Science, New Series, Vol. 283, No. 5398, Jan. 1, 1999

Previous Issue: New Series, Vol. 282, No. 5397, Dec. 18, 1998
Next Issue: New Series, Vol. 283, No. 5399, Jan. 8, 1999

Front Matter (11 pp.)
Netwatch, pp. 7-8

Jocelyn Kaiser

News

News of the Week

RNA Molecules May Carry Long-Distance Signals in Plants, pp. 12-13

Evelyn Strauss

Iceland OKs Private Health Databank, p. 13

Martin Enserink

Has a Dark Particle Come to Light?, pp. 13-14

James Glanz

Filling in the Blanks of the GABA_B Receptor, pp. 14-15

Ingrid Wickelgren

ScienceScope, pp. 15+17

Moon-Forming Crash is Likely in New Model, pp. 15-16

Dana Mackenzie

Korean Report Sparks Anger and Inquiry, pp. 16-17

Michael Baker

DNA Chips Give New View of Classic Test, pp. 17-18

Elizabeth Pennisi

EPA Ponders Pesticide Tests in Humans, pp. 18-19

Jocelyn Kaiser

Flat Budget Keeps Space Science on Edge, p. 19

Helen Gavaghan

Galaxies Seen at the Universe's Dawn, pp. 19+21

Govert Schilling

Microwave Hump Reveals Flat Universe, p. 21

James Glanz

News Focus

Eastern Europe's Research Gamble, pp. 22-24

Robert Koenig

Money and Mentors Hold Onto Young Researchers, p. 25

Robert Koenig

Bringing Diverging Paths Back Together, pp. 25-26

Robert Koenig

End of Joint Programs Leaves Researchers Feeling Jilted, p. 26

Richard Stone

Borrowing from Biology to Power the Petite, pp. 27-28

Robert F. Service

From Eastern Quakes to a Warming's Icy Clues, pp. 28-29

Richard A. Kerr

Random Samples, p. 31

Constance Holden

Science's Compass

Editorial

Taking Inventory, p. 32

Floyd E. Bloom

Letters

Journal Economics, p. 33

Richard Johnson; Dana L. Roth

Miracle Heifer?, p. 33

John Ebeler

What's in a "Midden"?, p. 33

Jerry L. Modisette

From Mice to Maize, pp. 33-34

Colm Lawler; Fred Erbisch

Replacing Ancient Forests, p. 34

David W. Stahle

Hominid Brain Volume, pp. 34-35

Ralph L. Holloway; Glenn C. Conroy; Gerhard W. Weber; Horst Seidler; Phillip V. Tobias

Corrections and Clarifications: Genome Sequence of the Nematode C. elegans: A Platform for Investigating Biology, p. 35
Corrections and Clarifications: Caenorhabditis elegans is a Nematode, p. 35
Corrections and Clarifications: X-ray Crystal Structure of the Fe-Only Hydrogenase (Cpl) from Clostridium pasteurianum to 1.8 Angstrom Resolution, p. 35
Corrections and Clarifications: Oxygen Isotope Exchange Between Refactory Inclusion in Allende and Solar Nebula Gas, p. 35
Corrections and Clarifications: Single-molecule Enzymatic Dynamics, p. 35
Corrections and Clarifications: Coupling of Mitosis to the Completion of S Phase Through Cdc-34 Mediated Degradation of Wee1, p. 35
Corrections and Clarifications: The Science and Technology-Bereft Department of State, p. 35

Science's Compass

Policy Forum

Effects of Medical Research on Health Care and the Economy, pp. 36-37

Herbert Pardes; Kenneth G. Manton; Eric S. Lander; H. Dennis Tolley; Arthur D. Ullian; Hans Palmer

Books et al.

A Wondrous and Poetic Spectrum, pp. 38-39

Unweaving the Rainbow. Science, Delusion and the Appetite for Wonder.

Richard Dawkins

Review author[s]: Charles M. Vest

Going to Extremes in America, p. 39

Darwinism Comes to America.

Ronald L. Numbers

Review author[s]: Peter J. Bowler

Perspectives

Out of the Minds of Babes, pp. 40-41

Steven Pinker

Driven Liquids, pp. 41-42

Michael Grunze

Effective Mass and Color Change, pp. 42-43

M. V. Klein; G. Blumberg

Research

Reports

Superionic and Metallic States of Water and Ammonia at Giant Planet Conditions, pp. 44-46

C. Cavazzoni; G. L. Chiarotti; S. Scandolo; E. Tosatti; M. Bernasconi; M. Parrinello

Liquid Morphologies on Structured Surfaces: From Microchannels to Microchips, pp. 46-49

Hartmut Gau; Stephan Herminghaus; Peter Lenz; Reinhard Lipowsky

Sum Rules and Interlayer Conductivity of High-T_c Cuprates, pp. 49-52

D. N. Basov; S. I. Woods; A. S. Katz; E. J. Singley; R. C. Dynes; M. Xu; D. G. Hinks; C. C. Homes; M. Strongin

Imaging Electron Wave Functions of Quantized Energy Levels in Carbon Nanotubes, pp. 52-55

Liesbeth C. Venema; Jeroen W. G. Wildöer; Jorg W. Janssen; Sander J. Tans; Hinne L. J. Temminck Tuinstra; Leo P. Kouwenhoven; Cees Dekker

DOAS Measurements of Tropospheric Bromine Oxide in Mid-Latitudes, pp. 55-57

Kai Hebestreit; Jochen Stutz; David Rosen; Valery Matveiv; Mordechai Peleg; Menachem Luria; Ulrich Platt

Electrochemical Principles for Active Control of Liquids on Submillimeter Scales, pp. 57-60

Benedict S. Gallardo; Vinay K. Gupta; Franklin D. Eagerton; Lana I. Jong; Vincent S. Craig; Rahul R. Shah; Nicholas L. Abbott

Quantum Statistical Corrections to Dynamic Nuclear Magnetic Resonance, pp. 61-65

Leonard J. Mueller; Daniel P. Weitekamp

Chain Length Recognition: Core-Shell Supramolecular Assembly from Oppositely Charged Block Copolymers, pp. 65-67

Atsushi Harada; Kazunori Kataoka

Requirement for Diverse, Low-Abundance Peptides in Positive Selection of T Cells, pp. 67-70

Gregory M. Barton; Alexander Y. Rudensky

Blockade of NMDA Receptors and Apoptotic Neurodegeneration in the Developing Brain, pp. 70-74

Chrysanthy Ikonomidou; Friederike Bosch; Michael Miksa; Petra Bittigau; Jessica Vöckler; Krikor Dikranian; Tanya I. Tenkova; Vanya Stefovska; Lechoslaw Turski; John W. Olney

Role of Heteromer Formation in GABA_B Receptor Function, pp. 74-77

Rohini Kuner; Georg Köhr; Sylvia Grünewald; Gisela Eisenhardt; Alfred Bach; Hans-Christian Kornau

Rule Learning by Seven-Month-Old Infants, pp. 77-80

G. F. Marcus; S. Vijayan; S. Bandi Rao; P. M. Vishton

Assembly and Analysis of Conical Models for the HIV-1 Core, pp. 80-83

Barbie K. Ganser; Su Li; Victor Y. Klishko; John T. Finch; Wesley I. Sundquist

The Transcriptional Program in the Response of Human Fibroblasts to Serum, pp. 83-87

Vishwanath R. Iyer; Michael B. Eisen; Douglas T. Ross; Greg Schuler; Troy Moore; Jeffrey C. F. Lee; Jeffrey M. Trent; Louis M. Staudt; James Hudson Jr.; Mark S. Boguski; Deval Lashkari; Dari Shalon; David Botstein; Patrick O. Brown

Regulated Delivery of Therapeutic Proteins After In vivo Somatic Cell Gene Transfer, pp. 88-91

Xuehai Ye; Victor M. Rivera; Philip Zoltick; Franklin Cerasoli Jr.; Michael A. Schnell; Guang-ping Gao; Joseph V. Hughes; Michael Gilman; James M. Wilson

Processing of the Notch Ligand Delta by the Metalloprotease Kuzbanian, pp. 91-94

Huilin Qi; Matthew D. Rand; Xiaohui Wu; Nenad Sestan; Weiyi Wang; Pasko Rakic; Tian Xu; Spyros Artavanis-Tsakonas

Plant Paralog to Viral Movement Protein that Potentiates Transport of mRNA into the Phloem, pp. 94-98

Beatriz Xoconostle-Cázares; Yu Xiang; Roberto Ruiz-Medrano; Hong-Li Wang; Jan Monzer; Byung-Chun Yoo; K. C. McFarland; Vincent R. Franceschi; William J. Lucas

Back Matter (34 pp.)

Previous Issue: New Series, Vol. 282, No. 5397, Dec. 18, 1998
Next Issue: New Series, Vol. 283, No. 5399, Jan. 8, 1999

Science, New Series, Vol. 283, No. 5399, Jan. 8, 1999

Previous Issue: New Series, Vol. 283, No. 5398, Jan. 1, 1999
Next Issue: New Series, Vol. 283, No. 5400, Jan. 15, 1999

Front Matter (22 pp.)
NetWatch, p. 139

Jocelyn Kaiser

News

News of the Week

Institutes Reinvent Themselves as Part of Well-Funded Reform, pp. 150-151+153

Li Hui

Neuroscience Institute Breaks New Ground, pp. 150-151

Jeffrey Mervis

Which Jefferson was the Father?, pp. 153-154

Eliot Marshall

ScienceScope, pp. 153+155

Immortalized Cells Seem Cancer-Free so Far, pp. 154-155

Dan Ferber

RNA Study Suggests Cool Cradle of Life, pp. 155+157

Gretchen Vogel

Pluto: The Planet that Never Was, p. 157

Govert Schilling

News Focus

Nuclear Strongholds in Peril, pp. 158-164

Richard Stone

Finding Speed on the Smallest Scales, pp. 165+167

Robert F. Service

New Findings Point to an Abundance of Cellular Riches, pp. 167-169

Evelyn Strauss; Elizabeth Pennisi

Ancient Child Burial Uncovered in Portugal, p. 169

Constance Holden

Random Samples, p. 171

Constance Holden

Science's Compass

Editorial

Investing in Our Future, p. 173

Virginia McGovern

Letters

Silver-Tongued Neandertals?, p. 175

Philip Lieberman

Yellowstone Fires, pp. 175-176

Jay E. Anderson; William H. Romme; Grant Meyer; Dennis H. Knight; Linda Wallace

Otter-Eating Orcas, pp. 176-177

David L. Garshelis; Charles B. Johnson; James A. Estes

Fertility Technique Regulation, pp. 178-179

Barbara A. DeBuono; Carl H. Coleman; Lori Andrews; Nanette Elster

Climate Change Prediction, p. 179

Wallace Broecker

Books et al.

Organizing Pelagic Ecosystems, pp. 180-181

Ecological Geography of the Sea.

Alan Longhurst

Review author[s]: Sharon L. Smith

Choosing to Favor Animals, p. 181

The Human Use of Animals. Case Studies in Ethical Choices.

F. Barbara Orlans; Tom L. Beauchamp; Rebecca Dresser; David B. Morton; John P. Gluck

Review author[s]: Adrian R. Morrison

Perspectives

Debating Extinction, pp. 182-183

Timothy F. Flannery

Warm, Warm on the Range, pp. 183-184

Jerry M. Melillo

Beyond Sloth-Physical Activity and Weight Gain, pp. 184-185

Eric Ravussin; Elliot Danforth Jr.

RNA, Whither Goest Thou?, pp. 186-187

Henri Tiedge; Floyd E. Bloom; Dietmar Richter

Research

Reports

The Generation and Trapping of Solitary Waves Over Topography, pp. 188-190

David Farmer; Laurence Armi

Paleolithic Population Growth Pulses Evidenced by Small Animal Exploitation, pp. 190-194

Mary C. Stiner; Natalie D. Munro; Todd A. Surovell; Eitan Tchernov; Ofer Bar-Yosef

Controlling Charge States of Large Ions, pp. 194-197

Mark Scalf; Michael S. Westphall; Joern Krause; Stanley L. Kaufman; Lloyd M. Smith

Rapid Fluctuations in Sea Level Recorded at Huon Peninsula During the Penultimate Deglaciation, pp. 197-201

Tezer M. Esat; Malcolm T. McCulloch; John Chappell; Bradley Pillans; Akio Omura

Coral Record of Equatorial Sea-Surface Temperatures During the Penultimate Deglaciation at Huon Peninsula, pp. 202-204

Malcolm T. McCulloch; Alexander W. Tudhope; Tezer M. Esat; Graham E. Mortimer; John Chappell; Bradley Pillans; Allan R. Chivas; Akio Omura

Pleistocene Extinction of Genyornis newtoni: Human Impact on Australian Megafauna, pp. 205-208

Gifford H. Miller; John W. Magee; Beverly J. Johnson; Marilyn L. Fogel; Nigel A. Spooner; Malcolm T. McCulloch; Linda K. Ayliffe

Particle-Stabilized Defect Gel in Cholesteric Liquid Crystals, pp. 209-212

Martin Zapotocky; Laurence Ramos; Philippe Poulin; T. C. Lubensky; D. A. Weitz

Role of Nonexercise Activity Thermogenesis in Resistance to Fat Gain in Humans, pp. 212-214

James A. Levine; Norman L. Eberhardt; Michael D. Jensen

A Molecular Mechanism for Electrical Tuning of Cochlear Hair Cells, pp. 215-217

Krishnan Ramanathan; Timothy H. Michael; Guo-Jian Jiang; Hakim Hiel; Paul A. Fuchs

Female × Male Interactions in Drosophila Sperm Competition, pp. 217-220

Andrew G. Clark; David J. Begun; Timothy Prout

A Nonhyperthermophilic Common Ancestor to Extant Life Forms, pp. 220-221

Nicolas Galtier; Nicolas Tourasse; Manolo Gouy

STAT5 Interaction with the T Cell Receptor Complex and Stimulation of T Cell Proliferation, pp. 222-225

Thomas Welte; David Leitenberg; Bonnie N. Dittel; Basel K. al-Ramadi; Bing Xie; Yue E. Chin; Charles A. Janeway Jr.; Alfred L. M. Bothwell; Kim Bottomly; Xin-Yuan Fu

CD1d-Restricted Immunoglobulin G Formation to GPI-Anchored Antigens Mediated by NKT Cells, pp. 225-229

Louis Schofield; Malcolm J. McConville; Diana Hansen; A. Stewart Campbell; Bert Fraser-Reid; Michael J. Grusby; Souvenir D. Tachado

Grassland Vegetation Changes and Nocturnal Global Warming, pp. 229-231

Richard D. Alward; James K. Detling; Daniel G. Milchunas

Back Matter (57 pp.)

Previous Issue: New Series, Vol. 283, No. 5398, Jan. 1, 1999
Next Issue: New Series, Vol. 283, No. 5400, Jan. 15, 1999

Science, New Series, Vol. 283, No. 5400, Jan. 15, 1999

Previous Issue: New Series, Vol. 283, No. 5399, Jan. 8, 1999
Next Issue: New Series, Vol. 283, No. 5401, Jan. 22, 1999

Front Matter (21 pp.)
NetWatch, p. 295

Jocelyn Kaiser

News

News of the Week

Computing, NSF to Get Top Billing in 2000 Budget, pp. 302-303

David Malakoff

Did Early African Hominids Eat Meat?, p. 303

Gretchen Vogel

T Cell Production Slowed, Not Exhausted?, pp. 305-306

Michael Balter

ScienceScope, p. 305

News

News of the Week

How Stimulant Drugs May Calm Hyperactivity, p. 306

Jean Mark

DOE Blocks Physicists from Indian Meeting, p. 307

James Glanz

Scientific Leaders Balk at Broad Data Release, pp. 307+309

Bruce Agnew

India Prepares Research, Policy Initiatives, p. 309

Pallava Bagla

News Focus

Crop Scientists Seek a New Revolution, pp. 310-314

Charles C. Mann

Crossing Rice Strains to Keep Asia's Rice Bowls Brimming, p. 313

Dennis Normile

Genetic Engineers Aim to Soup up Crop Photosynthesis, pp. 314-316

Charles C. Mann

Landscape Changes Make Regional Climate Run Hot and Cold, pp. 317+319

Jennifer Couzin

Seeking Lasting Truths Among the Stars, pp. 319-320

Govert Schilling; James Glanz

New Data Hint at Why Earth Hums and Mountains Rise, pp. 320-321

Richard A. Kerr

Random Samples, p. 323

Constance Holden

Science's Compass

Editorial

On the Frontiers of Science, p. 325

Michel Cuénod

Letters

Transgenic Crops in Europe, p. 327

Milton P. Gordon

Edison and His Laboratory, p. 327

Review author[s]: John J. Gilman

Animal Rights, pp. 327-329

J. E. R. Staddon; Barbara Coalgate; Jerry Coalgate; Leslie Lanoix Davis; H. William Hunt; Cindy A. Buckmaster; Thomas A. Shannon

Spanish Natural History Museum, p. 329

Javier Garcia-Guinea; Jesus Martinez-Frias

Animal Domestication, pp. 329-330

Ronan T. Loftus; David E. MacHugh; Patrick Cunningham; Daniel G. Bradley

Carbon Sink: A Clue from Biosphere 2?, p. 330

Roy L. Walford

Corrections and Clarifications: Science's Compass, p. 330
Corrections and Clarifications: NetWatch, p. 330
Corrections and Clarifications: Magnetoelectronics, p. 330

Science's Compass

Policy Forum

Physician-Scientists-Endangered and Essential, pp. 331-332

Leon E. Rosenberg

Books et al

Only Unthinking Intelligence?, p. 333

If a Lion Could Talk. Animal Intelligence and the Evolution of Consciousness.

