Science, New Series, Vol. 275, No. 5296, Jan. 3, 1997

Previous Issue: New Series, Vol. 274, No. 5295, Dec. 20, 1996
Next Issue: New Series, Vol. 275, No. 5297, Jan. 10, 1997

Front Matter (12 pp.)
Editorial: Continuous Innovation in Health, p. 9

Kenneth I. Shine

Letters

Disposing of Excess Plutonium, pp. 11-12

Wolfgang K. H. Panofsky

Eco-Friendly Coffee Farming, pp. 12-13

Daniel B. Katz; Allen M. Young

Approaches to AIDS Research, p. 13

Ronald C. Desrosiers

Swedish Biomedical Research Funding, pp. 13-14

Kerstin Eliasson

Responsibility of Co-Authors, p. 14

Michael K. Gilson; Tobias I. Baskin; Jay M. Pasachoff; Craig Loehle

Corrections and Clarifications: The Case of the Missing Migrants, p. 14
Corrections and Clarifications: Glimpsing Myelin's Protein Glue, p. 14
Corrections and Clarifications: High-Resolution Imaging of the Self-Assembly of Organic Monolayers, p. 14
Corrections and Clarifications: Prognosis in HIV-1 Infection Predicted by the Quantity of Virus in Plasma, p. 14
ScienceScope, p. 17

Jocelyn Kaiser

News and Comment

U.K. Universities: Jostling for Rank, pp. 18-19

Nigel Williams

CERN Sets Sights on an Early LHC, p. 19

Alexander Hellemans

The Pentagon Steps Up the Battle to Save Biodiversity, p. 20

Gretchen Vogel

Breast-Implant Ruling Sends a Message, p. 21

Jocelyn Kaiser

Basic Science Spending to Jump in 1997, p. 21

Dennis Normile

Panel Urges Cloning Ethics Boards, p. 22

Eliot Marshall

Duma Holds Down Science Budget, p. 22

Andrey Allakhverdov; Vladimir Pokrovsky

Drug Industry Misses Target for Funding Work on Campus, pp. 23-24

Wayne Kondro

Clinton Picks Pena to Lead Energy, p. 24

Andrew Lawler

New Funds Plant Seeds for Genome Research Effort, pp. 25-26

Patricia Kahn

Navigating Shrinking Financial Seas, p. 26

Virginia Morell

Research News

The Many Faces of WAS Protein, pp. 27-28

Carol Featherstone

Evolutionary Psychologists Look for Roots of Cognition, pp. 29-30

Nigel Williams

Improbable Particles-or Artifacts?, pp. 30-31

Andrew Watson

Researchers Construct Cell Look-Alikes, p. 31

Robert F. Service

New Knockout Mice Point to Molecular Basis of Memory, pp. 32-33

Wade Roush

Hedging Bets on Hard Problems, p. 33

Charles Seife

Random Samples, p. 35

Constance Holden

Book Reviews

The Cancer Field, p. 36

Racing to the Beginning of the Road. The Search for the Origin of Cancer.

Robert A. Weinberg

Review author[s]: George Klein

Evolutionary Issues, pp. 36-37

Molecular Zoology. Advances, Strategies, and Protocols.

Joan D. Ferraris; Stephen R. Palumbi

Review author[s]: Rodney L. Honeycutt

Reprints of Books Previously Reviewed, p. 37

Perspectives

Evidence for Life on Earth More Than 3850 Million Years Ago, pp. 38-39

Heinrich D. Holland

Germanyl and Silyl Cations: Free at Last, pp. 39-40

Paul von Ragué Schleyer

Pax Polio, pp. 40-41

Harry F. Hull

Asthma: An Epidemic in the Absence of Infection?, pp. 41-42

William O. C. M. Cookson; Miriam F. Moffatt

There Are GAPS and There Are GAPS, pp. 42-43

Ravi Iyengar

Webwatch, p. 43

David Voss

Mixed Self-Assembled Monolayers in Chemical Separations, pp. 44-47

Mary J. Wirth; R. W. Peter Fairbank; Hafeez O. Fatunmbi

Reports

A Possible Intracluster Origin for the Excess Soft X-ray Component in Some Clusters, pp. 48-49

A. C. Fabian

Generation of X-rays from Comet C/Hyakutake 1996 B2, pp. 49-51

R. Bingham; J. M. Dawson; V. D. Shapiro; D. A. Mendis; B. J. Kellett

An Economics Approach to Hard Computational Problems, pp. 51-54

Bernardo A. Huberman; Rajan M. Lukose; Tad Hogg

Femtosecond Dynamics of Excited-State Evolution in [Ru(bpy)₃] ²⁺, pp. 54-57

Niels H. Damrauer; Giulio Cerullo; Alvin Yeh; Thomas R. Boussie; Charles V. Shank; James K. McCusker

Effects of Monomer Structure on Their Organization and Polymerization in a Smectic Liquid Crystal, pp. 57-59

C. Allan Guymon; Erik N. Hoggan; Noel A. Clark; Thomas P. Rieker; David M. Walba; Christopher N. Bowman

A Free Cyclotrigermenium Cation with a 2π-Electron System, pp. 60-61

Akira Sekiguchi; Masanori Tsukamoto; Masaaki Ichinohe

Compressibility, Phase Transitions, and Oxygen Migration in Zirconium Tungstate, ZrW₂O₈, pp. 61-65

J. S. O. Evans; Z. Hu; J. D. Jorgensen; D. N. Argyriou; S. Short; A. W. Sleight

Disease Extinction and Community Size: Modeling the Persistence of Measles, pp. 65-67

M. J. Keeling; B. T. Grenfell

How Thiamine Diphosphate Is Activated in Enzymes, pp. 67-70

Dorothee Kern; Gunther Kern; Holger Neef; Kai Tittmann; Margrit Killenberg-Jabs; Christer Wikner; Gunter Schneider; Gerhard Hübner

Microtubule Architecture Specified by a β-Tubulin Isoform, pp. 70-73

Elizabeth C. Raff; James D. Fackenthal; Jeffrey A. Hutchens; Henry D. Hoyle; F. Rudolf Turner

Recognition of Unique Carboxyl-Terminal Motifs by Distinct PDZ Domains, pp. 73-77

Z. Songyang; A. S. Fanning; C. Fu; J. Xu; S. M. Marfatia; A. H. Chishti; A. Crompton; A. C. Chan; J. M. Anderson; L. C. Cantley

The Inverse Association Between Tuberculin Responses and Atopic Disorder, pp. 77-79

Taro Shirakawa; Tadao Enomoto; Shin-ichiro Shimazu; Julian M. Hopkin

Inflorescence Commitment and Architecture in Arabidopsis, pp. 80-83

Desmond Bradley; Oliver Ratcliffe; Coral Vincent; Rosemary Carpenter; Enrico Coen

Common Neural Substrates for the Addictive Properties of Nicotine and Cocaine, pp. 83-86

Emilio Merlo Pich; Sonia R. Pagliusi; Michela Tessari; Dominique Talabot-Ayer; Rob Hooft van Huijsduijnen; Christian Chiamulera

Interaction of the Thiol-Dependent Reductase ERp57 with Nascent Glycoproteins, pp. 86-88

Jason D. Oliver; Fimme J. van der Wal; Neil J. Bulleid; Stephen High

Early Onset of Reproductive Function in Normal Female Mice Treated with Leptin, pp. 88-90

Farid F. Chehab; Khalid Mounzih; Ronghua Lu; Mary E. Lim

Induction of Apoptosis by ASK1, a Mammalian MAPKKK That Activates SAPK/JNK and p38 Signaling Pathways, pp. 90-94

Hidenori Ichijo; Eisuke Nishida; Kenji Irie; Peter ten Dijke; Masao Saitoh; Tetsuo Moriguchi; Minoru Takagi; Kunihiro Matsumoto; Kohei Miyazono; Yukiko Gotoh

Technical Comments

Detecting Phases of Iron, pp. 94-96

S. K. Saxena; L. S. Dubrovinsky; C. S. Yoo; J. Akella; A. J. Campbell; H. K. Mao; R. J. Hemley

Back Matter (28 pp.)

Previous Issue: New Series, Vol. 274, No. 5295, Dec. 20, 1996
Next Issue: New Series, Vol. 275, No. 5297, Jan. 10, 1997

Science, New Series, Vol. 275, No. 5297, Jan. 10, 1997

Previous Issue: New Series, Vol. 275, No. 5296, Jan. 3, 1997
Next Issue: New Series, Vol. 275, No. 5298, Jan. 17, 1997

Front Matter (28 pp.)
Editorial: Canada's Crisis: Can Business Rescue Science?, p. 139

Albert J. Aguayo; Richard A. Murphy

Letters

AIDS: The Process of Discovery, pp. 141-142

Harold Varmus; William Paul; Robert Gallo; Michael Balter

Characterizing Scientific Knowledge, p. 142

Paul R. Gross; Floyd Centore

Neurons and Reaction Times, pp. 142-145

Michael G. H. Coles; James C. Lynch; François Richer; André Achim; Jeffrey D. Schall; Doug P. Hanes

Corrections and Clarifications: Linker Histones, DNA's Protein Custodians, Gain New Respect, p. 145
ScienceScope, p. 147

Jocelyn Kaiser

News and Comment

The One That Got Away?, pp. 148-151

Gary Taubes

Influx of Industrial Funding Shifts Balance on Campus, pp. 152-153

Chang-Yop Kim; Dennis Normile

NIH, Hopkins Team Up on Genotyping, p. 153

Richard Stone

Ex-Rep. Walker Joins Lobbying Firm, p. 153

Andrew Lawler

Wide Use of Rabbit Virus Is Good News for Native Species, p. 154

Dan Drollette

Research News

Opening the Way to Gene Activity, pp. 155-157

Elizabeth Pennisi

The Subtle Pull of Emptiness, p. 158

Charles Seife

Clouds Gather Over Deuterium Sighting, pp. 158-159

James Glanz

Japan's 'Super' Site Confirms Deficit, p. 159

James Glanz

Geophysicists Peer Into Fiery Core and Icy Ocean Depths, pp. 160-161

Richard A. Kerr

Random Samples, p. 163

Constance Holden

Book Reviews

Anthropologies of Technology, p. 174

Paths of Fire. An Anthropologist's Inquiry into Western Technology.

Robert McC. Adams

The Spell of the Sensuous. Perception and Language in a More-Than-Human World.

David Abram

Review author[s]: Carl Mitcham

Global Issues, p. 175

Biodiversity II. Understanding and Protecting Our Biological Resources.

Marjorie L. Reaka-Kudla; Don E. Wilson; Edward O. Wilson

Review author[s]: José Sarukhán

Perspectives

Seeking a Simple Complex System, pp. 177-178

G. Aeppli; P. Chandra

The Year of the Dendrite, pp. 178-179

Terrence J. Sejnowski

More Than Just Frequency Detectors?, pp. 179-180

Alex M. Thomson

Reports

Predictability of North Atlantic Multidecadal Climate Variability, pp. 181-184

Stephen M. Griffies; Kirk Bryan

The Origin of Gravitational Lensing: A Postscript to Einstein's 1936 Science Paper, pp. 184-186

Jurgen Renn; Tilman Sauer; John Stachel

Diameter-Selective Raman Scattering from Vibrational Modes in Carbon Nanotubes, pp. 187-191

A. M. Rao; E. Richter; Shunji Bandow; Bruce Chase; P. C. Eklund; K. A. Williams; S. Fang; K. R. Subbaswamy; M. Menon; A. Thess; R. E. Smalley; G. Dresselhaus; M. S. Dresselhaus

The Kinetic Significance of V ⁵⁺ in n-Butane Oxidation Catalyzed by Vanadium Phosphates, pp. 191-193

George W. Coulston; Simon R. Bare; Harold Kung; Kari Birkeland; Gregory K. Bethke; Richard Harlow; Norman Herron; Peter L. Lee

Crustal Deformation from 1992 to 1995 at the Mid-Atlantic Ridge, Southwest Iceland, Mapped by Satellite Radar Interferometry, pp. 193-197

Helene Vadon; Freysteinn Sigmundsson

Recalibrated Mariner 10 Color Mosaics: Implications for Mercurian Volcanism, pp. 197-200

Mark S. Robinson; Paul G. Lucey

Activation of SAPK/JNK by TNF Receptor 1 Through a Noncytotoxic TRAF2- Dependent Pathway, pp. 200-203

Gioacchino Natoli; Antonio Costanzo; Angelo Ianni; Dennis J. Templeton; James R. Woodgett; Clara Balsano; Massimo Levrero

Regulation of Cell Cycle Synchronization by Decapentaplegic During Drosophila Eye Development, pp. 203-206

Andrea Penton; Scott B. Selleck; F. Michael Hoffmann

Activation of Interferon-γ Inducing Factor Mediated by Interleukin-1β Converting Enzyme, pp. 206-209

Yong Gu; Keisuke Kuida; Hiroko Tsutsui; George Ku; Kathy Hsiao; Mark A. Fleming; Nobuki Hayashi; Kazuya Higashino; Haruki Okamura; Kenji Nakanishi; Masashi Kurimoto; Tadao Tanimoto; Richard A. Flavell; Vicki Sato; Matthew W. Harding; David J. Livingston; Michael S.-S. Su

A Synaptically Controlled, Associative Signal for Hebbian Plasticity in Hippocampal Neurons, pp. 209-213

Jeffrey C. Magee; Daniel Johnston

Regulation of Synaptic Efficacy by Coincidence of Postsynaptic APs and EPSPs, pp. 213-215

Henry Markram; Joachim Lübke; Michael Frotscher; Bert Sakmann

Microtubule Treadmilling in Vivo, pp. 215-218

Vladimir I. Rodionov; Gary G. Borisy

Cancer Chemopreventive Activity of Resveratrol, a Natural Product Derived from Grapes, pp. 218-220

Meishiang Jang; Lining Cai; George O. Udeani; Karla V. Slowing; Cathy F. Thomas; Christopher W. W. Beecher; Harry H. S. Fong; Norman R. Farnsworth; A. Douglas Kinghorn; Rajendra G. Mehta; Richard C. Moon; John M. Pezzuto

Synaptic Depression and Cortical Gain Control, pp. 220-224

L. F. Abbott; J. A. Varela; Kamal Sen; S. B. Nelson

Circadian Rhythms in Rapidly Dividing Cyanobacteria, pp. 224-227

Takao Kondo; Tetsuya Mori; Nadya V. Lebedeva; Setsuyuki Aoki; Masahiro Ishiura; Susan S. Golden

Technical Comments

Reverse Transcriptase Fidelity and HIV-1 Variation, pp. 228-231

Bradley D. Preston; Wilco Keulen; Monique Nijhuis; Rob Schuurman; Ben Berkhout; Charles Boucher; Jan Balzarini; Heidi Pelemans; Erik De Clercq; Anna Karlsson; Jörg-Peter Kleim; Vinayaka R. Prasad; William C. Drosopoulos; Mark A. Wainberg

Back Matter (41 pp.)

Previous Issue: New Series, Vol. 275, No. 5296, Jan. 3, 1997
Next Issue: New Series, Vol. 275, No. 5298, Jan. 17, 1997

Science, New Series, Vol. 275, No. 5298, Jan. 17, 1997

Previous Issue: New Series, Vol. 275, No. 5297, Jan. 10, 1997
Next Issue: New Series, Vol. 275, No. 5299, Jan. 24, 1997

Front Matter (24 pp.)
Editorial: Financial Interests Constrain Drug Development, p. 287

Silvio Garattini

Letters

ITER Forecasts, pp. 289-292

David E. Baldwin; Richard D. Hazeltine; Ronald C. Davidson; Miklos Porkolab; Marshall N. Rosenbluth; D. C. Robinson; Edmund J. Synakowski; W. Dorland; M. Kotschenreuther; G. W. Hammett

Balkanization by Internet?, p. 293

Massimo Battaglia; Christopher Weed

Corrections and Clarifications: Turbulance May Sink Titanic Reactor, p. 293
ScienceScope, p. 295

Jocelyn Kaiser

News and Comment

Selling Science: At What Price?, pp. 296-297

Andrew Lawler

Judgment Pries Open Expert Panel, p. 297

Jocelyn Kaiser

The Media's Love Affair with AIDS Research: Hope vs. Hype, pp. 298-299

Jon Cohen

African Malaria Studies Draw Attention, p. 299

Eliot Marshall

NSF Prepares to Dish Up Millimeter Array Project, pp. 300-301

Jeffrey Mervis

How to Get Databases Talking the Same Language, pp. 301-302

Nigel Williams

SINQ Quickens Pulse to Cool Its Beams, p. 302

Alexander Hellemans

Research News

Making Single Electrons Compute, pp. 303-304

Robert F. Service

Integrating the Biological Sciences in New Mexico, pp. 305-306

Elizabeth Pennisi

New "Guiding" Protein Discovered, p. 306

Jocelyn Kaiser

Putting a Quantum Computer to Work in a Cup of Coffee, pp. 307-309

Gary Taubes

Yangtze Seen as Earliest Rice Site, p. 309

Dennis Normile

Center Seeks Synthesis to Make Ecology More Useful, pp. 310-311

Yvonne Baskin

Random Samples, p. 313

Constance Holden

Book Reviews

The AIDS Engagement, p. 320

Impure Science. AIDS, Activism, and the Politics of Knowledge.

Steven Epstein

Review author[s]: Ronald Bayer

A Technical Alliance, p. 321

Top Secret Exchange. The Tizard Mission and the Scientific War.

David Zimmerman

Review author[s]: Louis Brown

Martian Substances, p. 321

Water on Mars.

