-Enhancing Element Upstream of the Mouse Immunoglobulin Kappa Chain J Cluster, pp. 1416-1420

Laurent Ferradini; Hua Gu; Annie De Smet; Klaus Rajewsky; Claude-Agnès Reynaud; Jean-Claude Weill

Electrophoretically Uniform Fluorescent Dyes for Automated DNA Sequencing, pp. 1420-1422

Michael L. Metzker; Jing Lu; Richard A. Gibbs

Friedreich's Ataxia: Autosomal Recessive Disease Caused by an Intronic GAA Triplet Repeat Expansion, pp. 1423-1427

Victoria Campuzano; Laura Montermini; Maria Dolores Moltò; Luigi Pianese; Mireille Cossée; Francesca Cavalcanti; Eugenia Monros; François Rodius; Franck Duclos; Antonella Monticelli; Federico Zara; Joaquin Cañizares; Hana Koutnikova; Sanjay I. Bidichandani; Cinzia Gellera; Alexis Brice; Paul Trouillas; Giuseppe De Michele; Alessandro Filla; Rosa De Frutos; Francisco Palau; Pragna I. Patel; Stefano Di Donato; Jean-Louis Mandel; Sergio Cocozza; Michel Koenig; Massimo Pandolfo

Egr-1-Induced Endothelial Gene Expression: A Common Theme in Vascular Injury, pp. 1427-1431

Levon M. Khachigian; Volkhard Lindner; Amy J. Williams; Tucker Collins

Technical Comments

Sperm-Egg Binding Protein or Proto-Oncogene?, pp. 1431-1435

Peer Bork; Patricia Saling; Rosa Carballada; Deborah Burks; Harry Moore

Science's Next Wave: Using Science to Help Shape The Nation's Policies, p. 1439

Virginia Morell

Back Matter (28 pp.)

Previous Issue: New Series, Vol. 271, No. 5253, Mar. 1, 1996
Next Issue: New Series, Vol. 271, No. 5255, Mar. 15, 1996

Science, New Series, Vol. 271, No. 5255, Mar. 15, 1996

Previous Issue: New Series, Vol. 271, No. 5254, Mar. 8, 1996
Next Issue: New Series, Vol. 271, No. 5256, Mar. 22, 1996

Front Matter (24 pp.)
Editorial: Protein Kinesis, p. 1477

Stella M. Hurtley

Letters

Rohrabacher re Gore, p. 1479

Dana Rohrabacher

AIDS and Ethnicity, pp. 1479-1481

Mike Males; Seamus McMillan; Philip S. Rosenberg

Climate Change Report, pp. 1481-1483

T. M. L. Wigley; S. Fred Singer

Space Research, p. 1483

Dietrich Müller

ScienceScope, p. 1485

Andrew Lawler

News and Comment

A Fleet Too Good to Afford?, pp. 1486-1488

Jeffrey Mervis

Study Inflames Ward Valley Controversy, pp. 1488-1489

Jonathan Weisman

New Zealand's Leap Into Gene Therapy, pp. 1489-1490

Eliot Marshall

Giant Merger Creates Biotech Power, p. 1490

Robert Koenig

Panel Urges NIH to Loosen Its Grip on AIDS Research, p. 1491

Jon Cohen

Support Builds for Curbs on Lifetime Faculty Posts, p. 1492

Dennis Normile

Research News

Misfolding the Way to Disease, pp. 1493-1495

Gary Taubes

Does the Sun Trigger Outbursts from Earth's Magnetosphere?, p. 1496

Richard A. Kerr

Biodiversity is a Boon to Ecosystems, Not Species, p. 1497

Anne Simon Moffat

Protein Motors May Drive Cells on Route to Specialization, pp. 1498-1499

Wade Roush

Rat Study Sheds Light on Cocaine Craving, p. 1499

Claire O'Brien

Random Samples, p. 1501

Constance Holden

Book Reviews

Enzyme Frontiers, pp. 1507-1508

Cytochrome P450. Structure, Mechanism, and Biochemistry.

Paul R. Ortiz de Montellano

Review author[s]: John Dawson

Oceanic Vents, p. 1508

Seafloor Hydrothermal Systems. Physical, Chemical, Biological, and Geological Interactions.

Susan E. Humphris; Robert A. Zierenberg; Lauren S. Mullineaux; Richard E. Thomson

Review author[s]: J. M. Edmond

Perspectives

Molecules on Ice, p. 1509

David C. Clary

Iron Metabolism in Eukaryotes: Mars and Venus at it Again, pp. 1510-1512

Jerry Kaplan; Thomas V. O'Halloran

V(D)J Recombination and Transposition: Closer Than Expected, p. 1512

Nancy L. Craig

Protein Kinesis

Nucleocytoplasmic Transport, pp. 1513-1518

Dirk Görlich; Iain W. Mattaj

Common Principles of Protein Translocation across Membranes, pp. 1519-1526

Gottfried Schatz; Bernhard Dobberstein

Coat Proteins and Vesicle Budding, pp. 1526-1533

Randy Schekman; Lelio Orci

Phosphoinositides as Regulators in Membrane Traffic, pp. 1533-1539

Pietro De Camilli; Scott D. Emr; Peter S. McPherson; Peter Novick

Targeting of Motor Proteins, pp. 1539-1544

Richard B. Vallee; Michael P. Sheetz

Research Articles

Toward an Astrophysical Theory of Chondrites, pp. 1545-1552

Frank H. Shu; Hsien Shang; Typhoon Lee

A Permease-Oxidase Complex Involved in High-Affinity Iron Uptake in Yeast, pp. 1552-1557

Robert Stearman; Daniel S. Yuan; Yuko Yamaguchi-Iwai; Richard D. Klausner; Andrew Dancis

Reports

Protein Folding Triggered by Electron Transfer, pp. 1558-1560

Torbjörn Pascher; John P. Chesick; Jay R. Winkler; Harry B. Gray

Microsecond Catalytic Partial Oxidation of Alkanes, pp. 1560-1562

Duane A. Goetsch; Lanny D. Schmidt

Molecular Dynamics Simulation of Hydrochloric Acid Ionization at the Surface of Stratospheric Ice, pp. 1563-1566

Bradley J. Gertner; James T. Hynes

Structure and Evolution of Lithospheric Slab Beneath the Sunda Arc, Indonesia, pp. 1566-1570

Sri Widiyantoro; Rob van der Hilst

The Majorite-Pyrope + Magnesiowüstite Assemblage: Constraints on the History of Shock Veins in Chondrites, pp. 1570-1573

Ming Chen; Thomas G. Sharp; Ahmed El Goresy; Brigitte Wopenka; Xiande Xie

Iridium Metal in Chicxulub Impact Melt: Forensic Chemistry on the K-T Smoking Gun, pp. 1573-1576

Benjamin C. Schuraytz; David J. Lindstrom; Luis E. Marín; René R. Martinez; David W. Mittlefehldt; Virgil L. Sharpton; Susan J. Wentworth

Exchange of Carbon Dioxide by a Deciduous Forest: Response to Interannual Climate Variability, pp. 1576-1578

Michael L. Goulden; J. William Munger; Song-Miao Fan; Bruce C. Daube; Steven C. Wofsy

Human Foamy Virus Replication: A Pathway Distinct from That of Retroviruses and Hepadnaviruses, pp. 1579-1582

Shuyuarn F. Yu; David N. Baldwin; Samuel R. Gwynn; Suneetha Yendapalli; Maxine L. Linial

HIV-1 Dynamics in Vivo: Virion Clearance Rate, Infected Cell Life-Span, and Viral Generation Time, pp. 1582-1586

Alan S. Perelson; Avidan U. Neumann; Martin Markowitz; John M. Leonard; David D. Ho

Opposite Modulation of Cocaine-Seeking Behavior by D₁-and D₂-Like Dopamine Receptor Agonists, pp. 1586-1589

David W. Self; William J. Barnhart; David A. Lehman; Eric J. Nestler

Coordination of Three Signaling Enzymes by AKAP79, a Mammalian Scaffold Protein, pp. 1589-1592

Theresa M. Klauck; Maree C. Faux; Kirstin Labudda; Lorene K. Langeberg; Susan Jaken; John D. Scott

Similarities between Initiation of V(D)J Recombination and Retroviral Integration, pp. 1592-1594

Dik C. van Gent; Kiyoshi Mizuuchi; Martin Gellert

Cell Cycle Regulation of E2F Site Occupation In vivo, pp. 1595-1597

Jörk Zwicker; Ningshu Liu; Kurt Engeland; Frances C. Lucibello; Rolf Müller

Rapid Degradation of the G₁ Cyclin CIn2 Induced by CDK-Dependent Phosphorylation, pp. 1597-1601

Stefan Lanker; M. Henar Valdivieso; Curt Wittenberg

Control of the Gene optomotor-blind in Drosophila Wing Development by decapentaplegic and wingless, pp. 1601-1604

Stefan Grimm; Gert O. Pflugfelder

Technical Comments

Long-Term Potentiation in the CA1 Hippocampus, pp. 1604-1606

Roberto Malinow; Zachary F. Mainen; Steven A. Siegelbaum; Vadim Y. Bolshakov

Estimating Geologic Age from Cosmogenic Nuclides: An Update, p. 1606

Paul R. Bierman; Erik M. Clapp

Pliocene Extinction of Antarctic Pectinid Mollusks, pp. 1606-1607

Paul Arthur Berkman; Michael L. Prentice

Back Matter (29 pp.)