Stephen Budiansky

Review author[s]: Dorothy Cheney

Book et al

To Emerge or Not to Emerge, p. 334

Seeds. Ecology, Biogeography, and Evolution of Dormancy and Germination.

Carol C. Baskin; Jerry M. Baskin

Review author[s]: Susan J. Mazer

Perspectives

You are What You Eat, pp. 335-336

Matthew J. Kohn

Magic of the Occult?, pp. 336-337

David C. Montefiori; John P. Moore

Probing Europa's Third Dimension, pp. 338-339

Clark R. Chapman

What Maintains Memories?, pp. 339-340

John E. Lisman; Justin R. Fallon

Review

Mass-Independent Isotope Effects in Planetary Atmospheres and the Early Solar System, pp. 341-345

Mark H. Thiemens

Tech.Sight

Microfluidic Diffusion-Based Separation and Detection, pp. 346-347

Bernhard H. Weigl; Paul Yager

Techsighting, pp. 348-349

John Wass; Robert Sikorski; Richard peters

Research

Research Articles

Far-Ultraviolet Imaging Spectroscopy of Io's Atmosphere with HST/STIS, pp. 353-357

F. L. Roesler; H. W. Moos; R. J. Oliversen; R. C. Woodward Jr.; K. D. Retherford; F. Scherb; M. A. McGrath; W. H. Smyth; P. D. Feldman; D. F. Strobel

Fusion-Competent Vaccines: Broad Neutralization of Primary Isolates of HIV, pp. 357-362

Rachel A. LaCasse; Kathryn E. Follis; Meg Trahey; John D. Scarborough; Dan R. Littman; Jack H. Nunberg

Reports

Enhancement of Cation Diffusion Rates Across the 410-Kilometer Discontinuity in Earth's Mantle, pp. 362-365

S. Chakraborty; R. Knoche; H. Schulze; D. C. Rubie; D. Dobson; N. L. Ross; R. J. Angel

Phytoplankton Community Structure and the Drawdown of Nutrients and CO₂ in the Southern Ocean, pp. 365-367

Kevin R. Arrigo; Dale H. Robinson; Denise L. Worthen; Robert B. Dunbar; Giacomo R. DiTullio; Michael VanWoert; Michael P. Lizotte

Isotopic Evidence for the Diet of an Early Hominid, Australopithecus africanus, pp. 368-370

Matt Sponheimer; Julia A. Lee-Thorp

Ozone Isotope Enrichment: Isotopomer-Specific Rate Coefficients, pp. 370-372

K. Mauersberger; B. Erbacher; D. Krankowsky; J. Günther; R. Nickel

Self-Assembly of Ordered Microporous Materials from Rod-Coil Block Copolymers, pp. 372-375

Samson A. Jenekhe; X. Linda Chen

Electron Transfer between Bases in Double Helical DNA, pp. 375-381

Shana O. Kelley; Jacqueline K. Barton

Emergent Properties of Networks of Biological Signaling Pathways, pp. 381-387

Upinder S. Bhalla; Ravi Iyengar

Role of DNA 5-Methylcytosine Transferase in Cell Transformation by fos, pp. 387-390

A. V. Bakin; T. Curran

Xid-Like Immunodeficiency in Mice with Disruption of the p85α Subunit of Phosphoinositide 3-Kinase, pp. 390-392

Harumi Suzuki; Yasuo Terauchi; Mari Fujiwara; Shinichi Aizawa; Yoshio Yazaki; Takashi Kadowaki; Shigeo Koyasu

Impaired B Cell Development and Proliferation in Absence of Phosphoinositide 3-Kinase p85α, pp. 393-397

David A. Fruman; Scott B. Snapper; Claudine M. Yballe; Laurie Davidson; Jonathan Y. Yu; Frederick W. Alt; Lewis C. Cantley

Role of Serotonin in the Paradoxical Calming Effect of Psychostimulants on Hyperactivity, pp. 397-401

Raul R. Gainetdinov; William C. Wetsel; Sara R. Jones; Edward D. Levin; Mohamed Jaber; Marc G. Caron

Unresponsiveness to Cannabinoids and Reduced Addictive Effects of Opiates in CB₁ Receptor Knockout Mice, pp. 401-404

Catherine Ledent; Olga Valverde; Gregorio Cossu; François Petitet; Jean-François Aubert; Françoise Beslot; Georg A. Böhme; Assunta Imperato; Thierry Pedrazzini; Bernard P. Roques; Gilbert Vassart; Walter Fratta; Marc Parmentier

Diminishing Returns from Mutation Supply Rate in Asexual Populations, pp. 404-406

J. Arjan G. M. de Visser; Clifford W. Zeyl; Philip J. Gerrish; Jeffrey L. Blanchard; Richard E. Lenski

Back Matter (42 pp.)

Previous Issue: New Series, Vol. 283, No. 5399, Jan. 8, 1999
Next Issue: New Series, Vol. 283, No. 5401, Jan. 22, 1999

Science, New Series, Vol. 283, No. 5401, Jan. 22, 1999

Previous Issue: New Series, Vol. 283, No. 5400, Jan. 15, 1999
Next Issue: New Series, Vol. 283, No. 5402, Jan. 29, 1999

Front Matter (27 pp.)
Netwatch, p. 455

Jocelyn Kaiser

News

News of the Week

NIMH to Screen Studies for Science and Human Risks, pp. 464-465

Eliot Marshall

Ruling May Free NIH to Fund Stem Cell Studies, pp. 465+467

Eliot Marshall

El Niño Grew Strong as Cultures Were Born, pp. 467-468

Richard A. Kerr

ScienceScope, p. 467

Stunning Fossil Shows Breath of a Dinosaur, p. 468

Bernice Wuethrich

Development Blocked Near Tucson Telescopes, p. 469

Mark Muro

Diagnostic Test Scores High Marks in Study, pp. 469+471

Michael Balter

Brain Stem Cells Show Their Potential, p. 471

Evelyn Strauss

News Focus

Exploring the Proton Sea, pp. 472-474

Andrew Watson

Element 114 Lumbers into View, p. 474

Richard Stone

Rocky Mountain Rendezvous, pp. 475+477

Elizabeth Pennisi

Science Spending Keeps Rising but may Miss 5-Year Targets, p. 478

Dennis Normile

Science Hopes to Rebound in Post-Cold War Era, pp. 479-480

Andrew Lawler

New Clues to the Habits of Heavyweights, pp. 480-481

James Glanz; Robert Irion

Random Samples, p. 483

Constance Holden

Science's Compass

Editorial

Successful Priority-Setting Initiatives, p. 485

Floyd E. Bloom

Letters

Iceland's Central Database of Health Records, p. 487

Ragnheidur Haraldsdóttir

Georgetown Faculty Grievance, p. 487

Robert I. Glazer; Donald Massaro

Livestock Cloning, pp. 487-488

Robert H. Foote

Phytolith Analysis, pp. 488-489

Irwin Rovner

Science and Technology at the State Department, p. 489

Lisa R. Shaffer

Corrections and Clarifications: The Buzz on Bugs, p. 489

Science's Compass

Policy Forum

A One-Number Census: Some Related History, pp. 491-492

Tommy Wright

Books et al.

Entrancing Influences, p. 493

Mesmerized. Powers of Mind in Victorian Britain.

Alison Winter

Review author[s]: Alan Gauld

True Stories of An Imaginary Number, p. 494

An Imaginary Tale. The Story of √-1.

Paul J. Nahin

Review author[s]: Victor J. Katz

Perspectives

Diversity by Default, pp. 495-496

David Tilman

Energy on Demand, pp. 496-497

Pierre J. Magistretti; Luc Pellerin; Douglas L. Rothman; Robert G. Shulman

Spice and the Demon, pp. 498-499

Raymond W. Schmitt

Transitions in the Mid-Holocene, pp. 499-500

Daniel H. Sandweiss; Kirk A. Maasch; David G. Anderson

Review

Astrophysics on the GRAPE Family of Special-Purpose Computers, pp. 501-505

Piet Hut; Jun Makino

Research

Reports

Self-Oriented Regular Arrays of Carbon Nanotubes and Their Field Emission Properties, pp. 512-514

Shoushan Fan; Michael G. Chapline; Nathan R. Franklin; Thomas W. Tombler; Alan M. Cassell; Hongjie Dai

Pulmonary Function and Metabolic Physiology of Theropod Dinosaurs, pp. 514-516

John A. Ruben; Cristiano Dal Sasso; Nicholas R. Geist; Willem J. Hillenius; Terry D. Jones; Marco Signore

An ∼ 15,000-Year Record of El Niño-Driven Alluviation in Southwestern Ecuador, pp. 516-520

Donald T. Rodbell; Geoffrey O. Seltzer; David M. Anderson; Mark B. Abbott; David B. Enfield; Jeremy H. Newman

Nanophase-Separated Polymer Films as High-Performance Antireflection Coatings, pp. 520-522

Stefan Walheim; Erik Schäffer; Jürgen Mlynek; Ullrich Steiner

Conversion of Supramolecular Clusters to Macromolecular Objects, pp. 523-526

Eugene R. Zubarev; Martin U. Pralle; Leiming Li; Samuel I. Stupp

Compensation of Horizontal Temperature and Salinity Gradients in the Ocean Mixed Layer, pp. 526-529

Daniel L. Rudnick; Raffaele Ferrari

Transient Phase-Induced Nucleation, pp. 529-532

E. B. Sirota; A. B. Herhold

Recruitment of a Hedgehog Regulatory Circuit in Butterfly Eyespot Evolution, pp. 532-534

David N. Keys; David L. Lewis; Jane E. Selegue; Bret J. Pearson; Lisa V. Goodrich; Ronald L. Johnson; Julie Gates; Matthew P. Scott; Sean B. Carroll

Turning Brain into Blood: A Hematopoietic Fate Adopted by Adult Neural Stem Cells In vivo, pp. 534-537

Christopher R. R. Bjornson; Rodney L. Rietze; Brent A. Reynolds; M. Cristina Magli; Angelo L. Vescovi

A Tobacco Syntaxin with a Role in Hormonal Control of Guard Cell Ion Channels, pp. 537-540

Barbara Leyman; Danny Geelen; Francisco J. Quintero; Michael R. Blatt

Reciprocal Inhibitory Connections and Network Synchrony in the Mammalian Thalamus, pp. 541-543

Molly M. Huntsman; Darrell M. Porcello; Gregg E. Homanics; Timothy M. DeLorey; John R. Huguenard

Prevention of Constitutive TNF Receptor 1 Signaling by Silencer of Death Domains, pp. 543-546

Yingping Jiang; John D. Woronicz; Wei Liu; David V. Goeddel

Silencing of Genes Flanking the P1 Plasmid Centromere, pp. 546-549

Oleg Rodionov; Małgorzata Łobocka; Michael Yarmolinsky

The Role of Locus Coeruleus in the Regulation of Cognitive Performance, pp. 549-554

Marius Usher; Jonathan D. Cohen; David Servan-Schreiber; Janusz Rajkowski; Gary ASton-Jones

Light-Gap Disturbances, Recruitment Limitation, and Tree Diversity in a Neotropical Forest, pp. 554-557

S. P. Hubbell; R. B. Foster; S. T. O'Brien; K. E. Harms; R. Condit; B. Wechsler; S. J. Wright; S. Loo de Lao

Back Matter (35 pp.)

Previous Issue: New Series, Vol. 283, No. 5400, Jan. 15, 1999
Next Issue: New Series, Vol. 283, No. 5402, Jan. 29, 1999

Science, New Series, Vol. 283, No. 5402, Jan. 29, 1999

Previous Issue: New Series, Vol. 283, No. 5401, Jan. 22, 1999
Next Issue: New Series, Vol. 283, No. 5403, Feb. 5, 1999

Front Matter (29 pp.)
Netwatch, p. 599

Jocelyn Kaiser

News

News of the Week

Genomic, Nanotech Centers Open $200 Million Push by Harvard, pp. 610-611

David Malakoff

Defending Against Bugs and Bytes, pp. 611+613

Eliot Marshall

Gore Presents Plan to Spend $366 Million, pp. 613-614

Robert F. Service; David Malakoff

ScienceScope, pp. 613+615

Getting to the Bottom of Water, pp. 614-615

Alexander Hellemans

NCI Asked to Increase Focus on Minorities, pp. 615-616

Bruce Agnew

Gamma Burst Promises Celestial Reprise, p. 616

Govert Schilling

From New Phosphor, a Double Crop of Photons, p. 617

Meher Antia

Report Casts Doubt on Korean Experiment, pp. 617+619

Michael Baker

Silicon Chips Find Role as in Vivo Pharmacist, p. 619

Robert F. Service

News Focus

The Art of the Orbit, pp. 620-622

Gary Taubes

Meeting Spotlights Creatures Great and Small, pp. 623+625

Elizabeth Pennisi

The Mystery of the Migrating Galaxy Clusters, pp. 625-626

Alexander Hellemans

Videotape Brings Atoms to a Focus, pp. 626-627

Andrew Watson

Subaru Opens Up World for Japan, p. 627

Dennis Normile

Random Samples, p. 629

Constance Holden

Science's Compass

Editorial

Basic Research in China, p. 637

Zhu Lilan

Letters

Animal Rights Brochure, p. 639

L. Gabriel Navar

Shrimp and Salmon Farming, pp. 639-641

John Forster; Malcolm Beveridge; Rebecca Goldburg; Rosamond Naylor; Meryl Williams; Jason Clay; Carl Folke; Nils Kautsky; Jane Lubchenco; Harold Mooney; Jurgenne Primavera; R. Eugene Turner

The Conditional Mutator Phenotype in Human Tumor Cells: Correction, p. 641

Mark Meuth; Burt Richards; Brian Schneider

Corrections and Clarifications: Nature's Subsidies to Shrimp and Salmon Farming, p. 641

Science's Compass

Policy Forum

Interdisciplinary Research: From Belief to Reality, pp. 642-643

Norman Metzger; Richard N. Zare

Books et al.

The Fascination of Fungi, p. 644

Magical Mushrooms, Mischievous Molds.

George W. Hudler

Review author[s]: Linda M. Kohn

A Hodgepodge of Controversies, pp. 645-646

Physicists in Conflict.

Neil A. Porter

Review author[s]: Philip W. Anderson

Perspectives

Reactions on Semiconductor Surfaces, pp. 646-647

Harry E. Ruda

Water, Climate, and Life, pp. 648-649

Bruce M. Jakosky

Costimulation: Building an Immunological Synapse, pp. 649-650

Michael L. Dustin; Andrey S. Shaw

The Path to Specificity, pp. 650-651

Charles S. Zuker; Rama Ranganathan

Tech.Sight

All-in-One Sequence Analysis, pp. 652-653

MacVector 6.5.

Review author[s]: Indira Rajagopal

Research

Research Article

b-Arrestin-Dependent Formation of β₂ Adrenergic Receptor-Src Protein Kinase Complexes, pp. 655-661

L. M. Luttrell; S. S. G. Ferguson; Y. Daaka; W. E. Miller; S. Maudsley; G. J. Della Rocca; F.-T. Lin; H. Kawakatsu; K. Owada; D. K. Luttrell; M. G. Caron; R. J. Lefkowitz

Reports

"Dip-Pen" Nanolithography, pp. 661-663

Richard D. Piner; Jin Zhu; Feng Xu; Seunghun Hong; Chad A. Mirkin

Visible Quantum Cutting in LiGdF₄:Eu ³⁺ Through Downconversion, pp. 663-666

René T. Wegh; Harry Donker; Koenraad D. Oskam; Andries Meijerink

Argon-Lead Isotopic Correlation in Mid-Atlantic Ridge Basalts, pp. 666-668

Philippe Sarda; Manuel Moreira; Thomas Staudacher

Electrical Conductivity in the Precambrian Lithosphere of Western Canada, pp. 668-670

D. E. Boerner; R. D. Kurtz; J. A. Craven; G. M. Ross; F. W. Jones; W. J. Davis

Continental Drainage in North America During the Phanerozoic from Nd Isotopes, pp. 671-673

P. Jonathan Patchett; Gerald M. Ross; James D. Gleason

¹³ C-Depleted Carbon Microparticles in >3700-Ma Sea-Floor Sedimentary Rocks from West Greenland, pp. 674-676

Minik T. Rosing

Coordinated Regulation of Iron-Controlling Genes, H-Ferritin and IRP2, by c-MYC, pp. 676-679

Kou-Juey Wu; Axel Polack; Riccardo Dalla-Favera

T Lymphocyte Costimulation Mediated by Reorganization of Membrane Microdomains, pp. 680-682

Antonella Viola; Susanne Schroeder; Yoichi Sakakibara; Antonio Lanzavecchia

Transduction of Human CD34⁺ Cells That Mediate Long-Term Engraftment of NOD/SCID Mice by HIV Vectors, pp. 682-686

Hiroyuki Miyoshi; Kent A. Smith; Donald E. Mosier; Inder M. Verma; Bruce E. Torbett

Acetogenesis from H₂ Plus CO₂ by Spirochetes from Termite Guts, pp. 686-689

J. R. Leadbetter; T. M. Schmidt; J. R. Graber; J. A. Breznak

Thymidine Phosphorylase Gene Mutations in MNGIE, a Human Mitochondrial Disorder, pp. 689-692

Ichizo Nishino; Antonella Spinazzola; Michio Hirano

Immortal Time: Circadian Clock Properties of Rat Suprachiasmatic Cell Lines, pp. 693-695

David J. Earnest; Fong-Qi Liang; Matt Ratcliff; Vincent M. Cassone

Horizontal Propagation of Visual Activity in the Synaptic Integration Field of Area 17 Neurons, pp. 695-699

Vincent Bringuier; Frédéric Chavane; Larry Glaeser; Yves Frégnac

Chemical Etiology of Nucleic Acid Structure: Comparing Pentopyranosyl-(2′→4′) Oligonucleotides with RNA, pp. 699-703

M. Beier; F. Reck; T. Wagner; R. Krishnamurthy; A. Eschenmoser

Reduced Immunotoxicity and Preservation of Antibacterial Activity in a Releasable Side-Chain Carbapenem Antibiotic, pp. 703-706

Hugh Rosen; Richard Hajdu; Lynn Silver; Helmut Kropp; Karen Dorso; Joyce Kohler; Jon G. Sundelof; Joann Huber; Gail G. Hammond; Jesse J. Jackson; Charles J. Gill; Randall Thompson; Barbara A. Pelak; Jeffrey H. Epstein-Toney; George Lankas; Robert R. Wilkening; Kenneth J. Wildonger; Timothy A. Blizzard; Frank P. DiNinno; Ronald W. Ratcliffe; James V. Heck; John W. Kozarich; Milton L. Hammond

AAAS News and Notes, p. 707

Tiffany Ayers

Back Matter (41 pp.)

