Breakthrough of the Year

News

BREAKTHROUGH OF THE YEAR:
ASTRONOMY: Cosmic Motion Revealed

James Glanz
Science 18 December 1998: 2156-2157.
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COMEBACK OF THE YEAR:
SOHO's Triumphant Return

Science 18 December 1998: 2156.
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BREAKTHROUGH OF THE YEAR:
The Runners-Up

Science 18 December 1998: 2157-2161.
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RESEARCH TRENDS:
Best Bets for 1999

Science 18 December 1998: 2158.
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RESEARCH TRENDS:
Scorecard '97

Science 18 December 1998: 2159.
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SCIENCE AND BUSINESS:
New Partnerships for Biology and Business

Science 18 December 1998: 2160.
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EMBRYOLOGY:
Immortal Cells Spawn Ethical Concerns

Science 18 December 1998: 2161.
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This Week in Science

Editor summaries of this week's papers.
Science 18 December 1998: 2149.
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Editorial:
Breakthroughs 1998

Floyd E. Bloom
Science 18 December 1998: 2193.
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NetWatch

Best of the Web in science.
Science 18 December 1998: 2147.
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 Quarterly Author Index

Science 18 December 1998: 1-15.

 AAAS Meetings

Science 18 December 1998: 2282-2293.

 AAAS News & Notes

Science 18 December 1998: 2294-2295.

 NEW PRODUCTS

Science 18 December 1998: 2296-2297.

News of the Week

FRENCH RESEARCH:
CNRS Researchers Take Up the Fight Against Allègre's Reforms

Michael Balter
Science 18 December 1998: 2162-2163.
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NEUROBIOLOGY:
Birds May Refine Their Songs While Sleeping

Marcia Barinaga
Science 18 December 1998: 2163-2165.
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BIOETHICS:
Panel Proposes Tighter Rules for Tissue Studies

Eliot Marshall
Science 18 December 1998: 2165-2166.
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LASER PHYSICS:
Powerful Pulses Color Thomson Scattering

Alexander Hellemans
Science 18 December 1998: 2166-2167.
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BIOETHICS:
Britain Urged to Expand Embryo Studies

Eliot Marshall
Science 18 December 1998: 2167-2168.
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IMMUNOLOGY:
Interleukin-13's Key Role in Asthma Shown

Gretchen Vogel
Science 18 December 1998: 2168.
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FISHERIES SCIENCE:
Papers Posit Grave Impact of Trawling

David Malakoff
Science 18 December 1998: 2168.
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PARTICLE PHYSICS:
A Second Hint of Symmetry Violation

James Glanz
Science 18 December 1998: 2169-2171.
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CHINA:
15 New Projects Bolster Basic Research

Xiong Lei
Science 18 December 1998: 2171.
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ScienceScope

Science 18 December 1998: 2165.
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Random Samples

Science 18 December 1998: 2183.
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News Focus

Coming to Grips With The Golgi

Carol Featherstone
Science 18 December 1998: 2172-2174.
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ALTERNATIVE MEDICINE:
Beefed-Up NIH Center Probes Unconventional Therapies

Jennifer Couzin
Science 18 December 1998: 2175-2176.
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BIOTECHNOLOGY:
Toting Up the Early Harvest Of Transgenic Plants

Anne Simon Moffat
Science 18 December 1998: 2176-2178.
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Down on the Animal Pharm

Anne Simon Moffat
Science 18 December 1998: 2177.
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MEETING BRIEFS:MATERIALS RESEARCH SOCIETY:
Making Devices Smaller, Brighter, and More Bendy

Robert F. Service
Science 18 December 1998: 2179-2180.
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PHYSICS:
Gravity Measurements Close in on Big G

David Kestenbaum
Science 18 December 1998: 2180-2181.
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Letters

This Week's Letters

Science 18 December 1998: 2194.
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 Biological Weapons Control

Johannes Rath, Bernhard Jank, Otto Doblhoff-Dier;, Thomas P. Monath, and Lance K. Gordon
Science 18 December 1998: 2194.
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 Managing Alzheimer's Patients

Robert P. Friedland and Barbara Krasner
Science 18 December 1998: 2194.
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 AIDS Vaccine Trials in Chimpanzees

Alfred M. Prince, Linda Andrus;, and Norman L. Letvin
Science 18 December 1998: 2194.
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 Hydrogen Chemistry of Basalt Aquifers

Allan Treiman, Annika Wallendahl;, Derek R. Lovley, Robert T. Anderson, and Francis H. Chapelle
Science 18 December 1998: 2194.
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 CORRECTIONS AND CLARIFICATIONS

Science 18 December 1998: 2194.
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Books et al.

PSYCHOLOGY:
Expressing Freudian Influences

Julio Licinio
Science 18 December 1998: 2197-2198.
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SOFTWARE:
Statistical Buddy

Brian R. Shmaefsky
Science 18 December 1998: 2198.
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Perspectives

PALEOCLIMATE:
Enhanced: Tropical Paradise at the Cretaceous Poles?

Brian T. Huber
Science 18 December 1998: 2199-2200.
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BOTANY:
Auxin Transport: Down and Out and Up Again

Alan M. Jones
Science 18 December 1998: 2201-2202.
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PROTEIN STRUCTURE:
Pumping Iron Through Cell Membranes

Volkmar Braun
Science 18 December 1998: 2202-2203.
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Tech.Sight

ATMOSPHERIC PHYSICS:
Cold Gas Traps for Ice Particle Formation

S. Bauerecker and B. Neidhart
Science 18 December 1998: 2211-2212.
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 TRANSPLANTATION:
Brain Transplants?