Previous Issue: New Series, Vol. 271, No. 5254, Mar. 8, 1996
Next Issue: New Series, Vol. 271, No. 5256, Mar. 22, 1996

Science, New Series, Vol. 271, No. 5256, Mar. 22, 1996

Previous Issue: New Series, Vol. 271, No. 5255, Mar. 15, 1996
Next Issue: New Series, Vol. 271, No. 5257, Mar. 29, 1996

Front Matter (28 pp.)
Editorial: Keep Borders Open for U.S. Science, p. 1649

Felice J. Levine

Letters

Gibbons on NIH Budget, p. 1651

John H. Gibbons

The Laetoli Footprints, pp. 1651-1652

Neville Agnew; Martha Demas; Mary D. Leakey

A Scientific "American Dream", pp. 1652-1653

Fraser Shilling

Characterizing Math Education, p. 1653

Jian-Yun Fang

Research Productivity, pp. 1653-1654

Albert Henderson

Weed Management and Pear Russetting, p. 1654

Joyce Loper

Tree Rarity, p. 1655

Philip V. Wells

Galaxy in Virgo: Aesthetically Uninteresting?, p. 1655

Fritz Kleinhans

Corrections and Clarifications: Interfering with apoptosis: Ca ²⁺ -binding protein ALG-2 and Alzheimer's disease gene ALG-3, p. 1655
Corrections and Clarifications: Structure of the heat shock protein chaperonin-10 of Mycobacterium leprae, p. 1655
ScienceScope, p. 1657

Jocelyn Kaiser

News and Comment

Battle Lines Drawn for 1997 R&D Budget, p. 1658

Andrew Lawler; Jeffrey Mervis

NSF Worries About Its Federal Partners, p. 1659

Jeffrey Mervis

Fusion Plan Gathers Steam, p. 1660

Andrew Lawler

Crunch Ahead for Space Science, pp. 1660-1661

Andrew Lawler

Budget Freeze Nips Comet Camera, p. 1661

Helen Gavaghan

New NIMH Director Offers Institutional Stimulant, pp. 1662-1663

Eliot Marshall

Communists Dominate Science Panels, p. 1663

Vladimir Pokrovsky

Yucca Blowup Theory Bombs, Says Study, p. 1664

Gary Taubes

Care Guide Gives Labs More Freedom, p. 1664

Wade Roush

Research News

Teetering on the Brink of Danger, pp. 1665-1667

Elizabeth Pennisi

Shock Forges Piece of Jovian Interior, pp. 1667-1668

Richard A. Kerr

Fermat Prover Points to Next Challenges, pp. 1668-1669

Barry Cipra

Hemoglobin Reveals New Role As Blood Pressure Regulator, p. 1670

James Glanz

Researchers Find the Reset Button for the Fruit Fly Clock, pp. 1671-1672

Marcia Barinaga

Gene Perplexes Epilepsy Researchers, p. 1672

Claire O'Brien

Random Samples, pp. 1673+1675

Constance Holden

Book Reviews

Partners in Physiology, pp. 1681-1682

August and Marie Krogh. Lives in Science.

Bodil Schmidt-Nielsen

Review author[s]: Thomas Söderqvist

Evolutionary Pinnacle, p. 1682

Social Evolution in Ants.

Andrew F. G. Bourke; Nigel R. Franks

Review author[s]: Ross H. Crozier

Perspectives

Shot Noise in Quantum Conductors, pp. 1689-1690

Leo Kouwenhoven

AT-AC Introns: An ATtACk on Dogma, pp. 1690-1692

Stephen M. Mount

Releasing the Brakes on Antitumor Immune Response, p. 1691

Drew Pardoll

Hydrogen: The First Metallic Element, p. 1692

Friedrich Hensel; Peter P. Edwards

Noble Gas Atoms Inside Fullerenes, pp. 1693-1697

Martin Saunders; R. James Cross; Hugo A. Jiménez-Vázquez; Rinat Shimshi; Anthony Khong

Research Article

On the Shape of C₆H₆⁺, pp. 1698-1702

R. Lindner; K. Müller-Dethlefs; E. Wedum; K. Haber; E. R. Grant

Reports

Nonlinear Spectroscopy on a Single Quantum System: Two-Photon Absorption of a Single Molecule, pp. 1703-1705

Taras Plakhotnik; Daniel Walser; Marco Pirotta; Alois Renn; Urs P. Wild

Are Single Molecular Wires Conducting?, pp. 1705-1707

L. A. Bumm; J. J. Arnold; M. T. Cygan; T. D. Dunbar; T. P. Burgin; L. Jones II; D. L. Allara; J. M. Tour; P. S. Weiss

Gravitational Enrichment of ⁸⁴ Kr/ ³⁶ Ar Ratios in Polar Ice Caps: A Measure of Firn Thickness and Accumulation Temperature, pp. 1708-1710

H. Craig; R. C. Wiens

River Meandering as a Self-Organization Process, pp. 1710-1713

Hans-Henrik Stølum

High-Temperature Study of Octahedral Cation Exchange in Olivine by Neutron Powder Diffraction, pp. 1713-1715

C. M. B. Henderson; K. S. Knight; S. A. T. Redfern; B. J. Wood

Requirement of U12 snRNA for In vivo Splicing of a Minor Class of Eukaryotic Nuclear Pre-mRNA Introns, pp. 1716-1718

Stephen L. Hall; Richard A. Padgett

Requirement for cAMP-PKA Pathway Activation by M Phase-Promoting Factor in the Transition from Mitosis to Interphase, pp. 1718-1723

Domenico Grieco; Antonio Porcellini; Enrico V. Avvedimento; Max E. Gottesman

Neonatal Tolerance Revisited: Turning on Newborn T Cells with Dendritic Cells, pp. 1723-1726

John Paul Ridge; Ephraim J. Fuchs; Polly Matzinger

Induction of Protective CTL Responses in Newborn Mice by a Murine Retrovirus, pp. 1726-1728

Marcella Sarzotti; Deanna S. Robbins; Paul M. Hoffman

Induction of T_H1 and T_H2 Immunity in Neonatal Mice, pp. 1728-1730

Thomas Forsthuber; Hualin C. Yip; Paul V. Lehmann

Mutations in the Gene Encoding Cystatin B in Progressive Myoclonus Epilepsy (EPM1), pp. 1731-1734

Len A. Pennacchio; Anna-Elina Lehesjoki; Nancy E. Stone; Virginia L. Willour; Kimmo Virtaneva; Jinmin Miao; Elena D'Amato; Lucia Ramirez; Malek Faham; Marjaleena Koskiniemi; Janet A. Warrington; Reijo Norio; Albert de la Chapelle; David R. Cox; Richard M. Myers

Enhancement of Antitumor Immunity by CTLA-4 Blockade, pp. 1734-1736

Dana R. Leach; Matthew F. Krummel; James P. Allison

Light-Induced Degradation of TIMELESS and Entrainment of the Drosophila Circadian Clock, pp. 1736-1740

Michael P. Myers; Karen Wager-Smith; Adrian Rothenfluh-Hilfiker; Michael W. Young

Resetting the Drosophila Clock by Photic Regulation of PER and a PER-TIM Complex, pp. 1740-1744

Choogon Lee; Vaishali Parikh; Tomoko Itsukaichi; Kiho Bae; Isaac Edery

Abnormal Centrosome Amplification in the Absence of p53, pp. 1744-1747

Kenji Fukasawa; Taesaeng Choi; Ryoko Kuriyama; Shen Rulong; George F. Vande Woude

Back Matter (29 pp.)