Previous Issue: New Series, Vol. 283, No. 5401, Jan. 22, 1999
Next Issue: New Series, Vol. 283, No. 5403, Feb. 5, 1999

Science, New Series, Vol. 283, No. 5403, Feb. 5, 1999

Previous Issue: New Series, Vol. 283, No. 5402, Jan. 29, 1999
Next Issue: New Series, Vol. 283, No. 5404, Feb. 12, 1999

Front Matter (22 pp.)
NetWatch, p. 755

Jocelyn Kaiser

News

News of the Week

Research Council Says U.S. Climate Models Can't Keep Up, pp. 766-767

Richard A. Kerr

Fruit Fly Researchers Sign Pact with Celera, p. 767

Elizabeth Pennisi

Groups Sue to Tighten Oversight of Rodents, pp. 767+769

David Malakoff

First Light for a Gamma Ray Flashbulb, pp. 769-770

Ivan Amato

ScienceScope, pp. 769+771

Govert Schilling; Judy Redfearn; Michael Balter; Alexander Hellemans

Trigger for Centrosome Replication Found, pp. 770-771

Elizabeth Pennisi

Insulator Gives Plastic Transistors a Boost, pp. 771-772

Alexander Hellemans

AIDS Virus Traced to Chimp Subspecies, pp. 772-773

Joh Cohen

Dietary Data Straight from the Horse's Mouth, p. 773

Virginia Morell

AAAS Meeting 2000

Becoming a Symbiont is in the Genes, p. 774

Evelyn Strauss

Grammar's Secret Skeleton, pp. 774-775

Kathryn S. Brown

Magnetic Cells: Stuff of Legend?, p. 775

Melissa Mertl

Fishing for Toxic Chemicals, pp. 775+777

Jocelyn Kaiser

More Questions About the Provider's Role, p. 777

Michael Hagmann

News Focus

2000 Budget Plays Favorites, pp. 778-780

David Malakoff

New Drills Augur a Great Leap Downward, pp. 781+783

Kevin Krajick

Pulsar Weather Map Shows Storms on a Strange World, pp. 783-784

James Glanz

New Minister on a Mission to Modernize, pp. 784-785

Robert Koenig

Random Samples, p. 787

Constance Holden

Science's Compass

Editorial

The Importance of Reviewers, p. 789

Floyd E. Bloom

Letters

Disappearing Physician-Scientists, pp. 791-792

William R. Brinkley; Ajit Varki

Origin and Ancestor: Separate Environments, p. 792

Gustaf Arrhenius; Jeffrey L. Bada; Gerald F. Joyce; Antonio Lazcano; Stanley Miller; Leslie E. Orgel

Health Care Costs, pp. 792-794

Spyros Andreopoulos; Herbert Pardes; Kenneth G. Manton; Eric S. Lander; Arthur Ullian; H. Dennis Tolley; Hans Palmer

The Cosmological Constant, p. 794

S. J. Goldstein Jr.; James Glanz

Analyzing Solitaire, pp. 794-795

Chris Kuykendall; Dana Mackenzie

Corrections and Clarifications: Induction and Evasion of Host Defenses by Type 1-Piliated Uropathogenic Escherichia coli, p. 795

Science's Compass

Policy Forum

Aging in the Third Millennium, pp. 796-797

Edward L. Schneider

Books et al.

Humans Really are Different, pp. 798-799

Three Seductive Ideas.

Jerome Kagan

Review author[s]: Richard A. Shweder

A View from Switzerland, p. 799

Master Control Genes in Development and Evolution. The Homeobox Story.

Walter J. Gehring

Review author[s]: Claude Desplan

Perspectives

A New Look at the Jovian Planets, pp. 800-801

Bruno Bézard; Thé rè se Encrenaz; Emmanuel Lellouch; Helmut Feuchtgruber

The Plankton and the Planet, pp. 801-802

Conrad W. Mullineaux

With a Little Help from the Host, pp. 802-804

James H. Strauss; Ellen G. Strauss

Holey and Unholey Semiconductors, pp. 804-805

Terry M. Tritt

Review

Population Biology, Evolution, and Infectious Disease: Convergence and Synthesis, pp. 806-809

Bruce R. Levin; Marc Lipsitch; Sebastian Bonhoeffer

Research

Research Article

Solar Wind Outflow and the Chromospheric Magnetic Network, pp. 810-813

Donald M. Hassler; Ingolf E. Dammasch; Philippe Lemaire; På l Brekke; Werner Curdt; Helen E. Mason; Jean-Claude Vial; Klaus Wilhelm

Reports

Asymmetric Scattering of Polarized Electrons by Organized Organic Films of Chiral Molecules, pp. 814-816

K. Ray; S. P. Ananthavel; D. H. Waldeck; R. Naaman

Self-Assembly of Flat Nanodiscs in Salt-Free Catanionic Surfactant Solutions, pp. 816-819

Th. Zemb; M. Dubois; B. Demé; Th. Gulik-Krzywicki

A Tenuous Carbon Dioxide Atmosphere on Jupiter's Moon Callisto, pp. 820-821

Robert W. Carlson

Low-Voltage Organic Transistors on Plastic Comprising High-Dielectric Constant Gate Insulators, pp. 822-824

C. D. Dimitrakopoulos; S. Purushothaman; J. Kymissis; A. Callegari; J. M. Shaw

Ancient Diets, Ecology, and Extinction of 5-Million-Year-Old Horses from Florida, pp. 824-827

Bruce J. MacFadden; Nikos Solounias; Thure E. Cerling

¹⁶ O Excesses in Olivine Inclusions in Yamato-86009 and Murchison Chondrites and Their Relation to CAIs, pp. 828-831

Hajime Hiyagon; Akihiko Hashimoto

Elongation of Oligopeptides in a Simulated Submarine Hydrothermal System, pp. 831-833

Ei-ichi Imai; Hajime Honda; Kuniyuki Hatori; André Brack; Koichiro Matsuno

Oligomeric Structure of the Human EphB2 Receptor SAM Domain, pp. 833-836

Christopher D. Thanos; Kenneth E. Goodwill; James U. Bowie

Single-Channel Recording of a Store-Operated Ca ²⁺ Channel in Jurkat T Lymphocytes, pp. 836-839

Hubert H. Kerschbaum; Michael D. Cahalan

Widespread Iron Limitation of Phytoplankton in the South Pacific Ocean, pp. 840-843

Michael J. Behrenfeld; Zbigniew S. Kolber

The Dynamics of Zooxanthellae Populations: A Long-Term Study in the Field, pp. 843-845

I. Fagoonee; H. B. Wilson; M. P. Hassell; J. R. Turner

Dependence of Human Stem Cell Engraftment and Repopulation of NOD/SCID Mice on CXCR4, pp. 845-848

Amnon Peled; Isabelle Petit; Orit Kollet; Michal Magid; Tanya Ponomaryov; Tamara Byk; Arnon Nagler; Herzl Ben-Hur; Ariel Many; Leonard Shultz; Ofer Lider; Ronen Alon; Dov Zipori; Tsvee Lapidot

CD3- and CD28-Dependent Induction of PDE7 Required for T Cell Activation, pp. 848-851

Linsong Li; Cassian Yee; Joseph A. Beavo

Requirement of Cdk2-Cyclin E Activity for Repeated Centrosome Reproduction in Xenopus Egg Extracts, pp. 851-854

Edward H. Hinchcliffe; Chuan Li; Elizabeth A. Thompson; James L. Maller; Greenfield Sluder

Mycolactone: A Polyketide Toxin from Mycobacterium ulcerans Required for Virulence, pp. 854-857

Kathleen M. George; Delphi Chatterjee; Geewananda Gunawardana; Diane Welty; John Hayman; Richard Lee; P. L. C. Small

Control of Viremia in Simian Immunodeficiency Virus Infection by CD8⁺ Lymphocytes, pp. 857-860

Jörn E. Schmitz; Marcelo J. Kuroda; Sampa Santra; Vito G. Sasseville; Meredith A. Simon; Michelle A. Lifton; Paul Racz; Klara Tenner-Racz; Margaret Dalesandro; Bernhard J. Scallon; John Ghrayeb; Meryl A. Forman; David C. Montefiori; E. Peter Rieber; Norman L. Letvin; Keith A. Reimann

Back Matter (32 pp.)

Previous Issue: New Series, Vol. 283, No. 5402, Jan. 29, 1999
Next Issue: New Series, Vol. 283, No. 5404, Feb. 12, 1999

Science, New Series, Vol. 283, No. 5404, Feb. 12, 1999

Previous Issue: New Series, Vol. 283, No. 5403, Feb. 5, 1999
Next Issue: New Series, Vol. 283, No. 5405, Feb. 19, 1999

Front Matter (28 pp.)
Netwatch, p. 899

Jocelyn Kaiser

News

News of the Week

French AIDS Research Pioneers to Testify in Trial of Ministers, pp. 910-911

Michael Balter

Cooking Up Sugar Chains in a Hurry, pp. 911+913

Robert F. Service

Investigations on Trial in a Texas Court, pp. 913-914

Eliot Marshall

ScienceScope, pp. 913+915

New Telescope Will Turn a Keen Ear on E.T., p. 914

Donald Goldsmith

Plan for Divulging Raw Data Eases Fears, pp. 914-915

Jocelyn Kaiser

Black Sea Flood Theory to be Tested, pp. 915-916

Richard Stone

Cheap Treatment Cuts HIV Transmission, pp. 916-917

Jon Cohen

MIT's Bates Lab Gets Sudden Reprieve, p. 917

Jeffrey Mervis

SOHO Learns the Cruder Arts of Navigation, pp. 917+919

Alexander Hellemans

Red Tape Entangles Small Satellite, p. 919

David Malakoff

News Focus

New Light on the Oldest Art, pp. 920-922

Michael Balter; Virginia Morell

How Dark Matter Became an Unlikely Media Star, p. 923

James Glanz

Environmental Researchers Wait Anxiously for Salvation, p. 924

Annika Nilsson; Joanna Rose

Mathematicians Offer Answers to Everyday Conundrums, pp. 925+927

Barry Cipra

Search for Neutrino Mass is Big Stretch for Three Labs, pp. 928-929

Dennis Normile

Researchers Ready for the Plunge Into Deep Water, p. 929

Richard Stone

Random Samples, p. 931

Constance Holden

Science's Compass

Editorial

Census 2000-Science Meets Politics, p. 935

Kenneth Prewitt

Letters

Pluto's Planetary Status, p. 937

Robert L. Millis; Richard P. Binzel; Joseph A. Burns; Dale P. Cruikshank; William B. McKinnon; Karen J. Meech; S. Alan Stern; Govert Schilling

Animal Rights Review, p. 938

Review author[s]: F. Barbara Orlans; Tom L. Beauchamp; Rebecca Dresser; David B. Morton; John P. Gluck

Perfect Mirrors, Past and Present, pp. 938-939

James W. Seeser; Charles K. Carniglia; Jonathan P. Dowling

Brown Dwarf Origins, pp. 939-940

Ralph Neuhaeuser

Scientific Responsibility in Global Climate Change Research, pp. 940-941

S. Ichtiaque Rasool

Corrections and Clarifications: The Mystery of the Migrating Galaxy Clusters, p. 941
Corrections and Clarifications: Animal Rights Brochure, p. 941
Corrections and Clarifications: Georgetown Faculty Grievance, p. 941
Corrections and Clarifications: Warm, Warm on the Range, p. 941
Corrections and Clarifications: Measuring the Spin Polarization of a Metal with a Superconducting Point Contact, p. 941

Science's Compass

Books et al.

Whale Origins-Conquering the Seas, p. 943

The Emergence of Whales. Evolutionary Patterns in the Origin of Cetacea.

J. G. M. Thewissen

Review author[s]: John E. Heyning

Heart-Making Details, pp. 943-944

Heart Development.

Richard P. Harvey; Nadia Rosenthal

Review author[s]: Lewis Wolpert

Perspectives

Turtle Origins, pp. 945-946

Olivier Rieppel

Making Polymers from Carbon Dioxide, pp. 946-947

Eric J. Beckman

Unlimited Mileage from Telomerase?, pp. 947-949

Titia de Lange; Ronald A. DePinho

The North Atlantic Oscillation, pp. 948-949

Julia Uppenbrink

Review

Genesis and Evolution of the 1997-98 El Niño, pp. 950-954

Michael J. McPhaden

Research

Reports

Mechanism of Zeolite a Nanocrystal Growth from Colloids at Room Temperature, pp. 958-960

Svetlana Mintova; Norman H. Olson; Valentin Valtchev; Thomas Bein

Giant Wormlike Rubber Micelles, pp. 960-963

You-Yeon Won; H. Ted Davis; Frank S. Bates

Ordered Mesoporous Polymers of Tunable Pore Size from Colloidal Silica Templates, pp. 963-965

Stacy A. Johnson; Patricia J. Ollivier; Thomas E. Mallouk

Dislocations Faster Than the Speed of Sound, pp. 965-968

Peter Gumbsch; Huajian Gao

Chemical Analysis of Polar Stratospheric Cloud Particles, pp. 968-970

Jochen Schreiner; Christiane Voigt; Andreas Kohlmann; Frank Arnold; Konrad Mauersberger; Niels Larsen

A 0.5-Million-Year Record of Millennial-Scale Climate Variability in the North Atlantic, pp. 971-975

Jerry F. McManus; Delia W. Oppo; James L. Cullen

A Kuroko-Type Polymetallic Sulfide Deposit in a Submarine Silicic Caldera, pp. 975-977

K. Lizasa; R. S. Fiske; O. Ishizuka; M. Yuasa; J. Hashimoto; J. Ishibashi; J. Naka; Y. Horii; Y. Fujiwara; A. Imai; S. Koyama

A Giant Protease with Potential to Substitute for Some Functions of the Proteasome, pp. 978-981

Elke Geier; Günter Pfeifer; Matthias Wilm; Maria Lucchiari-Hartz; Wolfgang Baumeister; Klaus Eichmann; Gabriele Niedermann

Role of NADH Shuttle System in Glucose-Induced Activation of Mitochondrial Metabolism and Insulin Secretion, pp. 981-985

Kazuhiro Eto; Yoshiharu Tsubamoto; Yasuo Terauchi; Takuya Sugiyama; Takuya Kishimoto; Noriko Takahashi; Naoko Yamauchi; Naoto Kubota; Shigeo Murayama; Toru Aizawa; Yasuo Akanuma; Shinichi Aizawa; Haruo Kasai; Yoshio Yazaki; Takashi Kadowaki

Conserved Structures of Mediator and RNA Polymerase II Holoenzyme, pp. 985-987

Francisco J. Asturias; Yi Wei Jiang; Lawrence C. Myers; Claes M. Gustafsson; Roger D. Kornberg

Crystallographic Evidence for Preformed Dimers of Erythropoietin Receptor Before Ligand Activation, pp. 987-990

Oded Livnah; Enrico A. Stura; Steven A. Middleton; Dana L. Johnson; Linda K. Jolliffe; Ian A. Wilson

Erythropoietin Receptor Activation by a Ligand-Induced Conformation Change, pp. 990-993

Ingrid Remy; Ian A. Wilson; Stephen W. Michnick

Hunting Behavior of a Marine Mammal Beneath the Antarctic Fast Ice, pp. 993-996

R. W. Davis; L. A. Fuiman; T. M. Williams; S. O. Collier; W. P. Hagey; S. B. Kanatous; S. Kohin; M. Horning

A Copper Cofactor for the Ethylene Receptor ETR1 from Arabidopsis, pp. 996-998

Fernando I. Rodríguez; Jeffrey J. Esch; Anne E. Hall; Brad M. Binder; G. Eric Schaller; Anthony B. Bleecker

A Molecular Phylogeny of Reptiles, pp. 998-1001

S. Blair Hedges; Laura L. Poling

Efficient Bypass of a Thymine-Thymine Dimer by Yeast DNA Polymerase, Polη, pp. 1001-1004

Robert E. Johnson; Satya Prakash; Louise Prakash

Back Matter (68 pp.)