Michael H. Carr

Review author[s]: Fraser Fanale

Perspectives

Polymorphic Phase Transitions in Liquids and Glasses, pp. 322-323

Peter H. Poole; Tor Grande; C. Austen Angell; Paul F. McMillan

Chaotic Beetles, pp. 323-324

Charles Godfray; Michael Hassell

Synapse Elimination: For Nerves It's All or Nothing, pp. 324-325

Eric Frank

Bioinformatics

Information Retrieval in Digital Libraries: Bringing Search to the Net, pp. 327-334

Bruce R. Schatz

Mathematical and Computational Challenges in Population Biology and Ecosystems Science, pp. 334-343

Simon A. Levin; Bryan Grenfell; Alan Hastings; Alan S. Perelson

An Information-Intensive Approach to the Molecular Pharmacology of Cancer, pp. 343-349

John N. Weinstein; Timothy G. Myers; Patrick M. O'Connor; Stephen H. Friend; Albert J. Fornace Jr.; Kurt W. Kohn; Tito Fojo; Susan E. Bates; Lawrence V. Rubinstein; N. Leigh Anderson; John K. Buolamwini; William W. van Osdol; Anne P. Monks; Dominic A. Scudiero; Edward A. Sausville; Daniel W. Zaharevitz; Barry Bunow; Vellarkad N. Viswanadhan; George S. Johnson; Robert E. Wittes; Kenneth D. Paull

Research Articles

Bulk Spin-Resonance Quantum Computation, pp. 350-356

Neil A. Gershenfeld; Isaac L. Chuang

Alterations in Synaptic Strength Preceding Axon Withdrawal, pp. 356-361

H. Colman; J. Nabekura; J. W. Lichtman

Reports

Stereoselective Bimolecular Phenoxy Radical Coupling by an Auxiliary (Dirigent) Protein Without an Active Center, pp. 362-366

Laurence B. Davin; Huai-Bin Wang; Anastasia L. Crowell; Diana L. Bedgar; Diane M. Martin; Simo Sarkanen; Norman G. Lewis

Reconstruction of Current Flow and Imaging of Current-Limiting Defects in Polycrystalline Superconducting Films, pp. 367-369

A. E. Pashitski; A. Gurevich; A. A. Polyanskii; D. C. Larbalestier; A. Goyal; E. D. Specht; D. M. Kroeger; J. A. DeLuca; J. E. Tkaczyk

Hillslope Evolution by Bedrock Landslides, pp. 369-372

Alexander L. Densmore; Robert S. Anderson; Brian G. McAdoo; Michael A. Ellis

An Explanation for Earth's Long-Term Rotational Stability, pp. 372-375

Mark A. Richards; Yannick Ricard; Carolina Lithgow-Bertelloni; Giorgio Spada; Roberto Sabadini

Depletion of the Outer Asteroid Belt, pp. 375-377

Jer-Chyi Liou; Renu Malhotra

Kinetic Measurement of the Step Size of DNA Unwinding by Escherichia coli UvrD Helicase, pp. 377-380

Janid A. Ali; Timothy M. Lohman

Receptor and βγ Binding Sites in the α Subunit of the Retinal G Protein Transducin, pp. 381-384

René Onrust; Paul Herzmark; Patty Chi; Pablo D. Garcia; Olivier Lichtarge; Chris Kingsley; Henry R. Bourne

Consumer Versus Resource Control in Freshwater Pelagic Food Webs, pp. 384-386

Michael T. Brett; Charles R. Goldman

Functional Specificity among Hsp70 Molecular Chaperones, pp. 387-389

Philip James; Christine Pfund; Elizabeth A. Craig

Chaotic Dynamics in an Insect Population, pp. 389-391

R. F. Costantino; R. A. Desharnais; J. M. Cushing; Brian Dennis

A Mouse Model with Features of Familial Combined Hyperlipidemia, pp. 391-394

Lori Masucci-Magoulas; Ira J. Goldberg; Charles L. Bisgaier; Humaira Serajuddin; Omar L. Francone; Jan L. Breslow; Alan R. Tall

Linkage of G Protein-Coupled Receptors to the MAPK Signaling Pathway Through PI 3-Kinase γ, pp. 394-397

Marco Lopez-Llasaca; Piero Crespo; P. Giuseppe Pellici; J. Silvio Gutkind; Reinhard Wetzker

Uniting Two General Patterns in the Distribution of Species, pp. 397-400

Iikka Hanski; Mats Gyllenberg

Reduced Ubiquitin-Dependent Degradation of c-Jun After Phosphorylation by MAP Kinases, pp. 400-402

Anna Maria Musti; Mathias Treier; Dirk Bohmann

Transmission of the BSE Agent to Mice in the Absence of Detectable Abnormal Prion Protein, pp. 402-405

Corinne I. Lasmézas; Jean-Philippe Deslys; Olivier Robain; Alexandre Jaegly; Vincent Beringue; Jean-Michel Peyrin; Jean-Guy Fournier; Jean-Jacques Hauw; Jean Rossier; Dominique Dormont

Technical Comments

Potency of Combined Estrogenic Pesticides, pp. 405-406

Kavita Ramamoorthy; Fan Wang; I-Chen Chen; Stephen Safe; John D. Norris; Donald P. McDonnell; Kevin W. Gaido; Wayne P. Bocchinfuso; Kenneth S. Korach; John A. McLachlan; Steven F. Arnold; Diane M. Klotz; Bridgette M. Collins; Peter M. Vonier; Louis J. Guillette

Redox Stabilization of the Atmosphere and Oceans and Marine Productivity, pp. 406-408

Albert S. Colman; Fred T. Mackenzie; Heinrich D. Holland; P. Van Cappellen; E. D. Ingall

Polyalanine Expansion in Synpolydactyly Might Result from Unequal Crossing- Over of HOXD13, pp. 408-409

Stephen T. Warren; Yasuteru Muragaki; Stefan Mundlos; Joseph Upton; Bjorn R. Olsen

Back Matter (35 pp.)

Previous Issue: New Series, Vol. 275, No. 5297, Jan. 10, 1997
Next Issue: New Series, Vol. 275, No. 5299, Jan. 24, 1997

Science, New Series, Vol. 275, No. 5299, Jan. 24, 1997

Previous Issue: New Series, Vol. 275, No. 5298, Jan. 17, 1997
Next Issue: New Series, Vol. 275, No. 5300, Jan. 31, 1997

Front Matter (24 pp.)
Editorial: Brain, Drugs, and Society, p. 459

Michael S. Gazzaniga

Letters

Multiple Authorship, p. 461

Benjamin White; Jonathan Knight

"Clear and Present Danger"?, pp. 461-462

K. K. S. Pillay

Graduate Students' Rights, p. 462

Eric Dirnbach

EMF Statement, pp. 462-463

Robert A. Frosch

Combining Expert Opinions, p. 463

Hal R. Arkes; Jeryl L. Mumpower; Thomas R. Stewart

Estonian Physicist: Active and Productive, pp. 463-465

Jaak Aaviksoo; Karl Rebane

Corrections and Clarifications: A Role for Phosphoinositide 3-Kinase in Bacterial Invasion, p. 464
Corrections and Clarifications: Functional Analysis of the Genes of Yeast Chromosome V by Genetic Footprinting, p. 464

Letters

Growth Hormone Research and Therapy, p. 465

Carl Grunfeld; Maxine Papadakis; P. Michael Conn; Cyril Y. Bowers

ScienceScope, p. 467

Jocelyn Kaiser

News and Comment

The Perils of Partnership, pp. 468-471

Richard Stone

Peer Review Lands Safely in Russia, p. 469

Andrey Allakhverdov; Andrew Lawler

Embryologists Dismayed by Sanctions Against Geneticist, p. 472

Eliot Marshall

Pig-Human Transplants Barred for Now, p. 473

Nigel Williams

Science Academies Set Joint Agenda, p. 473

Jeffrey Mervis

NRC Panel Enters the Fight Over Tagging Explosives, pp. 474-475

Robert F. Service

Leaders Protest Cuts in Science Support, p. 475

Robert Koenig

Research News

Visions of Black Holes, pp. 476-478

James Glanz

An Icy World Looks Livelier, p. 478

Richard A. Kerr

Much-Studied Butterfly Winks Out on Stanford Preserve, pp. 479-480

Ellen McGarrahan

Photons Add Up to Better Microscopy, pp. 480-481

Elizabeth Pennisi

More Powerful Pulses Please and Puzzle, pp. 481-482

Dennis Normile

Designing Therapies That Target Tumor Blood Vessels, pp. 482-484

Marcia Barinaga

Random Samples, pp. 485+487

Constance Holden

Book Reviews

Ascent by Natural Selection, pp. 495-496

Monad to Man. The Concept of Progress in Evolutionary Biology.

Michael Ruse

Review author[s]: Francisco J. Ayala

Comparative Volcanology, pp. 496-497

Volcanoes of the Solar System.

Charles Frankel

Volcano Instability on the Earth and Other Planets.

W. J. McGuire; A. P. Jones; J. Neuberg

Review author[s]: James B. Garvin

Neurobiology, p. 497

Nerve Growth and Guidance.

C. D. McCaig

Review author[s]: Dan Jay

Books Received, p. 497

Perspectives

Early Evolution of Continents, pp. 498-499

A. W. Hofmann

Science and the Protection of Endangered Species, pp. 499-500

H. Ronald Pulliam; Bruce Babbitt

elF4G: A Multipurpose Ribosome Adapter?, pp. 500-501

Matthias W. Hentze

Modeling the Exchanges of Energy, Water, and Carbon between Continents and the Atmosphere, pp. 502-509

P. J. Sellers; R. E. Dickinson; D. A. Randall; A. K. Betts; F. G. Hall; J. A. Berry; G. J. Collatz; A. S. Denning; H. A. Mooney; C. A. Nobre; N. Sato; C. B. Field; A. Henderson-Sellers

Reports

The Breakdown of Olivine to Perovskite and Magnesiowüstite, pp. 510-513

Yanbin Wang; Isabelle Martinez; François Guyot; Robert C. Liebermann

Transformation in Garnet from Orthorhombic Perovskite to LiNbO₃ Phase on Release of Pressure, pp. 513-515

Nobumasa Funamori; Takehiko Yagi; Nobuyoshi Miyajima; Kiyoshi Fujino

An Fe ^IV ₂O₂ Diamond Core Structure for the Key Intermediate Q of Methane Monooxygenase, pp. 515-518

Lijin Shu; Jeremy C. Nesheim; Karl Kauffmann; Eckard Münck; John D. Lipscomb; Lawrence Que Jr.

Detection and Characterization of the Cumulene Carbenes H₂C₅ and H₂C₆, pp. 518-520

M. C. McCarthy; M. J. Travers; A. Kovács; Wei Chen; Stewart E. Novick; C. A. Gottlieb; P. Thaddeus

Niobium/Uranium Evidence for Early Formation of the Continental Crust, pp. 521-523

Paul J. Sylvester; Ian H. Campbell; Deborah A. Bowyer

Regulation of NF-κB by Cyclin-Dependent Kinases Associated with the p300 Coactivator, pp. 523-527

Neil D. Perkins; Lisa K. Felzien; Jonathan C. Betts; Kwanyee Leung; David H. Beach; Gary J. Nabel

A Legume Ethylene-Insensitive Mutant Hyperinfected by Its Rhizobial Symbiont, pp. 527-530

R. Varma Penmetsa; Douglas R. Cook

Measuring Serotonin Distribution in Live Cells with Three-Photon Excitation, pp. 530-532

S. Maiti; Jason B. Shear; R. M. Williams; W. R. Zipfel; Watt W. Webb

Vascular System Defects and Impaired Cell Chemokinesis as a Result of Gα ₁₃ Deficiency, pp. 533-536

Stefan Offermanns; Valeria Mancino; Jean-Paul Revel; Melvin I. Simon

DCP-1, a Drosophila Cell Death Protease Essential for Development, pp. 536-540

Zhiwei Song; Kimberly McCall; Hermann Steller

Requirement for the Transcription Factor LSIRF/IRF4 for Mature B and T Lymphocyte Function, pp. 540-543

Hans-Willi Mittrücker; Toshifumi Matsuyama; Alex Grossman; Thomas M. Kündig; Julia Potter; Arda Shahinian; Andrew Wakeham; Bruce Patterson; Pamela S. Ohashi; Tak W. Mak

Still Life, a Protein in Synaptic Terminals of Drosophila Homologous to GDP-GTP Exchangers, pp. 543-547

Masaki Sone; Mikio Hoshino; Emiko Suzuki; Shinya Kuroda; Kozo Kaibuchi; Hideki Nakagoshi; Kaoru Saigo; Yo-ichi Nabeshima; Chihiro Hama

Tumor Infarction in Mice by Antibody-Directed Targeting of Tissue Factor to Tumor Vasculature, pp. 547-550

Xianming Huang; Grietje Molema; Steven King; Linda Watkins; Thomas S. Edgington; Philip E. Thorpe

Geographic Distribution of Endangered Species in the United States, pp. 550-553

A. P. Dobson; J. P. Rodriguez; W. M. Roberts; D. S. Wilcove

Technical Comments

Measuring Biogenic Carbon Flux in the Ocean, pp. 554-555

Philip Boyd; Philip Newton; Richard B. Rivkin; Louis Legendre; Don Deibel; Jean-Éric Tremblay; Bert Klein; Kenneth Crocker; Suzanne Roy; Norman Silverberg; Connie Lovejoy; Fabrice Mesplé; Nancy Romero; M. Robin Anderson; Paul Matthews; Claude Savenkoff; Alain Vézina; Jean-Claude Therriault; Joel Wesson; Chantal Bérubé; R. Grant Ingram

Back Matter (33 pp.)

Previous Issue: New Series, Vol. 275, No. 5298, Jan. 17, 1997
Next Issue: New Series, Vol. 275, No. 5300, Jan. 31, 1997

Science, New Series, Vol. 275, No. 5300, Jan. 31, 1997

Previous Issue: New Series, Vol. 275, No. 5299, Jan. 24, 1997
Next Issue: New Series, Vol. 275, No. 5301, Feb. 7, 1997

Front Matter (13 pp.)
Editorial: Bright Star Among Billions, p. 599

Stephen Jay Gould

Letters

Human Genome Agreements, pp. 601-602

Bradley G. Lorimier; J. Craig Venter; Neil A. Holtzman

Teaching Quality, pp. 602-603

Stephen C. Trombulak

Cosmological Interpretations, p. 603

Hans-Dieter Radecke

ScienceScope, p. 605

Jocelyn Kaiser

News and Comment

Europe Ponders Space Constraints, pp. 606-607

Alexander Hellemans

Biologists Mobilize Against Anti-Genetics Referendum, pp. 607-608

Robert Koenig

Senate Bills Back Huge Increases, p. 608

Jeffrey Mervis

NSF Fits in New Projects Despite Squeeze on Funding, p. 609

Jeffrey Mervis

Thrust and Parry Over Nuclear Risks, p. 610

Michael Balter

1.6 Million Fraud Award Overturned, p. 610

Jocelyn Kaiser

The Clearest View: Hubble Telescope to Get an Upgrade, pp. 611-612

Gretchen Vogel

ITER Review Team Takes Bullish Stance, p. 612

Andrew Lawler

Research News

Deep-Sinking Slabs Stir the Mantle, pp. 613-615

Richard A. Kerr

Advances Painted in Shades of Gray at a D.C. Conference, pp. 615-616

Jon Cohen

First Atom Laser Shoots Pulses of Coherent Matter, pp. 617-618

Gary Taubes

A "Master Control" Gene for Fly Eyes Shares Its Power, pp. 618-619

Wade Roush

Gas Clouds May be Relics of Creation, p. 619

James Glanz

Japanese Mission Stretches Limits of Interferometry, p. 620

Dennis Normile

Glaucoma Gene Provides Light at the End of the Tunnel, p. 621

Gretchen Vogel

Random Samples, p. 623

Constance Holden

Book Reviews

Family Niche and Intellectual Bent, pp. 624-625

Born to Rebel. Birth Order, Family Dynamics, and Creative Lives.

Frank J. Sulloway

Review author[s]: John Modell

Perspectives

Microlensing Sheds Light on Dark Matter, pp. 626-627

Paul Hewett; Stephen Warren

Searching a Quantum Phone Book, pp. 627-628

Gilles Brassard

Akt Signaling: Linking Membrane Events to Life and Death Decisions, pp. 628-630

Brian A. Hemmings

Alzheimer's Disease: Genotypes, Phenotype, and Treatments, pp. 630-631

Dennis J. Selkoe

How Cells Get the Right Chromosomes, pp. 632-637

R. Bruce Nicklas

Research Article

Observation of Interference between Two Bose Condensates, pp. 637-641

M. R. Andrews; C. G. Townsend; H.-J. Miesner; D. S. Durfee; D. M. Kurn; W. Ketterle

Reports

Photochemically Driven Collapse of Titan's Atmosphere, pp. 642-644

Ralph D. Lorenz; Christopher P. McKay; Jonathan I. Lunine

Earth-Based Radio Tracking of the Galileo Probe for Jupiter Wind Estimation, pp. 644-646

W. M. Folkner; R. A. Preston; J. S. Border; J. Navarro; W. E. Wilson; M. Oestreich

Microscopic Growth Mechanisms for Carbon Nanotubes, pp. 646-649

Jean-Christophe Charlier; Alessandro De Vita; Xavier Blase; Roberto Car

A Silicon Single-Electron Transistor Memory Operating at Room Temperature, pp. 649-651

Lingjie Guo; Effendi Leobandung; Stephen Y. Chou

Micropatterning Fluid Lipid Bilayers on Solid Supports, pp. 651-653

Jay T. Groves; Nick Ulman; Steven G. Boxer

Magnetic Collapse in Transition Metal Oxides at High Pressure: Implications for the Earth, pp. 654-657

Ronald E. Cohen; I. I. Mazin; Donald G. Isaak

A General Strategy for Selecting High-Affinity Zinc Finger Proteins for Diverse DNA Target Sites, pp. 657-661

Harvey A. Greisman; Carl O. Pabo

Regulation of Neuronal Survival by the Serine-Threonine Protein Kinase Akt, pp. 661-665

Henryk Dudek; Sandeep Robert Datta; Thomas F. Franke; Morris J. Birnbaum; Ryoji Yao; Geoffrey M. Cooper; Rosalind A. Segal; David R. Kaplan; Michael E. Greenberg

Direct Regulation of the Akt Proto-Oncogene Product by Phosphatidylinositol-3,4-bisphosphate, pp. 665-668

Thomas F. Franke; David R. Kaplan; Lewis C. Cantley; Alex Toker

Identification of a Gene That Causes Primary Open Angle Glaucoma, pp. 668-670

Edwin M. Stone; John H. Fingert; Wallace L. M. Alward; Thai D. Nguyen; Jon R. Polansky; Sara L. F. Sunden; Darryl Nishimura; Abbot F. Clark; Arne Nystuen; Brian E. Nichols; David A. Mackey; Robert Ritch; Jeffrey W. Kalenak; E. Randy Craven; Val C. Sheffield

Preattentive Filling-in of Visual Surfaces in Parietal Extinction, pp. 671-674

Jason B. Mattingley; Greg Davis; Jon Driver

NMDA Channel Regulation by Channel-Associated Protein Tyrosine Kinase Src, pp. 674-678

Xian-Min Yu; Rand Askalan; Gary J. Keil II; Michael W. Salter

Positive Selection of T Cells Induced by Viral Delivery of Neopeptides to the Thymus, pp. 678-683

Naoko Nakano; Ronald Rooke; Christophe Benoist; Diane Mathis

Technical Comments

Comparative Rates of Development in Monodelphis and Didelphis, pp. 683-684

Kathleen K. Smith; Alexander F. H. van Nievelt; Timothy Rowe

AAAS News and Notes, p. 685

Coimbra Sirica

Back Matter (35 pp.)