Previous Issue: New Series, Vol. 271, No. 5255, Mar. 15, 1996
Next Issue: New Series, Vol. 271, No. 5257, Mar. 29, 1996

Science, New Series, Vol. 271, No. 5257, Mar. 29, 1996

Previous Issue: New Series, Vol. 271, No. 5256, Mar. 22, 1996
Next Issue: New Series, Vol. 272, No. 5258, Apr. 5, 1996

Volume Information (18 pp.)
Front Matter (19 pp.)
Editorial: Dancing with Wolves, p. 1787

M. R. C. Greenwood

Letters

"Earth" Not Omitted Intentionally, p. 1789

Robert S. Walker

Good Teaching, pp. 1789-1790

Shoumen Datta; Allen M. Young

Confidentiality, p. 1790

Louis M. Guenin

Attenuated HIV Vaccine: Caveats, pp. 1790-1792

Ruth M. Ruprecht; Timothy W. Baba; Vladimir Liska; N. J. Deacon; D. A. McPhee; S. Crowe; J. Learmont; J. Mills

Structural Change Mechanisms in Regulatory Proteins, pp. 1792-1793

Harel Weinstein; Ernest L. Mehler

Whistleblowers Not Polled, p. 1793

Charles W. McCutchen

ScienceScope, p. 1795

Jocelyn Kaiser

News and Comment

A Slippery Slope for Science, pp. 1796-1797

Andrew Lawler

Spring Rush on Capitol Hill, p. 1797

A. L.

Scant Data Cause Widespread Concern, p. 1798

Claire O'Brien

Sequencers Split Over Data Release, pp. 1798-1799

Patricia Kahn

Chair Quits Japan Panel in Protest, p. 1799

Dennis Normile

New Anticoagulant Prompts Bad Blood between Partners, pp. 1800-1801

Jock Friedly

Diversity Takes a Student Body Blow, p. 1801

Constance Holden

Cash-Starved Researchers to Undergo Trial by Peer Review, pp. 1802-1803

Richard Stone

Research News

Superconductivity Turns 10, pp. 1804-1806

Robert F. Service

A Piece of the Dinosaur Killer Found?, p. 1806

Richard A. Kerr

New Neurons Use "Lookouts" to Navigate Nervous System, pp. 1807-1808

Wade Roush

Interferometer Maps Cosmic Microwaves on the Cheap, p. 1809

Andrew Watson

"Amplifying" the Fine Details of Molecular Structure is a Gas, p. 1810

Robert F. Service

Minerals in Rock Mass Hold Clues to 400-Kilometer Ascent, p. 1811

Richard A. Kerr

Random Samples, p. 1813

Constance Holden

Book Reviews

Historic Disparities, pp. 1814-1815

Women Scientists in America. Before Affirmative Action, 1940-1972.

Margaret W. Rossiter

Review author[s]: Louise A. Tilly

Developing Careers, p. 1816

Gender Differences in Science Careers. The Project Access Study.

Gerhard Sonnert; Gerald Holton

Who Succeeds in Science? The Gender Dimension.

Gerhard Sonnert; Gerald Holton

Review author[s]: Mary Frank Fox

Policy Forum

Science and Diversity: A Compelling National Interest, pp. 1817-1819

Shirley M. Malcom

Perspectives

Warm Climate Surprises, pp. 1820-1821

Jonathan T. Overpeck

Cancer Risk of Low-Level Exposure, pp. 1821-1822

Marvin Goldman

Notch and Wingless Signals Collide, pp. 1822-1823

Seth S. Blair

Chemical Communication in Honeybees, pp. 1824-1825

Gene E. Robinson

Enter Listeria, Unruffled, p. 1825

Richard B. Gallagher

Research Article

Interaction Between Wingless and Notch Signaling Pathways Mediated by Dishevelled, pp. 1826-1832

Jeffrey D. Axelrod; Kenji Matsuno; Spyros Artavanis-Tsankonas; Norbert Perrimon

Reports

Isolation, Structure, and Electronic Calculations of the Heterofullerene Salt K₆C ₅₉ N, pp. 1833-1835

Kosmas Prassides; Majid Keshavarz-K.; Jan Cornelis Hummelen; Wanda Andreoni; Paolo Giannozzi; Ernst Beer; Cheryl Bellavia; Luigi Cristofolini; Rosario González; Alexandros Lappas; Yasuo Murata; Magdalena Malecki; Vojislav Srdanov; Fred Wudl

The Elasticity of a Single Supercoiled DNA Molecule, pp. 1835-1837

T. R. Strick; J.-F. Allemand; D. Bensimon; A. Bensimon; V. Croquette

Late Cretaceous Oceans and the Cool Tropic Paradox, pp. 1838-1841

Steven D'Hondt; Michael A. Arthur

Alpe Arami: A Peridotite Massif from Depths of More Than 300 Kilometers, pp. 1841-1845

Larissa Dobrzhinetskaya; Harry W. Green II; Su Wang

Constraints on Rates of Granitic Magma Transport from Epidote Dissolution Kinetics, pp. 1845-1848

Alan D. Brandon; Robert A. Creaser; Thomas Chacko

Enhancement of Solution NMR and MRI with Laser-Polarized Xenon, pp. 1848-1851

G. Navon; Y.-Q. Song; T. Rõõm; S. Appelt; R. E. Taylor; A. Pines

Caste-Selective Pheromone Biosynthesis in Honeybees, pp. 1851-1853

Erika Plettner; Keith N. Slessor; Mark L. Winston; James E. Oliver

Identification of D-Peptide Ligands Through Mirror-Image Phage Display, pp. 1854-1857

Ton N. M. Schumacher; Lorenz M. Mayr; Daniel L. Minor Jr.; Michael A. Milhollen; Michael W. Burgess; Peter S. Kim

Inhibition of HIV-1 Replication in Lymphocytes by Mutants of the Rev Cofactor eIF-5A, pp. 1858-1860

Dorian Bevec; Herbert Jaksche; Martin Oft; Thorsten Wöhl; Michèle Himmelspach; Alexandra Pacher; Michael Schebesta; Karl Koettnitz; Marika Dobrovnik; Robert Csonga; Friedrich Lottspeich; Joachim Hauber

Translational Control of p27 ^Kip1 Accumulation During the Cell Cycle, pp. 1861-1864

Ludger Hengst; Steven I. Reed

Altered Sensory Processing in the Somatosensory Cortex of the Mouse Mutant Barrelless, pp. 1864-1867

E. Welker; M. Armstrong-James; G. Bronchti; W. Ourednik; F. Gheorghita-Baechler; R. Dubois; D. L. Guernsey; H. Van der Loos; P. E. Neumann

A Neural Tetraspanin, Encoded by late bloomer, That Facilitates Synapse Formation, pp. 1867-1870

Casey C. Kopczynski; Graeme W. Davis; Corey S. Goodman

Replay of Neuronal Firing Sequences in Rat Hippocampus During Sleep Following Spatial Experience, pp. 1870-1873

William E. Skaggs; Bruce L. McNaughton

An RNA Polymerase II Elongation Factor Encoded by the Human ELL Gene, pp. 1873-1876

Ali Shilatifard; William S. Lane; Kenneth W. Jackson; Ronald C. Conaway; Joan W. Conaway

Failure of the Cystic Fibrosis Transmembrane Conductance Regulator to Conduct ATP, pp. 1876-1879

M. M. Reddy; P. M. Quinton; C. Haws; J. J. Wine; R. Grygorczyk; J. A. Tabcharani; J. W. Hanrahan; K. L. Gunderson; R. R. Kopito

Technical Comments

Testing for Bias in the Climate Record, pp. 1879-1883

Thomas R. Karl; Philip D. Jones; Richard W. Knight; Oran R. White; Werner Mende; Juerg Beer; David J. Thomson

AAAS News and Notes, p. 1884

Women and Minorities '96: Maintaining Diversity in Science

Introduction, p. 1901

Elizabeth Culotta

Facing the Big Chill in Science, pp. 1902-1905

Ann Gibbons

Gender, Race, and Class, p. 1903

A. G.

Advice from the Top: Anne C. Petersen. Learning the Trade Secrets, p. 1904

Constance Holden

Advice from the Top: Lydia Villa-Komaroff. Spinning Setbacks Into Success, p. 1905

Jocelyn Kaiser

Backlash Strikes At Affirmative Action Programs, pp. 1908-1910

Marcia Barinaga

Advice from the Top: David Satcher. Reaching Out and Moving Up, p. 1910

Jocelyn Kaiser

Computer Culture Deflects Women and Minorities, pp. 1915-1916

Virginia Morell

Researchers Find Feminization a Two-Edged Sword, pp. 1919-1920

Constance Holden

Minorities at the Starting Gate, p. 1919

C. H.

Advice from the Top: Yolanda Moses. With a Little Help From Her Friends, p. 1920

Constance Holden

Recent Data on Women and Minorities, p. 1921

Back Matter (31 pp.)