Previous Issue: New Series, Vol. 283, No. 5403, Feb. 5, 1999
Next Issue: New Series, Vol. 283, No. 5405, Feb. 19, 1999

Science, New Series, Vol. 283, No. 5405, Feb. 19, 1999

Previous Issue: New Series, Vol. 283, No. 5404, Feb. 12, 1999
Next Issue: New Series, Vol. 283, No. 5406, Feb. 26, 1999

Front Matter (22 pp.)
NetWatch, p. 1079

Jocelyn Kaiser

News

News of the Week

Researchers Urged Not to Inject Virulent HIV Strain Into Chimps, pp. 1090-1091

Jon Cohen

Baylor Saga Comes to an End, p. 1091

Jocelyn Kaiser

A Gene That Scrambles Your Heart, pp. 1091+1093

Michael Hagmann

Virus Suspect Identified in Elephant Deaths, pp. 1093-1094

Dan Ferber

ScienceScope, pp. 1093+1095

Preliminary Data Touch Off Genetic Food Fight, pp. 1094-1095

Martin Enserink

Superheavy Particles from the Big Bang?, pp. 1095-1096

James Glanz

Efforts to Evaluate R&D Found Wanting, pp. 1096-1097

Jeffrey Mervis

New Interface Makes Virtual World Tangible, pp. 1097+1099

Joseph Alper

Planned Chiropractic Merger Riles Faculty, p. 1099

Wayne Kondro

News Focus

From Junk Bond King to Cancer Crusader, pp. 1100-1103

Erik Stokstad

To Mars, En Masse, pp. 1103-1104

Oliver Morton

DNA Sequences Provide Grist for Microbiologists, pp. 1105-1106

Elizabeth Pennisi

Could Charge Stripes be a Key to Superconductivity?, pp. 1106-1108

Robert F. Service

Big El Niños Ride the Back of Slower Climate Change, pp. 1108-1109

Richard A. Kerr

Random Samples, p. 1111

Constance Holden

Science's Compass

Editorial

Public Access to Data, p. 1114

Mark S. Frankel

Letters

Reviewing Interdisciplinary Research, p. 1115

James S. Kane

Future Food, pp. 1115-1116

Alan H. Goldstein; Peter J. Porpiglia; Lee D. Hansen; Bruce N. Smith; Richard S. Criddle

Women in Biological Sciences, pp. 1116-1117

Mark E. Siddall

Virulent HIV Strains, Chimpanzees, and Trial Vaccines, pp. 1117-1118

Alfred M. Prince; Jonathan Allan; Linda Andrus; Betsy Brotman; Jorg Eichberg; Roger Fouts; Jane Goodall; Preston Marx; Krishna K. Murthy; Shirley McGreal; Carole Noon

Coping with the DAS in Science, p. 1118

William D. Romey

Kaposi's Sarcoma: Correction, p. 1118

Robert C. Gallo

Corrections and Clarifications: Random Samples, p. 1118
Corrections and Clarifications: Eastern Europe's Research Gamble, p. 1118
Corrections and Clarifications: Immunotherapy of Tumors with Autologous Tumor-Derived Heat Shock Protein Preparations, p. 1118

Science's Compass

Policy Forum

Maintaining a Nuclear Deterrent Under the Test Ban Treaty, pp. 1119-1120

Sidney Drell; Raymond Jeanloz; Bob Peurifoy

Books et al.

A High Point for Evolution, p. 1121

Evolving Brains.

John Morgan Allman

Review author[s]: Terrence J. Sejnowski

Infintesimal Steps, p. 1122

Reasoning with the Infinite. From the Closed World to the Mathematical Universe.

Michel Blay

Review author[s]: Joseph W. Dauben

Perspectives

Molecules on a Space Odyssey, pp. 1123-1124

Pascale Ehrenfreund

T Cells and Dendritic Cells Get Intimate, pp. 1124-1125

Kim Bottomly

Prospects for Giant Pores, pp. 1125-1126

Gérard Férey; Anthony K. Cheetham

Brain, Heal Thyself, pp. 1126-1127

Daniel H. Lowenstein; Jack M. Parent

Tech.Sight

MaRX: An Approach to Genetics in Mammalian Cells, pp. 1129-1130

Gregory J. Hannon; Peiqing Sun; Amancio Carnero; Lin Ying Xie; Roberta Maestro; Douglas S. Conklin; David Beach

Looking Good from This Window, pp. 1131-1132

Clampex 7.0.

Review author[s]: Kathy E. Mitchell; Bruce D. Schultz

Protein Structure at Your Desk, p. 1132

Peptool.

Review author[s]: Beth Basham

Techsighting, pp. 1133-1134

Richard Peters; Robert Sikorski; Darryl Nishimura

Research

Reports

UV Irradiation of Polycyclic Aromatic Hydrocarbons in Ices: Production of Alcohols, Quinones, and Ethers, pp. 1135-1138

Max P. Bernstein; Scott A. Sandford; Louis J. Allamandola; J. Seb Gillette; Simon J. Clemett; Richard N. Zare

Magma Flow Instability and Cyclic Activity at Soufriere Hills Volcano, Montserrat, British West Indies, pp. 1138-1142

B. Voight; R. S. J. Sparks; A. D. Miller; R. C. Stewart; R. P. Hoblitt; A. Clarke; J. Ewart; W. P. Aspinall; B. Baptie; E. S. Calder; P. Cole; T. H. Druitt; C. Hartford; R. A. Herd; P. Jackson; A. M. Lejeune; A. B. Lockhart; S. C. Loughlin; R. Luckett; L. Lynch; G. E. Norton; R. Robertson; I. M. Watson; R. Watts; S. R. Young

Cristobalite in Volcanic Ash of the Soufriere Hills Volcano, Montserrat, British West Indies, pp. 1142-1145

P. J. Baxter; C. Bonadonna; R. Dupree; V. L. Hards; S. C. Kohn; M. D. Murphy; A. Nichols; R. A. Nicholson; G. Norton; A. Searl; R. S. J. Sparks; B. P. Vickers

Supertetrahedral Sulfide Crystals with Giant Cavities and Channels, pp. 1145-1147

Hailian Li; Aaron Laine; M. O'Keeffe; O. M. Yaghi

A Chemically Functionalizable Nanoporous Material [Cu₃(TMA)₂(H₂O)₃]_n, pp. 1148-1150

Stephen S.-Y. Chui; Samuel M.-F. Lo; Jonathan P. H. Charmant; A. Guy Orpen; Ian D. Williams

Direct Evidence for R^- Rotons Having Antiparallel Momentum and Velocity, pp. 1150-1152

M. A. H. Tucker; A. F. G. Wyatt

A Processive Single-Headed Motor: Kinesin Superfamily Protein KIF1A, pp. 1152-1157

Yasushi Okada; Nobutaka Hirokawa

A Molecular Pathway Revealing a Genetic Basis for Human Cardiac and Craniofacial Defects, pp. 1158-1161

Hiroyuki Yamagishi; Vidu Garg; Rumiko Matsuoka; Tiffani Thomas; Deepak Srivastava

Regulation of Chamber-Specific Gene Expression in the Developing Heart by Irx4, pp. 1161-1164

Zheng-Zheng Bao; Benoit G. Bruneau; J. G. Seidman; Christine E. Seidman; Constance L. Cepko

Nonmethylated Transposable Elements and Methylated Genes in a Chordate Genome, pp. 1164-1167

Martin W. Simmen; Sabine Leitgeb; Jillian Charlton; Steven J. M. Jones; Barbara R. Harris; Victoria H. Clark; Adrian Bird

A Computational Screen for Methylation Guide snoRNAs in Yeast, pp. 1168-1171

Todd M. Lowe; Sean R. Eddy

Novel Endotheliotropic Herpesviruses Fatal for Asian and African Elephants, pp. 1171-1176

Laura K. Richman; Richard J. Montali; Richard L. Garber; Melissa A. Kennedy; John Lehnhardt; Thomas Hildebrandt; Dennis Schmitt; Douglas Hardy; Donald J. Alcendor; Gary S. Hayward

Three-Dimensional Structure of a Recombinant Gap Junction Membrane Channel, pp. 1176-1180

Vinzenz M. Unger; Nalin M. Kumar; Norton B. Gilula; Mark Yeager

Regulation of Neurotrophin-3 Expression by Epithelial-Mesenchymal Interactions: The Role of Wnt Factors, pp. 1180-1183

Ardem Patapoutian; Carey Backus; Andreas Kispert; Louis F. Reichardt

Reciprocal Control of T Helper Cell and Dendritic Cell Differentiation, pp. 1183-1186

Marie-Clotilde Rissoan; Vassili Soumelis; Norimitsu Kadowaki; Geraldine Grouard; Francine Briere; René de Waal Malefyt; Yong-Jun Liu

Back Matter (30 pp.)

Previous Issue: New Series, Vol. 283, No. 5404, Feb. 12, 1999
Next Issue: New Series, Vol. 283, No. 5406, Feb. 26, 1999

Science, New Series, Vol. 283, No. 5406, Feb. 26, 1999

Previous Issue: New Series, Vol. 283, No. 5405, Feb. 19, 1999
Next Issue: New Series, Vol. 283, No. 5407, Mar. 5, 1999

Front Matter (46 pp.)
Netwatch, p. 1223

Jocelyn Kaiser

News

News of the Week

Bioterror Defense Initiative Injects Shot of Cash, pp. 1234-1235

Eliot Marshall

Yucca Mountain Panel Says DOE Lacks Data, pp. 1235+1237

Richard A. Kerr

Stress Profiling Gets the Best Out of Glass, pp. 1237-1238

Alexander Hellemans

ScienceScope, p. 1237

Chlamydia Protein Linked to Heart Disease, pp. 1238-1239

Trisha Gura

Fruit Fly Odor Receptors Found, p. 1239

Elizabeth Pennisi

Kennewick Man Gets His Day in the Lab, pp. 1239-1240

Constance Holden

Culture Collections Seek Global Help, pp. 1240-1241

Dennis Normile

Health Research Gets Fundamental Overhaul, p. 1241

Wayne Kondro

First Food-Borne Pathogen Sequenced, p. 1243

Elizabeth Pennisi

News Focus

Death by the Numbers, pp. 1244-1247

David Kestenbaum

New Clues to How Proteins Link Up to Run the Cell, pp. 1247+1249

Marcia Barinaga

Behind the Headlines of Endostatin's Ups and Downs, pp. 1250-1251

Jon Cohen

China's Science Reforms: The View from the Top, pp. 1252-1253

Dennis Normile; Xiong Lei

Random Samples, p. 1255

Constance Holden

Science's Compass

Editorial

Experimental Technology, p. 1263

Philip H. Abelson

Letters

Johns Hopkins Plagiarism Policies, p. 1265

Edward D. Miller

Phytolith Morphology, pp. 1265-1266

Dolores R. Piperno; Deborah M. Pearsall; Robert A. Benfer Jr.; Lisa Kealhofer; Zhijun Zhao; Qinhua Jiang

A Small Misconception, pp. 1266-1267

Jeff Severinghaus; Wallace S. Broecker

Green Revolutions, p. 1267

Bret D. Elderd; Timothy Vos; Marc Los Huertos; Archie R. Portis Jr.; Xing-Hai Zhang

A Dark Particle?, pp. 1267-1268

Alessandro Bottino

Recovering Seveso, pp. 1268-1269

Silvia Garagna; P. G. Rubini; C. A. Redi; M. Zuccotti; A. Meriggi; R. Fanelli; S. Facchetti

Corrections and Clarifications: Irish Lass Invents Crypto Code, p. 1269

Science's Compass

Books et al.

Enough Remains to Work with, p. 1271

The Adequacy of the Fossil Record.

Stephen K. Donovan; Christopher R. C. Paul

Review author[s]: Tomasz K. Baumiller

Perspectives

Communication Goes Multimodal, pp. 1272-1273

Sarah Partan; Peter Marler

Solving the Aerosol Puzzle, pp. 1273+1275

Jeffrey T. Kiehl

A Slippery Problem with Explosive Consequences, pp. 1275-1276

Frank Spera

A Gender Gap in Autoimmunity, pp. 1277-1278

Caroline C. Whitacre; Stephen C. Reingold; Patricia A. O'Looney

Review

The Looming Threat of Bioterrorism, pp. 1279-1282

Donald A. Henderson

Research

Reports

Condensation of Carbon in Radioactive Supernova Gas, pp. 1290-1292

Donald D. Clayton; Weihong Liu; Alexander Dalgarno

A Semiconductor-Based Photonic Memory Cell, pp. 1292-1295

S. Zimmermann; A. Wixforth; J. P. Kotthaus; W. Wegscheider; M. Bichler

Crack Arrest and Multiple Cracking in Glass Through the Use of Designed Residual Stress Profiles, pp. 1295-1297

D. J. Green; R. Tandon; V. M. Sglavo

High-Resolution Water Vapor Mapping from Interferometric Radar Measurements, pp. 1297-1299

Ramon F. Hanssen; Tammy M. Weckwerth; Howard A. Zebker; Roland Klees

Tropospheric Aerosol Climate Forcing in Clear-Sky Satellite Observations Over the Oceans, pp. 1299-1303

J. M. Haywood; V. Ramaswamy; B. J. Soden

Lu-Hf Isotope Systematics of Garnet Pyroxenites from Beni Bousera, Morocco: Implications for Basalt Origin, pp. 1303-1306

Janne Blichert-Toft; Francis Albarède; Jacques Kornprobst

Seismic Evidence for a Detached Indian Lithosperic Mantle Beneath Tibet, pp. 1306-1309

G. Kosarev; R. Kind; S. V. Sobolev; X. Yuan; W. Hanka; S. Oreshin

Evolutionary and Preservational Constraints on Origins of Biologic Groups: Divergence Times of Eutherian Mammals, pp. 1310-1314

Mike Foote; John P. Hunter; Christine M. Janis; J. John Sepkoski Jr.

The Density of Hydrous Magmatic Liquids, pp. 1314-1317

Frederick A. Ochs III; Rebecca A. Lange

Convergence of Transforming Growth Factor-β and Vitamin D Signaling Pathways on SMAD Transcriptional Coactivators, pp. 1317-1321

Junn Yanagisawa; Yasuo Yanagi; Yoshikazu Masuhiro; Miyuki Suzawa; Michiko Watanabe; Kouji Kashiwagi; Takeshi Toriyabe; Masahiro Kawabata; Kohei Miyazono; Shigeaki Kato

p53- and ATM-Dependent Apoptosis Induced by Telomeres Lacking TRF2, pp. 1321-1325

Jan Karlseder; Dominique Broccoli; Yumin Dai; Stephen Hardy; Titia de Lange

Function of WW Domains as Phosphoserine- or Phosphothreonine-Binding Modules, pp. 1325-1328

Pei-Jung Lu; Xiao Zhen Zhou; Minhui Shen; Kun Ping Lu

Facilitation of Signal Onset and Termination by Adenylyl Cyclase, pp. 1328-1331

Klaus Scholich; Jason B. Mullenix; Claus Wittpoth; Helen M. Poppleton; Sandra C. Pierre; Margaret A. Lindorfer; James C. Garrison; Tarun B. Patel

Resolution of a Signal Transfer Region from a General Binding Domain in Gβ for Stimulation of Phospholipase C-β2, pp. 1332-1335

Elizabeth Buck; Jinrong Li; Yibang Chen; Gezhi Weng; Suzanne Scarlata; Ravi Iyengar

Chlamydia Infections and Heart Disease Linked Through Antigenic Mimicry, pp. 1335-1339

Kurt Bachmaier; Nikolaus Neu; Luis M. de la Maza; Sukumar Pal; Andrew Hessel; Josef M. Penninger

Prion Domain Initiation of Amyloid Formation In vitro from Native Ure2p, pp. 1339-1343

Kimberly L. Taylor; Naiqian Cheng; Robert W. Williams; Alasdair C. Steven; Reed B. Wickner

A Glial-Neuronal Signaling Pathway Revealed by Mutations in a Neurexin- Related Protein, pp. 1343-1345

Li-Lian Yuan; Barry Ganetzky

AAAS News and Notes, p. 1355

Tiffany Ayers

Back Matter (49 pp.)