Previous Issue: New Series, Vol. 275, No. 5299, Jan. 24, 1997
Next Issue: New Series, Vol. 275, No. 5301, Feb. 7, 1997

Science, New Series, Vol. 275, No. 5301, Feb. 7, 1997

Previous Issue: New Series, Vol. 275, No. 5300, Jan. 31, 1997
Next Issue: New Series, Vol. 275, No. 5302, Feb. 14, 1997

Front Matter (28 pp.)
Editorial: NASA's New Science Vision, p. 735

Eric J. Chaisson

Letters

Disposing of Plutonium, pp. 737-738

Rodney C. Ewing; Werner Lutze; Meyer Steinberg

Science in Chile, p. 738

Ivan N. Saavedra

El Niño and Infectious Disease, p. 739

X. B. Yang; Harald Scherm

Atmospheric Nitrogen Deposition, pp. 739-741

Bruce A. Hungate; Thomas E. Jordan; Robert B. Jackson; Bert G. Drake; Geoffrey M. Henebry; David A. Wedin; David Tilman

Grizzly Habitat, p. 741

Fraser Shilling

Corrections and Clarifications: Fly Sex Drive Traced to Fru Gene, p. 741
Corrections and Clarifications: High Anxiety, p. 741
Corrections and Clarifications: Panel Finds EMFs Pose No Threat, p. 741
Corrections and Clarifications: Promotion of Mitochondrial Membrane Complex Assembly by a Proteolytically Inactive Yeast Lon, p. 741
ScienceScope, p. 743

Jocelyn Kaiser

News and Comment

Too Radical for NIH? Try DARPA, pp. 744-746

Eliot Marshall

Archaeologists Take to the Streets, p. 746

Michael Balter

Declining Enrollments, Funds Threaten Small Departments, p. 747

Nigel Williams

Monkey Virus DNA Found In Rare Human Cancers, pp. 748-749

Elizabeth Pennisi

Mixed Reviews for Habitat Plan, p. 749

Jim Kling

Should Governments Support Science?, p. 750

Andrew Lawler

Peña Wins Reprieve on Realignment, p. 750

Andrew Lawler

Research News

Obesity Sheds Its Secrets, pp. 751-753

Trisha Gura

A New Driver for the Atlantic's Moods and Europe's Weather?, pp. 754-755

Richard A. Kerr

Researchers Seek New Weapon Against the Flu, pp. 756-757

Robert F. Service

First Nematode-Resistance Gene Found, p. 757

Anne Simon Moffat

Dusty Roads of the Cosmos Lure New Explorers, pp. 758-759

James Glanz

Homage to an Itinerant Master, p. 759

Dana Mackenzie

Random Samples, p. 761

Gretchen Vogel

Biotechnology: Betting on the Genome

The Genomics Gamble, pp. 767-772

Jon Cohen

The Industry's Top Showman..., p. 773

Jon Cohen

... And a Recent Recruit, p. 773

Michael Balter

Developing Prescriptions With a Personal Touch, p. 776

Jon Cohen

Is Data-Hoarding Slowing the Assault on Pathogens?, pp. 777-780

Eliot Marshall

Companies Rush to Patent DNA, pp. 780-781

Eliot Marshall

Gene Tests Get Tested, p. 782

Eliot Marshall

Book Reviews

Transvaluations, pp. 787-788

Science, Jews, and Secular Culture. Studies in Mid-Twentieth-Century American Intellectual History.

David A. Hollinger

Review author[s]: Robert Westbrook

Retrospective in Physics, p. 788

History of Original Ideas and Basic Discoveries in Particle Physics.

Harvey B. Newman; Thomas Ypsilantis

Review author[s]: J. David Jackson

Perspectives

Subterranean Life, pp. 789-790

William C. Ghiorse

Organelle Genomes: Going, Going, Gone!, pp. 790-791

Jeffrey D. Palmer

DNA Ordering on a Lipid Membrane, pp. 791-792

Mark S. Spector; Joel M. Schnur

Policy Forum

The Scientific Wealth of Nations, pp. 793-796

Robert M. May

Anthropoid Origins, pp. 797-804

Richard F. Kay; Callum Ross; Blythe A. Williams

Reports

Interdecadal Climate Fluctuations That Depend on Exchanges Between the Tropics and Extratropics, pp. 805-807

Daifang Gu; S. G. H. Philander

Numerical Simulation of the Cretaceous Tethys Circumglobal Current, pp. 807-810

Andrew B. G. Bush

Structure of DNA-Cationic Liposome Complexes: DNA Intercalation in Multilamellar Membranes in Distinct Interhelical Packing Regimes, pp. 810-814

Joachim O. Rädler; Ilya Koltover; Tim Salditt; Cyrus R. Safinya

The Water Dipole Moment in Water Clusters, pp. 814-817

J. K. Gregory; D. C. Clary; K. Liu; M. G. Brown; R. J. Saykally

On the Quantum Nature of the Shared Proton in Hydrogen Bonds, pp. 817-820

Mark E. Tuckerman; Dominik Marx; Michael L. Klein; Michele Parrinello

Direct Measurement of a Tethered Ligand-Receptor Interaction Potential, pp. 820-822

Joyce Y. Wong; Tonya L. Kuhl; Jacob N. Israelachvili; Nasreen Mullah; Samuel Zalipsky

Fluorous Synthesis: A Fluorous-Phase Strategy for Improving Separation Efficiency in Organic Synthesis, pp. 823-826

Armido Studer; Sabine Hadida; Rafael Ferritto; Sun-Young Kim; Patrick Jeger; Peter Wipf; Dennis P. Curran

Recharge in Volcanic Systems: Evidence from Isotope Profiles of Phenocrysts, pp. 826-829

Jon P. Davidson; Frank J. Tepley III

Selective Use of TBP and TFIIB Revealed by a TATA-TBP-TFIIB Array with Altered Specificity, pp. 829-831

William P. Tansey; Winship Herr

Positional Cloning of a Gene for Nematode Resistance in Sugar Beet, pp. 832-834

Daguang Cai; Michael Kleine; Sirak Kifle; Hans-Joachim Harloff; Niels N. Sandal; Kjeld A. Marcker; René M. Klein-Lankhorst; Elma M. J. Salentijn; Wouter Lange; Willem J. Stiekema; Urs Wyss; Florian M. W. Grundler; Christian Jung

Two Modulatory Effects of Attention That Mediate Object Categorization in Human Cortex, pp. 835-838

Geraint Rees; Richard Frackowiak; Chris Frith

Dopaminergic Neurons Protected from Degeneration by GDNF Gene Therapy, pp. 838-841

Derek L. Choi-Lundberg; Qing Lin; Yung-Nien Chang; Yawen L. Chiang; Carl M. Hay; Hasan Mohajeri; Beverly L. Davidson; Martha C. Bohn

Paradoxical Improvement of Impulse Conduction in Cardiac Tissue by Partial Cellular Uncoupling, pp. 841-844

Stephan Rohr; Jan P. Kucera; Vladimir G. Fast; André G. Kléber

Calcium Waves in Retinal Glial Cells, pp. 844-847

Eric A. Newman; Kathleen R. Zahs

Joining the Two Domains of a Group I Ribozyme to Form the Catalytic Core, pp. 847-849

Michael A. Tanner; Thomas R. Cech

Back Matter (43 pp.)

Previous Issue: New Series, Vol. 275, No. 5300, Jan. 31, 1997
Next Issue: New Series, Vol. 275, No. 5302, Feb. 14, 1997

Science, New Series, Vol. 275, No. 5302, Feb. 14, 1997

Previous Issue: New Series, Vol. 275, No. 5301, Feb. 7, 1997
Next Issue: New Series, Vol. 275, No. 5303, Feb. 21, 1997

Front Matter (22 pp.)
Editorial: Future Imperfect and Tense, p. 907

Floyd E. Bloom

Letters

Green Education, p. 909

Frances S. Vandervoort; E. N. Anderson

Confinement Predictions for ITER, pp. 910-911

Weston M. Stacey; Ezio Zolti

Surfing the Neuroscience Net, p. 911

Pratibha Chaturvedi; Rinee Mukherjee; Fred Lenherr

In Focus, pp. 911-912

Janos Kirz; David A. Jefferson

Brain Activation and Sentence Comprehension, pp. 912-913

Brenda Rapp; Michael McCloskey; M. A. Just; P. A. Carpenter; T. A. Keller; W. F. Eddy; K. R. Thulborn

Corrections and Clarifications: Comparative Rates of Development in Monodelphis and Didelphis, p. 913
Corrections and Clarifications: Tritium Production, p. 913
ScienceScope, p. 915

Jocelyn Kaiser

News and Comment

Smoother Road for R&D Spending?, pp. 916-919

Andrew Lawler

NSF Revamps Graduate Training Grants, p. 918

Jeffrey Mervis

Europe Starts Search for Lone Electron, p. 920

Alexander Hellemans

The 'Gallo Case': Popovic Strikes Back, pp. 920-921

Jocelyn Kaiser

Russian Money Woes Endanger Project, p. 921

Andrew Lawler

Spat Over Intellectual Property Threatens Canadian Networks, pp. 922-923

Wayne Kondro

A Zebrafish Genome Project?, p. 923

Wade Roush

Research News

Death in Norse Greenland, pp. 924-926

Heather Pringle

Thyroid Disease: A Case of Cell Suicide?, p. 926

Nigel Williams

Bold Prediction Downplays the Sun's Next Peak, p. 927

James Glanz

Cells Count Proteins to Keep Their Telomeres in Line, p. 928

Marcia Barinaga

Smart Neurons Offer Neuroscience a Math Lesson, p. 929

Barry Cipra

Tracing Molecules That Make the Brain-Body Connection, pp. 930-931

Elizabeth Pennisi

Atoms Take a Turn for the Better, p. 931

Charles Seife

Random Samples, p. 933

Constance Holden

Book Reviews

Genetic Paradigms, p. 938

The Iac Operon. A Short History of a Genetic Paradigm.

Benno Müller-Hill

Review author[s]: Ponzy Lu

A Physical Atelier, pp. 938-939

The Quantum Theory of Fields. Vol. 2, Modern Applications.

Steven Weinberg

Review author[s]: Chris Quigg

NO Methodology, p. 939

Nitric Oxide Synthase. Characterization and Functional Analysis.

Mahin D. Maines

Review author[s]: Joseph Beckman

Books Received, p. 939

Perspectives

Fast, Cheap, and Very Bright, pp. 941-942

Gerhard Fasol

Extraterrestrial Handedness?, pp. 942-943

Jeffrey L. Bada

What Makes Us Tick?, pp. 943-944

Leonard Guarente

Research Article

Chemical Selection for Catalysis in Combinatorial Antibody Libraries, pp. 945-948

Kim D. Janda; Lee-Chiang Lo; Chih-Hung L. Lo; Mui-Mui Sim; Ruo Wang; Chi-Huey Wong; Richard A. Lerner

Reports

A Functional Model Related to Cytochrome c Oxidase and Its Electrocatalytic Four-Electron Reduction of O₂, pp. 949-951

James P. Collman; Lei Fu; Paul C. Herrmann; Xumu Zhang

Enantiomeric Excesses in Meteoritic Amino Acids, pp. 951-955

John R. Cronin; Sandra Pizzarello

Atomistic Simulation of Shock Wave-Induced Melting in Argon, pp. 955-957

A. B. Belonoshko

Twentieth-Century Sea Surface Temperature Trends, pp. 957-960

Mark A. Cane; Amy C. Clement; Alexey Kaplan; Yochanan Kushnir; Dmitri Pozdnyakov; Richard Seager; Stephen E. Zebiak; Ragu Murtugudde

Potential Involvement of Fas and Its Ligand in the Pathogenesis of Hashimoto's Thyroiditis, pp. 960-963

Carla Giordano; Giorgio Stassi; Ruggero de Maria; Matilde Todaro; Pierina Richiusa; Giuliana Papoff; Giovina Ruberti; Marcello Bagnasco; Roberto Testi; Aldo Galluzzo

Isolation of Putative Progenitor Endothelial Cells for Angiogenesis, pp. 964-967

Takayuki Asahara; Toyoaki Murohara; Alison Sullivan; Marcy Silver; Rien van der Zee; Tong Li; Bernhard Witzenbichler; Gina Schatteman; Jeffrey M. Isner

Somatic Frameshift Mutations in the BAX Gene in Colon Cancers of the Microsatellite Mutator Phenotype, pp. 967-969

Nicholas Rampino; Hiroyuki Yamamoto; Yurij Ionov; Yan Li; Hisako Sawai; John C. Reed; Manuel Perucho

Involvement of Pre- and Postsynaptic Mechanisms in Posttetanic Potentiation at Aplysia Synapses, pp. 969-973

Jian-Xin Bao; Eric R. Kandel; Robert D. Hawkins

A Mammalian Telomerase-Associated Protein, pp. 973-977

Lea Harrington; Timothy McPhail; Vernon Mar; Wen Zhou; Rena Oulton; Amgen EST Program; Mike B. Bass; Isabel Arruda; Murray O. Robinson

Immunoglobulin E Production in the Absence of Interleukin-4-Secreting CD1-Dependent Cells, pp. 977-979

Stephen T. Smiley; Mark H. Kaplan; Michael J. Grusby

Structural and Functional Conservation of the Caenorhabditis elegans Timing Gene clk-1, pp. 980-983

Jonathan J. Ewbank; Thomas M. Barnes; Bernard Lakowski; Marc Lussier; Howard Bussey; Siegfried Hekimi

Structure of BcI-X_L-Bak Peptide Complex: Recognition between Regulators of Apoptosis, pp. 983-986

Michael Sattler; Heng Liang; David Nettesheim; Robert P. Meadows; John E. Harlan; Matthias Eberstadt; Ho Sup Yoon; Suzanne B. Shuker; Brian S. Chang; Andy J. Minn; Craig B. Thompson; Stephen W. Fesik

A Protein-Counting Mechanism for Telomere Length Regulation in Yeast, pp. 986-990

Stéphane Marcand; Eric Gilson; David Shore

Defective Transcription-Coupled Repair of Oxidative Base Damage in Cockayne Syndrome Patients from XP Group G, pp. 990-993

Priscilla K. Cooper; Thierry Nouspikel; Stuart G. Clarkson; Steven A. Leadon

Regulation of Replicon Size in Xenopus Egg Extracts, pp. 993-995

Johannes Walter; John W. Newport

Technical Comments

Oxygenic Photoautotrophic Growth and Photosystem I, p. 996

John M. Olson; T. G. Owens; J. W. Lee; C. V. Tevault; E. Greenbaum

Back Matter (36 pp.)

Previous Issue: New Series, Vol. 275, No. 5301, Feb. 7, 1997
Next Issue: New Series, Vol. 275, No. 5303, Feb. 21, 1997

Science, New Series, Vol. 275, No. 5303, Feb. 21, 1997

Previous Issue: New Series, Vol. 275, No. 5302, Feb. 14, 1997
Next Issue: New Series, Vol. 275, No. 5304, Feb. 28, 1997

Front Matter (24 pp.)
Editorial: Knowledge and Distributed Intelligence, p. 1047

Richard N. Zare

Letters

"Man of the Year", p. 1049

Christine Gorman

Particle Physics Pessimism, pp. 1049-1050

Gordon Kane

Fusion Firsts?, p. 1050

B. Coppi

Risk Analysis, pp. 1050-1051

John H. Austin; Charles B. Connor; Brittain E. Hill

Risks in Collaboration?, p. 1051

Iain E. P. Taylor

Funding Sequencing Efforts, pp. 1051-1052

Enriqueta Bond; M. J. Finley Austin; André Goffeau

Doppler What?, p. 1052

Roy D. North

"Ecological Footprint", pp. 1052-1053

Jon Rosenberg

Global Mean Sea Level Change: Correction, p. 1053

R. S. Nerem

Corrections and Clarifications: Mechanism of Suppression of Cell-Mediated Immunity by Measles Virus, p. 1053
ScienceScope, p. 1055

Gretchen Vogel

News and Comment

The Breast-Screening Brawl, pp. 1056-1059

Gary Taubes

Ionosphere Research Lab Sparks Fears in Alaska, pp. 1060-1061

Lisa Busch

Scientists Convene in Seattle to Discuss Science and Policy, pp. 1061-1062

Andrew Lawler; Jocelyn Kaiser

U.S., Russia to Study Radiation Effects, pp. 1062-1063

Eliot Marshall

Transgenic Corn Ban Sparks a Furor, p. 1063

Michael Balter

Research News

Hipparcos Charts the Heavens, pp. 1064-1065

Andrew Watson

Src Structure Crystallizes 20 Years of Oncogene Research, p. 1066

Carol Featherstone

A New View of How Leg Muscles Operate on the Run, p. 1067

Elizabeth Pennisi

Did Birds Sail Through the K-T Extinction with Flying Colors?, p. 1068

Ann Gibbons

Trapped Buckyball Turns Up the Amp, p. 1069

Alexander Hellemans

Electron Mirror Gives a Clearer View, pp. 1069-1070

Erik Stokstad

How to Play Platonic Billiards, p. 1070

Barry Cipra

Random Samples, pp. 1071+1073

Constance Holden

Book Reviews

Coevolution of the Sexes, pp. 1075-1076

Female Control. Sexual Selection by Cryptic Female Choice.

William G. Eberhard

Review author[s]: R. Haven Wiley

The Dynamics of the Seas, p. 1076

Ocean Circulation Theory.

Joseph Pedlosky

The Ocean Circulation Inverse Problem.