Previous Issue: New Series, Vol. 271, No. 5256, Mar. 22, 1996
Next Issue: New Series, Vol. 272, No. 5258, Apr. 5, 1996

Science, New Series, Vol. 272, No. 5258, Apr. 5, 1996

Previous Issue: New Series, Vol. 271, No. 5257, Mar. 29, 1996
Next Issue: New Series, Vol. 272, No. 5259, Apr. 12, 1996

Front Matter (20 pp.)
Editorial: The Elements of Immunity, p. 13

Richard B. Gallagher; Linda J. Miller

Letters

Electronic Publishing, pp. 15-17

Pete Goldie; Andrea Keyhani; Norman Redington; Karen Rae Keck; C. S. Holling; Kurt Paulus; Joseph F. Traub

Strength of Spider Silk, p. 17

John J. Gilman

"New Physics"?, pp. 17-18

A. Patrascioiu; E. Seiler

Antihydrogen, p. 18

Dimitri Dimitroyannis

Dominance in Crayfish, p. 18

Justine H. Lange

Amide Cleavage by a Ribozyme: Correction, pp. 18-19

Gerald F. Joyce; Xiaochang Dai; Alain De Mesmaeker

Corrections and Clarifications: A Proof to Please Pythagoras, p. 19
Corrections and Clarifications: Intercalation, DNA Kinking, and the Control of Transcription, p. 19
ScienceScope, p. 21

Jocelyn Kaiser

News and Comment

Looking for the Evidence in Medicine, pp. 22-24

Gary Taubes

No Women Chemists at Women's College, p. 24

Wade Roush

U.S. and Europe Close In on LHC Deal, p. 25

Andrew Lawler

Report Backs Industry-Government Ties, pp. 25-26

Andrew Lawler

Animal Activists Target NASA Mission, p. 26

Andrew Lawler

Precise Positioning for All Is Coming, p. 27

Richard A. Kerr

Europeans Move On From Yeast to TB, p. 27

Nigel Williams

Research News

An Immune Boost to the War on Cancer, pp. 28-30

Nigel Williams

Ceramic Shrinks When the Heat Goes On, p. 30

Robert F. Service

Manic-Depression Findings Spark Polarized Debate, pp. 31-32

Virginia Morell

Tilting Against a Major Theory of Movement Control, pp. 32-33

Elizabeth Pennisi

Impact Craters All in a Row?, p. 33

Richard A. Kerr

Physicists Trap Photons and Count Them One by One, p. 34

Andrew Watson

Random Samples, pp. 35+37

Constance Holden

Book Reviews

Posthumous Credit, p. 42

Lise Meitner. A Life in Physics.

Ruth Lewin Sime

Review author[s]: Jeffrey A. Johnson

The Ring of Fire, p. 43

Backarc Basins. Tectonics and Magmatism.

Brian Taylor

Review author[s]: Paul J. Fox

Reprints of Books Previously Reviewed, p. 43

Perspectives

Fullerene Formation and Annealing, pp. 45-46

J. W. Mintmire

New Lessons for Rotavirus Vaccines, pp. 46-48

Roger I. Glass; Jon R. Gentsch; Bernard Ivanoff

Generation of GTP-Ran for Nuclear Protein Import, p. 47

Mary Shannon Moore

No "End of History" for Photolyases, pp. 48-49

Aziz Sancar

Immunology

The Instructive Role of Innate Immunity in the Acquired Immune Response, pp. 50-54

Douglas T. Fearon; Richard M. Locksley

Immunological Memory and Protective Immunity: Understanding Their Relation, pp. 54-60

Rafi Ahmed; David Gray

Lymphocyte Homing and Homeostasis, pp. 60-66

Eugene C. Butcher; Louis J. Picker

Population Biology of Antigen Presentation by MHC Class I Molecules, pp. 67-74

Peter Parham; Tomoko Ohta

Population Dynamics of Immune Responses to Persistent Viruses, pp. 74-79

Martin A. Nowak; Charles R. M. Bangham

Reports

Striction-Coupled Magnetoresistance in Perovskite-Type Manganese Oxides, pp. 80-82

H. Kuwahara; Y. Tomioka; Y. Moritomo; A. Asamitsu; M. Kasai; R. Kumai; Y. Tokura

Earliest Complete Dentition of an Anthropoid Primate from the Late Middle Eocene of Shanxi Province, China, pp. 82-85

K. Christopher Beard; Yongsheng Tong; Mary R. Dawson; Jingwen Wang; Xueshi Huang

Imprint Lithography with 25-Nanometer Resolution, pp. 85-87

Stephen Y. Chou; Peter R. Krauss; Preston J. Renstrom

Autocatalysis During Fullerene Growth, pp. 87-89

B. R. Eggen; M. I. Heggie; G. Jungnickel; C. D. Latham; R. Jones; P. R. Briddon

Negative Thermal Expansion from 0.3 to 1050 Kelvin in ZrW₂O₈, pp. 90-92

T. A. Mary; J. S. O. Evans; T. Vogt; A. W. Sleight

Homogeneous NMR Spectra in Inhomogeneous Fields, pp. 92-96

Sujatha Vathyam; Sanghyuk Lee; Warren S. Warren

The Energetics of Hydrogen Bonds in Model Systems: Implications for Enzymatic Catalysis, pp. 97-101

Shu-ou Shan; Stewart Loh; Daniel Herschlag

Age-Dependent Diarrhea Induced by a Rotaviral Nonstructural Glycoprotein, pp. 101-104

Judith M. Ball; Peng Tian; Carl Q. -Y. Zeng; Andrew P. Morris; Mary K. Estes

Protective Effect of Rotavirus VP6-Specific IgA Monoclonal Antibodies That Lack Neutralizing Activity, pp. 104-107

John W. Burns; Majid Siadat-Pajouh; Ajit A. Krishnaney; Harry B. Greenberg

Asymmetries Generated by Transcription-Coupled Repair in Enterobacterial Genes, pp. 107-109

M. Pilar Francino; Lin Chao; Margaret A. Riley; Howard Ochman

Similarity Among the Drosophila (6-4) Photolyase, a Human Photolyase Homolog, and the DNA Photolyase-Blue-Light Photoreceptor Family, pp. 109-112

Takeshi Todo; Haruko Ryo; Kazuo Yamamoto; Hiroyuki Toh; Taiichiro Inui; Hitoshi Ayaki; Taisei Nomura; Mituo Ikenaga

Silk Properties Determined by Gland-Specific Expression of a Spider Fibroin Gene Family, pp. 112-115

Paul A. Guerette; David G. Ginzinger; Bernhard H. F. Weber; John M. Gosline

Replication of HIV-1 in Dendritic Cell-Derived Syncytia at the Mucosal Surface of the Adenoid, pp. 115-117

Sarah S. Frankel; Bruce M. Wenig; Allen P. Burke; Poonam Mannan; Lester D. R. Thompson; Susan L. Abbondanzo; Ann M. Nelson; Melissa Pope; Ralph M. Steinman

Equilibrium-Point Control Hypothesis Examined by Measured Arm Stiffness During Multijoint Movement, pp. 117-120

Hiroaki Gomi; Mitsuo Kawato

Role of the Nuclear Transport Factor p10 in Nuclear Import, pp. 120-122

Ulf Nehrbass; Günter Blobel

Technical Comments

Location of BRCA1 in Human Breast and Ovarian Cancer Cells, pp. 123-126

Ralph Scully; Shridar Ganesan; Myles Brown; James A. De Caprio; Stephen A. Cannistra; Jean Feunteun; Stuart Schnitt; David M. Livingston; Yumay Chen; Phang-Lang Chen; Daniel J. Riley; Wen-Hwa Lee; D. Craig Allred; C. Kent Osborne

Back Matter (38 pp.)

Previous Issue: New Series, Vol. 271, No. 5257, Mar. 29, 1996
Next Issue: New Series, Vol. 272, No. 5259, Apr. 12, 1996

Science, New Series, Vol. 272, No. 5259, Apr. 12, 1996

Previous Issue: New Series, Vol. 272, No. 5258, Apr. 5, 1996
Next Issue: New Series, Vol. 272, No. 5260, Apr. 19, 1996

Front Matter (35 pp.)
Editorial: The Metaphor of Distributed Intelligence, p. 177

Al Gore

Letters

Sun-Climate Links, p. 179

Curt Covey

And the Winner Is..., pp. 179-180

Erik P. Scully

Bad Science, Bad Policy?, p. 180

Henry I. Miller

Calculus as a Tool, p. 180

Robert E. Hurst

The ITER Project, pp. 181-182

Paul H. Rutherford; Charles C. Baker

Structure of W(CH₃)₆, pp. 182-183

Clark R. Landis; Thomas Cleveland; Timothy K. Firman; K. Seppelt

Strangelovian Concepts, p. 183

Bruce Onisko

ScienceScope, p. 185

Jocelyn Kaiser

News and Comment

A Disconnect for NTT Labs?, pp. 186-187

Dennis Normile

A $3 Billion Slice of AT&T, p. 187

Robert F. Service

NIH Launches the Final Push To Sequence the Genome, pp. 188-189

Eliot Marshall; Elizabeth Pennisi

New York Courts Seek 'Neutral' Experts, p. 189

Eliot Marshall

Proposals That Would Limit Visas Strike Fear at Universities, pp. 190-191

James Glanz

Australia Fends Off Critic of Plan to Eradicate Rabbits, pp. 191-192

Dan Drollette

Research News

Premature Aging Gene Discovered, pp. 193-194

Elizabeth Pennisi

Comet Hyakutake Blazes in X-rays, p. 194

James Glanz

New Role for HIV: A Vehicle For Moving Genes Into Cells, p. 195

Jon Cohen

Chemists Clean Ceramics and Coat Enzymes in Plastic, pp. 196-197

Robert F. Service

Acid Rain's Dirty Business: Stealing Minerals from Soil, p. 198

Jocelyn Kaiser

Error-Correcting Code Keeps Quantum Computers on Track, p. 199

Barry Cipra

New Data Help Toxicologists Home in on Assessing Risks, p. 200

Jocelyn Kaiser

Random Samples, pp. 201+203

Constance Holden

Book Reviews

Orbits of a Rocketeer, p. 217

Thread of the Silkworm.