Previous Issue: New Series, Vol. 283, No. 5405, Feb. 19, 1999
Next Issue: New Series, Vol. 283, No. 5407, Mar. 5, 1999

Science, New Series, Vol. 283, No. 5407, Mar. 5, 1999

Previous Issue: New Series, Vol. 283, No. 5406, Feb. 26, 1999
Next Issue: New Series, Vol. 283, No. 5408, Mar. 12, 1999

Front Matter (34 pp.)
Netwatch, p. 1411

Jocelyn Kaiser

News

News of the Week

Physics Prize Falls Foul of Middle East Politics, pp. 1422-1423

Michael Balter

New Clues Found to Diabetes and Obesity, pp. 1423+1425

Dan Ferber

Sciencescope, pp. 1425+1427

Genetic Clues Revise View of Japanese Roots, pp. 1426-1427

Dennis Normile

Chinese Journals Pledge Crackdown, p. 1427

Justin Wang

Surprising Asymmetry Seen in Kaon Decays, p. 1428

James Glanz

Panel Backs Next-Generation Synchrotron, pp. 1428-1429

Robert F. Service

Entangled Trio to Put Nonlocality to the Test, p. 1429

Andrew Watson

Big Increase Seen as Answer to Sanctions, pp. 1429+1431

Pallava Bagla

Patients Scarce in Test of Long-Term Therapy, p. 1431

Eliot Marshall

News Focus

Harnessing the Power of Stem Cells, pp. 1432-1434

Gretchen Vogel

A Man in a Hurry, pp. 1434-1435

Joseph Alper

Can Mitochondrial Clocks Keep Time?, pp. 1435+1437-1438

Evelyn Strauss

Y Chromosomes Point to Native American Adam, pp. 1439-1440

Diego Hurtado de Mendoza; Ricardo Braginski

Taking Global Warming to The People, pp. 1440-1441

Kathryn S. Brown

Claude Allègre: Back to the Wall, but Still Fighting, pp. 1442-1443

Claude Allègre; Michael Balter

Random Samples, p. 1445

Constance Holden

Science's Compass

Editorial

A Media Uncertainty Principle, p. 1453

Barbara Jasny; R. Brooks Hanson; Floyd E. Bloom

Letters

Physician-Scientists at Risk, pp. 1455-1456

Don Rockey; Jerry Sobieraj; Erwin B. Montgomery Jr.; Oliver G. Cameron

Erect Leaves and Photosynthesis in Rice, pp. 1456-1457

Thomas R. Sinclair; John E. Sheehy

Einstein's "Kyoto Lecture": The Michelson-Morley Experiment, pp. 1457-1458

Ryoichi Itagaki

Arsenic and Drinking Water Contamination, pp. 1458-1459

Tom W. Gebel

Crystal-Growing in Space, p. 1459

Alexander McPherson; Larry DeLucas

Corrections and clarifications: Water, Climate, and Life, p. 1459

Science's Compass

Essays on Science and Society

Ritual Abuse, Hot Air, and Missed Opportunities, pp. 1461-1463

Michael Crichton

Books et al

Shifting the Spotlight from Center Stage, p. 1464

Women's Science Learning and Succeeding from the Margins

Margaret A. Eisenhart; Elizabeth Finkel

Review author[s]: Jill Shapiro

Perspectives

Exon Shuffling in Retrospect, pp. 1465+1467

Tom Eickbush

Ultrafast Glimpses at Water and Ice, pp. 1467-1468

Edwin J. Heilweil

Putting Stem Cells to Work, pp. 1468-1470

Davor Solter; John Gearhart

A Message from Warmer Times, pp. 1470-1471

Matthew P. Golombek

Mitochondria

[Introduction], p. 1475

Paula A. Kiberstis

Reviews

Mitochondrial Evolution, pp. 1476-1481

Michael W. Gray; Gertraud Burger; B. Franz Lang

Mitochondrial Diseases in Man and Mouse, pp. 1482-1488

Douglas C. Wallace

Oxidative Phosphorylation at the fin de siècle, pp. 1488-1493

Matti Saraste

The Machinery of Mitochondrial Inheritance and Behavior, pp. 1493-1497

Michael P. Yaffe

Research

Research Article

A Glycyl Radical Site in the Crystal Structure of a Class III Ribonucleotide Reductase, pp. 1499-1504

Derek T. Logan; Jessica Andersson; Britt-Marie Sjöberg; Pär Nordlund

Reports

Controlling the Morphology of Amorphous Solid Water, pp. 1505-1507

K. P. Stevenson; Greg A. Kimmel; Z. Dohnálek; R. Scott Smith; Bruce D. Kay

Semimajor Axis Mobility of Asteroidal Fragments, pp. 1507-1510

Paolo Farinella; David Vokrouhlický

Quartzlike Carbon Dioxide: An Optically Nonlinear Extended Solid at High Pressures and Temperatures, pp. 1510-1513

V. Iota; C. S. Yoo; H. Cynn

Electrostatic Deflections and Electromechanical Resonances of Carbon Nanotubes, pp. 1513-1516

Philippe Poncharal; Z. L. Wang; Daniel Ugarte; Walt A. de Heer

An Elusive Blind-Thrust Fault Beneath Metropolitan Los Angeles, pp. 1516-1518

John H. Shaw; Peter M. Shearer

Evolution of the Continents and the Atmosphere Inferred from Th-U-Nb Systematics of the Depleted Mantle, pp. 1519-1522

Kenneth D. Collerson; Balz S. Kamber

Rapid Thinning of Parts of the Southern Greenland Ice Sheet, pp. 1522-1524

W. Krabill; E. Frederick; S. Manizade; C. Martin; J. Sonntag; R. Swift; R. Thomas; W. Wright; J. Yungel

A Functional Model for O-O Bond Formation by the O₂-Evolving Complex in Photosystem II, pp. 1524-1527

Julian Limburg; John S. Vrettos; Louise M. Liable-Sands; Arnold L. Rheingold; Robert H. Crabtree; Gary W. Brudvig

Episodic Fluctuations in Larval Supply, pp. 1528-1530

Paul A. Dixon; Maria J. Milicich; George Sugihara

Exon Shuffling by L1 Retrotransposition, pp. 1530-1534

John V. Moran; Ralph J. DeBerardinis; Haig H. Kazazian Jr.

Adhesive and Mammalian Transglutaminase Substrate Properties of Candida albicans Hwp 1, pp. 1535-1538

Janet F. Staab; Steven D. Bradway; Paul L. Fidel; Paula Sundstrom

The Predictive Value of Changes in Effective Connectivity for Human Learning, pp. 1538-1541

C. Büchel; J. T. Coull; K. J. Friston

Cytokinin Activation of Arabidopsis Cell Division through a D-Type Cyclin, pp. 1541-1544

Catherine Riou-Khamlichi; Rachael Huntley; Annie Jacqmard; James A. H. Murray

Increased Insulin Sensitivity and Obesity Resistance in Mice Lacking the Protein Tyrosine Phosphatase-1B Gene, pp. 1544-1548

Mounib Elchebly; Paul Payette; Eva Michaliszyn; Wanda Cromlish; Susan Collins; Ailsa Lee Loy; Denis Normandin; Alan Cheng; Jean Himms-Hagen; Chi-Chung Chan; Chidambaram Ramachandran; Michael J. Gresser; Michel L. Tremblay; Brian P. Kennedy

Back Matter (44 pp.)

Previous Issue: New Series, Vol. 283, No. 5406, Feb. 26, 1999
Next Issue: New Series, Vol. 283, No. 5408, Mar. 12, 1999

Science, New Series, Vol. 283, No. 5408, Mar. 12, 1999

Previous Issue: New Series, Vol. 283, No. 5407, Mar. 5, 1999
Next Issue: New Series, Vol. 283, No. 5409, Mar. 19, 1999

Front Matter (39 pp.)
Netwatch, p. 1599

Jocelyn Kaiser

News

News of the Week

NIH Weighs Bold Plan for Online Preprint Publishing, pp. 1610-1611

Eliot Marshall

Atom Lasers Get More Laserlike, pp. 1611+1613

David Voss

ScienceScope, pp. 1613+1615

Attractive Wire Guides Atoms Out of Trap, p. 1614

Alexander Hellemans

Model Indian Deal Generates Payments, pp. 1614-1615

Pallava Bagla

New Findings Reveal How Legs Take Wing, pp. 1615-1616

Gretchen Vogel

Videotapes Expose Classroom Faults, pp. 1616-1617

Steve Olson

Memory for Order Found in the Motor Cortex, pp. 1617+1619

Ingrid Wickelgren

Proposed Access Rules Split Community, p. 1619

David Malakoff

News Focus

Eastern Europe's Social Science Renaissance, pp. 1620-1622

Constance Holden

Scientists-and Climbers-Discover Cliff Ecosystems, pp. 1623+1625

Kevin Krajick

Engineering Metabolism for Commercial Gains, pp. 1625-1626

Joseph Alper

For Radioactive Waste from Weapons, a Home at Last, pp. 1626-1628

Richard A. Kerr

Subsidy Helps New Grads Find First Science Jobs, p. 1629

Michael Baker

Random Samples, p. 1631

Constance Holden

Science's Compass

Editorial

Congress and U.S. Research, p. 1639

Erich Bloch; Charles M. Vest

Letters

Confidence in Nuclear Deterrence, p. 1641

James H. McNally

DNA: Uncooked, al Dente, or Scott?, p. 1641

Andrzej Stasiak; Jacques Dubochet; Patrick Furrer; Oscar Gonzalez; John Maddocks; Dana Mackenzie

Whale Origins, pp. 1641-1643

Review author[s]: Maureen A. O'Leary; John E. Heyning

Edison's Laboratory, p. 1643

Review author[s]: Paul Israel; Bettyann Holtzmann Kevles

Journal Prices, pp. 1643-1644

Ronald A. Hites

Breast Implant Safety, p. 1644

Devra Lee Davis; Robert F. Garry

Policy Forum

IRB Review and Consent in Human Tissue Research, pp. 1647-1648

Jon F. Merz; Debra G. B. Leonard; Elizabeth R. Miller

Books et al.

What Will Become of Readers?, p. 1649

Avatars of the Word. From Papyrus to Cyberspace.

James J. O'Donnell

Review author[s]: Michael A. Keller

Mead Misrepresented, pp. 1649-1650

The Fateful Hoaxing of Margaret Mead. A Historical Analysis of Her Samoan Research.

Derek Freeman

Review author[s]: Martin Orans

Perspectives

Unmasking a Cheating Gene, pp. 1651-1652

James F. Crow

A Thermal Balancing Act, pp. 1652-1653

Orson L. Anderson

Mirrors for Electrons, p. 1655

F. J. Himpsel

Martin Rodbell (1925-1998), p. 1656

Lutz Birnbaumer

Review

Storage and Executive Processes in the Frontal Lobes, pp. 1657-1661

Edward E. Smith; John Jonides

Frontiers in Chemistry: Single Molecules

[Introduction], p. 1667

Julia Uppenbrink; Daniel Clery

News

Watching DNA at Work, pp. 1668-1669

Robert F. Service

Reviews

Illuminating Single Molecules in Condensed Matter, pp. 1670-1676

W. E. Moerner; Michel Orrit

Fluorescence Spectroscopy of Single Biomolecules, pp. 1676-1683

Shimon Weiss

Nanoscale Science of Single Molecules Using Local Probes, pp. 1683-1688

James K. Gimzewski; Christian Joachim

Single-Molecule Biomechanics with Optical Methods, pp. 1689-1695

Amit D. Mehta; Matthias Rief; James A. Spudich; David A. Smith; Robert M. Simmons

Research

Research Article

Mantle Values of Thermal Conductivity and the Geotherm from Phonon Lifetimes, pp. 1699-1706

A. M. Hofmeister

Reports

A Well-Collimated Quasi-Continuous Atom Laser, pp. 1706-1709

E. W. Hagley; L. Deng; M. Kozuma; J. Wen; K. Helmerson; S. L. Rolston; W. D. Phillips

Quantum-Well States as Fabry-Pérot Modes in a Thin-Film Electron Interferometer, pp. 1709-1711

J. J. Paggel; T. Miller; T.-C. Chiang

Ice Core Records of Atmospheric CO₂ Around the Last Three Glacial Terminations, pp. 1712-1714

Hubertus Fischer; Martin Wahlen; Jesse Smith; Derek Mastroianni; Bruce Deck

Present-Day Deformation Across the Basin and Range Province, Western United States, pp. 1714-1718

Wayne Thatcher; G. R. Foulger; B. R. Julian; J. Svarc; E. Quilty; G. W. Bawden

A Search for Companions to Nearby Brown Dwarfs: The Binary DENIS-P J1228.2-1547, pp. 1718-1720

E. L. Martín; W. Brandner; G. Basri

"Debye-Scherrer Ellipses" from 3D Fullerene Polymers: An Anisotropic Pressure Memory Signature, pp. 1720-1723

L. Marques; M. Mezouar; J.-L. Hodeau; M. Núñez-Regueiro; N. R. Serebryanaya; V. A. Ivdenko; V. D. Blank; G. A. Dubitsky

Single-Polymer Dynamics in Steady Shear Flow, pp. 1724-1727

Douglas E. Smith; Hazen P. Babcock; Steven Chu

How Strong is a Covalent Bond?, pp. 1727-1730

Michel Grandbois; Martin Beyer; Matthias Rief; Hauke Clausen-Schaumann; Hermann E. Gaub

Adaptation of Bulk Constitutive Equations to Insoluble Monolayer Collapse at the Air-Water Interface, pp. 1730-1733

J. Patrick Kampf; Curtis W. Frank; Eva E. Malmström; Craig J. Hawker

Abnormal Spindle Protein, Asp, and the Integrity of Mitotic Centrosomal Microtubule Organizing Centers, pp. 1733-1735

Maria do Carmo Avides; David M. Glover

Role of Pitx 1 Upstream of Tbx4 in Specification of Hindlimb Identity, pp. 1736-1739

Malcolm Logan; Clifford J. Tabin

Negative Regulation of Wingless Signaling by D-Axin, a Drosophila Homolog of Axin, pp. 1739-1742

Fumihiko Hamada; Yoshinori Tomoyasu; Yoshihiro Takatsu; Makoto Nakamura; Shin-ichi Nagai; Akiko Suzuki; Fumitaka Fujita; Hiroshi Shibuya; Kumao Toyoshima; Naoto Ueno; Tetsu Akiyama

Truncated RanGAP Encoded by the Segregation Distorter Locus of Drosophila, pp. 1742-1745

Cynthia Merrill; Leyla Bayraktaroglu; Ayumi Kusano; Barry Ganetzky

Linear Differentiation of Cytotoxic Effectors into Memory T Lymphocytes, pp. 1745-1748

Joseph T. Opferman; Bertram T. Ober; Philip G. Ashton-Rickardt

HLA and HIV-1: Heterozygote Advantage and B^*35-Cw^*04 Disadvantage, pp. 1748-1752

Mary Carrington; George W. Nelson; Maureen P. Martin; Teri Kissner; David Vlahov; James J. Goedert; Richard Kaslow; Susan Buchbinder; Keith Hoots; Stephen J. O'Brien

Motor Cortical Encoding of Serial Order in a Context-Recall Task, pp. 1752-1757

Adam F. Carpenter; Apostolos P. Georgopoulos; Giuseppe Pellizzer

Back Matter (47 pp.)

Previous Issue: New Series, Vol. 283, No. 5407, Mar. 5, 1999
Next Issue: New Series, Vol. 283, No. 5409, Mar. 19, 1999

Science, New Series, Vol. 283, No. 5409, Mar. 19, 1999

Previous Issue: New Series, Vol. 283, No. 5408, Mar. 12, 1999
Next Issue: New Series, Vol. 283, No. 5410, Mar. 26, 1999

Front Matter (33 pp.)
Netwatch, p. 1811

Jocelyn Kaiser

News

News of the Week

Academic Sequencers Challenge Celera in a Sprint to the Finish, pp. 1822-1823

Elizabeth Pennisi

From a Flatworm, New Clues on Animal Origins, pp. 1823+1825

Elizabeth Pennisi

Key Molecular Signals Identified in Plants, pp. 1825-1826

Marcia Barinaga

ScienceScope, p. 1825

A Lava Lamp Model for the Deep Earth, pp. 1826-1827

Richard A. Kerr

NASA Plans Earlier Hubble Rescue, p. 1827

David Malakoff

Cresson Resigns in Wake of Fraud Report, pp. 1827-1828

Robert Koenig

Genetic Study Shakes Up Out of Africa Theory, p. 1828

Elizabeth Pennisi

Sweden Considers More Oversight of Research, p. 1829

Joanna Rose; Annika Nilsson

Nabel to Head NIH Vaccine Research Center, pp. 1829+1831

Jon Cohen

A Surprising Partner for Angiostatin, p. 1831

Marcia Barinaga

News Focus

Nurture Helps Mold Able Minds, pp. 1832-1834

Ingrid Wickelgren

Restorers Reveal 28,000-Year-Old Artworks, p. 1835

Michael Balter

Submillimeter Astronomy Reaches New Heights, p. 1836

Govert Schilling

Forging a Link between Biofilms and Disease, pp. 1837+1839

Carol Potera

Random Samples, p. 1841

Constance Holden

Science's Compass

Editorial

The Universality of Science, p. 1847

Irving A. Lerch

Letters

Science Over Politics, pp. 1849-1850

Robert P. Lanza; Kenneth J. Arrow; Julius Axelrod; David Baltimore; Baruj Benacerraf; Konrad E. Bloch; Nicolaas Bloembergen; Herbert C. Brown; Michael S. Brown; Jose B. Cibelli; Stanley Cohen; Leon N. Cooper; E. J. Corey; Reneto Dulbecco; Edmond H. Fischer; Val L. Fitch; Jerome I. Friedman; Milton Friedman; Robert F. Furchgott; Murray Gell-Mann; Donald A. Glaser; Sheldon Lee Glashow; Walter Gilbert; Joseph L. Goldstein; Stephen Jay Gould; Roger Guillemin; Herbert A. Hauptman; Dudley Herschbach; Roald Hoffman; Leroy Hood; David H. Hubel; Jerome Karle; Lawrence R. Kelin; Walter Kohn; Arthur Kornberg; Edwin G. Krebs; Leon M. Lederman; Joshua Lederberg; David M Lee; Robert E. Lucas Jr.; Rudolph A. Marcus; R. Bruce Merrifield; Merton H. Miller; Franco Modigliani; Mario J. Molina; Kary Mullis; Ferid Murad; Joseph E. Murray; Daniel Nathans; Marshall W. Nirenberg; Douglass C. North; George A. Olah; George E. Palade; Martin F. Ramsey; Burton Richter; Richard J. Roberts; James M. Robl; Paul A. Samuelson; Melvin Schwartz; Phillip A. Sharp; Richard E. Smalley; Hamilton O. Smith; Robert M. Solow; Henry Taube; Susumu Tonegawa; James D. Watson; Steven Weinberg; Thomas H. Weller; Michael d. West; Eric F. Wieschaus; Torsten N. Wiesel; Robert W. Wilson

Basic Research in China, pp. 1850-1851

Shuguang Zhang

Free Electrons?, p. 1851

John Michael Williams

Monkey Numeration, pp. 1851-1852

Philip L. Stocklin; Elizabeth M. Brannon; Herbert S. Terrace

Corrections and Clarifications: Prevention of Constitutive TNF Receptor 1 Signaling by Silencer of Death Domains, p. 1852

Science's Compass

Policy Forum

Sustaining Natural and Human Capital: Villagers and Scientists, pp. 1855-1856

Wayne M. Getz; Louise Fortmann; David Cumming; Johan du Toit; Jodi Hilty; Rowan Martin; Michael Murphree; Norman Owen-Smith; Anthony M. Starfield; Michael I. Westphal

Capitalizing on Nature: Protected Area Management, pp. 1856-1857

Amar Inamdar; Helen de Jode; Keith Lindsay; Stephen Cobb

Books et al.