Carl Wunsch

Review author[s]: Kirk Bryan

Perspectives

Rapid Sea-Level Rise Soon from West Antarctic Ice Sheet Collapse?, pp. 1077-1078

Charles R. Bentley

Superconductivity and Antiferromagnetism in High-T_c Cuprates, pp. 1078-1079

Naoto Nagaosa

Synchronous Spawning: When Timing is Everything, pp. 1080-1081

Mark Hay

Controlling Cell Death, pp. 1081-1082

Pierre Golstein

Research Article

A Unified Theory Based on SO(5) Symmetry of Superconductivity and Antiferromagnetism, pp. 1089-1096

Shou-Cheng Zhang

Reports

Nanofabrication of Small Copper Clusters on Gold(111) Electrodes by a Scanning Tunneling Microscope, pp. 1097-1099

D. M. Kolb; R. Ullmann; T. Will

Five-Coordinate Hydrogen: Neutron Diffraction Analysis of the Hydrido Cluster Complex [H₂Rh ₁₃ (CO) ₂₄ ] ^3-, pp. 1099-1102

Robert Bau; Mary H. Drabnis; Luigi Garlaschelli; Wim T. Klooster; Zuowei Xie; Thomas F. Koetzle; Secondo Martinengo

Probing Single Molecules and Single Nanoparticles by Surface-Enhanced Raman Scattering, pp. 1102-1106

Shuming Nie; Steven R. Emory

Direct Measurement of Single-Molecule Diffusion and Photodecomposition in Free Solution, pp. 1106-1109

Xiao-Hong Xu; Edward S. Yeung

Mass Survival of Birds Across the Cretaceous-Tertiary Boundary: Molecular Evidence, pp. 1109-1113

Alan Cooper; David Penny

Muscular Force in Running Turkeys: The Economy of Minimizing Work, pp. 1113-1115

Thomas J. Roberts; Richard L. Marsh; Peter G. Weyand; C. Richard Taylor

Mass Spawning by Green Algae on Coral Reefs, pp. 1116-1118

Kenneth E. Clifton

Calmodulin Regulation of Calcium Stores in Phototransduction of Drosophila, pp. 1119-1121

Assaf Arnon; Boaz Cook; Craig Montell; Zvi Selinger; Baruch Minke

Interaction of CED-4 with CED-3 and CED-9: A Molecular Framework for Cell Death, pp. 1122-1126

Arul M. Chinnaiyan; Karen O'Rourke; Brian R. Lane; Vishva M. Dixit

Interaction and Regulation of Subcellular Localization of CED-4 by CED-9, pp. 1126-1129

Dayang Wu; Herschel D. Wallen; Gabriel Nuñez

Prevention of Apoptosis by Bcl-2: Release of Cytochrome c from Mitochondria Blocked, pp. 1129-1132

Jie Yang; Xuesong Liu; Kapil Bhalla; Caryn Naekyung Kim; Ana Maria Ibrado; Jiyang Cai; Tsung-I Peng; Dean P. Jones; Xiaodong Wang

The Release of Cytochrome c from Mitochondria: A Primary Site for Bcl-2 Regulation of Apoptosis, pp. 1132-1136

Ruth M. Kluck; Ella Bossy-Wetzel; Douglas R. Green; Donald D. Newmeyer

Role for the Amino-Terminal Region of Human TBP in U6 snRNA Transcription, pp. 1136-1140

Vivek Mittal; Nouria Hernandez

Structural Convergence in the Active Sites of a Family of Catalytic Antibodies, pp. 1140-1142

Jean-Baptiste Charbonnier; Béatrice Golinelli-Pimpaneau; Benoît Gigant; Dan S. Tawfik; Rachel Chap; Daniel G. Schindler; Se-Ho Kim; Bernard S. Green; Zelig Eshhar; Marcel Knossow

Back Matter (86 pp.)

Previous Issue: New Series, Vol. 275, No. 5302, Feb. 14, 1997
Next Issue: New Series, Vol. 275, No. 5304, Feb. 28, 1997

Science, New Series, Vol. 275, No. 5304, Feb. 28, 1997

Previous Issue: New Series, Vol. 275, No. 5303, Feb. 21, 1997
Next Issue: New Series, Vol. 275, No. 5305, Mar. 7, 1997

Front Matter (29 pp.)
Editorial: The Comfort Zone, p. 1243

Mary Woolley

Letters

Bright Star, p. 1245

John C. Whitmer; Peter Bearse; Krishna R. Dronamraju

LHC "Price Tag", pp. 1245-1246

George Trilling

Marine Biodiversity Budget, p. 1246

Elliott A. Norse; Amy Mathews-Amos

Aspirin and Stroke, pp. 1246-1247

Andreas Barner

Biospherian Viewpoints, pp. 1247-1249

William F. Dempster; Mark Nelson; John Allen

Correction: Raloxifene Response Needs More Than an Element, p. 1249

Na N. Yang; Murali Venugopalan; Sushant Hardikar; Andrew Glasebrook

ScienceScope, p. 1251

Jocelyn Kaiser

News and Comment

NIF Ignites Changes at Livermore, pp. 1252-1254

Andrew Lawler

Laser Fusion With a Fast Twist, p. 1254

Dennis Normile

ORI's Self-Assessment: A Batting Average of .920?, p. 1255

Jock Friedly

Big Bucks for New Equipment, p. 1256

Wayne Kondro

Monte Verde: Blessed But Not Confirmed, pp. 1256-1257

Ann Gibbons

Is First Extrasolar Planet a Lost World?, pp. 1257-1258

James Glanz

Scientists Go Sleepless in Seattle at AAAS Meeting, pp. 1258-1260

Jocelyn Kaiser; Virginia Morell; Erik Stokstad; Steve Olson

Research News

Exploiting the HIV-Chemokine Nexus, pp. 1261-1264

Jon Cohen

HIV Experts vs. Sequencers in Patent Race, p. 1263

Eliot Marshall

In Mao's China, Politically Correct Math, pp. 1264-1265

Barry Cipra

Cores Document Ancient Catastrophe, p. 1265

Richard A. Kerr

Deep Within the Proton, a Flicker of New Physics?, p. 1266

James Glanz

Did a Blast of Sea-Floor Gas Usher in a New Age?, p. 1267

Richard A. Kerr

Tooling Around: Dates Show Early Siberian Settlement, p. 1268

Constance Holden

Scientists Probe Feelings Behind Decision-Making, p. 1269

Gretchen Vogel

Random Samples, p. 1271

Constance Holden

Book Reviews

The Clash of Cosmologies, pp. 1275-1276

Cosmology and Controversy. The Historical Development of Two Theories of the Universe.

Helge Kragh

Review author[s]: Woodruff T. Sullivan III

Perspectives

Growth Factors Sculpt the Synapse, pp. 1277-1278

Erin Schuman

Listening to Pele, pp. 1278-1279

Sylvie Vergniolle

Neptune's Deep Chemistry, pp. 1279-1280

W. B. Hubbard

Left-Right Asymmetry, p. 1280

Elizabeth J. Robertson

Reports

Diring Yuriakh: A Lower Paleolithic Site in Central Siberia, pp. 1281-1284

Michael R. Waters; Steven L. Forman; James M. Pierson

Laser Rapid Prototyping of Photonic Band-Gap Microstructures, pp. 1284-1286

Michael C. Wanke; Olaf Lehmann; Kurt Müller; Qingzhe Wen; Michael Stuke

Low-Temperature Nonoxidative Activation of Methane over H-Galloaluminosilicate (MFI) Zeolite, pp. 1286-1288

Vasant R. Choudhary; Anil K. Kinage; Tushar V. Choudhary

Dissociation of Methane into Hydrocarbons at Extreme (Planetary) Pressure and Temperature, pp. 1288-1290

F. Ancilotto; G. L. Chiarotti; S. Scandolo; E. Tosatti

Burst Conditions of Explosive Volcanic Eruptions Recorded on Microbarographs, pp. 1290-1293

Meghan M. Morrissey; Bernard A. Chouet

Deciding Advantageously Before Knowing the Advantageous Strategy, pp. 1293-1295

Antoine Bechara; Hanna Damasio; Daniel Tranel; Antonio R. Damasio

Single Molecule Force Spectroscopy on Polysaccharides by Atomic Force Microscopy, pp. 1295-1297

Matthias Rief; Filipp Oesterhelt; Berthold Heymann; Hermann E. Gaub

Macromolecular Trafficking Indicated by Localization and Turnover of Sucrose Transporters in Enucleate Sieve Elements, pp. 1298-1300

Christina Kühn; Vincent R. Franceschi; Alexander Schulz; Rémi Lemoine; Wolf B. Frommer

Control of Vertebrate Left-Right Asymmetry by a Snail-Related Zinc Finger Gene, pp. 1301-1304

Alison Isaac; Michael G. Sargent; Jonathan Cooke

Crystal Structure of Formate Dehydrogenase H: Catalysis Involving Mo, Molybdopterin, Selenocysteine, and an Fe₄S₄ Cluster, pp. 1305-1308

Jeffrey C. Boyington; Vadim N. Gladyshev; Sergei V. Khangulov; Thressa C. Stadtman; Peter D. Sun

Formation of Actin Stress Fibers and Focal Adhesions Enhanced by Rho-Kinase, pp. 1308-1311

Mutsuki Amano; Kazuyasu Chihara; Kazushi Kimura; Yuko Fukata; Nao Nakamura; Yoshiharu Matsuura; Kozo Kaibuchi

APC-Mediated Proteolysis of Ase 1 and the Morphogenesis of the Mitotic Spindle, pp. 1311-1314

Yue-Li Juang; James Huang; Jan-Michael Peters; Margaret E. McLaughlin; Chin-Yin Tai; David Pellman

Combinatorial Control Required for the Specificity of Yeast MAPK Signaling, pp. 1314-1317

Hiten D. Madhani; Gerald R. Fink

Role of Transforming Growth Factor-β in Long-Term Synaptic Facilitation in Aplysia, pp. 1318-1320

Fan Zhang; Shogo Endo; Leonard J. Cleary; Arnold Eskin; John H. Byrne

Isolation of a Common Receptor for Coxsackie B Viruses and Adenoviruses 2 and 5, pp. 1320-1323

Jeffrey M. Bergelson; Jennifer A. Cunningham; Gustavo Droguett; Evelyn A. Kurt-Jones; Anita Krithivas; Jeong S. Hong; Marshall S. Horwitz; Richard L. Crowell; Robert W. Finberg

Technical Comments

Cystic Fibrosis Transmembrane Conductance Regulator and Adenosine Triphosphate, pp. 1324-1326

Edward H. Abraham; Paul Okunieff; Stefania Scala; Petra Vos; Michiel J. S. Oosterveld; Allan Y. Chen; Brij Shrivastav; Guido Guidotti; 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; Ryszard Grygorczyk; John W. Hanrahan

Genetic Analysis of Complex Diseases, pp. 1327-1330

William K. Scott; Margaret A. Pericak-Vance; Jonathan L. Haines; Douglas A. Bell; Jack A. Taylor; Anthony D. Long; Mark N. Grote; Charles H. Langley; Bertram Müller-Myhsok; Laurent Abel; Neil Risch; Kathleen Merikangas

AAAS News and Notes, pp. 1334-1335

S. L. Byrand

Back Matter (49 pp.)

Previous Issue: New Series, Vol. 275, No. 5303, Feb. 21, 1997
Next Issue: New Series, Vol. 275, No. 5305, Mar. 7, 1997

Science, New Series, Vol. 275, No. 5305, Mar. 7, 1997

Previous Issue: New Series, Vol. 275, No. 5304, Feb. 28, 1997
Next Issue: New Series, Vol. 275, No. 5306, Mar. 14, 1997

Front Matter (38 pp.)
Editorial: Rethinking Grant Peer Review, p. 1399

Steven J. Fliesler

Letters

Butterfly Watching, p. 1401

Steven B. Sands

APEX: An Unexplained Event, pp. 1401-1403

Michael E. Zeller; Jack Sandweiss; Walter Greiner

Authorship: Truth in Labeling, pp. 1403-1404

J. J. Hopfield

Asbestos Removal, p. 1404

Marc Hindry; Michael Harris

Recombinant DNA Technique and Sickle Cell Anemia Research, pp. 1404-1405

Kirk R. Thomas; Mario R. Capecchi; Eric B. Kmiec

The Cause of Obesity, p. 1405

Per Södersten

Corrections and Clarifications: Still Life, a Protein in Synaptic Terminals of Drosophila Homologous to GDP-GTP Exchangers, p. 1405
ScienceScope, p. 1407

Jocelyn Kaiser

News and Comment

Slow Rebuilding of Germany's East, pp. 1408-1409

Robert Koenig

All-Star Group Prescribes Partnerships for R&D Woes, p. 1410

Jon Cohen

Feds Probe Causes of Academic Stress, p. 1410

Jeffrey Mervis

New Tax Code Threatens Science Funds, p. 1411

Andrey Allakhverdov; Vladimir Pokrovsky

Charges Fly Over Advocacy Research, pp. 1411-1412

Jock Friedly

Panel Hopes to Splice Pieces of U.S. Research Network, pp. 1412-1413

Jeffrey Mervis

Framework: 'Unfocused, Underachieving', p. 1414

Nigel Williams

Tighter Rules for Sharing Studied, p. 1414

Andrew Lawler

Research News

Will Dolly Send in the Clones?, pp. 1415-1416

Elizabeth Pennisi; Nigel Williams

Farsighted Gravity Lens Sees Stars, pp. 1416-1417

James Glanz

In Search of Africa's Forgotten Forest Elephant, pp. 1417-1419

Laura Tangley

How Reptiles Took Wing, p. 1419

Bernice Wuethrich

Double Helix Does Chemistry at a Distance-But How?, pp. 1420-1421

Gary Taubes

Parasites Shed Light on Cellular Evolution, p. 1422

Gretchen Vogel

Random Samples, pp. 1423+1425

Constance Holden

Book Reviews

The Founder of Genetics, p. 1438

Gregor Mendel. The First Geneticist.

Gregor Mendel; Vítĕzslav Orel

Review author[s]: Robert Olby

Drug Discoveries, pp. 1438-1439

The Psychopharmacologists.

David Healy

Review author[s]: Leslie Iversen

Perspectives

Ion-Surface Interactions: From Channeling to Soft-Landing, pp. 1440-1441

A. W. Kleyn

Unresolvable Endings: Defective Telomeres and Failed Separation, pp. 1441-1443

R. Scott Hawley

Webwatch, p. 1441

David Voss

Biological Nitrogen Fixation and Model Chemistry, p. 1442

G. J. Leigh

Reports

Transformation of Coordinated Dinitrogen by Reaction with Dihydrogen and Primary Silanes, pp. 1445-1447

Michael D. Fryzuk; Jason B. Love; Steven J. Rettig; Victor G. Young

Soft-Landing of Polyatomic Ions at Fluorinated Self-Assembled Monolayer Surfaces, pp. 1447-1450

S. A. Miller; H. Luo; S. J. Pachuta; R. G. Cooks

Gliding Mechanism in the Late Permian Reptile Coelurosauravus, pp. 1450-1452

Eberhard Frey; Hans-Dieter Sues; Wolfgang Munk

Strontianite in Coral Skeletal Aragonite, pp. 1452-1454

Robert B. Greegor; Nicholas E. Pingitore Jr.; Farrel W. Lytle

Pulses of Rapid Ventilation in the North Atlantic Surface Ocean During the Past Century, pp. 1454-1457

Ellen R. M. Druffel

Controlling Polymer-Surface Interactions with Random Copolymer Brushes, pp. 1458-1460

P. Mansky; Y. Liu; E. Huang; T. P. Russell; C. Hawker

Dinitrogen Bridged Gold Clusters, pp. 1460-1462

Hui Shan; Yi Yang; Alan J. James; Paul R. Sharp

Optical Computation with Negative Light Intensity with a Plastic Bacteriorhodopsin Film, pp. 1462-1464

Aaron Lewis; Yehuda Albeck; Zvi Lange; Julia Benchowski; Gavriel Weizman

Oxidative Thymine Dimer Repair in the DNA Helix, pp. 1465-1468

Peter J. Dandliker; R. Erik Holmlin; Jacqueline K. Barton

Requirement of the DEAD-Box Protein Ded1p for Messenger RNA Translation, pp. 1468-1471

Ray-Yuan Chuang; Paul L. Weaver; Zheng Liu; Tien-Hsien Chang

Structure of a Protein Photocycle Intermediate by Millisecond Time-Resolved Crystallography, pp. 1471-1475

Ulrich K. Genick; Gloria E. O. Borgstahl; Kingman Ng; Zhong Ren; Claude Pradervand; Patrick M. Burke; Vukica Šrajer; Tsu-Yi Teng; Wilfried Schildkamp; Duncan E. McRee; Keith Moffat; Elizabeth D. Getzoff

PTG, a Protein Phosphatase 1-Binding Protein with a Role in Glycogen Metabolism, pp. 1475-1478

John A. Printen; Matthew J. Brady; Alan R. Saltiel

Block in Anaphase Chromosome Separation Caused by a Telomerase Template Mutation, pp. 1478-1481

Karen E. Kirk; Brian P. Harmon; Isabel K. Reichardt; John W. Sedat; Elizabeth H. Blackburn

Immune Hyperactivation of HIV-1-Infected T Cells Mediated by Tat and the CD28 Pathway, pp. 1481-1485

Melanie Ott; Stephane Emiliani; Carine van Lint; Georges Herbein; Jennie Lovett; Narendra Chirmule; Thomas McCloskey; Savita Pahwa; Eric Verdin

A Plastid of Probable Green Algal Origin in Apicomplexan Parasites, pp. 1485-1489

Sabine Köhler; Charles F. Delwiche; Paul W. Denny; Lewis G. Tilney; Paul Webster; R. J. M. Wilson; Jeffrey D. Palmer; David S. Roos

Technical Comments

Evidence for a Family of Archaeal ATPases, pp. 1489-1490

Eugene V. Koonin

Aquaporins and Ion Conductance, pp. 1490-1492

Peter Agre; M. Douglas Lee; Sreenivas Devidas; William B. Guggino; Sei Sasaki; Shinichi Uchida; Michio Kuwahara; Kiyohide Fushimi; Fumiaki Marumo; A. S. Verkman; Baoxue Yang; P. M. T. Deen; S. M. Mulders; S. M. Kansen; C. H. van Os; Jorge Fischbarg; Kunyan Kuang; Jun Li; Pavel Iserovich; Qian Wen; Rajkumar V. Patil; Zhiquang Han; Martin B. Wax; John W. Regan; W. Daniel Stamer; Andrea J. Yool

Science's Next Wave: Jobs for New Ph.D.s: Rosy Data Hide Some Thorns, p. 1501

Nicole Ruediger

Back Matter (31 pp.)