Robert Sikorski and Richard Peters
Science 18 December 1998: 2213.
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 CELL BIOLOGY:
Gentle Slam

Richard Peters and Robert Sikorski
Science 18 December 1998: 2213-2214.
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 PLANT GENOMICS:
Plant Genotoxicity

Richard Peters and Robert Sikorski
Science 18 December 1998: 2214.
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Association Affairs

 ESSAYS ON SCIENCE AND SOCIETY: Learning from the Chimpanzees: A Message Humans Can Understand

Jane Goodall
Science 18 December 1998: 2184-2185.
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The AAAS Celebrates Its 150th

M. S. Dresselhaus
Science 18 December 1998: 2186-2190.
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Review

Carbon in the Universe

Th. Henning and F. Salama
Science 18 December 1998: 2204-2210.
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Research Articles

Siderophore-Mediated Iron Transport: Crystal Structure of FhuA with Bound Lipopolysaccharide

Andrew D. Ferguson, Eckhard Hofmann, James W. Coulton, Kay Diederichs, and Wolfram Welte
Science 18 December 1998: 2215-2220.
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Structure of the MscL Homolog from Mycobacterium tuberculosis: A Gated Mechanosensitive Ion Channel

Geoffrey Chang, Robert H. Spencer, Allen T. Lee, Margaret T. Barclay, and Douglas C. Rees
Science 18 December 1998: 2220-2226.
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Regulation of Polar Auxin Transport by AtPIN1 in Arabidopsis Vascular Tissue

Leo Gälweiler, Changhui Guan, Andreas Müller, Ellen Wisman, Kurt Mendgen, Alexander Yephremov, and Klaus Palme
Science 18 December 1998: 2226-2230.
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A Free-Fall Determination of the Newtonian Constant of Gravity

Joshua P. Schwarz, Douglas S. Robertson, Timothy M. Niebauer, and James E. Faller
Science 18 December 1998: 2230-2234.
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Reports

Abrupt Climate Oscillations During the Last Deglaciation in Central North America

Zicheng Yu and Ulrich Eicher
Science 18 December 1998: 2235-2238.
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The Percolation Phase Transition in Sea Ice

K. M. Golden, S. F. Ackley, and V. I. Lytle
Science 18 December 1998: 2238-2241.
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Evidence for Extreme Climatic Warmth from Late Cretaceous Arctic Vertebrates

J. A. Tarduno, D. B. Brinkman, P. R. Renne, R. D. Cottrell, H. Scher, and P. Castillo
Science 18 December 1998: 2241-2243.
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Hierarchically Ordered Oxides

Peidong Yang, Tao Deng, Dongyuan Zhao, Pingyun Feng, David Pine, Bradley F. Chmelka, George M. Whitesides, and Galen D. Stucky
Science 18 December 1998: 2244-2246.
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Atomic Contributions to the Optical Rotation Angle as a Quantitative Probe of Molecular Chirality

Rama K. Kondru, Peter Wipf, and David N. Beratan
Science 18 December 1998: 2247-2250.
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Behavioral State Modulation of Auditory Activity in a Vocal Motor System

Amish S. Dave, Albert C. Yu, and Daniel Margoliash
Science 18 December 1998: 2250-2254.
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Microscale Nutrient Patches in Planktonic Habitats Shown by Chemotactic Bacteria

Nicholas Blackburn, Tom Fenchel, and Jim Mitchell
Science 18 December 1998: 2254-2256.
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Prevention of Population Cycles by Parasite Removal

Peter J. Hudson, Andy P. Dobson, and Dave Newborn
Science 18 December 1998: 2256-2258.
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Interleukin-13: Central Mediator of Allergic Asthma

Marsha Wills-Karp, Jackie Luyimbazi, Xueying Xu, Brian Schofield, Tamlyn Y. Neben, Christopher L. Karp, and Debra D. Donaldson
Science 18 December 1998: 2258-2261.
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Requirement for IL-13 Independently of IL-4 in Experimental Asthma

Gabriele Grünig, Martha Warnock, Adil E. Wakil, Rajeev Venkayya, Frank Brombacher, Donna M. Rennick, Dean Sheppard, Markus Mohrs, Debra D. Donaldson, Richard M. Locksley, and David B. Corry
Science 18 December 1998: 2261-2263.
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Molecular Basis of T Cell Inactivation by CTLA-4

Kyung-Mi Lee, Ellen Chuang, Matthew Griffin, Roli Khattri, David K. Hong, Weiguo Zhang, David Straus, Lawrence E. Samelson, Craig B. Thompson, and Jeffrey A. Bluestone
Science 18 December 1998: 2263-2266.
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A Receptor/Cytoskeletal Movement Triggered by Costimulation During T Cell Activation

Christoph Wülfing and Mark M. Davis
Science 18 December 1998: 2266-2269.
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p53-Independent Role of MDM2 in TGF-1 Resistance

Peiqing Sun, Ping Dong, Kang Dai, Gregory J. Hannon, and David Beach
Science 18 December 1998: 2270-2272.
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Regulation of Cocaine Reward by CREB

William A. Carlezon, Jr., Johannes Thome, Valerie G. Olson, Sarah B. Lane-Ladd, Edward S. Brodkin, Noboru Hiroi, Ronald S. Duman, Rachael L. Neve, and Eric J. Nestler
Science 18 December 1998: 2272-2275.
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A Family of cAMP-Binding Proteins That Directly Activate Rap1

Hiroaki Kawasaki, Gregory M. Springett, Naoki Mochizuki, Shinichiro Toki, Mie Nakaya, Michiyuki Matsuda, David E. Housman, and Ann M. Graybiel
Science 18 December 1998: 2275-2279.
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Technical Comments

 The Hippocampus and Human Navigation

Itzhak Fried; and Eleanor A. Maguire;
Science 18 December 1998: 2151.
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