Iris Chang

Review author[s]: Michael J. Neufeld

Inside ESA, pp. 217-218

Launching Europe. An Ethnography of European Cooperation in Space Science.

Stacia E. Zabusky

Review author[s]: William Finlay

Aussi Notable, p. 218

Scientifically Yours.

Lydie Navard; Atrick Navard; Gerald Fuller

Review author[s]: Katherine Livingston

Policy Forum

Is There a Role for Benefit-Cost Analysis in Environmental, Health, and Safety Regulation?, pp. 221-222

Kenneth J. Arrow; Maureen L. Cropper; George C. Eads; Robert W. Hahn; Lester B. Lave; Roger G. Noll; Paul R. Portney; Milton Russell; Richard Schmalensee; V. Kerry Smith; Robert N. Stavins

Perspectives

A History of Global Metal Pollution, pp. 223-224

Jerome O. Nriagu

Cell Shape Determination: A Pivotal Role for Rho, pp. 224-225

Howard Bussey

Arousal: Revisiting the Reticular Activating System, pp. 225-226

Mircea Steriade

Protein Sorting by Transport Vesicles, pp. 227-234

James E. Rothman; Felix T. Wieland

Research Article

Global Observations of Oceanic Rossby Waves, pp. 234-238

Dudley B. Chelton; Michael G. Schlax

Reports

Long-Term Effects of Acid Rain: Response and Recovery of a Forest Ecosystem, pp. 244-246

G. E. Likens; C. T. Driscoll; D. C. Buso

History of Ancient Copper Smelting Pollution During Roman and Medieval Times Recorded in Greenland Ice, pp. 246-249

Sungmin Hong; Jean-Pierre Candelone; Clair C. Patterson; Claude F. Boutron

Extraterrestrial Helium Trapped in Fullerenes in the Sudbury Impact Structure, pp. 249-252

Luann Becker; Robert J. Poreda; Jeffrey L. Bada

Orientation-On-Demand Thin Films: Curing of Liquid Crystalline Networks in ac Electric Fields, pp. 252-255

Hilmar Körner; Atsushi Shiota; Timothy J. Bunning; Christopher K. Ober

Imaging and Time-Resolved Spectroscopy of Single Molecules at an Interface, pp. 255-258

J. J. Macklin; J. K. Trautman; T. D. Harris; L. E. Brus

Positional Cloning of the Werner's Syndrome Gene, pp. 258-262

Chang-En Yu; Junko Oshima; Ying-Hui Fu; Ellen M. Wijsman; Fuki Hisama; Reid Alisch; Shellie Matthews; Jun Nakura; Tetsuro Miki; Samir Ouais; George M. Martin; John Mulligan; Gerard D. Schellenberg

In Vivo Gene Delivery and Stable Transduction of Nondividing Cells by a Lentiviral Vector, pp. 263-267

Luigi Naldini; Ulrike Blömer; Philippe Gallay; Daniel Ory; Richard Mulligan; Fred H. Gage; Inder M. Verma; Didier Trono

Accurate Processing of a Eukaryotic Precursor Ribosomal RNA by Ribonuclease MRP In vitro, pp. 268-270

Zoi Lygerou; Christine Allmang; David Tollervey; Bertrand Séraphin

Role of Reticular Activation in the Modulation of Intracortical Synchronization, pp. 271-274

Matthias H. J. Munk; Pieter R. Roelfsema; Peter König; Andreas K. Engel; Wolf Singer

Short-Term Plasticity of a Thalamocortical Pathway Dynamically Modulated by Behavioral State, pp. 274-277

Manuel A. Castro-Alamancos; Barry W. Connors

Rho1p, a Yeast Protein at the Interface Between Cell Polarization and Morphogenesis, pp. 277-279

Jana Drgonová; Tomás Drgon; Kazuma Tanaka; Roman Kollár; Guang-Chao Chen; Richard A. Ford; Clarence S. M. Chan; Yoshimi Takai; Enrico Cabib

Identification of Yeast Rho1p GTPase as a Regulatory Subunit of 1,3-β-Glucan Synthase, pp. 279-281

Hiroshi Qadota; Christophe P. Python; Shunsuke B. Inoue; Mikio Arisawa; Yasuhiro Anraku; Yi Zheng; Takahide Watanabe; David E. Levin; Yoshikazu Ohya

Technical Comments

Lophophorate Phylogeny, pp. 282-283

S. Conway Morris; B. L. Cohen; A. B. Gawthrop; T. Cavalier-Smith; B. Winnepenninckx; Kenneth M. Halanych; John D. Bacheller; Anna Marie A. Aguinaldo; Stephanie M. Liva; David M. Hillis; James A. Lake

Back Matter (37 pp.)

Previous Issue: New Series, Vol. 272, No. 5258, Apr. 5, 1996
Next Issue: New Series, Vol. 272, No. 5260, Apr. 19, 1996

Science, New Series, Vol. 272, No. 5260, Apr. 19, 1996

Previous Issue: New Series, Vol. 272, No. 5259, Apr. 12, 1996
Next Issue: New Series, Vol. 272, No. 5261, Apr. 26, 1996

Front Matter (21 pp.)
Editorial: Ambiguity in the Practice of Science, p. 333

Frederick Grinnell

Letters

Politics and Science, p. 335

H. David Kay; Henry Lardy

Internet Access, pp. 335-337

Marvin E. Gozum; Richard L. Meier; Robin Standish; R. F. Soames Job; Jaap J. Beintema

Nile Delta Erosion, p. 337

Robert L. Wiegel

New Database, pp. 337-338

Jiri Vondrasek; Alexander Wlodawer

Affirmative Action, pp. 338-339

E. B. Hook

DOE Privatization, p. 339

Richard I. Mateles

Corrections and Clarifications: Tilting Against a Major Theory of Movement Control, p. 339
Corrections and Clarifications: Manic-Depression Findings Spark Polarized Debate, p. 339
Corrections and Clarifications: Faunal Evidence and Sterkfontein Member 2 Foot Bones of Early Hominid, p. 339
Corrections and Clarifications: Natural' Cancer Prevention Trial Halted, p. 339
Corrections and Clarifications: Alabama and Evolution, p. 339
ScienceScope, p. 341

Jocelyn Kaiser

News

URI Tries Downsizing by Formula, pp. 342-344

Wade Roush

Deliberate Flood Renews Habitats, pp. 344-345

Bernice Wuethrich

Report Urges NSF to Promote Teaching, p. 345

Jeffrey Mervis

First Americans: Not Mammoth Hunters, But Forest Dwellers?, pp. 346-347

Ann Gibbons

Gambling On a Martian Landing Site, pp. 347-348

Richard A. Kerr

A 24-Hour Circadian Clock is Found in the Mammalian Retina, p. 349

Virginia Morell

Random Samples, p. 351

Constance Holden

Special News Report

The Explosions That Shook the World, pp. 352-354

Richard Stone

Chernobyl Research Becomes International Growth Industry, pp. 355-356

Nigel Williams; Michael Balter

Children Become the First Victims of Fallout, pp. 357+359-360

Michael Balter

Leukemia Studies Continue to Draw a Blank, p. 358

Nigel Williams

Book Reviews

Grand Constructors, pp. 363-364

Engineers of Dreams. Great Bridge Builders and the Spanning of America.

Henry Petroski

Review author[s]: Emory L. Kemp

Also Noteworthy, p. 364

Physics of the Magnetopause.

P. Song; B. U. Ö. Sonnerup; M. F. Thomsen

Review author[s]: Fran Bagenal

Also Noteworthy, p. 364

Conservation Genetics. Case Histories from Nature.

John C. Avise; James L. Hamrick

Review author[s]: Katherine Livingston

Books Received, p. 364

Perspectives

Giant Magnetoresistance in Transition Metal Oxides, pp. 369-370

C. N. R. Rao; A. K. Cheetham

Green Light for Steroid Hormones, pp. 370-371

David W. Russell

Histone Deacetylase: A Regulator of Transcription, pp. 371-372

Alan P. Wolffe

Paleoindian Cave Dwellers in the Amazon: The Peopling of the Americas, pp. 373-384

A. C. Roosevelt; M. Lima da Costa; C. Lopes Machado; M. Michab; N. Mercier; H. Valladas; J. Feathers; W. Barnett; M. Imazio da Silveira; A. Henderson; J. Silva; B. Chernoff; D. S. Reese; J. A. Holman; N. Toth; K. Schick

Reports

Molecularly Adsorbed Oxygen Species on Si(111)-(7×7): STM-Induced Dissociative Attachment Studies, pp. 385-388

R. Martel; Ph. Avouris; I.-W. Lyo

Spatiotemporal Chaos in Electroconvection, pp. 388-390

Michael Dennin; Guenter Ahlers; David S. Cannell

Continental Crust, Crustal Underplating, and Low-Q Upper Mantle Beneath an Oceanic Island Arc, pp. 390-392