Previous Issue: New Series, Vol. 275, No. 5304, Feb. 28, 1997
Next Issue: New Series, Vol. 275, No. 5306, Mar. 14, 1997

Science, New Series, Vol. 275, No. 5306, Mar. 14, 1997

Previous Issue: New Series, Vol. 275, No. 5305, Mar. 7, 1997
Next Issue: New Series, Vol. 275, No. 5307, Mar. 21, 1997

Front Matter (22 pp.)
Editorial: The Science of the Mind, p. 1547

Marilyn S. Albert

Letters

Forty-Something Breast Screening, p. 1549

Edward A. Sickles

Predictive Value of Drosophila, pp. 1549-1551

Rob DeSalle; Ranhy Bang; Michael Yudell; Rudolf Meier

The Poetry Corner, p. 1550

Jonathan Knight; Martin Grayson

Moore's Law, p. 1551

Alfred E. Brenner

Coffee Growing: Sun or Shade?, p. 1552

Charles MacVean

"Atomi Gonfi", pp. 1552-1553

Ugo Amaldi

Corrections and Clarifications: eIF4G: A Multipurpose Ribosome Adapter?, p. 1553
ScienceScope, p. 1555

Eliot Marshall

News and Comment

Biology Departments Restructure, pp. 1556-1558

Wade Roush

Science Slides to Bottom of Schedule, p. 1558

Andrew Lawler

Phylogenetic Analysis: Getting Its Day in Court, pp. 1559-1560

Gretchen Vogel

Spotting a Gamma Burst's Afterglow, p. 1560

Govert Schilling

Court Invalidates Expert Panel Report, pp. 1560-1561

Jocelyn Kaiser

Panel Approves Gene Trial for 'Normals', p. 1561

Eliot Marshall

New Institute Seen as Brains Behind Big Boost in Spending, pp. 1562-1563

Dennis Normile

Domain Names Windfall Causes Flap, p. 1563

Jeffrey Mervis

Research News

Why the West Stands Tall, pp. 1564-1565

Richard A. Kerr

Quantum Squeeze Wrings Uncertainty From Atom Waves, p. 1566

Daniel Clery

Superoxides Relay Ras Protein's Oncogenic Message, pp. 1567-1568

Elizabeth Pennisi

HOX Gene Links Limb, Genital Defects, p. 1568

Steven Dickman

Labs Take Aim at Rapid-Fire Lasers for Fusion Power, p. 1569

Peter Weiss

Taking 'Hard' Problems to the Limit, p. 1570

Barry Cipra

The Weighty Matter of Names, p. 1570

Erik Stokstad

Random Samples, pp. 1571+1573

Constance Holden

Cognitive Neuroscience

News

[Introduction], p. 1579

Gilbert J. Chin; Jean Marx

Getting a Grasp on Working Memory, pp. 1580-1582

Ingrid Wickelgren

Visual System Provides Clues To How the Brain Perceives, pp. 1583-1585

Marcia Barinaga

Linking Mind and Brain in the Study of Mental Illnesses: A Project for a Scientific Psychopathology, pp. 1586-1593

Nancy C. Andreasen

A Neural Substrate of Prediction and Reward, pp. 1593-1599

Wolfram Schultz; Peter Dayan; P. Read Montague

Language Acquisition and Use: Learning and Applying Probabilistic Constraints, pp. 1599-1603

Mark S. Seidenberg

Optimality: From Neural Networks to Universal Grammar, pp. 1604-1610

Alan Prince; Paul Smolensky

Book Reviews

Language as Public Construction, p. 1611

Language in Cognitive Development. Emergence of the Mediated Mind.

Katherine Nelson

Review author[s]: Catherine Snow

Motor Learning, p. 1612

The Acquisition of Motor Behavior in Vertebrates.

James R. Bloedel; Timothy J. Ebner; Steven P. Wise

Review author[s]: Tamar Flash

Perspectives

Sea-Floor Depth and the Lake Wobegon Effect, pp. 1613-1614

Seth Stein; Carol A. Stein

Paths to Activation of Transcription, pp. 1614-1616

E. Peter Geiduschek

Tagging T Cells: T_H1 or T_H2?, p. 1615

Richard Gallagher

Earthquakes Cannot Be Predicted, pp. 1616-1617

Robert J. Geller; David D. Jackson; Yan Y. Kagan; Francesco Mulargia

Reports

Borehole Temperatures and a Baseline for 20th-Century Global Warming Estimates, pp. 1618-1621

Robert N. Harris; David S. Chapman

High-Pressure Iron-Sulfur Compound, Fe₃S₂, and Melting Relations in the Fe-FeS System, pp. 1621-1623

Yingwei Fei; Constance M. Bertka; Larry W. Finger

Melting of (Mg,Fe)₂SiO₄ at the Core-Mantle Boundary of the Earth, pp. 1623-1625

Kathleen G. Holland; Thomas J. Ahrens

The Seismic 8° Discontinuity and Partial Melting in Continental Mantle, pp. 1626-1629

H. Thybo; E. Perchuć

Paleomagnetic Evidence of a Low-Temperature Origin of Carbonate in the Martian Meteorite ALH84001, pp. 1629-1633

Joseph L. Kirschvink; Altair T. Maine; Hojatollah Vali

Low-Temperature Carbonate Concretions in the Martian Meteorite ALH84001: Evidence from Stable Isotopes and Mineralogy, pp. 1633-1638

John W. Valley; John M. Eiler; Colin M. Graham; Everett K. Gibson; Christopher S. Romanek; Edward M. Stolper

Vacuum Squeezing of Solids: Macroscopic Quantum States Driven by Light Pulses, pp. 1638-1640

G. A. Garrett; A. G. Rojo; A. K. Sood; J. F. Whitaker; R. Merlin

Tyrosine Phosphorylation of Transmembrane Ligands for Eph Receptors, pp. 1640-1643

Katja Brückner; Elena B. Pasquale; Rüdiger Klein

Spatially and Functionally Distinct Ca ²⁺ Stores in Sarcoplasmic and Endoplasmic Reticulum, pp. 1643-1648

Vera A. Golovina; Mordecai P. Blaustein

Mitogenic Signaling Mediated by Oxidants in Ras-Transformed Fibroblasts, pp. 1649-1652

Kaikobad Irani; Yong Xia; Jay L. Zweier; Steven J. Sollott; Channing J. Der; Eric R. Fearon; Maitrayee Sundaresan; Toren Finkel; Pascal J. Goldschmidt-Clermont

A Member of the Frizzled Protein Family Mediating Axis Induction by Wnt-5A, pp. 1652-1654

Xi He; Jean-Pierre Saint-Jeannet; Yanshu Wang; Jeremy Nathans; Igor Dawid; Harold Varmus

RNA Polymerase β′ Subunit: A Target of DNA Binding-Independent Activation, pp. 1655-1657

Alita Miller; Douglas Wood; Richard H. Ebright; Lucia B. Rothman-Denes

Unusual Oligomerization Required for Activity of NtrC, a Bacterial Enhancer-Binding Protein, pp. 1658-1661

Claire Wyman; Irene Rombel; Anne K. North; Carlos Bustamante; Sydney Kustu

Technical Comments

Stress and Glucocorticoid, pp. 1662-1663

Rachel Yehuda; Robert M. Sapolsky

Back Matter (41 pp.)

Previous Issue: New Series, Vol. 275, No. 5305, Mar. 7, 1997
Next Issue: New Series, Vol. 275, No. 5307, Mar. 21, 1997

Science, New Series, Vol. 275, No. 5307, Mar. 21, 1997

Previous Issue: New Series, Vol. 275, No. 5306, Mar. 14, 1997
Next Issue: New Series, Vol. 275, No. 5308, Mar. 28, 1997

Front Matter (20 pp.)
Editorial: Budgetary Foul Weather, p. 1719

David Atlas

Letters

Breast-Screening Brawl, pp. 1721-1724

James Sowinski; Helen Hansma; Daniel B. Kopans

Presidential Chairs in Chile, pp. 1724-1725

Pedro Labarca; Ramon Latorre; Alan Neely

Butterfly Identification, p. 1725

John A. Hyatt

Bullish about the Bear?, p. 1725

Bernard Brown

ScienceScope, p. 1727

Jocelyn Kaiser

News and Comment

Who Rules French Science?, pp. 1728-1729

Michael Balter

Researchers Vie for Role in Nuclear-Waste Cleanup, p. 1730

Andrew Lawler

A New Voice for European Scientists?, p. 1731

Alexander Hellemans

Feathered Dino Wins a Few Friends, p. 1731

Ann Gibbons

U.S. Antarctic Panel Makes Case for Replacement Station, p. 1732

Jeffrey Mervis

Mammalian Cloning Debate Heats Up, p. 1733

Eliot Marshall

ATCC Plant-Virus Collection Threatened, pp. 1733-1734

Anne Simon Moffat

Staying Off Beaten Track Puts LED Researcher a Step Ahead, pp. 1734-1735

Dennis Normile

Research News

To Catch a WIMP, pp. 1736-1738

Andrew Watson

Gamma-Ray Source in Distant Universe?, p. 1738

Govert Schilling; Susan Biggin

First Genes Isolated from The Deadly 1918 Flu Virus, p. 1739

Elizabeth Pennisi

Microbiologists Explore Life's Rich, Hidden Kingdoms, pp. 1740-1742

Robert F. Service

Subatomic Spin Still in Crisis, p. 1742

Andrew Watson

Thanks to a Parasite, Asexual Reproduction Catches On, p. 1743

Martin Enserink

Random Samples, p. 1745

Constance Holden

Book Reviews

Looking for Company, pp. 1748-1749

The Biological Universe. The Twentieth-Century Extraterrestrial Life Debate and the Limits of Science.

Steven J. Dick

Review author[s]: Joseph N. Tatarewicz

Interacting Electrons, p. 1749

Electron Correlation in Molecules and Condensed Phases.

N. H. March

Review author[s]: Sankar Das Sarma

Perspectives

Protein Prenylation, et cetera: Signal Transduction in Two Dimensions, pp. 1750-1751

Michael H. Gelb

Nematic Emulsions, pp. 1751-1752

J. F. Joanny

β-Catenin as Oncogene: The Smoking Gun, pp. 1752-1753

Mark Peifer

Atomic Parity Violation and the Nuclear Anapole Moment, pp. 1753-1754

W. C. Haxton

Policy Forum

Genetic Information and the Workplace: Legislative Approaches and Policy Challenges, pp. 1755-1757

Karen Rothenberg; Barbara Fuller; Mark Rothstein; Troy Duster; Mary Jo Ellis Kahn; Rita Cunningham; Beth Fine; Kathy Hudson; Mary-Claire King; Patricia Murphy; Gary Swergold; Francis Collins

Research Article

Measurement of Parity Nonconservation and an Anapole Moment in Cesium, pp. 1759-1763

C. S. Wood; S. C. Bennett; D. Cho; B. P. Masterson; J. L. Roberts; C. E. Tanner; C. E. Wieman

Reports

Giant Friedel Oscillations on the Beryllium(0001) Surface, pp. 1764-1767

P. T. Sprunger; L. Petersen; E. W. Plummer; E. Lægsgaard; F. Besenbacher

Probing the Local Effects of Magnetic Impurities on Superconductivity, pp. 1767-1770

Ali Yazdani; B. A. Jones; C. P. Lutz; M. F. Crommie; D. M. Eigler

Novel Colloidal Interactions in Anisotropic Fluids, pp. 1770-1773

Philippe Poulin; Holger Stark; T. C. Lubensky; D. A. Weitz

Direct Radiometric Observations of the Water Vapor Greenhouse Effect Over the Equatorial Pacific Ocean, pp. 1773-1776

Francisco P. J. Valero; William D. Collins; Peter Pilewskie; Anthony Bucholtz; Piotr J. Flatau

Direct Radiative Forcing by Smoke from Biomass Burning, pp. 1776-1778

Peter V. Hobbs; Jeffrey S. Reid; Robert A. Kotchenruther; Ronald J. Ferek; Ray Weiss

A High-Temperature Electrical Conduction Mechanism in the Lower Mantle Phase (Mg,Fe) _1-x O, pp. 1779-1781

David P. Dobson; Nicola C. Richmond; John P. Brodholt

SBF Cell Cycle Regulator as a Target of the Yeast PKC-MAP Kinase Pathway, pp. 1781-1784

Kevin Madden; Yi-Jun Sheu; Kristin Baetz; Brenda Andrews; Michael Snyder

Constitutive Transcriptional Activation by a b-Catenin-Tcf Complex in APC-/- Colon Carcinoma, pp. 1784-1787

Vladimir Korinek; Nick Barker; Patrice J. Morin; Dick van Wichen; Roel de Weger; Kenneth W. Kinzler; Bert Vogelstein; Hans Clevers

Activation of β-Catenin-Tcf Signaling in Colon Cancer by Mutations in β-Catenin or APC, pp. 1787-1790

Patrice J. Morin; Andrew B. Sparks; Vladimir Korinek; Nick Barker; Hans Clevers; Bert Vogelstein; Kenneth W. Kinzler

Stabilization of β-Catenin by Genetic Defects in Melanoma Cell Lines, pp. 1790-1792

Bonnee Rubinfeld; Paul Robbins; Mona El-Gamil; Iris Albert; Emilio Porfiri; Paul Polakis

Initial Genetic Characterization of the 1918 "Spanish" Influenza Virus, pp. 1793-1796

Jeffery K. Taubenberger; Ann H. Reid; Amy E. Krafft; Karen E. Bijwaard; Thomas G. Fanning

Modulation of Ras and a-Factor Function by Carboxyl-Terminal Proteolysis, pp. 1796-1800

Victor L. Boyartchuk; Matthew N. Ashby; Jasper Rine

Crystal Structure of Protein Farnesyltransferase at 2.25 Angstrom Resolution, pp. 1800-1804

Hee-Won Park; Sobha R. Boduluri; John F. Moomaw; Patrick J. Casey; Lorena S. Beese

Reproducibility and Variability in Neural Spike Trains, pp. 1805-1808

Rob R. de Ruyter van Steveninck; Geoffrey D. Lewen; Steven P. Strong; Roland Koberle; William Bialek

Back Matter (36 pp.)

Previous Issue: New Series, Vol. 275, No. 5306, Mar. 14, 1997
Next Issue: New Series, Vol. 275, No. 5308, Mar. 28, 1997

Science, New Series, Vol. 275, No. 5308, Mar. 28, 1997

Previous Issue: New Series, Vol. 275, No. 5307, Mar. 21, 1997
Next Issue: New Series, Vol. 276, No. 5309, Apr. 4, 1997

Front Matter (40 pp.)
Editorial: Knowledge: A Mountain or a Stream?, p. 1859

Don E. Detmer

Letters

HAARP Facility in Alaska, p. 1861

William E. Gordon

Sequence Patents, pp. 1861-1862

Susan E. Cullen

Bioinformatics: Mathematical Challenges and Ecology, pp. 1862-1863

James B. Grace

Surprise Authorship, p. 1863

Gerald N. Levy

Medical School Funding, pp. 1863-1864

David Korn; Kenneth I. Shine

International Support for Natural History Museums, pp. 1864-1865

Arie Budiman; John Burley; John Peake; Judy West

Corrections and Clarifications: Obesity Sheds Its Secrets, p. 1865
Corrections and Clarification: Plagiarism in China, p. 1865
ScienceScope, p. 1867

Jocelyn Kaiser

News and Comment

Is 'Good Wood' Bad for Forests?, pp. 1868-1869

Michael McRae

Report Slams Japanese Program, p. 1870

Dennis Normile

Climate Warms a Bit for NASA Mission, p. 1870

Andrew Lawler

Reform Begins with New CNR Head, p. 1871

Susan Biggin

France Distributes Iodine Near Reactors, pp. 1871-1872

Michael Balter

Tax Law Halts Western Grant Payments, p. 1872

Richard Stone

Plasma Physics Gets a Home, p. 1873

James Glanz

Canada Reaches Out to NASA, pp. 1873-1874

Wayne Kondro

Baltimore's Newest Tourist Attraction-Scientists, pp. 1874-1875

Steve Olson

Research News

New Tumor Suppressor Found-Twice, pp. 1876-1878

Elizabeth Pennisi

Shape-Changing Crystals Get Shiftier, p. 1878

Robert F. Service

Synergy Paper Questioned at Toxicology Meeting, p. 1879

Jocelyn Kaiser

Predator-Free Guppies Take an Evolutionary Leap Forward, p. 1880

Virginia Morell

'Real-Time' Oceanography Adapts to Sea Changes, pp. 1881-1882

Steve Nadis; Erik Stokstad

Random Samples, pp. 1883+1885

Constance Holden

Book Reviews

A Theorist Ignored, pp. 1893-1894

Infinite Potential. The Life and Times of David Bohm.

F. David Peat

Review author[s]: Sheldon Goldstein

Geomagnetism, p. 1894

Magnetic Stratigraphy.

Neil D. Opdyke; James E. T. Channell

Review author[s]: Scott W. Bogue

Perspectives

Stardust Memories, pp. 1895-1896

Dale P. Cruikshank

Single-Molecule Transistors, pp. 1896-1897

Leo Kouwenhoven

A Gut Reaction: Lymphoepithelial Communication in the Intestine, pp. 1897-1898

Fergus Shanahan

PH Domains-A Universal Membrane Adapter, p. 1899

Brian A. Hemmings

Reports

The Activity and Size of the Nucleus of Comet Hale-Bopp (C/1995 01), pp. 1900-1904

H. A. Weaver; P. D. Feldman; M. F. A'Hearn; C. Arpigny; J. C. Brandt; M. C. Festou; M. Haken; J. B. McPhate; S. A. Stern; G. P. Tozzi

The Spectrum of Comet Hale-Bopp (C/1995 01) Observed with the Infrared Space Observatory at 2.9 Astronomical Units from the Sun, pp. 1904-1907

Jacques Crovisier; Kieron Leech; Dominique Bockelée-Morvan; Timothy Y. Brooke; Martha S. Hanner; Bruno Altieri; H. Uwe Keller; Emmanuel Lellouch

Ground-Based Thermal Infrared Observations of Comet Hale-Bopp (C/1995 01) during 1996, pp. 1907-1909

T. L. Hayward; M. S. Hanner

Optical Observations of Comet Hale-Bopp (C/1995 01) at Large Heliocentric Distances Before Perihelion, pp. 1909-1912

Heike Rauer; Claude Arpigny; Hermann Boehnhardt; François Colas; Jacques Crovisier; Laurent Jorda; Michael Küppers; Jean Manfroid; Kai Rembor; Nicolas Thomas

Photometric Behavior of Comet Hale-Bopp (C/1995 01) Before Perihelion, pp. 1913-1915

David G. Schleicher; Susan M. Lederer; Robert L. Millis; Tony L. Farnham

Evolution of the Outgassing of Comet Hale-Bopp (C/1995 01) from Radio Observations, pp. 1915-1918

Nicolas Biver; Dominique Bockelée-Morvan; Pierre Colom; Jacques Crovisier; John K. Davies; William R. F. Dent; Didier Despois; Eric Gérard; Emmanuel Lellouch; Heike Rauer; Raphael Moreno; Gabriel Paubert

The Spectrum and Spatial Distribution of Cyanogen in Comet Hale-Bopp (C/1995 01) at Large Heliocentric Distance, pp. 1918-1920

R. Mark Wagner; David G. Schleicher

Diffusing-Wave Spectroscopy of Dynamics in a Three-Dimensional Granular Flow, pp. 1920-1922

Narayanana Menon; Douglas J. Durian

Single-Electron Transport in Ropes of Carbon Nanotubes, pp. 1922-1925

Marc Bockrath; David H. Cobden; Paul L. McEuen; Nasreen G. Chopra; A. Zettl; Andreas Thess; R. E. Smalley

Origin of the High-Frequency Doublet in the Vibrational Spectrum of Vitreous SiO₂, pp. 1925-1927

Johannes Sarnthein; Alfredo Pasquarello; Roberto Car

Signaling by Phosphoinositide-3,4,5-trisphosphate Through Proteins Containing Pleckstrin and Sec7 Homology Domains, pp. 1927-1930

Jes K. Klarlund; Adilson Guilherme; John J. Holik; Joseph V. Virbasius; Anil Chawla; Michael P. Czech

Nuclear Export of NF-ATc Enhanced by Glycogen Synthase Kinase-3, pp. 1930-1933

Chan R. Beals; Colleen M. Sheridan; Christoph W. Turck; Phyllis Gardner; Gerald R. Crabtree

Evaluation of the Rate of Evolution in Natural Populations of Guppies (Poecilia reticulata), pp. 1934-1937

David N. Reznick; Frank H. Shaw; F. Helen Rodd; Ruth G. Shaw

Local Hormone Networks and Intestinal T Cell Homeostasis, pp. 1937-1939

Jin Wang; Michael Whetsell; John R. Klein

Attentional Activation of the Cerebellum Independent of Motor Involvement, pp. 1940-1943

Greg Allen; Richard B. Buxton; Eric C. Wong; Eric Courchesne

PTEN, a Putative Protein Tyrosine Phosphatase Gene Mutated in Human Brain, Breast, and Prostate Cancer, pp. 1943-1947

Jing Li; Clifford Yen; Danny Liaw; Katrina Podsypanina; Shikha Bose; Steven I. Wang; Janusz Puc; Christa Miliaresis; Linda Rodgers; Richard McCombie; Sandra H. Bigner; Beppino C. Giovanella; Michael Ittmann; Ben Tycko; Hanina Hibshoosh; Michael H. Wigler; Ramon Parsons

Technical Comments

Dating a Paleoindian Site in the Amazon in Comparison with Clovis Culture, pp. 1948-1952

C. Vance Haynes, Jr.; Richard E. Reanier; William P. Barse; A. C. Roosevelt; Marconales Lima da Costa; Linda J. Brown; John E. Douglas; Matthew O'Donnell; Ellen Quinn; Judy Kemp; Christiane Lopes Machado; Maura Imazio da Silveira; James Feathers; Andrew Henderson

AAAS News & Notes, p. 1963

S. L. Byrand

Back Matter (37 pp.)