Streamlined Complexity, pp. 1858-1860

Untangling Ecological Complexity. The Macroscopic Perspective.

Brian A. Maurer

Review author[s]: Ilkka Hanski

Magical Microbe Mystery Tour, p. 1859

Epidemic! The World of Infectious Disease.

Rob DeSalle

Review author[s]: Orla Smith

Perspectives

Dissecting Dendrite Dynamics, pp. 1860-1861

Stephen J. Smith

Colliding Theories, pp. 1861-1863

Alex N. Halliday; Michael J. Drake

A Couple of Uncertain Age, pp. 1863-1864

Frank A. Podosek

Pumping Electrons, pp. 1864-1865

B. L. Altshuler; L. I. Glazman

Tech.Sight

Sequencing the Genome, Fast, pp. 1867-1868

James C. Mullikin; Amanda A. McMurray

Statistics and More Statistics, pp. 1869-1870

Systat 8.0

Review author[s]: Allen Rawitch

TechSightings, pp. 1871-1872

Frank Hoover; Robert Sikorski; Richard Peters; Kevin Ahern

Research

Research Article

The Origin of Chaos in the Outer Solar System, pp. 1877-1881

N. Murray; M. Holman

Reports

Compositional Stratification in the Deep Mantle, pp. 1881-1884

Louise H. Kellogg; Bradford H. Hager; Rob D. van der Hilst

Compositional Heterogeneity in the Bottom 1000 Kilometers of Earth's Mantle: Toward a Hybrid Convection Model, pp. 1885-1888

Rob D. van der Hilst; Hrafnkell Kárason

Dipping Low-Velocity Layer in the Mid-Lower Mantle: Evidence for Geochemical Heterogeneity, pp. 1888-1891

Satoshi Kaneshima; George Helffrich

Chemical Transformations in Individual Ultrasmall Biomimetic Containers, pp. 1892-1895

Daniel T. Chiu; Clyde F. Wilson; Frida Ryttsén; Anette Strömberg; Cecilia Farre; Anders Karlsson; Sture Nordholm; Anuj Gaggar; Biren P. Modi; Alexander Moscho; Robert A. Garza-López; Owe Orwar; Richard N. Zare

Nonequilibrium Self-Assembly of Long Chains of Polar Molecules in Superfluid Helium, pp. 1895-1897

K. Nauta; R. E. Miller

Epitaxial Cubic Gadolinium Oxide as a Dielectric for Gallium Arsenide Passivation, pp. 1897-1900

M. Hong; J. Kwo; A. R. Kortan; J. P. Mannaerts; A. M. Sergent

Degradation Mechanism of Small Molecule-Based Organic Light-Emitting Devices, pp. 1900-1902

Hany Aziz; Zoran D. Popovic; Nan-Xing Hu; Ah-Mee Hor; Gu Xu

Phase-Separated Composite Films for Liquid Crystal Displays, pp. 1903-1905

Valery Vorflusev; Satyendra Kumar

An Adiabatic Quantum Electron Pump, pp. 1905-1908

M. Switkes; C. M. Marcus; K. Campman; A. C. Gossard

Structural Maturation of Neural Pathways in Children and Adolescents: In Vivo Study, pp. 1908-1911

Tomáš Paus; Alex Zijdenbos; Keith Worsley; D. Louis Collins; Jonathan Blumenthal; Jay N. Giedd; Judith L. Rapoport; Alan C. Evans

Signaling of Cell Fate Decisions by CLAVATA3 in Arabidopsis Shoot Meristems, pp. 1911-1914

Jennifer C. Fletcher; Ulrike Brand; Mark P. Running; Rüdiger Simon; Elliot M. Meyerowitz

Crystal Structure of Human ZAG, a Fat-Depleting Factor Related to MHC Molecules, pp. 1914-1919

Luis M. Sánchez; Arthur J. Chirino; Pamela J. Bjorkman

Acoel Flatworms: Earliest Extant Bilaterian Metazoans, Not Members of Platyhelminthes, pp. 1919-1923

Iñaki Ruiz-Trillo; Marta Riutort; D. Timothy J. Littlewood; Elisabeth A. Herniou; Jaume Baguñà

Rapid Dendritic Morphogenesis in CA1 Hippocampal Dendrites Induced by Synaptic Activity, pp. 1923-1927

M. Maletic-Savatic; R. Malinow; K. Svoboda

Variability in Spike Trains During Constant and Dynamic Stimulation, pp. 1927-1930

Anne-Kathrin Warzecha; Martin Egelhaaf

The Role of Local Actin Instability in Axon Formation, pp. 1931-1934

Frank Bradke; Carlos G. Dotti

Reversible Conversion of Monomeric Human Prion Protein between Native and Fibrilogenic Conformations, pp. 1935-1937

G. S. Jackson; L. L. P. Hosszu; A. Power; A. F. Hill; J. Kenney; H. Saibil; C. J. Craven; J. P. Waltho; A. R. Clarke; J. Collinge

Back Matter (31 pp.)

Previous Issue: New Series, Vol. 283, No. 5408, Mar. 12, 1999
Next Issue: New Series, Vol. 283, No. 5410, Mar. 26, 1999

Science, New Series, Vol. 283, No. 5410, Mar. 26, 1999

Previous Issue: New Series, Vol. 283, No. 5409, Mar. 19, 1999
Next Issue: New Series, Vol. 284, No. 5411, Apr. 2, 1999

Front Matter (37 pp.)
Netwatch, p. 1975

Jocelyn Kaiser

News

News of the Week

DOE Lab Exchanges Targeted in Wake of Espionage Claims, pp. 1986-1987

David Malakoff

Data in Key Papers Cannot be Reproduced, pp. 1987+1989

Michael Balter

Fossil Offers a Glimpse Into Mammals' Past, pp. 1989-1990

Carl Zimmer

ScienceScope, pp. 1989+1991+1993

Chinese Center Sues Over Study Coverage, pp. 1990-1992

Zhang Dan; Xiong Lei

MIT Issues Mea Culpa On Sex Bias, p. 1992

Constance Holden

UN to End Children's Vaccine Initiative, pp. 1992-1993

Helen Gavaghan

Gamma Beams from a Collapsing Star, p. 1993

Robert Irion

Agencies Launch Effort to Improve U.S. Schools, p. 1995

Jeffrey Mervis

News Focus

Call for 'Sustainability' in Forests Sparks a Fire, pp. 1996-1998

Charles C. Mann; Mark L. Plummer

The March of Paradigms, pp. 1998-1999

Jon Cohen

NIH Invites Activists Into the Inner Sanctum, pp. 1999-2001

Bruce Agnew

EU Facilities Program Keeps Researchers on the Move, pp. 2001+2003

Sabine Steghaus-Kovac

Watching the Universe's Second Biggest Bang, pp. 2003-2004

Govert Schilling

Did Cooked Tubers Spur the Evolution of Big Brains?, pp. 2004-2005

Elizabeth Pennisi

Random Samples, p. 2007

Constance Holden

Science's Compass

Editorial

A Potential Phosphate Crisis, p. 2015

Philip H. Abelson

Letters

Origin of the Amerindians, p. 2017

Sergio D. J. Pena; N. O. Bianchi

Playing Doctor?, p. 2017

Richard W. Murray

Interdisciplinary Research at NIH, pp. 2018-2019

James J. Anderson; Valerie A. Luzadis; Barry D. Solomon; Paul Baer; Richard B. Norgaard

Cave Painting Hazard?, p. 2019

Michael Guarnieri

Aging and the Genome, p. 2019

Leonard Hayflick

Peptide Bond Formation: Retraction, pp. 2019-2020

Itaru Nitta; Yoshie Kamada; Hiroe Noda; Takuya Ueda; Kimitsuna Watanabe

Corrections and Clarifications: High-Resolution Water Vapor Mapping from Interferometric Radar Measurements, p. 2020
Corrections and Clarifications: Proposed Access Rules Split Community, p. 2020
Corrections and Clarifications: Linear Differentiation of Cytotoxic Effectors into Memory T lymphocytes, p. 2020

Science's Compass

Policy Forum

Genetic Enhancement in Humans, pp. 2023-2024

Jon W. Gordon

Books et al.

Statistics in the Social World, p. 2025

The Politics of Large Numbers. A History of Statistical Reasoning.

Alain Desrosières; Camille Naish

Review author[s]: Stephen E. Fienberg

Old Views of Ancient Events, p. 2026

The Molecular Origins of Life. Assembling Pieces of the Puzzle.

André Brack

Review author[s]: Steven A. Benner

Perspectives

Mix and Match in the Tree of Life, pp. 2027-2028

James A. Lake; Ravi Jain; Maria C. Rivera

Crosstalk between Rac and Rho, pp. 2028-2029

Keith Burridge

Highly Visible, Curiously Intangible, pp. 2029+2031-2032

G. A. Clark

How Does the Ground Shake?, pp. 2032-2033

Arthur D. Frankel

Review

Phase Separation Scenario for Manganese Oxides and Related Materials, pp. 2034-2040

Adriana Moreo; Seiji Yunoki; Elbio Dagotto

Research

Research Articles

Replication of Apparent Nonlinear Seismic Response with Linear Wave Propagation Models, pp. 2045-2050

Daniel R. H. O'Connell

Unconditional Security of Quantum Key Distribution Over Arbitrarily Long Distances, pp. 2050-2056

Hoi-Kwong Lo; H. F. Chau

Reports

The Effect of Spin Splitting on the Metallic Behavior of a Two-Dimensional System, pp. 2056-2058

S. J. Papadakis; E. P. de Poortere; H. C. Manoharan; M. Shayegan; R. Winkler

Chain Walking: A New Strategy to Control Polymer Topology, pp. 2059-2062

Zhibin Guan; P. M. Cotts; E. F. McCord; S. J. McLain

Hydrogen Peroxide on the Surface of Europa, pp. 2062-2064

R. W. Carlson; M. S. Anderson; R. E. Johnson; W. D. Smythe; A. R. Hendrix; C. A. Barth; L. A. Soderblom; G. B. Hansen; T. B. McCord; J. B. Dalton; R. N. Clark; J. H. Shirley; A. C. Ocampo; D. L. Matson

Arctic Ozone Loss Due to Denitrification, pp. 2064-2069

A. E. Waibel; Th. Peter; K. S. Carslaw; H. Oelhaf; G. Wetzel; P. J. Crutzen; U. Pöschl; A. Tsias; E. Reimer; H. Fischer

Decay of the GRB 990123 Optical Afterglow: Implications for the Fireball Model, pp. 2069-2073

Alberto J. Castro-Tirado; María Rosa Zapatero-Osorio; Nicola Caon; Luz Marina Cairós; Jens Hjorth; Holger Pedersen; Michael I. Andersen; Javier Gorosabel; Corrado Bartolini; Adriano Guarnieri; Adalberto Piccioni; Filippo Frontera; Nicola Masetti; Eliana Palazzi; Elena Pian; Jochen Greiner; Renè Hudec; Ram Sagar; Anil K. Pandey; Vinay Mohan; Ramakant K. S. Yadav; Nilakshi; Gunnlaugur Björnsson; Páll Jakobsson; Ingunn Burud; Frederic Courbin; Gaetano Valentini; Anna Piersimoni; Jesús Aceituno; Luz María Montoya; Santos Pedraz; Roland Gredel; Charles F. Claver; Travis A. Rector; James E. Rhoads; Fabian Walter; Jürgen Ott; Hans Hippelein; Victor Sánchez-Béjar; Carlos Gutiérrez; Alejandro Oscoz; Jin Zhu; Jiansheng Chen; Haotong Zhang; Jianyan Wei; Aiying Zhou; Sergei Guiziy; Aleksei Shlyapnikov; John Heise; Enrico Costa; Marco Feroci; Luigi Piro

Polarimetric Constraints on the Optical Afterglow Emission from GRB 990123, pp. 2073-2075

Jens Hjorth; Gunnlaugur Björnsson; Michael I. Andersen; Nicola Caon; Luz Marina Cairós; Alberto J. Castro-Tirado; María Rosa Zapatero Osorio; Holger Pedersen; Enrico Costa

Spectroscopic Limits on the Distance and Energy Release of GRB 990123, pp. 2075-2077

Michael I. Andersen; Alberto J. Castro-Tirado; Jens Hjorth; Palle Møller; Holger Pedersen; Nicola Caon; Luz Marina Cairós; Heidi Korhonen; María Rosa Zapatero Osorio; Enrique Pérez; Filippo Frontera

A Simple Predictive Model for the Structure of the Oceanic Pycnocline, pp. 2077-2079

Anand Gnanadesikan

Requirement of Type III TGF-β Receptor for Endocardial Cell Transformation in the Heart, pp. 2080-2082

Christopher B. Brown; Angelique S. Boyer; Raymond B. Runyan; Joey V. Barnett

Inhibition of Myosin Light Chain Kinase by p21-Activated Kinase, pp. 2083-2085

Luraynne C. Sanders; Fumio Matsumura; Gary M. Bokoch; Primal de Lanerolle

Imaging Protein Kinase Cα Activation in Cells, pp. 2085-2089

Tony Ng; Anthony Squire; Gurdip Hansra; Frederic Bornancin; Corinne Prevostel; Andrew Hanby; William Harris; Diana Barnes; Sandra Schmidt; Harry Mellor; Philippe I. H. Bastiaens; Peter J. Parker

Regulation of β-Catenin Signaling by the B56 Subunit of Protein Phosphatase 2A, pp. 2089-2091

Joni M. Seeling; Jeffrey R. Miller; Rosario Gil; Randall T. Moon; Ray White; David M. Virshup

Role of the S. typhimurium Actin-Binding Protein SipA in Bacterial Internalization, pp. 2092-2095

Daoguo Zhou; Mark S. Mooseker; Jorge E. Galán

Regulation of Keystone Predation by Small Changes in Ocean Temperature, pp. 2095-2097

Eric Sanford

A Cytotoxic Ribonuclease Targeting Specific Transfer RNA Anticodons, pp. 2097-2100

T. Ogawa; K. Tomita; T. Ueda; K. Watanabe; T. Uozumi; H. Masaki

AAAS News and Notes, p. 2101

Tiffany Ayers

Correction, pp. 2102-2103+2105+2107
Back Matter (73 pp.)

Previous Issue: New Series, Vol. 283, No. 5409, Mar. 19, 1999
Next Issue: New Series, Vol. 284, No. 5411, Apr. 2, 1999

Science, New Series, Vol. 284, No. 5411, Apr. 2, 1999

Previous Issue: New Series, Vol. 283, No. 5410, Mar. 26, 1999
Next Issue: New Series, Vol. 284, No. 5412, Apr. 9, 1999

Front Matter (42 pp.)
NetWatch, p. 7

Erik Stokstad

News

News of the Week

Colorado Nobelist Chosen to Lead Howard Hughes, p. 18

Jon Cohen

Research Shutdown Roils Los Angeles VA, pp. 18-19+21

Jon Cohen

Court Views Engineers as Scientists, p. 21

Jeffrey Mervis

ScienceScope, pp. 21+23+25

Shedding Light on Visual Imagination, p. 22

Marcia Barinaga

Dispute Over a Legendary Fish, pp. 22-23

Constance Holden

A Deep Look Beneath Tall Mountains, p. 24

Richard A. Kerr

Laser Light from a Handful of Dust, pp. 24-25

Alexander Hellemans

University Cash Crisis Blocks Career Paths, pp. 25+27

Lone Frank

DESY Puts the Spin Into Gluons, p. 27

Alexander Hellemans

News Focus

Battle Over a Dying Sea, pp. 28-30

Jocelyn Kaiser

Coming to Grips with the Aral Sea's Grim Legacy, pp. 30-31+33

Richard Stone

Heart Failure Simulated, pp. 33-34

Robert F. Service

Celebrating a Century of Physics, en Masse, pp. 34-36

James Glanz; Robert Irion

A Species' Fate, by the Numbers, pp. 36-37

Charles C. Mann; Mark L. Plummer

Random Samples, p. 39

Constance Holden

Science's Compass

Editorial

Think Ahead, p. 47

Floyd Bloom

Letters

Replenishing Marine Populations, p. 49

Craig Dahlgren

Young Scientists in Biomedical Research, p. 49

David A. Hume

Redefining Rats, Mice, and Birds, pp. 49-50

Joseph C. Besharse; Bruce M. Carlson; Donald P. Jenkins; David S. Lester; James L. Olds; Peter Satir

Field Primatology and Biomedical Research, p. 50

Jane E. Philips-Conroy; Clifford J. Jolly

Fluorescent Lamps in Photocopiers, pp. 50-52

Dale D. Hancock; Thomas E. Besser; Colin Gill; Carolyn Hovde Bohach; John T. Bickmore

Cattle, Hay, and E. coli, pp. 52-53

James B. Russell; Francisco Diez-Gonzalez

Essays on Science and Society

Amateur Science -- Strong Tradition, Bright Future, pp. 55-56

Forrest M. Mims III

Books et al.

The Benefits of Selective Thinking, pp. 57-58

Evolution in Health and Disease.

Stephen C. Stearns

Review author[s]: Mark Pagel

Seeing is Believing, but What Do We See?, p. 58

The Birth of the Cell.