Kiyoshi Suyehiro; Narumi Takahashi; Yoshiro Ariie; Yasutaka Yokoi; Ryota Hino; Masanao Shinohara; Toshihiko Kanazawa; Naoshi Hirata; Hidekazu Tokuyama; Asahiko Taira

Rapid Exchange between Soil Carbon and Atmospheric Carbon Dioxide Driven by Temperature Change, pp. 393-396

Susan E. Trumbore; Oliver A. Chadwick; Ronald Amundson

Engineered Interfaces for Adherent Diamond Coatings on Large Thermal- Expansion Coefficient Mismatched Substrates, pp. 396-398

Rajiv K. Singh; D. R. Gilbert; J. Fitz-Gerald; S. Harkness; D. G. Lee

A Role for Brassinosteroids in Light-Dependent Development of Arabidopsis, pp. 398-401

Jianming Li; Punita Nagpal; Veronique Vitart; Trevor C. McMorris; Joanne Chory

Switching from Cut-and-Paste to Replicative Tn7 Transposition, pp. 401-404

Earl W. May; Nancy L. Craig

Independent Modes of Natural Killing Distinguished in Mice Lacking Lag3, pp. 405-408

Toru Miyazaki; Andrée Dierich; Christophe Benoist; Diane Mathis

A Mammalian Histone Deacetylase Related to the Yeast Transciptional Regulator Rpd3p, pp. 408-411

Jack Taunton; Christian A. Hassig; Stuart L. Schreiber

Regulation of an Early Developmental Checkpoint in the B Cell Pathway by Igβ, pp. 411-414

Shiaoching Gong; Michel C. Nussenzweig

Homocysteine Antagonism of Nitric Oxide-Related Cytostasis in Salmonella typhimurium, pp. 414-417

Mary Ann De Groote; Traci Testerman; Yisheng Xu; George Stauffer; Ferric C. Fang

CNS Gene Encoding Astrotactin, Which Supports Neuronal Migration Along Glial Fibers, pp. 417-419

Chen Zheng; Nathaniel Heintz; Mary E. Hatten

Circadian Rhythms in Cultured Mammalian Retina, pp. 419-421

Gianluca Tosini; Michael Menaker

Requirement for α-CaMKII in Experience-Dependent Plasticity of the Barrel Cortex, pp. 421-423

Stanislaw Glazewski; Chuan-Min Chen; Alcino Silva; Kevin Fox

Technical Comments

Does Macroscopic Quantum Coherence Occur in Ferritin?, pp. 424-426

Javier Tejada; Anupam Garg; S. Gider; D. D. Awschalom; D. P. DiVincenzo; D. Loss

Back Matter (26 pp.)

Previous Issue: New Series, Vol. 272, No. 5259, Apr. 12, 1996
Next Issue: New Series, Vol. 272, No. 5261, Apr. 26, 1996

Science, New Series, Vol. 272, No. 5261, Apr. 26, 1996

Previous Issue: New Series, Vol. 272, No. 5260, Apr. 19, 1996
Next Issue: New Series, Vol. 272, No. 5262, May 3, 1996

Front Matter (25 pp.)
Editorial: Nuclear Power in East Asia, p. 465

Philip H. Abelson

Letters

Gene Therapy in New Zealand, p. 467

Matthew During

Eye Evolution, pp. 467-469

W. J. Dickinson; Jon Seger; Walter J. Gehring

NIH Regional Primate Centers, pp. 469-470

W. Richard Dukelow

Going to Sea, pp. 470-471

Kenneth S. Johnson; Richard F. Pittenger

Linac-Based Free Electron Lasers, p. 471

Mike Poole

ScienceScope, p. 473

Richard Stone

News

Rare Sightings Beguile Physicists, pp. 474-476

Gary Taubes

Panels Look for Common Ground, p. 476

Jocelyn Kaiser

Grim Budgets Spur Call to Action, p. 477

Andrew Lawler

Genome Researchers Take the Pledge, pp. 477-478

Eliot Marshall

NASA Shuffle Seen as Harming Science, p. 478

Andrew Lawler

Swiss Plan Next-Generation X-ray Source, p. 479

Susan Biggin

Chemicals Behind Gulf War Syndrome?, pp. 479-480

Elizabeth Pennisi

ASM Report Sees a Mixed Future, p. 480

Louis Jacobson

Yeast Genome Sequence Ferments New Research, p. 481

Nigel Williams

The Cerebellum: Movement Coordinator or Much More?, pp. 482-483

Marcia Barinaga

Materials Scientists View Hot Wires and Bends by the Bay, pp. 484-485

Robert F. Service

Are Asteroids Flying Piles of Rubble?, p. 485

Richard A. Kerr

Random Samples, p. 487

Constance Holden

Special News Report

Tobacco Money Lights Up a Debate, pp. 488-494

Jon Cohen

Book Reviews

A King's Observator, p. 495

The Correspondence of John Flamsteed, the First Astronomer Royal. Vol. 1, 1666-1682.

Eric G. Forbes; Lesley Murdin; Frances Willmoth

Review author[s]: Robert W. Smith

The Solar Wind, pp. 495-496

Interplanetary Magnetohydrodynamics.

Leonard F. Burlaga

Review author[s]: Ellen G. Zweibel

Lepidopterans, p. 496

The Tent Caterpillars.

Terrence D. Fitzgerald

Review author[s]: Lawrence F. Gall

Books Received Reprints and New Editions, pp. 496-497

Perspectives

AIDS Pathogenesis: A Finite Immune Response to Blame?, pp. 505-506

Frank Miedema; Michèl R. Klein

p75 ^NTR : A Receptor After All, pp. 506-507

Mark Bothwell

Saturn's Rings: Life at the Edge, pp. 507-508

Carl D. Murray

Research Article

Observations of Saturn's Ring-Plane Crossings in August and November 1995, pp. 509-515

Philip D. Nicholson; Mark R. Showalter; Luke Dones; Richard G. French; Stephen M. Larson; Jack J. Lissauer; Colleen A. McGhee; Patrick Seitzer; Bruno Sicardy; G. Edward Danielson

Reports

Fluorescent Hydroxyl Emissions from Saturn's Ring Atmosphere, pp. 516-518

Doyle T. Hall; Paul D. Feldman; J. B. Holberg; Melissa A. McGrath

Observations of Saturn's Inner Satellites During the May 1995 Ring-Plane Crossing, pp. 518-521

Amanda S. Bosh; Andrew S. Rivkin

Trapped Coronal Magnetogravity Modes, pp. 521-523

Yu-Qing Lou

Probing Electrical Transport in Nanomaterials: Conductivity of Individual Carbon Nanotubes, pp. 523-526

Hongjie Dai; Eric W. Wong; Charles M. Lieber

Teleconnections between the Subtropical Monsoons and High-Latitude Climates During the Last Deglaciation, pp. 526-529

F. Sirocko; D. Garbe-Schönberg; A. McIntyre; B. Molfino

Textural Entrapment of Core-Forming Melts, pp. 530-533

William G. Minarik; Frederick J. Ryerson; E. Bruce Watson

Role of Type I Myosins in Receptor-Mediated Endocytosis in Yeast, pp. 533-535

M. Isabel Geli; Howard Riezman

Evaluating Electrostatic Contributions to Binding with the Use of Protein Charge Ladders, pp. 535-537

Jinming Gao; Mathai Mammen; George M. Whitesides

Adaptive Evolution of Human Immunodeficiency Virus-Type 1 During the Natural Course of Infection, pp. 537-542

Steven M. Wolinsky; Bette T. M. Korber; Avidan U. Neumann; Michael Daniels; Kevin J. Kunstman; Amy J. Whetsell; Manohar R. Furtado; Yunzhen Cao; David D. Ho; Jeffrey T. Safrit; Richard A. Koup

Selective Activation of NF-κB by Nerve Growth Factor Through the Neurotrophin Receptor p75, pp. 542-545

Bruce D. Carter; Christian Kaltschmidt; Barbara Kaltschmidt; Nina Offenhäuser; Renate Böhm-Matthaei; Patrick A. Baeuerle; Yves-Alain Barde

Cerebellum Implicated in Sensory Acquisition and Discrimination Rather Than Motor Control, pp. 545-547

Jia-Hong Gao; Lawrence M. Parsons; James M. Bower; Jinhu Xiong; Jinqi Li; Peter T. Fox

Altered Growth and Branching Patterns in Synpolydactyly Caused by Mutations in HOXD 13, pp. 548-551

Yasuteru Muragaki; Stefan Mundlos; Joseph Upton; Bjorn R. Olsen

Interactions between Electrical Activity and Cortical Microcirculation Revealed by Imaging Spectroscopy: Implications for Functional Brian Mapping, pp. 551-554

Dov Malonek; Amiram Grinvald

Ocular Dominance Plasticity Under Metabotropic Glutamate Receptor Blockade, pp. 554-557

Takao K. Hensch; Michael P. Stryker

Transcription-Coupled Repair Deficiency and Mutations in Human Mismatch Repair Genes, pp. 557-560

Isabel Mellon; Deepak K. Rajpal; Minoru Koi; C. Richard Boland; Gregory N. Champe

Linkage of Replication to Start by the Cdk Inhibitor Sic 1, pp. 560-562

B. L. Schneider; Q.-H. Yang; A. B. Futcher

AAAS News and Notes, p. 566

Diana Parsell

Back Matter (50 pp.)