Previous Issue: New Series, Vol. 275, No. 5307, Mar. 21, 1997
Next Issue: New Series, Vol. 276, No. 5309, Apr. 4, 1997

Science, New Series, Vol. 276, No. 5309, Apr. 4, 1997

Previous Issue: New Series, Vol. 275, No. 5308, Mar. 28, 1997
Next Issue: New Series, Vol. 276, No. 5310, Apr. 11, 1997

Front Matter (27 pp.)
Editorial: New Tissues from Old, p. 15

David L. Stocum

Letters

Human Subject Research, p. 17

Dale G. Vander Hamm

Atopic Disease and Immunologic Response, pp. 17-19

David Duffy; Gene M. Shearer; Claire Chougnet; Minetta S. Shearer; J. M. Hopkin

Animal Alternatives in Germany, p. 19

Horst Spielmann

Rabbit Control in New Zealand, p. 20

Trevor H. Duston; Yvonne van Roy

Curing Rat Glioblastoma: Immunotherapy or Graft Rejection?, pp. 20-21

Andreas S. Beutler; Michaela S. Banck; Adriano Aguzzi; Dirk Wedekind; Hans J. Hedrich

Corrections and Clarifications: Crystal Structure of Protein Farnesyltransferase at 2.25 Angstrom Resolution, p. 21
Corrections and Clarifications: Kinetic Measurement of the Step Size of DNA Unwinding by Escherichia coli UvrD Helicase, p. 21
Corrections and Clarifications: Evaluating the Evidence for Past Life on Mars, p. 21
Corrections and Clarifications: Diversity and Pattern in the Developing Spinal Cord, p. 21
Corrections and Clarifications: Regulation of T Cell Receptor Signaling by Tryosine Phosphatase SYP Association with CTLA-4, p. 21
ScienceScope, p. 23

Jocelyn Kaiser

News and Comment

Tenure Turmoil Sparks Reforms, pp. 24-26

Constance Holden

NSF Adopts New Guidelines, p. 26

Jeffrey Mervis

NCI Reverses One Expert Panel, Sides with Another, pp. 27-28

Gary Taubes

Test Reactor Touted for Bomb Fuel, p. 28

Andrew Lawler

Illinois, San Diego Centers Win Renewed NSF Funding, p. 29

Jeffrey Mervis

Research News

Martian 'Microbes' Cover Their Tracks, pp. 30-31

Richard A. Kerr

Tracing the Identity of the First Toolmakers, p. 32

Ann Gibbons

Getting a Handle on Air Pollution's Tiny Killers, p. 33

Jocelyn Kaiser

Fractal Geometry Gets the Measure of Life's Scales, p. 34

Nigel Williams

Backup Gene May Help Muscles Help Themselves, p. 35

Wade Roush

Ancient Galaxy Walls Go Up; Will Theories Tumble Down?, p. 36

Tim Appenzeller

Supernovae Offer a First Glimpse of the Universe's Fate, pp. 37-38

Donald Goldsmith

Counterfeit Chromosomes for Humans, pp. 38-39

Wade Roush

New Proof Hides Cosmic Embarrassment, p. 39

James Glanz

Random Samples, p. 41

Constance Holden

Book Reviews

Evolutionary Transformations, p. 46

Early Vertebrates.

Philippe Janvier

Review author[s]: George V. Lauder

Trunk Lines, pp. 46-47

The Proboscidea. Evolution and Palaeoecology of Elephants and Their Relatives.

Jeheskel Shoshani; Pascal Tassy

Review author[s]: Malcolm C. McKenna

Perspectives

Seeing a Mountain in a Grain of Garnet, pp. 48-49

J. G. Liou; S. Maruyama; W. G. Ernst

The Cis-Trans Paradox of Integrase, pp. 49-51

Makkuni Jayaram

Coreceptors: Implications for HIV Pathogenesis and Therapy, pp. 51-52

John P. Moore

Policy Forums

Consumption: Challenge to Sustainable Development..., pp. 53-55

Norman Myers; Jeffrey R. Vincent; Theodore Panayotou

... or Distraction?, pp. 53+55-57

Jeffrey R. Vincent; Theodore Panayotou; Norman Myers

[Introduction], p. 59

Pamela J. Hines

Frontiers in Medicine: Regeneration

Liver Regeneration, pp. 60-66

George K. Michalopoulos; Marie C. DeFrances

Stem Cells in the Central Nervous System, pp. 66-71

Ronald McKay

Marrow Stromal Cells as Stem Cells for Nonhematopoietic Tissues, pp. 71-74

Darwin J. Prockop

Wound Healing-Aiming for Perfect Skin Regeneration, pp. 75-81

Paul Martin

Amphibian Limb Regeneration: Rebuilding a Complex Structure, pp. 81-87

Jeremy P. Brockes

Reports

Energy Conditions in the Epoch of Galaxy Formation, pp. 88-90

Matt Visser

An Occurrence of Metastable Cristobalite in High-Pressure Garnet Granulite, pp. 91-93

Robert S. Darling; I-Ming Chou; Robert J. Bodnar

Spatial Variability of Turbulent Mixing in the Abyssal Ocean, pp. 93-96

K. L. Polzin; J. M. Toole; J. R. Ledwell; R. W. Schmitt

The Atmospheric Aerosol-Forming Potential of Whole Gasoline Vapor, pp. 96-99

J. R. Odum; T. P. W. Jungkamp; R. J. Griffin; R. C. Flagan; J. H. Seinfeld

Metathesis of Alkanes Catalyzed by Silica-Supported Transition Metal Hydrides, pp. 99-102

Véronique Vidal; Albert Théolier; Jean Thivolle-Cazat; Jean-Marie Basset

Thermal Structure of Jupiter's Upper Atmosphere Derived from the Galileo Probe, pp. 102-104

Alvin Seiff; Donn B. Kirk; Tony C. D. Knight; Leslie A. Young; Frank S. Milos; Ethiraj Venkatapathy; John D. Mihalov; Robert C. Blanchard; Richard E. Young; Gerald Schubert

Equatorial X-ray Emissions: Implications for Jupiter's High Exospheric Temperatures, pp. 104-108

J. H. Waite Jr.; G. R. Gladstone; W. S. Lewis; P. Drossart; T. E. Cravens; A. N. Maurellis; B. H. Mauk; S. Miller

Gravity Waves in Jupiter's Thermosphere, pp. 108-111

Leslie A. Young; Roger V. Yelle; Richard Young; Alvin Seiff; Donn B. Kirk

The Receptor for the Cytotoxic Ligand TRAIL, pp. 111-113

Guohua Pan; Karen O'Rourke; Arul M. Chinnaiyan; Reiner Gentz; Reinhard Ebner; Jian Ni; Vishva M. Dixit

Coordination of Drosophila Metamorphosis by Two Ecdysone-Induced Nuclear Receptors, pp. 114-117

Kevin P. White; Patrick Hurban; Toshiki Watanabe; David S. Hogness

Bni1p, a Yeast Formin Linking Cdc42p and the Actin Cytoskeleton During Polarized Morphogenesis, pp. 118-122

Marie Evangelista; Kelly Blundell; Mark S. Longtine; Clinton J. Chow; Neil Adames; John R. Pringle; Matthias Peter; Charles Boone

A General Model for the Origin of Allometric Scaling Laws in Biology, pp. 122-126

Geoffrey B. West; James H. Brown; Brian J. Enquist

Flexibility in DNA Recombination: Structure of the Lambda Integrase Catalytic Core, pp. 126-131

Hyock Joo Kwon; Radhakrishna Tirumalai; Arthur Landy; Tom Ellenberger

A Transmembrane Helix Dimer: Structure and Implications, pp. 131-133

Kevin R. MacKenzie; James H. Prestegard; Donald M. Engelman

Science's Next Wave: Quality Control: A Rapidly Expanding Career Niche, p. 139

Nicole Ruediger

Back Matter (25 pp.)

Previous Issue: New Series, Vol. 275, No. 5308, Mar. 28, 1997
Next Issue: New Series, Vol. 276, No. 5310, Apr. 11, 1997

Science, New Series, Vol. 276, No. 5310, Apr. 11, 1997

Previous Issue: New Series, Vol. 276, No. 5309, Apr. 4, 1997
Next Issue: New Series, Vol. 276, No. 5311, Apr. 18, 1997

Front Matter (28 pp.)
Editorial: Ratify the Chemical Weapons Convention, p. 179

Floyd E. Bloom

Letters

Spin Studies, p. 181

Burton Richter

Mergers of Botany and Biology Departments, pp. 181-182

Loren H. Rieseberg; Gerald J. Gastony; Jeffrey D. Palmer; Julian Adams; Don Cipollini

Commitment to Graduate Students?, p. 183

Roger Floyd

Research and Regulation at FDA, pp. 183-184

Ira Berkower

German Academe, p. 184

Stuart Brody

Transcription Factors, Oncogenes, and Apoptosis, p. 185

David W. White; Thomas D. Gilmore

"Note Added in Proof", p. 185

Kozo Kaibuchi

Corrections and Clarifications: Panel Approves Gene Trial for 'Normals', p. 185
Corrections and Clarifications: RAC Regulation of Actin Polymerization and Proliferation by a Pathway Distinct from Jun Kinase, p. 185
Corrections and Clarifications: The Genome Maps 1996, p. 185
ScienceScope, p. 187

Jocelyn Kaiser

News and Comment

Cracks in Europe's Framework?, pp. 188-190

Nigel Williams; Alexander Hellemans

Program Funding, Italian Style, p. 191

Susan Biggin

Budget Threats Force Policy Reversal, pp. 191-192

Constance Holden

U.S. Laureates Stand Out in Paying Tax, p. 192

Erik Stokstad

Gallium Sell-Off Threatens Detector, p. 193

Andrey Allakhverdov; Vladimir Pokrovsky

Resurrected Cluster Gets the Green Light, pp. 193-194

Alexander Hellemans

Slower Road for Clean-Car Program, p. 194

Eliot Marshall

Funding Council Hopes Plan Offers Port in Political Storm, p. 195

Wayne Kondro

Research News

What Makes Brain Neurons Run?, pp. 196-198

Marcia Barinaga

A Fine-Grained Look at Forces in Sand, p. 199

James Glanz

Fermilab Group Tries Plain English, pp. 199-200

James Glanz

In Search of the Cleansing Axion, p. 200

Andrew Watson

New Clues for Two Toxicological Mysteries, p. 201

Jocelyn Kaiser

Key Protein Found for Brain's Dopamine-Producing Neurons, p. 202

Elizabeth Pennisi

Random Samples, pp. 203+205

Constance Holden

Book Reviews

Mating and Parenting, p. 216

Partnerships in Birds. The Study of Monogamy.

Jeffrey M. Black

Review author[s]: J. David Ligon

Sciences of Matter, pp. 216-217

Before Big Science. The Pursuit of Modern Chemistry and Physics, 1800-1940.

Mary Jo Nye

Review author[s]: Seymour Mauskopf

Books Received, p. 217

Perspectives

Biology Recapitulates Phylogeny, pp. 218-219

David M. Hillis

Journey Across the Osteoclast, pp. 219-220

Keith Mostov; Zena Werb

A Quick Look at Hydrogen Bonds, pp. 221-222

Abderrazzak Douhal

Where Smokers Rule, p. 222

Robert H. Crabtree

Policy Forum

Copyright: Evolution, Not Revolution, pp. 223-225

Jukka Liedes

Phylogenetic Methods Come of Age: Testing Hypotheses in an Evolutionary Context, pp. 227-232

John P. Huelsenbeck; Bruce Rannala

Reports

Self-Assembly of Mesoscale Objects into Ordered Two-Dimensional Arrays, pp. 233-235

Ned Bowden; Andreas Terfort; Jeff Carbeck; George M. Whitesides

Permo-Triassic Boundary Superanoxia and Stratified Superocean: Records from Lost Deep Sea, pp. 235-238

Yukio Isozaki

Ferroelectric Field Effect Transistor Based on Epitaxial Perovskite Heterostructures, pp. 238-240

S. Mathews; R. Ramesh; T. Venkatesan; J. Benedetto

Melting Temperature and Partial Melt Chemistry of H₂O-Saturated Mantle Peridotite to 11 Gigapascals, pp. 240-243

Tatsuhiko Kawamoto; John R. Holloway

Death and Transfiguration of a Triple Junction in the South Atlantic, pp. 243-245

M. Ligi; E. Bonatti; G. Bortoluzzi; G. Carrara; P. Fabretti; D. Penitenti; D. Gilod; A. A. Peyve; S. Skolotnev; N. Turko

Activated Acetic Acid by Carbon Fixation on (Fe,Ni)S Under Primordial Conditions, pp. 245-247

Claudia Huber; Günter Wächtershäuser

Dopamine Neuron Agenesis in Nurr1-Deficient Mice, pp. 248-250

Rolf H. Zetterström; Ludmila Solomin; Lottie Jansson; Barry J. Hoffer; Lars Olson; Thomas Perlmann

Regulation of Lipid A Modifications by Salmonella typhimurium Virulence Genes phoP-phoQ, pp. 250-253

Lin Guo; Kheng B. Lim; John S. Gunn; Brian Bainbridge; Richard P. Darveau; Murray Hackett; Samuel I. Miller

Insects on Plants: Macroevolutionary Chemical Trends in Host Use, pp. 253-256

Judith X. Becerra

Phylogenetic Analysis of Glycolytic Enzyme Expression, pp. 256-259

V. A. Pierce; D. L. Crawford

Synaptic Vesicle Endocytosis Impaired by Disruption of Dynamin-SH3 Domain Interactions, pp. 259-263

Oleg Shupliakov; Peter Löw; Detlev Grabs; Helge Gad; Hong Chen; Carol David; Kohji Takei; Pietro de Camilli; Lennart Brodin

Separate Neural Bases of Two Fundamental Memory Processes in the Human Medial Temporal Lobe, pp. 264-266

John D. E. Gabrieli; James B. Brewer; John E. Desmond; Gary H. Glover

Trafficking of Matrix Collagens Through Bone-Resorbing Osteoclasts, pp. 266-269

Stephen A. Nesbitt; Michael A. Horton

Removal of Osteoclast Bone Resorption Products by Transcytosis, pp. 270-273

Jari Salo; Petri Lehenkari; Mika Mulari; Kalervo Metsikkö; H. Kalervo Väänänen

Differential Regulation of HIV-1 Fusion Cofactor Expression by CD28 Costimulation of CD4⁺ T Cells, pp. 273-276

Richard G. Carroll; James L. Riley; Bruce L. Levine; Yu Feng; Sumesh Kaushal; David W. Ritchey; Wendy Bernstein; Owen S. Weislow; Charles R. Brown; Edward A. Berger; Carl H. June; Daniel C. St. Louis

Potent Inhibition of HIV-1 Infectivity in Macrophages and Lymphocytes by a Novel CCR5 Antagonist, pp. 276-279

Graham Simmons; Paul R. Clapham; Laurent Picard; Robin E. Offord; Mette M. Rosenkilde; Thue W. Schwartz; Raphaële Buser; Timothy N. C. Wells; Amanda E. I. Proudfoot

Back Matter (41 pp.)