Henry Harris

Review author[s]: Manfred D. Laubichler

Perspectives

CH₅⁺: The Cheshire Cat Smiles, pp. 59+61

Dominik Marx; Michele Parrinello

Fear of Flying, p. 61

Orla Smith

Dirty Transcripts from Clean DNA, pp. 62-63

Bryn A. Bridges

A Deadly Double Life, pp. 63-64

Alan M. Weiner; Nancy Maizels

Review

The Human Genus, pp. 65-71

Bernard Wood; Mark Collard

Complex Systems

[Introduction], p. 79

Richard Gallagher; Tim Appenzeller

News

Exploring the Systems of Life, pp. 80-81+83

Robert F. Service

Building Working Cells 'in Silico', pp. 80-81

Dennis Normile

Unraveling Bacteria's Dependable Homing System, p. 82

Elizabeth Pennisi

Life After Chaos, pp. 83-86

Carl Zimmer

Viewpoints

Simple Lessons from Complexity, pp. 87-89

Nigel Goldenfeld; Leo P. Kadanoff

Complexity in Chemistry, pp. 89-92

George M. Whitesides; Rustem F. Ismagilov

Complexity in Biological Signaling Systems, pp. 92-96

Gezhi Weng; Upinder S. Bhalla; Ravi Iyengar

Complexity and the Nervous System, pp. 96-98

Christof Koch; Gilles Laurent

Complexity, Pattern, and Evolutionary Trade-Offs in Animal Aggregation, pp. 99-101

Julia K. Parrish; Leah Edelstein-Keshet

Complexity in Natural Landform Patterns, pp. 102-104

B. T. Werner

Complexity and Climate, pp. 105-107

D. Rind

Complexity and the Economy, pp. 107-109

W. Brian Arthur

Research

Reports

Superradiance in a Torus Magnetosphere Around a Black Hole, pp. 115-118

Maurice H. P. M. van Putten

Geochemical Consequences of Increased Atmospheric Carbon Dioxide on Coral Reefs, pp. 118-120

Joan A. Kleypas; Robert W. Buddemeier; David Archer; Jean-Pierre Gattuso; Chris Langdon; Bradley N. Opdyke

Lateral Variations in Compressional/Shear Velocities at the Base of the Mantle, pp. 120-125

Michael E. Wysession; Amy Langenhorst; Matthew J. Fouch; Karen M. Fischer; Ghassan I. Al-Eqabi; Patrick J. Shore; Timothy J. Clarke

High-Resolution Holocene Environmental Changes in the Thar Desert, Northwestern India, pp. 125-128

Y. Enzel; L. L. Ely; S. Mishra; R. Ramesh; R. Amit; B. Lazar; S. N. Rajaguru; V. R. Baker; A. Sandler

Clinoenstatite in Alpe Arami Peridotite: Additional Evidence of Very High Pressure, pp. 128-132

K. N. Bozhilov; H. W. Green II; L. Dobrzhinetskaya

Quantum Phase Interference and Parity Effects in Magnetic Molecular Clusters, pp. 133-135

W. Wernsdorfer; R. Sessoli

CH₅⁺: The Infrared Spectrum Observed, pp. 135-137

Edmund T. White; Jian Tang; Takeshi Oka

Electrochemical Defect-Mediated Thin-Film Growth, pp. 138-141

K. Sieradzki; S. R. Brankovic; N. Dimitrov

Strongly Photonic Macroporous Gallium Phosphide Networks, pp. 141-143

Frank J. P. Schuurmans; Daniël Vanmaekelbergh; Jao van de Lagemaat; Ad Lagendijk

Multilineage Potential of Adult Human Mesenchymal Stem Cells, pp. 143-147

Mark F. Pittenger; Alastair M. Mackay; Stephen C. Beck; Rama K. Jaiswal; Robin Douglas; Joseph D. Mosca; Mark A. Moorman; Donald W. Simonetti; Stewart Craig; Daniel R. Marshak

Two Distinct Cytokines Released from a Human Aminoacyl-tRNA Synthetase, pp. 147-151

Keisuke Wakasugi; Paul Schimmel

ROUGH SHEATH2: A Myb Protein That Represses Knox Homeobox Genes in Maize Lateral Organ Primordia, pp. 151-153

Marja C. P. Timmermans; Andrew Hudson; Philip W. Becraft; Timothy Nelson

The Maize Rough Sheath2 Gene and Leaf Development Programs in Monocot and Dicot Plants, pp. 154-156

Miltos Tsiantis; Richard Schneeberger; John F. Golz; Michael Freeling; Jane A. Langdale

Apaf-1 and Caspase-9 in p53-Dependent Apoptosis and Tumor Inhibition, pp. 156-159

M. S. Soengas; R. M. Alarcón; H. Yoshida; A. J. Giaccia; R. Hakem; T. W. Mak; S. W. Lowe

Phenotypic Change Caused by Transcriptional Bypass of Uracil in Nondividing Cells, pp. 159-162

Anand Viswanathan; Ho Jin You; Paul W. Doetsch

Dynamic Control of CaMKII Translocation and Localization in Hippocampal Neurons by NMDA Receptor Stimulation, pp. 162-166

Kang Shen; Tobias Meyer

The Role of Area 17 in Visual Imagery: Convergent Evidence from PET and rTMS, pp. 167-170

S. M. Kosslyn; A. Pascual-Leone; O. Felician; S. Camposano; J. P. Keenan; W. L. Thompson; G. Ganis; K. E. Sukel; N. M. Alpert

Back Matter (42 pp.)

Previous Issue: New Series, Vol. 283, No. 5410, Mar. 26, 1999
Next Issue: New Series, Vol. 284, No. 5412, Apr. 9, 1999

Science, New Series, Vol. 284, No. 5412, Apr. 9, 1999

Previous Issue: New Series, Vol. 284, No. 5411, Apr. 2, 1999
Next Issue: New Series, Vol. 284, No. 5413, Apr. 16, 1999

Front Matter (37 pp.)
NetWatch, p. 219

Jocelyn Kaiser

News

News of the Week

Alternatives to Animals Urged for Producing Antibodies, p. 230

David Malakoff

Forming the Robust Australopithecine Face, pp. 230-231

Virginia Morell

Earth Institute Director Bows Out, pp. 231+233

Constance Holden

New Career Path Seen for Young Scientists, pp. 233-234

Dennis Normile

ScienceScope, pp. 233+235

Link between Sunspots, Stratosphere Buoyed, pp. 234-235

Richard A. Kerr

Miniaturizing the Mike, in Silicon, pp. 235+237

Alexander Hellemans

Plan Would Protect New England Coast, p. 237

Karin Jegalian

News Focus

Can the Placebo be the Cure?, pp. 238-240

Martin Enserink

A New Force in High-Latitude Climate, pp. 241-242

Richard A. Kerr

Chemists Mix It Up in California, pp. 243-244

Robert F. Service

Computer Models Aim to Keep Ahead of Snowslides, pp. 245+247

Robert Koenig

The Exxon Valdez's Scientific Gold Rush, pp. 247-249

Jocelyn Kaiser

EPA, Critics Soften Stance on Pesticidal Plants, p. 249

Michael Hagmann

Random Samples, p. 251

Constance Holden

Science's Compass

Editorial

Foundations and Science Policy, p. 259

David A. Hamburg

Letters

Public Openness, p. 261

Daniel Sarewitz

Tired Old Clichés?, p. 261

Howard R. Soule

Interdisciplinary Research at EPA, pp. 261-262

Norine E. Noonan; Norman Metzger; Richard N. Zare

C. elegans as a Model, p. 262

Paul H. Silverman

Hot Zones, pp. 262-263

Cecil H. Fox

U.S. Emission Permit System, pp. 263-264

Jay Coggins; Vernon W. Ruttan

Corrections and Clarifications: Acoel Flatworms: Earliest Extant Bilaterian Metazoans, not Members of Platyhelminthes, p. 264

Corrections and Clarifications: Whale Origins, p. 264

Corrections and Clarifications: Mantle Values of Thermal Conductivity and the Geotherm from Phonon Life-Times, p. 264

Policy Forum

Building Population Genetics Resources Using the U.K. NHS, pp. 267-268

Robin Fears; George Poste

Books et al.

The Assembly of Antibody Explanations, pp. 269-270

The Generation of Diversity. Clonal Selection Theory and the Rise of Molecular Immunology.

Scott H. Podulsky; Alfred I. Tauber

Review author[s]: Ian R. Mackay

Perspectives

IκB Kinases: Kinsmen with Different Crafts, pp. 271+273

Michael J. May; Sankar Ghosh

Computation Without Current, p. 274

Charles G. Smith

Bunches of Photons -- Antibunches of Electrons, pp. 275-276

Markus Büttiker

Heeding the Warning in Biodiversity's Basic Law, pp. 276-277

Michael L. Rosenzweig

Review

Revisiting the Commons: Local Lessons, Global Challenges, pp. 278-282

Elinor Ostrom; Joanna Burger; Christopher B. Field; Richard B. Norgaard; David Policansky

Research

Reports

Digital Logic Gate Using Quantum-Dot Cellular Automata, pp. 289-291

Islamshah Amlani; Alexei O. Orlov; Geza Toth; Gary H. Bernstein; Craig S. Lent; Gregory L. Snider

Remote Triggering of Waves in an Electrochemical System, pp. 291-293

J. Christoph; P. Strasser; M. Eiswirth; G. Ertl

Electrodeposited Ceramic Single Crystals, pp. 293-296

Jay A. Switzer; Mark G. Shumsky; Eric W. Bohannan

The Fermionic Hanbury Brown and Twiss Experiment, pp. 296-298

M. Henny; S. Oberholzer; C. Strunk; T. Heinzel; K. Ensslin; M. Holland; C. Schönenberger

Hanbury Brown and Twiss-Type Experiment with Electrons, pp. 299-301

William D. Oliver; Jungsang Kim; Robert C. Liu; Yoshihisa Yamamoto

The Robust Australopithecine Face: A Morphogenetic Perspective, pp. 301-305

Melanie A. McCollum

Solar Cycle Variability, Ozone, and Climate, pp. 305-308

Drew Shindell; David Rind; Nambeth Balachandran; Judith Lean; Patrick Lonergan

Positive and Negative Regulation of IκB Kinase Activity Through IKKβ Subunit Phosphorylation, pp. 309-313

Mireille Delhase; Makio Hayakawa; Yi Chen; Michael Karin

Limb and Skin Abnormalities in Mice Lacking IKKα, pp. 313-316

Kiyoshi Takeda; Osamu Takeuchi; Tohru Tsujimura; Satoshi Itami; Osamu Adachi; Taro Kawai; Hideki Sanjo; Kunihiko Yoshikawa; Nobuyuki Terada; Shizuo Akira

Abnormal Morphogenesis but Intact IKK Activation in Mice Lacking the IKKα Subunit of IκB Kinase, pp. 316-320

Yinling Hu; Véronique Baud; Mireille Delhase; Peilin Zhang; Thomas Deerinck; Mark Ellisman; Randall Johnson; Michael Karin

Severe Liver Degeneration in Mice Lacking the IκB Kinase 2 Gene, pp. 321-325

Qiutang Li; Daniel Van Antwerp; Frank Mercurio; Kuo-Fen Lee; Inder M. Verma

Evolution of a Protein Fold In vitro, pp. 325-327

Matthew H. J. Cordes; Nathan P. Walsh; C. James McKnight; Robert T. Sauer

The Pex16p Homolog SSE1 and Storage Organelle Formation in Arabidopsis Seeds, pp. 328-330

Yun Lin; Lin Sun; Long V. Nguyen; Richard A. Rachubinski; Howard M. Goodman

Regulation of Maternal Behavior and Offspring Growth by Paternally Expressed Peg3, pp. 330-333

L.-L. Li; E. B. Keverne; S. A. Aparicio; F. Ishino; S. C. Barton; M. A. Surani

Self-Similarity in the Distribution and Abundance of Species, pp. 334-336

John Harte; Ann Kinzig; Jessica Green

NMDA Receptor-Mediated K⁺ Efflux and Neuronal Apoptosis, pp. 336-339

S. P. Yu; C.-H. Yeh; U. Strasser; M. Tian; D. W. Choi

Ca ²⁺ -Induced Apoptosis Through Calcineurin Dephosphorylation of BAD, pp. 339-343

Hong-Gang Wang; Nuzhat Pathan; Iryna M. Ethell; Stanislaw Krajewski; Yu Yamaguchi; Futoshi Shibasaki; Frank McKeon; Tanya Bobo; Thomas F. Franke; John C. Reed

Back Matter (45 pp.)

Previous Issue: New Series, Vol. 284, No. 5411, Apr. 2, 1999
Next Issue: New Series, Vol. 284, No. 5413, Apr. 16, 1999

Science, New Series, Vol. 284, No. 5413, Apr. 16, 1999

Previous Issue: New Series, Vol. 284, No. 5412, Apr. 9, 1999
Next Issue: New Series, Vol. 284, No. 5414, Apr. 23, 1999

Front Matter (25 pp.)
NetWatch, p. 395

Jocelyn Kaiser

News

News of the Week

Drug Firms to Create Public Database of Genetic Mutations, pp. 406-407

Eliot Marshall

New Virus Fingered in Malaysian Epidemic, pp. 407+409-410

Martin Enserink

ScienceScope, pp. 409+411

NIH Scientist to Head IVI Institute in Korea, p. 410

Michael Baker

Activists Ransack Minnesota Labs, pp. 410-411

Jocelyn Kaiser

Fewer Minorities Under New NSF Rules, pp. 411-412

Jeffrey Mervis

Earliest Animals Growing Younger?, p. 412

Richard A. Kerr

Security Fears Prompt Computer Shutdown, pp. 412-413

David Malakoff

NIH Plans Ethics Review of Proposals, pp. 413+415

Eliot Marshall

Giant Sulfur-Eating Microbe Found, p. 415

Bernice Wuethrich

News Focus

Missile Defense Rides Again, pp. 416-420

James Glanz

Probing the Shaking Microworld, pp. 420-421

Alexander Hellemans

The Clock Plot Thickens, pp. 421-422

Marcia Barinaga

Lab-Grown Organs Begin to Take Shape, pp. 422-423+425

Dan Ferber

Random Samples, p. 427

Constance Holden

Science's Compass

Editorial

Success Through Innovation, p. 431

Gerhard Schröder

Letters

Yellowstone Grizzly Population, p. 433

Mark L. Shaffer

Managing the National Forests, p. 433

Chris Wood

Angiostatin's Partners, pp. 433-434

Raul Martinez-Zaguilan; Robert J. Gillies

Climbing and Cliff Ecology, p. 434

Pat Jodice; Kath Pyke; Sam Davidson; Warren G. Guntheroth

Do Infants Learn Grammar with Algebra or Statistics?, pp. 434-437

Mark S. Seidenberg; Jeff L. Elman; Michiro Negishi; Peter D. Eimas; Gary F. Marcus

Corrections and Clarifications: Dispute Over a Legendary Fish, p. 437

Corrections and Clarifications: Scientists-and Climbers-Discover Cliff Ecosystems, p. 437

Policy Forum

The Y2K Problem, pp. 438-439

Robert F. Bennett

Books et al.

Held in Place by Practice, pp. 440-441

The Rejection of Continental Drift. Theory and Method in American Earth Science

Naomi Oreskes

Review author[s]: David Oldroyd

Perspectives

Deconstructing Vancomycin, pp. 442-443

Christopher Walsh

Nuclear Fusion of Signaling Pathways, pp. 443-444

Ralf Janknecht; Tony Hunter

Is the Universe Fractal?, pp. 445-446

Vicent J. Martínez

Retrospective

Glenn Seaborg (1912-1999), p. 447

Daniel E. Koshland Jr.