Previous Issue: New Series, Vol. 272, No. 5260, Apr. 19, 1996
Next Issue: New Series, Vol. 272, No. 5262, May 3, 1996

Science, New Series, Vol. 272, No. 5262, May 3, 1996

Previous Issue: New Series, Vol. 272, No. 5261, Apr. 26, 1996
Next Issue: New Series, Vol. 272, No. 5263, May 10, 1996

Front Matter (24 pp.)
Editorial: Heart Attacks: Gone with the Century?, p. 629

Michael S. Brown; Joseph L. Goldstein

Letters

Squid Pro Quo?, p. 631

John D. Rummel

Risks from Low Doses of Radiation, pp. 631-633

Jerome S. Puskin; Neal S. Nelson; Rudi H. Nussbaum; Donald A. Pierce; Dale L. Preston

Safety of Hepatitis B Vaccine, pp. 633-634

Howard A. Fields; Francis J. Mahoney; Harold S. Margolis

Immunology Taught by Darwin, pp. 634-635

Kurt A. McKean; Leonard Nunney; Marlene Zuk; R. M. Zinkernagel

Corrections and Clarifications: New York Courts Seek 'Neutral' Experts, p. 635
ScienceScope, p. 637

Jocelyn Kaiser

News and Comment

Relaunching Bell Labs, pp. 638-639

Robert F. Service

Partisan Battle Mars Markup of Joint Authorization Bill, p. 640

Andrew Lawler

Plan Would Shut Kitt Peak Facilities, p. 641

Jocelyn Kaiser

Review Threatens Royal Observatories, pp. 641-642

Nigel Williams

Cosmologists Beat Out Mars Explorers, p. 642

Helen Gavaghan

Patent Office Faces 90-Year Backlog, p. 643

Eliot Marshall

Staff, Students Protest University Cuts, pp. 643-644

Robert Koenig

Wiley Drops IQ Book After Public Furor, p. 644

Constance Holden

New Faculty Grants Program Expands Role of STA Agency, p. 645

Dennis Normile

Research News

Physicists Advance Into Biology, pp. 646-648

James Glanz

Molecule Promises a Better Buckyball, p. 648

David Bradley

New Gene Forges Link between Fragile Site and Many Cancers, p. 649

Elizabeth Pennisi

Two Versions of Holography Vie to Show Atoms in 3D, p. 650

Steve Nadis

Strong Baby Limbs May Kick Image of Maternal Dinos, p. 651

Virginia Morell

"Smart" Genes Use Many Cues to Set Cell Fate, pp. 652-653

Wade Roush

Sunfish Shows the Way Through the Fog, p. 653

Sunny Bains

New Skeleton Gives Path From Trees to Ground an Odd Turn, p. 654

James Shreeve

Random Samples, pp. 655+657

Constance Holden

Cardiovascular Medicine

News

[Introduction], p. 663

Paula Kiberstis; Jean Marx

Finding New Drugs to Treat Stroke, pp. 664-666

Marcia Barinaga

Moscow Cardiology Institute Battles for Its Life, p. 667

Richard Stone

New Devices are Helping Transform Coronary Care, pp. 668-670

Ingrid Wickelgren

Molecular Pathways Controlling Heart Development, pp. 671-676

Eric N. Olson; Deepak Srivastava

Molecular Genetics of Human Blood Pressure Variation, pp. 676-680

Richard P. Lifton

Molecular Genetic Insights Into Cardiovascular Disease, pp. 681-685

Mark T. Keating; Michael C. Sanguinetti

Mouse Models of Atherosclerosis, pp. 685-688

Jan L. Breslow

Molecular Therapies for Vascular Diseases, pp. 689-693

Gary H. Gibbons; Victor J. Dzau

Book Reviews

Contingent Answers to a Global Question, pp. 696-697

How Many People Can the Earth Support?

Joel E. Cohen

Review author[s]: Shripad Tuljapurkar

A Physicist in Germany, p. 697

Heinrich Hertz. A Short Life.

Charles Susskind

Review author[s]: Bruce J. Hunt

Perspectives

Molecular Electronics Emerges from Molecular Magnetism, pp. 698-699

Michel Verdaguer

Diabetes Complications: Why is Glucose Potentially Toxic?, pp. 699-700

Daniel Porte Jr.; Michael W. Schwartz

Speciation in Action, pp. 700-701

Jerry Coyne

Reports

NMR Studies of Single-File Diffusion in Unidimensional Channel Zeolites, pp. 702-704

Volker Kukla; Jan Kornatowski; Dirk Demuth; Irina Girnus; Harry Pfeifer; Lovat V. C. Rees; Stefan Schunk; Klaus K. Unger; Jörg Kärger

Photoinduced Magnetization of a Cobalt-Iron Cyanide, pp. 704-705

O. Sato; T. Iyoda; A. Fujishima; K. Hashimoto

Field-Induced Layering of Colloidal Crystals, pp. 706-709

M. Trau; D. A. Saville; I. A. Aksay

Galileo Gravity Results and the Internal Structure of Io, pp. 709-712

J. D. Anderson; W. L. Sjogren; G. Schubert

Juvenile Skeletal Structure and the Reproductive Habits of Dinosaurs, pp. 712-714

Nicholas R. Geist; Terry D. Jones

Concentrations of Tropospheric Ozone from 1979 to 1992 Over Tropical Pacific South America from TOMS Data, pp. 714-716

Yibo Jiang; Yuk L. Yung

Direct Measurement of Coupling between Dendritic Spines and Shafts, pp. 716-719

Karel Svoboda; David W. Tank; Winfried Denk

Cell Growth Arrest and Induction of Cyclin-Dependent Kinase Inhibitor p21 ^WAF1/CIP1 Mediated by STAT1, pp. 719-722

Yue E. Chin; Motoo Kitagawa; Wu-Chou S. Su; Zhi-Hao You; Yoshiki Iwamoto; Xin-Yuan Fu

In vitro Development of Primitive and Definitive Erythrocytes from Different Precursors, pp. 722-724

Toru Nakano; Hiroaki Kodama; Tasuku Honjo

Homologous Association of Oppositely Imprinted Chromosomal Domains, pp. 725-728

Janine M. LaSalle; Marc Lalande

Amelioration of Vascular Dysfunctions in Diabetic Rats by an Oral PKC β Inhibitor, pp. 728-731

Hidehiro Ishii; Michael R. Jirousek; Daisuke Koya; Chikako Takagi; Pu Xia; Allen Clermont; Sven-Erik Bursell; Timothy S. Kern; Lawrence M. Ballas; William F. Heath; Lawrence E. Stramm; Edward P. Feener; George L. King

A Mouse Model of Familial Hypertrophic Cardiomyopathy, pp. 731-734

Anja A. T. Geisterfer-Lowrance; Michael Christe; David A. Conner; Joanne S. Ingwall; Frederick J. Schoen; Christine E. Seidman; J. G. Seidman

The Cytolytic P _2Z Receptor for Extracellular ATP Identified as a P _2X Receptor (P2X₇), pp. 735-738

A. Surprenant; F. Rassendren; E. Kawashima; R. A. North; G. Buell

Requirement for BMP Signaling in Interdigital Apoptosis and Scale Formation, pp. 738-741

Hongyan Zou; Lee Niswander

Role of Gene Interactions in Hybrid Speciation: Evidence from Ancient and Experimental Hybrids, pp. 741-745

Loren H. Rieseberg; Barry Sinervo; C. Randal Linder; Mark C. Ungerer; Dulce M. Arias

Technical Comments

Origin of Replication of Mycoplasma genitalium, pp. 745-746

J. R. Lobry

Classification of the Arthropod Fuxianhuia, pp. 746-748

Matthew A. Wills; Gregory D. Edgecombe; Lars Ramsköld

Back Matter (32 pp.)