Previous Issue: New Series, Vol. 276, No. 5309, Apr. 4, 1997
Next Issue: New Series, Vol. 276, No. 5311, Apr. 18, 1997

Science, New Series, Vol. 276, No. 5311, Apr. 18, 1997

Previous Issue: New Series, Vol. 276, No. 5310, Apr. 11, 1997
Next Issue: New Series, Vol. 276, No. 5312, Apr. 25, 1997

Front Matter (25 pp.)
Editorial: Ethics: Sending Out the Message, p. 335

C. K. Gunsalus

Letters

Standards for Advocacy Research, p. 337

John A. Chamberlain

SV40 and Human Cancer, pp. 337-338

Leonard Hayflick

On Punctuated Equilibria, pp. 338-341

Niles Eldredge; Stephen Jay Gould; Jerry A. Coyne; Brian Charlesworth

Molecular Chirality Control and Amplification by CPL: Correction, p. 341

Nina P. M. Huck; Wolter F. Jager; Ben De Lange; Ben L. Feringa

Corrections and Clarifications: Court Invalidates Expert Panel Report, p. 341
Corrections and Clarifications: Receptor and βγ Binding Sites in the α Subunit of the Retinal G Protein Transducin, p. 341
ScienceScope, p. 343

Jocelyn Kaiser

News and Comment

Lobbyists Seek to Reslice NIH's Pie, pp. 344-346

Eliot Marshall

AIDS: A Justifiable Share, p. 345

Jon Cohen

Follow Up on Findings, Panel Tells NASA, p. 346

Ann Finkbeiner

Panel Would Block LHC, Internet Funds, p. 347

Andrew Lawler

Science May Gain in Station Melee, pp. 347-348

Andrew Lawler

Australian Geologist Battles 'Ark' Claim, p. 348

Elizabeth Finkel

Tax Fears Squeeze Out Spending Pledges, p. 349

Nigel Williams

New Study Says Low-Fat Diet Can Lower Blood Pressure, p. 350

Gary Taubes

Research News

Bringing the Stars Down to Earth, pp. 351-353

James Glanz

Taking the Measure of Life in the Ice, pp. 353-354

Kathryn S. Brown

Researchers Make Slick and Sticky Films, p. 354

Robert F. Service

An Ocean Emerges on Europa, p. 355

Richard A. Kerr

Miocene Primates Go Ape, pp. 355-356

Ann Gibbons; Elizabeth Culotta

Growing Crystals with a Twist, p. 356

Robert F. Service

Herbert Benson: Mind-Body Maverick Pushes the Envelope, pp. 357-359

Wade Roush

Random Samples, p. 361

Constance Holden

Book Reviews

Mind and Body, pp. 369-370

Timeless Healing. The Power and Biology of Belief.

Herbert Benson; Marg Stark

Review author[s]: Irwin Tessman; Jack Tessman

Evolutionist's Worldview, p. 370

Privileged Hands. A Scientific Life.

Geerat Vermeij

Review author[s]: Andrew H. Knoll

Perspectives

The Ongoing Eruption in Montserrat, pp. 371-372

Metastable Dense Semiconductor Phases, pp. 373-374

Louis Brus

Antigen Presentation by Memory B Cells: The Sting is in the Tail, pp. 374-375

David Tarlinton

Atomistic Processes in the Early Stages of Thin-Film Growth, pp. 377-383

Zhenyu Zhang; Max G. Lagally

Research Article

Supramolecular Materials: Self-Organized Nanostructures, pp. 384-389

S. I. Stupp; V. LeBonheur; K. Walker; L. S. Li; K. E. Huggins; M. Keser; A. Amstutz

Reports

Organic Synthesis in Experimental Impact Shocks, pp. 390-392

Christopher P. McKay; William J. Borucki

Giant Piezoelectric Effect in Strontium Titanate at Cryogenic Temperatures, pp. 392-394

Daniel E. Grupp; Allen M. Goldman

Primary Production in Antarctic Sea Ice, pp. 394-397

Kevin R. Arrigo; Denise L. Worthen; Michael P. Lizotte; Paul Dixon; Gerhard Dieckmann

Size Dependence of Structural Metastability in Semiconductor Nanocrystals, pp. 398-401

Chia-Chun Chen; A. B. Herhold; C. S. Johnson; A. P. Alivisatos

A Hominoid Genus from the Early Miocene of Uganda, pp. 401-404

Daniel L. Gebo; Laura MacLatchy; Robert Kityo; Alan Deino; John Kingston; David Pilbeam

Positional Cloning of the Gene for Multiple Endocrine Neoplasia-Type 1, pp. 404-407

Settara C. Chandrasekharappa; Siradanahalli C. Guru; Pachiappan Manickam; Shodimu-Emmanuel Olufemi; Francis S. Collins; Michael R. Emmert-Buck; Larisa V. Debelenko; Zhengping Zhuang; Irina A. Lubensky; Lance A. Liotta; Judy S. Crabtree; Yingping Wang; Bruce A. Roe; Jane Weisemann; Mark S. Boguski; Sunita K. Agarwal; Mary Beth Kester; Young S. Kim; Christina Heppner; Qihan Dong; Allen M. Spiegel; A. Lee Burns; Stephen J. Marx

Endosomal Targeting by the Cytoplasmic Tail of Membrane Immunoglobulin, pp. 407-409

Peter Weiser; Ralph Müller; Uschi Braun; Michael Reth

Effect of Transmembrane and Cytoplasmic Domains of IgE on the IgE Response, pp. 409-411

Gernot Achatz; Lars Nitschke; Marinus C. Lamers

The Roles of γ1 Heavy Chain Membrane Expression and Cytoplasmic Tail in IgG1 Responses, pp. 412-415

Tsuneyasu Kaisho; Frieder Schwenk; Klaus Rajewsky

Solution Structure of 3-Oxo-Δ⁵-Steroid Isomerase, pp. 415-418

Zheng Rong Wu; Soheila Ebrahimian; Michael E. Zawrotny; Lora D. Thornburg; Gabriela C. Perez-Alvarado; Paul Brothers; Ralph M. Pollack; Michael F. Summers

The Product of the Proto-Oncogene c-cbl: A Negative Regulator of the Syk Tyrosine Kinase, pp. 418-420

Yasuo Ota; Lawrence E. Samelson

Structural Basis for Ligand-Regulated Oligomerization of AraC, pp. 421-425

Stephen M. Soisson; Beth MacDougall-Shackleton; Robert Schleif; Cynthia Wolberger

Quantitative Trait Loci for Refractoriness of Anopheles gambiae to Plasmodium cynomolgi B, pp. 425-428

Liangbiao Zheng; Anton J. Cornel; Rui Wang; Holger Erfle; Hartmut Voss; Wilhelm Ansorge; Fotis C. Kafatos; Frank H. Collins

Prevention of Lysosomal Storage in Tay-Sachs Mice Treated with N-Butyldeoxynojirimycin, pp. 428-431

Frances M. Platt; Gabrielle R. Neises; Gabriele Reinkensmeier; Mandy J. Townsend; V. Hugh Perry; Richard L. Proia; Bryan Winchester; Raymond A. Dwek; Terry D. Butters

Crystal Structure of the Nucleotide Exchange Factor GrpE Bound to the ATPase Domain of the Molecular Chaperone DnaK, pp. 431-435

Celia J. Harrison; Manajit Hayer-Hartl; Maurizio Di Liberto; F.-Ulrich Hartl; John Kuriyan

Back Matter (61 pp.)

Previous Issue: New Series, Vol. 276, No. 5310, Apr. 11, 1997
Next Issue: New Series, Vol. 276, No. 5312, Apr. 25, 1997

Science, New Series, Vol. 276, No. 5312, Apr. 25, 1997

Previous Issue: New Series, Vol. 276, No. 5311, Apr. 18, 1997
Next Issue: New Series, Vol. 276, No. 5313, May 2, 1997

Front Matter (19 pp.)
Editorial: Improved Fossil Energy Technology, p. 511

Philip H. Abelson

Letters

Misplaced Crabs, p. 513

Hugh Smith; Gordon A. Fox; John K. Pope

Tritium Supply, p. 513

Harold M. Agnew

Rutherford's Contribution, p. 513

Alexander Small

Endangered Species "Hot Spots", pp. 513-517

Christopher P. Dunn; Marlin L. Bowles; George B. Rabb; Kris S. Jarantoski; David Ehrenfeld; Reed F. Noss; Gary K. Meffe; A. Dobson; J. P. Rodriguez; W. M. Roberts; D. S. Wilcove

Corrections and Clarifications, p. 517
ScienceScope, p. 519

Jocelyn Kaiser

News and Comment

AIDS Trials Ethics Questioned, pp. 520-523

Jon Cohen

Publishing Sensitive Data: Who Calls the Shots?, pp. 523-526

Wade Roush; Eliot Marshall; Gretchen Vogel

Warnings Precede Chinese Temblors, p. 526

Li Hui; Richard A. Kerr

Merck Gives Researchers Knockout Deal, p. 527

Elizabeth Pennisi

Report Says ITER Ignition Not Assured, p. 527

Andrew Lawler

Research News

The Telomerase Picture Fills in, pp. 528-529

Marcia Barinaga

Visible 'Source' Teases Observers, pp. 529-530

James Glanz

Doubts Greet Claim of Cosmic Axis, p. 530

James Glanz

Possible Function Found for Breast Cancer Genes, pp. 531-532

Jean Marx

New Test Sizes Up Randomness, p. 532

Charles Seife

New Vaccines May Ward Off Urinary Tract Infections, p. 533

Robert F. Service

Putative Cancer Gene Shows Up in Development Instead, pp. 534-535

Wade Roush

Ideas on Human Origins Evolve at Anthropology Gathering, pp. 535-536

Ann Gibbons

Random Samples, pp. 537+539

Constance Holden

Book Reviews

Vertebrates Ashore, p. 541

Amniote Origins. Completing the Transition to Land.

Stuart S. Sumida; Karen L. M. Martin

Review author[s]: John A. Ruben

Nerve Cells with Names, pp. 541-542

The Neurobiology of an Insect Brain.

Malcolm Burrows

Review author[s]: Sasha N. Zill

Perspectives

Putting Molecules Behind Bars, pp. 543-544

Steven C. Zimmerman

The Rise of Plants and Their Effect on Weathering and Atmospheric CO₂, pp. 544-546

Robert A. Berner

Ribozymes in Wonderland, pp. 546-547

Andrew D. Ellington; Michael P. Robertson; Jim Bull

Seeing the Synapse, p. 547

Katrina L. Kelner

Policy Forum

Current Problems and the Future of Antiretroviral Drug Trials, pp. 548-550

Joep M. A. Lange

U-Th Isotopes in Arc Magmas: Implications for Element Transfer from the Subducted Crust, pp. 551-555

C. J. Hawkesworth; S. P. Turner; F. McDermott; D. W. Peate; P. van Calsteren

Research Articles

Antarctic Tectonics: Constraints from an ERS-1 Satellite Marine Gravity Field, pp. 556-560

David McAdoo; Seymour Laxon

Reverse Transcriptase Motifs in the Catalytic Subunit of Telomerase, pp. 561-567

Joachim Lingner; Timothy R. Hughes; Andrej Shevchenko; Matthias Mann; Victoria Lundblad; Thomas R. Cech

Reports

Vesicle-Specific Noble Gas Analyses of "Popping Rock": Implications for Primordial Noble Gases in Earth, pp. 568-571

Pete Burnard; David Graham; Grenville Turner

Climatic Limits on Landscape Development in the Northwestern Himalaya, pp. 571-574

Nicholas Brozović; Douglas W. Burbank; Andrew J. Meigs

Nanoporous Molecular Sandwiches: Pillared Two-Dimensional Hydrogen-Bonded Networks with Adjustable Porosity, pp. 575-579

Victoria A. Russell; Cara C. Evans; Wenjie Li; Michael D. Ward

Scanning Single-Electron Transistor Microscopy: Imaging Individual Charges, pp. 579-582

M. J. Yoo; T. A. Fulton; H. F. Hess; R. L. Willett; L. N. Dunkleberger; R. J. Chichester; L. N. Pfeiffer; K. W. West

Early Forest Soils and Their Role in Devonian Global Change, pp. 583-585

Gregory J. Retallack

Neurogenesis in Postnatal Rat Spinal Cord: A Study in Primary Culture, pp. 586-589

Lois J. Kehl; Carolyn A. Fairbanks; Tinna M. Laughlin; George L. Wilcox

Control of Inflammation, Cytokine Expression, and Germinal Center Formation by BCL-6, pp. 589-592

Alexander L. Dent; Arthur L. Shaffer; Xin Yu; David Allman; Louis M. Staudt

Activation of Auditory Cortex During Silent Lipreading, pp. 593-596

Gemma A. Calvert; Edward T. Bullmore; Michael J. Brammer; Ruth Campbell; Steven C. R. Williams; Philip K. McGuire; Peter W. R. Woodruff; Susan D. Iversen; Anthony S. David

Repression of c-myc Transcription by Blimp-1, an Inducer of Terminal B Cell Differentiation, pp. 596-599

Yi Lin; Kwok-kin Wong; Kathryn Calame

Maintenance of Acetylcholine Receptor Number by Neuregulins at the Neuromuscular Junction in Vivo, pp. 599-603

Alfred W. Sandrock Jr.; Stuart E. Dryer; Kenneth M. Rosen; Shai N. Gozani; Rainer Kramer; Lars E. Theill; Gerald D. Fischbach

Identification of α-Fodrin as a Candidate Autoantigen in Primary Sjögren's Syndrome, pp. 604-607

Norio Haneji; Takanori Nakamura; Koji Takio; Kumiko Yanagi; Hiroyuki Higashiyama; Ichiro Saito; Sumihare Noji; Hiromu Sugino; Yoshio Hayashi

Prevention of Mucosal Escherichia coli Infection by FimH-Adhesin-Based Systemic Vaccination, pp. 607-611

Solomon Langermann; Susan Palaszynski; Michelle Barnhart; Gale Auguste; Jerome S. Pinkner; Jeanne Burlein; Philip Barren; Scott Koenig; Simon Leath; C. Hal Jones; Scott J. Hultgren

Partitioning of Large and Minichromosomes in Trypanosoma brucei, pp. 611-614

Klaus Ersfeld; Keith Gull

Continuous In vitro Evolution of Catalytic Function, pp. 614-617

Martin C. Wright; Gerald F. Joyce

AAAS News and Notes, p. 618

S. L. Byrand

Back Matter (26 pp.)

Previous Issue: New Series, Vol. 276, No. 5311, Apr. 18, 1997
Next Issue: New Series, Vol. 276, No. 5313, May 2, 1997

Science, New Series, Vol. 276, No. 5313, May 2, 1997

Previous Issue: New Series, Vol. 276, No. 5312, Apr. 25, 1997
Next Issue: New Series, Vol. 276, No. 5314, May 9, 1997

Front Matter (50 pp.)
Editorial: Common Themes Amid Diversity, p. 659

Staffan Normark; Hans Wolf-Watz

Letters

Review Staff at FDA, p. 661

Alan Goldhammer

Nobelists' Taxes, pp. 661-662

Mike Klymkowsky; Joshua Roth; William F. Prokasy

Pauling on Pauling, p. 662

Edward Gruberg

West Antarctic Ice Sheet Collapse?, pp. 662-664

Robert Bindschadler; Charles E. Bentley

Career Options in Science, p. 664

Birthrates: Russians Not Alone, p. 664

Robert Johnston

Evidence for Linkage Disequilibrium between HLA-DRB1 Gene and Multiple Sclerosis, pp. 664-665

Jacqueline Yaouanq; Gilbert Semana; Sophie Eichenbaum; Erwann Quelvennec; M. P. Roth; Michel Clanet; Gilles Edan; Francoise Clerget-Darpoux

Corrections and Clarifications: Synergy Paper Questioned at Toxicology Meeting, p. 665
Corrections and Clarifications: Robotic Subs for Rapid-Response Science, p. 665
Corrections and Clarifications: Green Education, p. 665
ScienceScope, p. 667

Jocelyn Kaiser

News and Comment

OSTP Gears Up for Change, pp. 668-670

Andrew Lawler

War on Debt Puts Big Science Under Fire, p. 670

Dennis Normile

Peña to Review LHC Agreement, p. 671

Andrew Lawler

Disclosing Data Can Get in Trouble, pp. 671-672

Eliot Marshall

Montagnier to Head New York Center, p. 672

Michael Balter

Geoscientist Seek Common Ground on Collaborations, pp. 673-674

Li Hui; Xiong Lei

Pact to Open Up New Fossil Trove, p. 673

Ann Gibson

No Moratorium on Trust, p. 674

Jeffrey Mervis

Research News

Estrogen Stakes Claim to Cognition, pp. 675-678

Ingrid Wickelgren

Force-Carrying Web Pervades Living Cell, pp. 678-679

James Glanz

Chaos Keeps Data Under Wraps, p. 679

Alexander Hellemans

Second Clock Supports Orbital Pacing of the Ice Ages, pp. 680-681

Richard A. Kerr

New Technique Maps the Body Electric, p. 681

David Ehrenstein

A Mitochondrial Alzheimer's Gene?, p. 682

Marcia Barinaga

Catching Lizards in the Act of Adapting, pp. 682-683

Virginia Morell

Dams Drain in the Life Out of Riverbanks, p. 683

Nigel Williams

Random Samples, p. 685

Constance Holden

Frontiers in Microbial Biology

Microbiology's Scarred Revolutionary, pp. 699-702

Virginia Morell

Life Goes to Extremes in the Deep Earth-and Elsewhere?, pp. 703-704

Richard A. Kerr

In Industry, Extremophiles Begin to Make Their Mark, pp. 705-706

Elizabeth Pennisi

Microbial Pathogenesis: Genomics and Beyond, pp. 707-712

Evelyn J. Strauss; Stanley Falkow

Protein Localization and Cell Fate in Bacteria, pp. 712-718

Lucy Shapiro; Richard Losick

Exploitation of Mammalian Host Cell Functions by Bacterial Pathogens, pp. 718-725

B. Brett Finlay; Pascale Cossart

Signaling in Plant-Microbe Interactions, pp. 726-733

Barbara Baker; Patricia Zambryski; Brian Staskawicz; S. P. Dinesh-Kumar

A Molecular View of Microbial Diversity and the Biosphere, pp. 734-740

Norman R. Pace

Book Reviews

Assaling the Seasons, pp. 750-752

The Flight from Science and Reason.