Tech.Sight

PCR Detection of Bacteria in Seven Minutes, pp. 449-450

Phillip Belgrader; William Benett; Dean Hadley; James Richards; Paul Stratton; Raymond Mariella Jr.; Fred Milanovich

Dry Chemistry, pp. 451-452

Sadtler Suite

Review author[s]: Brian Shmaefsky

TechSighting, pp. 453-454

Robert Sikorski; Richard Peters; Kevin Ahern

Research

Research Article

Structure of the VHL-ElonginC-ElonginB Complex: Implications for VHL Tumor Suppressor Function, pp. 455-461

Charles E. Stebbins; William G. Kaelin Jr.; Nikola P. Pavletich

Reports

Viscosity Near Earth's Solid Inner Core, pp. 461-463

D. E. Smylie

Global Warming and Marine Carbon Cycle Feedbacks on Future Atmospheric CO₂, pp. 464-467

Fortunat Joos; Gian-Kasper Plattner; Thomas F. Stocker; Olivier Marchal; Andreas Schmittner

Propagation of a Magnetic Domain Wall in a Submicrometer Magnetic Wire, pp. 468-470

T. Ono; H. Miyajima; K. Shigeto; K. Mibu; N. Hosoito; T. Shinjo

Magnetization Directions of Individual Nanoparticles, pp. 470-473

S. A. Majetich; Y. Jin

A Steric Mechanism for Inhibition of CO Binding to Heme Proteins, pp. 473-476

Galina S. Kachalova; Alexander N. Popov; Hans D. Bartunik

Single-Crystal-Like Diffraction Data from Polycrystalline Materials, pp. 477-479

Thomas Wessels; Christian Baerlocher; Lynne B. McCusker

Synergistic Signaling in Fetal Brain by STAT3-Smad1 Complex Bridged by p300, pp. 479-482

Kinichi Nakashima; Makoto Yanagisawa; Hirokazu Arakawa; Naoki Kimura; Tatsuhiro Hisatsune; Masahiro Kawabata; Kohei Miyazono; Tetsuya Taga

Dissecting and Exploiting Intermodular Communication in Polyketide Synthases, pp. 482-485

Rajesh S. Gokhale; Stuart Y. Tsuji; David E. Cane; Chaitan Khosla

Aminoacyl-CoAs as Probes of Condensation Domain Selectivity in Nonribosomal Peptide Synthesis, pp. 486-489

Peter J. Belshaw; Christopher T. Walsh; Torsten Stachelhaus

Functional Arteries Grown In vitro, pp. 489-493

L. E. Niklason; J. Gao; W. M. Abbott; K. K. Hirschi; S. Houser; R. Marini; R. Langer

Dense Populations of a Giant Sulfur Bacterium in Namibian Shelf Sediments, pp. 493-495

H. N. Schulz; T. Brinkhoff; T. G. Ferdelman; M. Hernández Mariné; A. Teske; B. B. Jørgensen

SPA1, a WD-Repeat Protein Specific to Phytochrome A Signal Transduction, pp. 496-499

Ute Hoecker; James M. Tepperman; Peter H. Quail

Control of mRNA Decay by Heat Shock-Ubiquitin-Proteasome Pathway, pp. 499-502

Gaurav Laroia; Rafael Cuesta; Gary Brewer; Robert J. Schneider

Regulation of Mammalian Circadian Behavior by Non-rod, Non-cone, Ocular Photoreceptors, pp. 502-504

Melanie S. Freedman; Robert J. Lucas; Bobby Soni; Malcolm von Schantz; Marta Muñoz; Zoë David-Gray; Russell Foster

Regulation of the Mammalian Pineal by Non-rod, Non-cone, Ocular Photoreceptors, pp. 505-507

Robert J. Lucas; Melanie S. Freedman; Marta Muñoz; José-M. Garcia-Fernández; Russell G. Foster

Vancomycin Derivatives That Inhibit Peptidoglycan Biosynthesis without Binding D-Ala-D-Ala, pp. 507-511

Min Ge; Zhong Chen; H. Russell Onishi; Joyce Kohler; Lynn L. Silver; Robert Kerns; Seketsu Fukuzawa; Christopher Thompson; Daniel Kahne

Back Matter (33 pp.)

Previous Issue: New Series, Vol. 284, No. 5412, Apr. 9, 1999
Next Issue: New Series, Vol. 284, No. 5414, Apr. 23, 1999

Science, New Series, Vol. 284, No. 5414, Apr. 23, 1999

Previous Issue: New Series, Vol. 284, No. 5413, Apr. 16, 1999
Next Issue: New Series, Vol. 284, No. 5415, Apr. 30, 1999

Front Matter (30 pp.)
NetWatch, p. 551

Jocelyn Kaiser

News

News of the Week

Two Former Grad Students Sue Over Alleged Misuse of Ideas, pp. 562-563

Eliot Marshall

Forecasters Learning to Read a Hurricane's Mind, pp. 563+565

Richard A. Kerr

R&D Takes a Hit, But Don't Count it Out, pp. 565-566

Eliot Marshall

ScienceScope, pp. 565+567

Black Holes Enter the Middleweights, p. 566

Mark Sincell

Starving Black Holes Sound an SOS, pp. 567-568

Govert Schilling

Study Sounds Alarm on Yellowstone Grizzlies, p. 568

Jocelyn Kaiser

Italy's KLOE Sets Sights on CP Violation, pp. 568-569

Alexander Hellemans

What Future for France's IN2P3?, pp. 569+571

Michael Balter

Discovery of 'Gay Gene' Questioned, p. 571

Ingrid Wickelgren

News Focus

A New Human Ancestor?, pp. 572-573

Elizabeth Culotta

As Salmon Stage Disappearing Act, Dams May Too, pp. 574-575

Richard A. Lovett

From Embryos and Fossils, New Clues to Vertebrate Evolution, pp. 575+577

Elizabeth Pennisi

Neurons and Silicon Get Intimate, pp. 578-579

Robert F. Service

Blowing the Dust Off the French Academy, pp. 580-581

Michael Balter

Random Samples, p. 583

Constance Holden

Science's Compass

Editorial

Global Immunization for the 21st Century, p. 587

Gustav J. V. Nossal

Letters

Evolving Smarts, p. 589

Mark R. Rosenzweig; James A. Duke; Robert Legrand

Inner Sanctum, pp. 589+591

Robert Mullan Cook-Deegan; Helen Schiff

Paradigms Lost, p. 591

Julian Ashford; Jon Cohen

Physician-Scientists: Staying Alive, pp. 591-592

Joseph G. Perpich

Corrections and Clarifications: Galaxies Seen at the Universe's Dawn, p. 592

Corrections and Clarifications: Conservation Targets in South American Temperate Forests, p. 592

Corrections and Clarifications: Supporting Science, p. 592

Policy Forum

Wildlife Harvest in Logged Tropical Forests, pp. 595-596

John G. Robinson; Kent H. Redford; Elizabeth L. Bennett

Books et al.

The View Through the Rocks, p. 597

Interpreting Prequaternary Climate from the Geologic Record

Judith Totman Parrish

Review author[s]: Lisa Cirbus Sloan

Perspectives

Shifting RNA Polymerase into Overdrive, pp. 598-599

Robert Landick

Leaves in the Dark See the Light, pp. 599-601

Christine H. Foyer; Graham Noctor

One Ring to Rule a Superfamily of E3 Ubiquitin Ligases, pp. 601+603-604

Mike Tyers; Andrew R. Willems

Giant Lava Flows, Mass Extinctions, and Mantle Plumes, pp. 604-605

Paul E. Olsen

Review

Transcriptional Coregulators in Development, pp. 606-609

Mattias Mannervik; Yutaka Nibu; Hailan Zhang; Michael Levine

Research

Research Article

Mechanism of Intrinsic Transcription Termination and Antitermination, pp. 611-615

W. S. Yarnell; J. W. Roberts

Reports

Extensive 200-Million-Year-Old Continental Flood Basalts of the Central Atlantic Magmatic Province, pp. 616-618

Andrea Marzoli; Paul R. Renne; Enzo M. Piccirillo; Marcia Ernesto; Giuliano Bellieni; Angelo de Min

Slow Deformation and Lower Seismic Hazard at the New Madrid Seismic Zone, pp. 619-621

Andrew Newman; Seth Stein; John Weber; Joseph Engeln; Ailin Mao; Timothy Dixon

Silica Sol as a Nanoglue: Flexible Synthesis of Composite Aerogels, pp. 622-624

Catherine A. Morris; Michele L. Anderson; Rhonda M. Stroud; Celia I. Merzbacher; Debra R. Rolison

Environment and Behavior of 2.5-Million-Year-Old Bouri Hominids, pp. 625-629

Jean de Heinzelin; J. Desmond Clark; Tim White; William Hart; Paul Renne; Giday Woldegabriel; Yonas Beyene; Elisabeth Vrba

Australopithecus garhi: A New Species of Early Hominid from Ethiopia, pp. 629-635

Berhane Asfaw; Tim White; Owen Lovejoy; Bruce Latimer; Scott Simpson; Gen Suwa

Electron Solvation in Finite Systems: Femtosecond Dynamics of Iodide.(Water)_n Anion Clusters, pp. 635-638

L. Lehr; M. T. Zanni; C. Frischkorn; R. Weinkauf; D. M. Neumark

Requirement for Tec Kinases Rlk and Itk in T Cell Receptor Signaling and Immunity, pp. 638-641

Edward M. Schaeffer; Jayanta Debnath; George Yap; Daniel McVicar; X. Charlene Liao; Dan R. Littman; Alan Sher; Harold E. Varmus; Michael J. Lenardo; Pamela L. Schwartzberg

Efficient Persistence of Extrachromosomal KSHV DNA Mediated by Latency-Associated Nuclear Antigen, pp. 641-644

Mary E. Ballestas; Pamela A. Chatis; Kenneth M. Kaye

A Role for DNA-PK in Retroviral DNA Integration, pp. 644-647

René Daniel; Richard A. Katz; Anna Marie Skalka

Nonproteolytic Neuroprotection by Human Recombinant Tissue Plasminogen Activator, pp. 647-650

Yang-Hee Kim; June-Hee Park; Seung Hwan Hong; Jae-Young Koh

Fas-Induced Caspase Denitrosylation, pp. 651-654

Joan B. Mannick; Alfred Hausladen; Limin Liu; Douglas T. Hess; Ming Zeng; Qian X. Miao; Laurie S. Kane; Andrew J. Gow; Jonathan S. Stamler

Systemic Signaling and Acclimation in Response to Excess Excitation Energy in Arabidopsis, pp. 654-657

Stanislaw Karpinski; Helen Reynolds; Barbara Karpinska; Gunnar Wingsle; Gary Creissen; Philip Mullineaux

Rbx1, a Component of the VHL Tumor Suppressor Complex and SCF Ubiquitin Ligase, pp. 657-661

T. Kamura; D. M. Koepp; M. N. Conrad; D. Skowyra; R. J. Moreland; O. Iliopoulos; W. S. Lane; W. G. Kaelin Jr.; S. J. Elledge; R. C. Conaway; J. W. Harper; J. W. Conaway

Reconstitution of G₁ Cyclin Ubiquitination with Complexes Containing SCF ^Grr1 and Rbx1, pp. 662-665

Dorota Skowyra; Deanna M. Koepp; Takumi Kamura; Michael N. Conrad; Ronald C. Conaway; Joan Weliky Conaway; Stephen J. Elledge; J. Wade Harper

Male Homosexuality: Absence of Linkage to Microsatellite Markers at Xq28, pp. 665-667

George Rice; Carol Anderson; Neil Risch; George Ebers

Back Matter (33 pp.)

Previous Issue: New Series, Vol. 284, No. 5413, Apr. 16, 1999
Next Issue: New Series, Vol. 284, No. 5415, Apr. 30, 1999

Science, New Series, Vol. 284, No. 5415, Apr. 30, 1999

Previous Issue: New Series, Vol. 284, No. 5414, Apr. 23, 1999
Next Issue: New Series, Vol. 284, No. 5416, May 7, 1999

Front Matter (24 pp.)
NetWatch, p. 707

Jocelyn Kaiser

News

News of the Week

Varmus Circulates Proposal for NIH-Backed Online Venture, p. 718

Eliot Marshall

President Revokes Plan to Destroy Smallpox, pp. 718-719

Eliot Marshall

Signs of Plate Tectonics On an Infant Mars, pp. 719+721-722

Richard A. Kerr

ScieneScope, pp. 721+723

Quantum Computing Makes Solid Progress, pp. 722-723

Robert F. Service

New Model for Hereditary Breast Cancer, pp. 723+725

Michael Hagmann

University Funding to Be Tied to Performance, pp. 725-726

Chiara Palmerini

Schools Urged to Boost Technology Transfer, p. 726

Wayne Kondro

Mixed Grades for 5-Year Science Plan, pp. 726-727

Dennis Normile

High-Level Groups Study Barriers Women Face, p. 727

Jeffrey Mervis

News Focus

Are Pathogens Felling Frogs?, pp. 728-731

Virginia Morell

A Trematode Parasite Causes Some Frog Deformities, pp. 731+733

Jocelyn Kaiser

Headhunters Stalk the Halls of Physics, pp. 733-734

James Glanz

New Ground-Based Arrays to Probe Cosmic Powerhouses, pp. 734-735

Dennis Normile

Random Samples, p. 737

Constance Holden

Science's Compass

Editorial

Assessing the Decade of the Brain, p. 739

Edward G. Jones; Lorne M. Mendell

Letters

How Fares Scandinavian Biology?, p. 741

Swamy S. Shivakumara

Fire Use, p. 741

Ralph M. Rowlett

Over the Fence, p. 741

Ronald W. Angel

Hungarian Virtues, pp. 741-742

Tibor Braun; Wolfgang Glänzel; András P. Schubert; Gábor A. Schubert

Our Public Image, p. 742

Mary Woolley

Breast Cancer Detection, p. 743

Lireka P. Joseph

One Signal or Two?, pp. 743-744

Candy Rowe; Sarah Partan; Peter Marler

Corrections and Clarifications: How Calcium Enhances Plant Salt Tolerance, p. 744

Books Et Al.

How Human Can They Get?, p. 745

The Age of Spiritual Machines. When Computers Exceed Human Intelligence.

Ray Kurzweil

Review author[s]: Diane Proudfoot

Spatial in Formation, p. 746

Theoretical Morphology. The Concept and Its Applications.

George R. McGhee Jr.

Review author[s]: Jon R. Stone

Perspectives

Privacy in a Quantum World, pp. 747-748

Charles H. Bennett; Peter W. Shor

Free Copper Ions in the Cell?, pp. 748-749

Stephen J. Lippard

A New Look at MHC and Autoimmune Disease, pp. 749+751

William M. Ridgway; Marcella Fassò; C. Garrison Fathman

Gaps, Pseudogaps, and Occam's Razor, pp. 752-753

A. J. Arko

Sir Alan Hodgkin (1914-1998), p. 753

Peter B. Detwiler

Signal Transduction

[Introduction], pp. 755-756

L. Bryan Ray

Reviews

Orphan Nuclear Receptors: Shifting Endocrinology into Reverse, pp. 757-760

Steven A. Kliewer; Jürgen M. Lehmann; Timothy M. Willson

Cryptochromes: Blue Light Receptors for Plants and Animals, pp. 760-765

Anthony R. Cashmore; Jose A. Jarillo; Ying-jie Wu; Dongmei Liu

A Cell's Sense of Direction, pp. 765-770

Carole A. Parent; Peter N. Devreotes

Notch Signaling: Cell Fate Control and Signal Integration in Development, pp. 770-776

Spyros Artavanis-Tsakonas; Matthew D. Rand; Robert J. Lake

Research

Reports

Pseudogaps and Extrinsic Losses in Photoemission Experiments on Poorly Conducting Solids, pp. 777-779

Robert Joynt

Quantum Annealing of a Disordered Magnet, pp. 779-781

J. Brooke; D. Bitko; T. F. Rosenbaum; G. Aeppli

Thermal Equation of State of Aluminum-Enriched Silicate Perovskite, pp. 782-784

Jianzhong Zhang; Donald J. Weidner

Self-Assembly of Disk-Shaped Molecules to Coiled-Coil Aggregates with Tunable Helicity, pp. 785-788

H. Engelkamp; S. Middelbeek; R. J. M. Nolte

Pressure-Induced Solid Carbonates from Molecular CO₂ by Computer Simulation, pp. 788-790

S. Serra; C. Cavazzoni; G. L. Chiarotti; S. Scandolo; E. Tosatti

Global Distribution of Crustal Magnetization Discovered by the Mars Global Surveyor MAG/ER Experiment, pp. 790-793

M. H. Acuña; J. E. P. Connerney; N. F. Ness; R. P. Lin; D. Mitchell; C. W. Carlson; J. McFadden; K. A. Anderson; H. Rème; C. Mazelle; D. Vignes; P. Wasilewski; P. Cloutier

Magnetic Lineations in the Ancient Crust of Mars, pp. 794-798

J. E. P. Connerney; M. H. Acuña; P. J. Wasilewski; N. F. Ness; H. Rème; C. Mazelle; D. Vignes; R. P. Lin; D. L. Mitchell; P. A. Cloutier

Neck Posture and Feeding Habits of Two Jurassic Sauropod Dinosaurs, pp. 798-800

Kent A. Stevens; J. Michael Parrish

Morphological Clues from Multilegged Frogs: Are Retinoids to Blame?, pp. 800-802

Stanley K. Sessions; R. Adam Franssen; Vanessa L. Horner

The Effect of Trematode Infection on Amphibian Limb Development and Survivorship, pp. 802-804

Pieter T. J. Johnson; Kevin B. Lunde; Euan G. Ritchie; Alan E. Launer

Undetectable Intracellular Free Copper: The Requirement of a Copper Chaperone for Superoxide Dismutase, pp. 805-808

T. D. Rae; P. J. Schmidt; R. A. Pufahl; V. C. Culotta; T. V. O'Halloran

Effects of Angiogenesis Inhibitors on Multistage Carcinogenesis in Mice, pp. 808-812

Gabriele Bergers; Kashi Javaherian; Kin-Ming Lo; Judah Folkman; Douglas Hanahan

Unexpected Modes of PDZ Domain Scaffolding Revealed by Structure of nNOS- Syntrophin Complex, pp. 812-815

Brian J. Hillier; Karen S. Christopherson; Kenneth E. Prehoda; David S. Bredt; Wendell A. Lim

Distinct Pathogenic Sequela in Rhesus Macaques Infected with CCR5 or CXCR4 Utilizing SHIVs, pp. 816-819

Janet M. Harouse; Agegnehu Gettie; Rei Chin How Tan; James Blanchard; Cecilia Cheng-Mayer

Chemokine Up-Regulation and Activated T Cell Attraction by Maturing Dendritic Cells, pp. 819-822

H. Lucy Tang; Jason G. Cyster

Chaperonin Function: Folding by Forced Unfolding, pp. 822-825

Mark Shtilerman; George H. Lorimer; S. Walter Englander

Viral Clearance Without Destruction of Infected Cells During Acute HBV Infection, pp. 825-829

Luca G. Guidotti; Rosemary Rochford; Josan Chung; Max Shapiro; Robert Purcell; Francis V. Chisari

AAAS News and Notes, pp. 830-831

Tiffany Ayers

Back Matter (33 pp.)

Previous Issue: New Series, Vol. 284, No. 5414, Apr. 23, 1999
Next Issue: New Series, Vol. 284, No. 5416, May 7, 1999