Previous Issue: New Series, Vol. 272, No. 5261, Apr. 26, 1996
Next Issue: New Series, Vol. 272, No. 5263, May 10, 1996

Science, New Series, Vol. 272, No. 5263, May 10, 1996

Previous Issue: New Series, Vol. 272, No. 5262, May 3, 1996
Next Issue: New Series, Vol. 272, No. 5264, May 17, 1996

Front Matter (16 pp.)
Editorial: German Science in a Changing World, p. 791

Hubert Markl

Letters

A "Learning Society"?, pp. 793-794

William Lasseter; Robert M. Horton; Joseph J. Aleo; Scott L. Hooper; James O. B. Wright

Whistleblower Protection, pp. 794-795

Lawrence J. Rhoades

Too Soon to Dance?, pp. 795-796

Michelle Bowe; James R. Thomen; Sheldon Bryman; Matt Lewin

Confident Females?, p. 796

Jane Margolis

Ph.D.'s as K-12 Teachers, pp. 796-797

Kenneth Fox

An "Ordinary" Scientist?, p. 797

L. Yuan

Corrections and Clarifications: Green Light for Steroid Hormones, p. 797

Corrections and Clarifications: The Elasticity of a Single Supercoiled DNA Molecule, p. 797

Corrections and Clarifications: Analyzing Molecular Structure with Astronomical Speed, p. 797

ScienceScope, p. 799

Jocelyn Kaiser

News and Comment

Goldin Puts NASA on New Trajectory, pp. 800-802

Andrew Lawler

Report Backs Science, Not New Station, p. 803

Jeffrey Mervis

Academy's About-Face on Forensic DNA, pp. 803-804

Eliot Marshall

Five-Year Science Plan Under Debate, p. 804

Dennis Normile

Monkey Study Prompts High-Level Public Health Response, p. 805

Jon Cohen

NSF to Take Closer Look at How Support Shapes Careers, p. 806

Jeffrey Mervis

Scientists Seek Allies in Fight Against Pseudoscience, pp. 807-808

Zhou Meiyue

Research News

Likely HIV Cofactor Found, pp. 809-810

Jon Cohen

Just How Old is That DNA, Anyway?, p. 810

Robert F. Service

California Social Climbers: Low Water Prompts High Status, pp. 811-812

Joshua Fischman

Added Weight for Neutrino Mass Claim, p. 812

James Glanz

SOHO Turns an Unblinking Eye on a Turbulent Sun, p. 813

Alexander Hellemans

Revised Galileo Data Leave Jupiter Mysteriously Dry, pp. 814-815

Richard A. Kerr

A First Glimpse of Strange Matter?, p. 815

Gary Taubes

Impact of DNA Replication Errors Put to the Test, pp. 816-817

Dennis Normile

Volcano-Ice Age Link Discounted, p. 817

Richard A. Kerr

Random Samples, p. 819

Constance Holden

Book Reviews

Middle Paleolithic People, pp. 822-823

The Neanderthal Legacy. An Archaeological Perspective from Western Europe.

Paul Mellars

Review author[s]: Richard G. Klein

Approaching the Future, p. 823

Rethinking Science as a Career. Perceptions and Realities in the Physical Sciences.

Sheila Tobias; Daryl E. Chubin; Kevin Aylesworth

Review author[s]: Peter Eisenberger

Perspectives

Recycling Osmium, p. 825

Jonathan E. Snow

Uncharacteristic Earthquakes on the San Andreas Fault, pp. 826-827

Lisa B. Grant

Transcription Factor IIA: A Structure with Multiple Functions, pp. 827-828

Raymond H. Jacobson; Robert Tjian

Getting Down to the Core of Homologous Recombination, pp. 828-829

Andrzej Stasiak

Dengue Hemorrhagic Fever, p. 829

Anthony A. James

Research Article

Crystal Structure of the Yeast TFIIA/TBP/DNA Complex, pp. 830-836

James H. Geiger; Steve Hahn; Sally Lee; Paul B. Sigler

Reports

Galileo Probes Jupiter's Atmosphere

Galileo Probe: In situ Observations of Jupiter's Atmosphere, pp. 837-838

Richard E. Young; Martha A. Smith; Charles K. Sobeck

Earth-Based Observations of the Galileo Probe Entry Site, pp. 839-840

G. Orton; J. L. Ortiz; K. Baines; G. Bjoraker; U. Carsenty; F. Colas; A. Dayal; D. Deming; P. Drossart; E. Frappa; J. Friedson; J. Goguen; W. Golisch; D. Griep; C. Hernandez; W. Hoffmann; D. Jennings; C. Kaminski; J. Kuhn; P. Laques; S. Limaye; H. Lin; J. Lecacheux; T. Martin; G. McCabe; T. Momary; D. Parker; R. Puetter; M. Ressler; G. Reyes; P. Sada; J. Spencer; J. Spitale; S. Stewart; J. Varsik; J. Warell; W. Wild; P. Yanamandra-Fisher; G. Fazio; J. Hora; L. Deutsch

Comparison of Galileo Probe and Earth-Based Translation Rates of Jupiter's Equatorial Clouds, p. 841

Reta F. Beebe; Amy A. Simon; Lyle F. Huber

Galileo Doppler Measurements of the Deep Zonal Winds at Jupiter, pp. 842-843

David H. Atkinson; James B. Pollack; Alvin Seiff

Structure of the Atmosphere of Jupiter: Galileo Probe Measurements, pp. 844-845

Alvin Seiff; Donn B. Kirk; Tony C. D. Knight; John D. Mihalov; Robert C. Blanchard; Richard E. Young; Gerald Schubert; Ulf von Zahn; Gerald Lehmacher; Frank S. Milos; Jerry Wang

The Galileo Probe Mass Spectrometer: Composition of Jupiter's Atmosphere, pp. 846-849

Hasso B. Niemann; Sushil K. Atreya; George R. Carignan; Thomas M. Donahue; John A. Haberman; Dan N. Harpold; Richard E. Hartle; Donald M. Hunten; Wayne T. Kasprzak; Paul R. Mahaffy; Tobias C. Owen; Nelson W. Spencer; Stanley H. Way

The Helium Mass Fraction in Jupiter's Atmosphere, pp. 849-851

U. von Zahn; D. M. Hunten

Solar and Thermal Radiation in Jupiter's Atmosphere: Initial Results of the Galileo Probe Net Flux Radiometer, pp. 851-854

L. A. Sromovsky; F. A. Best; A. D. Collard; P. M. Fry; H. E. Revercomb; R. S. Freedman; G. S. Orton; J. L. Hayden; M. G. Tomasko; M. T. Lemmon

Results of the Galileo Probe Nephelometer Experiment, pp. 854-856

Boris Ragent; David S. Colburn; Philip Avrin; Kathy A. Rages

High-Energy Charged Particles in the Innermost Jovian Magnetosphere, pp. 856-858

H. M. Fischer; E. Pehlke; G. Wibberenz; L. J. Lanzerotti; J. D. Mihalov

Radio Frequency Signals in Jupiter's Atmosphere, pp. 858-860

L. J. Lanzerotti; K. Rinnert; G. Dehmel; F. O. Gliem; E. P. Krider; M. A. Uman; J. Bach

Osmium Recycling in Subduction Zones, pp. 861-864

Alan D. Brandon; Robert A. Creaser; Steven B. Shirey; Richard W. Carlson

Amino Acid Racemization and the Preservation of Ancient DNA, pp. 864-866

Hendrik N. Poinar; Matthias Höss; Jeffrey L. Bada; Svante Pääbo

Polymers with Very Low Polydispersities from Atom Transfer Radical Polymerization, pp. 866-868

Timothy E. Patten; Jianhui Xia; Teresa Abernathy; Krzysztof Matyjaszewski

Homologous DNA Pairing Promoted by a 20-Amino Acid Peptide Derived from RecA, pp. 868-872

Oleg N. Voloshin; Lijiang Wang; R. Daniel Camerini-Otero

HIV-1 Entry Cofactor: Functional cDNA Cloning of a Seven-Transmembrane, G Protein-Coupled Receptor, pp. 872-877

Yu Feng; Christopher C. Broder; Paul E. Kennedy; Edward A. Berger

Requirement of p27 ^Kip1 for Restriction Point Control of the Fibroblast Cell Cycle, pp. 877-880

Steve Coats; W. Michael Flanagan; Jamison Nourse; James M. Roberts

A U1/U4/U5 snRNP Complex Induced by a 2′-O-Methyl-Oligoribonucleotide Complementary to U5 snRNA, pp. 881-884

Gil Ast; Alan M. Weiner

Genetically Engineered Resistance to Dengue-2 Virus Transmission in Mosquitoes, pp. 884-886

K. E. Olson; S. Higgs; P. J. Gaines; A. M. Powers; B. S. Davis; K. I. Kamrud; J. O. Carlson; C. D. Blair; B. J. Beaty

Two Genetically Separable Steps in the Differentiation of Thymic Epithelium, pp. 886-889

Michael Nehls; Bruno Kyewski; Martin Messerle; Ralph Waldschütz; Kerstin Schüddekopf; Andrew J. H. Smith; Thomas Boehm

Chemical Usurpation of a Nest by Paper Wasp Parasites, pp. 889-892

Anne-Geneviève Bagnères; Maria Cristina Lorenzi; Georges Dusticier; Stefano Turillazzi; Jean-Luc Clément

An Enhanced Immune Response in Mice Lacking the Transcription Factor NFAT1, pp. 892-895

Steven Xanthoudakis; Joao P. B. Viola; Karen T. Y. Shaw; Chun Luo; James D. Wallace; Patricia T. Bozza; Tom Curran; Anjana Rao

Technical Comments

Hydrogen-Based Microbial Ecosystems in the Earth, pp. 896-897

Eugene L. Madsen; Derek R. Lovley; Francis H. Chapelle; Todd Stevens; James McKinley

Back Matter (23 pp.)

Previous Issue: New Series, Vol. 272, No. 5262, May 3, 1996
Next Issue: New Series, Vol. 272, No. 5264, May 17, 1996