Paul R. Cross; Norman Levitt; Martin W. Lewis

Review author[s]: Paul Forman

Other Books Received, p. 752

Perspectives

PAS, Present, and Future: Clues to the Origins of Circadian Clocks, pp. 753-754

Steve A. Kay

Monte Verde and the Pleistocene Peopling of the Americas, pp. 754-755

David J. Meltzer

Quenching the Spark in the Heart, pp. 755-756

David T. Yue

Catching an Elusive Cation, pp. 756-757

G. K. Surya Prakash

Webwatch, p. 757

David Voss

Policy Forums

The Costs of Animal Research: Origins and Options, pp. 758-759

Linda C. Cork; Thomas B. Clarkson; Robert O. Jacoby; Diane J. Gaertner; S. L. Leary; Jeffrey M. Linn; Steven P. Pakes; Daniel H. Ringler; John D. Strandberg; Michael M. Swindle

Life-Sciences R&D, National Prosperity, and Industrial Competitiveness, pp. 759-760

R. Fears; M. W. J. Ferguson; W. Stewart; G. Poste

Beating Scientists into Plowshares, pp. 761-762

C. G. Kurland

Research Article

Neurospora wc-1 and wc-2: Transcription, Photoresponses, and the Origins of Circadian Rhythmicity, pp. 763-769

Susan K. Crosthwaite; Jay C. Dunlap; Jennifer J. Loros

Reports

High Critical-Current Density in the Heavily Pb-Doped Bi₂Sr₂CaCu₂O _8+δ Superconductor: Generation of Efficent Pinning Centers, pp. 770-773

I. Chong; Z. Hiroi; M. Izumi; J. Shimoyama; Y. Nakayama; K. Kishio; T. Terashima; Y. Bando; M. Takano

High-Power Infrared (8-Micometer Wavelength) Superlattice Lasers, pp. 773-776

Gaetano Scamarcio; Federico Capasso; Carlo Sirtori; Jerome Faist; Albert F. Hutchinson; Deborah L. Sivco; Alfred Y. Cho

Spectroscopic Observation of the Formyl Cation in a Condensed Phase, pp. 776-779

Peter J. F. de Rege; John A. Gladysz; István T. Horváth

Patterned Diversity of Immunoglobulins to Surfaces Using Microfluidic Networks, pp. 779-781

Emmanuel Delamarche; André Bernard; Heinz Schmid; Bruno Michel; Hans Biebuyck

Protactinium-231 Dating of Carbonates by Thermal Ionization Mass Spectrometry: Implications for Quaternary Climate Change, pp. 782-786

R. Lawrence Edwards; H. Cheng; M. T. Murrell; S. J. Goldstein

Effect of Low Glacial Atmospheric CO₂ on Tropical African Montane Vegetation, pp. 786-788

Dominique Jolly; Alex Haxeltine

Surface Deformation and Lower Crustal Flow in Eastern Tibet, pp. 788-790

Leigh H. Royden; B. Clark Burchfiel; Robert W. King; Erchie Wang; Zhiliang Chen; Feng Shen; Yuping Liu

Rescue of a Drosophila NF1 Mutant Phenotype by Protein Kinase A, pp. 791-794

Inge The; Gregory E. Hannigan; Glenn S. Cowley; Shoba Reginald; Yi Zhong; James F. Gusella; Iswar K. Kariharan; André Bernards

Requirement of Drosophila NF1 for Activation of Adenylyl Cyclase by PACAP38-Like Neuropeptides, pp. 795-798

Hui-Fu Guo; Inge The; Frances Hannan; André Bernards; Yi Zhong

Long-Term Responses of River-Margin Vegetation to Water-Level Regulation, pp. 798-800

Christer Nilsson; Roland Jansson; Ursula Zinko

Defective Excitation-Contraction Coupling in Experimental Cardiac Hypertrophy and Heart Failure, pp. 800-806

A. M. Gómez; H. H. Valdivia; H. Cheng; Miriam R. Lederer; L. F. Santana; M. B. Cannell; S. A. McCune; R. A. Altschuld; W. J. Lederer

Cell Cycle-Dependent Establishment of a Late Replication Program, pp. 806-809

M. K. Raghuraman; Bonita J. Brewer; Walton L. Fangman

Nucleosome Mobility and the Maintenance of Nucleosome Positioning, pp. 809-812

Michael J. Pazin; Purnima Bhargava; E. Peter Geiduschek; James T. Kadonaga

Light-Induced Structural Changes in Photosynthetic Reactionn Center: Implications for Mechanism of Electron-Proton Transfer, pp. 812-816

M. H. B. Stowell; T. M. McPhillips; D. C. Rees; S. M. Soltis; E. Abresch; G. Feher

Basal Cell Carcinomas in Mice Overexpressing Sonic Hedgehog, pp. 817-821

Anthony E. Oro; Kay M. Higgins; Zhilan Hu; Jeannette M. Bonifas; Ervin H. Epstein Jr.; Matthew P. Scott

Integration of What and Where in the Primate Prefrontal Cortex, pp. 821-824

S. Chenchal Rao; Gregor Rainer; Earl K. Miller

Technical Comments

Delta-Interacting Protein A and the Origin of Hepatitis Delta Antigen, pp. 824-825

Manyuan Long; Sandro J. de Souza; Walter Gilbert; Robert Brazas; Don Ganem

Next Wave: Women in Forum: It's Never Too Late to Return to Science, p. 837

Nicole Ruediger

Back Matter (27 pp.)

Previous Issue: New Series, Vol. 276, No. 5312, Apr. 25, 1997
Next Issue: New Series, Vol. 276, No. 5314, May 9, 1997

Science, New Series, Vol. 276, No. 5314, May 9, 1997

Previous Issue: New Series, Vol. 276, No. 5313, May 2, 1997
Next Issue: New Series, Vol. 276, No. 5315, May 16, 1997

Front Matter (18 pp.)
Editorial: Spring Preening, p. 879

Floyd E. Bloom

Letters

Testing the Power of Belief, pp. 881-882

J. S. Heilig; Dalmen Mayer; James W. Larrick

Tenure Study, p. 882

Sylvia Manning; Ivy E. Broder

Science by the Country, pp. 882-885

Guillermo R. Barreto; Serge Bauin; Isabel Gómez; María Bordons; Jordi Camí; Perrin C. White; Shlomo Herskovic; Robert M. May

Corrections and Clarifications: Thanks to a Parasite, Asexual Reproduction Catches On, p. 885
ScienceScope, p. 887

Jocelyn Kaiser

News

NIH Plans Peer-Review Overhaul, pp. 888-889

Eliot Marshall

Changes at Brookhaven Shock National Lab System, p. 890

Andrew Lawler

Whitehead, Three Firms Splice a Deal, p. 891

Wade Roush

Europeans Plan Their Next Big Source, pp. 891-892

Alexander Hellemans

Watson Urges 'Put Hitler Behind Us', p. 892

Robert Koenig

Unique, All-Taxa Survey in Costa Rica "Self-Destructs", p. 893

Jocelyn Kaiser

Squash Seeds Yield New View of Early American Farming, pp. 894-895

Wade Roush

Will UV Lasers Beat the Blues?, p. 895

Robert F. Service

Bone Sizes Trace the Decline of Man (and Woman), pp. 896-897

Ann Gibbons

Antimatter Hints at Galactic Turmoil, p. 897

Erik Stokstad

Stubborn HIV Reservoirs Vulnerable to New Treatments, pp. 898-899

Jon Cohen

Primordial Gas: Fog Not Clouds, p. 899

Charles Seife

Special News Report

Is the NRC Ready for Reform?, pp. 900-904

Andrew Lawler

Random Samples, pp. 905+907

Constance Holden

Book Reviews

Famous Felids, pp. 909-910

The Big Cats and Their Fossil Relatives. An Illustrated Guide to Their Evolution and Natural History.

Alan Turner

Review author[s]: Dawn A. Adams

An Epoch Past, p. 910

Essays of a Soviet Scientist.

Vitaliǐ I. Gol'Danskiǐ

Review author[s]: Joseph L. Birman

Other Books Received, p. 910

Perspectives

Charge Ordering in Manganates, pp. 911-912

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

New Fatty Acid-Based Signals: A Lesson from the Plant World, pp. 912-913

Edward E. Farmer

Adaptation by Hyperpolarization, pp. 913-914

Horace Barlow

Are We Seeing Global Warming?, pp. 914-915

K. Hasselmann

Policy Forum

Ozone Pollution in the Rural United States and the New NAAQS, p. 916

W. L. Chameides; R. D. Saylor; E. B. Cowling

Thermodynamics and Kinetics of a Brownian Motor, pp. 917-922

R. Dean Astumian

Reports

Functionalized Monolayers on Ordered Mesoporous Supports, pp. 923-926

X. Feng; G. E. Fryxell; L.-Q. Wang; A. Y. Kim; J. Liu; K. M. Kemner

Manganese Oxide Mesoporous Structures: Mixed-Valent Semiconducting Catalysts, pp. 926-930

Zheng-Rong Tian; Wei Tong; Jin-Yun Wang; Nian-Gao Duan; Venkatesan V. Krishnan; Steven L. Suib

Polarization-Enhanced NMR Spectroscopy of Biomolecules in Frozen Solution, pp. 930-932

Dennis A. Hall; Douglas C. Maus; Gary J. Gerfen; Souheil J. Inati; Lino R. Becerra; Frederick W. Dahlquist; Robert G. Griffin

The Initial Domestication of Cucurbita pepo in the Americas 10,000 Years Ago, pp. 932-934

Bruce D. Smith

North and Northeast Greenland Ice Discharge from Satellite Radar Interferometry, pp. 934-937

E. J. Rignot; S. P. Gogineni; W. B. Krabill; S. Ekholm

Surface Composition of Kuiper Belt Object 1993SC, pp. 937-939

Robert H. Brown; Dale P. Cruikshank; Yvonne Pendleton; Glenn J. Veeder

Modeling of Cometary X-rays Caused by Solar Wind Minor Ions, pp. 939-942

Roman M. Häberli; Tamas I. Gombosi; Darren L. De Zeeuw; Michael R. Combi; Kenneth G. Powell

A Proficient Enzyme Revisited: The Predicted Mechanism for Orotidine Monophosphate Decarboxylase, pp. 942-945

Jeehiun K. Lee; K. N. Houk

An Elicitor of Plant Volatiles from Beet Armyworm Oral Secretion, pp. 945-949

H. T. Alborn; T. C. J. Turlings; T. H. Jones; G. Stenhagen; J. H. Loughrin; J. H. Tumlinson

A Tonic Hyperpolarization Underlying Contrast Adaptation in Cat Visual Cortex, pp. 949-952

Matteo Carandini; David Ferster

Regulation of Protein Phosphatase 2A by Direct Interaction with Casein Kinase 2α, pp. 952-955

Jean-Karim Hériché; Franck Lebrin; Thierry Rabilloud; Didier Leroy; Edmond M. Chambaz; Yves Goldberg

Structures of the Tyrosine Kinase Domain of Fibroblast Growth Factor Receptor in Complex with Inhibitors, pp. 955-960

Moosa Mohammadi; Gerald McMahon; Li Sun; Cho Tang; Peter Hirth; Brian K. Yeh; Stevan R. Hubbard; Joseph Schlessinger

Kinetics of Response in Lymphoid Tissues to Antiretroviral Therapy of HIV-1 Infection, pp. 960-964

Winston Cavert; Daan W. Notermans; Katherine Staskus; Stephen W. Wietgrefe; Mary Zupancic; Kristin Gebhard; Keith Henry; Zhi-Qiang Zhang; Roger Mills; Hugh McDade; Jaap Goudsmit; Sven A. Danner; Ashley T. Haase

Technical Comments

Interactions between Epithelial Cells and Bacteria, Normal and Pathogenic, pp. 964-965

Yoshinori Umesaki; Yasushi Okada; Akemi Imaoka; Hiromi Setoyama; Satoshi Matsumoto; J. I. Gordon; L. V. Hooper; L. Bry; T. Midtvedt; P. G. Falk

Determining the Early History of El Niño, pp. 965-967

T. J. DeVries; L. Ortlieb; A. Diaz; L. Wells; Cl. Hillaire-Marcel; Lisa E. Wells; Jay S. Noller; Daniel H. Sandweiss; James B. Richardson III; Elizabeth J. Reitz; Harold B. Rollins; Kirk A. Maasch

Back Matter (29 pp.)

Previous Issue: New Series, Vol. 276, No. 5313, May 2, 1997
Next Issue: New Series, Vol. 276, No. 5315, May 16, 1997

Science, New Series, Vol. 276, No. 5315, May 16, 1997

Previous Issue: New Series, Vol. 276, No. 5314, May 9, 1997
Next Issue: New Series, Vol. 276, No. 5316, May 23, 1997

Front Matter (30 pp.)
Editorial: Japanese Science Funding, p. 1011

Masao Ito

Letters

Ice Cores and Human History, p. 1013

W. Dansgaard

Diabetes Project, p. 1013

Georgia M. Dunston; Omobosola Akinsete; Francis S. Collins

Searching for WIMPs, pp. 1013-1014

David B. Cline; Peter F. Smith

Biology Department Splits, pp. 1014-1015

Laurie R. Walter

Honeybee Thermoregulation, pp. 1015-1017

Bernd Heinrich; Harald Esch; R. D. Stevenson; William A. Woods Jr.; J. F. Harrison; J. H. Fewell; S. P. Roberts; H. G. Hall

ScienceScope, p. 1019

Jocelyn Kaiser

News and Comment

Blunt Talk From Science Chair, pp. 1020-1021

Andrew Lawler

Ethics of AZT Studies in Poorer Countries Attacked, p. 1022

Jon Cohen

A Catalog of Cancer Genes at the Click of a Mouse, pp. 1023-1024

Elizabeth Pennisi

Japan Starts to Carve Out Its Place in the World, pp. 1025-1026

Dennis Normile

Refitted Hubble Probes a Maelstrom, p. 1026

Gretchen Vogel

Research News

Chemists Explore the Power of One, pp. 1027-1029

Robert F. Service

Putting a Price Tag on Nature's Bounty, p. 1029

Wade Roush

New Clues Found to Circadian Clocks-Including Mammals', pp. 1030-1031

Marcia Barinaga

How the Parasite Gets Its Food, p. 1031

Gretchen Vogel

Morphologists Learn to Live with Molecular Upstarts, pp. 1032-1034

Michael Balter

Flaw Found in a Quantum Code, p. 1034

Charles Seife

Random Samples, pp. 1035+1037

Constance Holden

Tropospheric Processes

[Introduction], p. 1039

Julia Uppenbrink; Brooks Hanson

News

Greenhouse Forecasting Still Cloudy, pp. 1040-1042

Richard A. Kerr

Tropospheric Chemistry and Transport, pp. 1043-1045

Dieter Kley

Tropospheric Air Pollution: Ozone, Airborne Toxics, Polycyclic Aromatic Hydrocarbons, and Particles, pp. 1045-1052

Barbara J. Finlayson-Pitts; James N. Pitts Jr.

Atmospheric Aerosols: Biogeochemical Sources and Role in Atmospheric Chemistry, pp. 1052-1058

Meinrat O. Andreae; Paul J. Crutzen

Heterogeneous and Multiphase Chemistry in the Troposphere, pp. 1058-1065

A. R. Ravishankara

Measurement Techniques in Gas-Phase Tropospheric Chemistry: A Selective View of the Past, Present, and Future, pp. 1065-1072

Howard K. Roscoe; Kevin C. Clemitshaw

Cloud Microphysics and Climate, pp. 1072-1078

M. B. Baker

Dynamics of Transport Processes in the Upper Troposphere, pp. 1079-1083

J. D. Mahlman

Policy Forum

Atmospheric Science and Public Policy, pp. 1084-1086

John W. Zillman

Book Reviews

A Cosmological Postulate, pp. 1087-1088

The Inflationary Universe. The Quest for a New Theory of Cosmic Origins.

Alan H. Guth

Review author[s]: Frank Wilczek

Nonhuman Kindness, p. 1088

Good Natured. The Origins of Right and Wrong in Humans and Other Animals.

Frans de Waal

Review author[s]: Charles T. Snowdon

Perspectives

Cosmic Age Controversy is Overstated, pp. 1089-1090

Eric J. Chaisson

Stretching Single Protein Molecules: Titin is a Weird Spring, pp. 1090-1092

Harold P. Erickson

A New Face for the Endoplasmic Reticulum: RNA Localization, pp. 1092-1093

Laurence D. Etkin

As Time PASses: The First Mammalian Clock Gene, p. 1093

Steve A. Kay

Reports

TRUST: A Deterministic Algorithm for Global Optimization, pp. 1094-1097

Jacob Barhen; Vladimir Protopopescu; David Reister

A Saturated X-ray Laser Beam at 7 Nanometers, pp. 1097-1100

J. Zhang; A. G. MacPhee; J. Lin; E. Wolfrum; R. Smith; C. Danson; M. H. Key; C. L. S. Lewis; D. Neely; J. Nilsen; G. J. Pert; G. J. Tallents; J. S. Wark

Local, Nonvolatile Electronic Writing of Epitaxial Pb(Zr _0.52 Ti _0.48 )O₃/SrRuO₃ Heterostructures, pp. 1100-1103

C. H. Ahn; T. Tybell; L. Antognazza; K. Char; R. H. Hammond; M. R. Beasley; Ø. Fischer; J.-M. Triscone

Disordered Biopyriboles, Amphibole, and Talc in the Allende Meteorite: Products of Nebular or Parent Body Aqueous Alteration?, pp. 1103-1105

Adrian J. Brearley

Magnetoconvection Dynamos and the Magnetic Fields of Io and Ganymede, pp. 1106-1108

G. R. Sarson; C. A. Jones; K. Zhang; G. Schubert

Reversible Unfolding of Individual Titin Immunoglobulin Domains by AFM, pp. 1109-1112

Matthias Rief; Mathias Gautel; Filipp Oesterhelt; Julio M. Fernandez; Hermann E. Gaub

Folding-Unfolding Transitions in Single Titin Molecules Characterized with Laser Tweezers, pp. 1112-1116

Miklós S. Z. Kellermayer; Steven B. Smith; Henk L. Granzier; Carlos Bustamante

Inhibition of Pathogenicity of the Rice Blast Fungus by Saccharomyces cerevisiae α-Factor, pp. 1116-1119

Janna L. Beckerman; Fred Naider; Daniel J. Ebbole

Effectiveness of Anthracycline Against Experimental Prion Disease in Syrian Hamsters, pp. 1119-1122

F. Tagliavini; R. A. McArthur; B. Canciani; G. Giaccone; M. Porro; M. Bugiani; P. M.-J. Lievens; O. Bugiani; E. Peri; P. Dall'Ara; M. Rocchi; G. Poli; G. Forloni; T. Bandiera; M. Varasi; A. Suarato; P. Cassutti; M. A. Cervini; J. Lansen; M. Salmona; C. Post

A Membrane Network for Nutrient Import in Red Cells Infected with the Malaria Parasite, pp. 1122-1125

Sabine A. Lauer; Pradipsinh K. Rathod; Nafisa Ghori; Kasturi Haldar

Engineering Chemical Reactivity on Cell Surfaces Through Oligosaccharide Biosynthesis, pp. 1125-1128

Lara K. Mahal; Kevin J. Yarema; Carolyn R. Bertozzi

Localization of Xenopus Vg1 mRNA by Vera Protein and the Endoplasmic Reticulum, pp. 1128-1131

James O. Deshler; Martin I. Highett; Bruce J. Schnapp

Technical Comments

On Raising Energy Expenditure in ob/ob Mice, pp. 1132-1133

Jean Himms-Hagen; Jay C. Erickson; Gunther Hollopeter; Richard D. Palmiter; Mary Ann Pelleymounter; Mary Jane Cullen; Mary Beth Baker; Randy Hecht; Dwight Winters; Tom Boone; Frank Collins

Back Matter (27 pp.)

Previous Issue: New Series, Vol. 276, No. 5314, May 9, 1997
Next Issue: New Series, Vol. 276, No. 5316, May 23, 1997