This Week in Science

Editor summaries of this week's papers.
Science 27 October 1995: 557.
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Editorial:
Strengthening Our Global Commitment

Floyd E. Bloom
Science 27 October 1995: 559.
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 SCIENCESCOPE|

Science 27 October 1995: 567.

 RANDOM SAMPLES|

Science 27 October 1995: 583.

 INSIDE AAAS|

Science 27 October 1995: 647.
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 BOOK REVIEWS|Phylogenetic Perspectives in Immunity, reviewed by G. W. Litman * Chemical Waves and Patterns, R. J. Field * Vignettes * Books Received * Publishers' Addresses

Science 27 October 1995: 650.
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 PRODUCTS & MATERIALS|

Science 27 October 1995: 653.

 AAAS ANNUAL MEETING|1996 AAAS Annual Meeting and Science Innovation Exposition, 8 to 13 February 1996, Preliminary Program * Seminar * Employment Exchange * Advance Registration Form * Hotel Res ervation Form

Science 27 October 1995: 655.

News and Comment

Germany: Max Planck Institutes Brace for Change

Patricia Kahn
Science 27 October 1995: 568-570.
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 Hubert Markl: Animal Behaviorist Puts His Learning to Work

Robert Koenig
Science 27 October 1995: 569.
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Planetary Science: Galileo Lives With Balky Tape Recorder

Richard A. Kerr
Science 27 October 1995: 570.
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European Space Agency: All Aboard the Space Station

Michael Balter
Science 27 October 1995: 571.
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Politics: Clinton Defends R&D in Partisan Speech

Andrew Lawler
Science 27 October 1995: 571-572.
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Neuroscience: Center for the Mind Pleases the Senses

Jon Cohen
Science 27 October 1995: 572.
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Health Policy: New Studies Trace the Impact of Tobacco Advertising

Rachel Nowak
Science 27 October 1995: 573-574.
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Health Policy: Researchers Protest Attack on Tobacco Study

Eliot Marshall
Science 27 October 1995: 573.
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Genetics: Rajewsky to Head EMBL's Italian Lab

Nigel Williams
Science 27 October 1995: 574.
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Research News

Molecular Biology: Antisense Has Growing Pains

Trisha Gura
Science 27 October 1995: 575-577.
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Chemistry: Radio Tags Speed Compound Synthesis

Robert F. Service
Science 27 October 1995: 577.
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Developmental Biology: Defining the First Steps on the Path Toward Cell Specialization

Wade Roush
Science 27 October 1995: 578-579.
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Evolutionary Biology: Animal Oddballs Brought Into the Ancestral Fold?

Richard A. Kerr
Science 27 October 1995: 580-581.
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Neurobiology: New Clue to Brain Wiring Mystery

Marcia Barinaga
Science 27 October 1995: 581.
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Letters

 Letters|The Role of Experiments in Ecology: M. E. Bower et al.; W. J. Resetarits Jr.; J. Bernardo; J. Fischman * AIDS Intervention in Uganda: M. J. Wawer and R. H. Gray * Additional Reference: R. L. Ehman and J. F. Greenleaf

Science 27 October 1995: 561.
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Policy Forum

Freshwater Ecosystems and Their Management: A National Initiative

Robert J. Naiman, John J. Magnuson, Diane M. McKnight, Jack A. Stanford, and James R. Karr
Science 27 October 1995: 584-585.
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Perspectives

Reverse Weathering, Clay Mineral Formation, and Oceanic Element Cycles

Fred T. Mackenzie and Lee R. Kump
Science 27 October 1995: 586.
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Metal-Carbon Bonds in Nature

Julie A. Kovacs, Steven C. Shoner, and Jeffrey J. Ellison
Science 27 October 1995: 587-588.
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ENHANCED PERSPECTIVE: Calcium Sparks in Vascular Smooth Muscle--Relaxation Regulators

Frederic S. Fay
Science 27 October 1995: 588.
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Articles

Mechanisms for Lithium Insertion in Carbonaceous Materials

J. R. Dahn, Tao Zheng, Yinghu Liu, and J. S. Xue
Science 27 October 1995: 590-593.
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Neurotrophins and Neuronal Plasticity

Hans Thoenen
Science 27 October 1995: 593-598.
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Research Article

Biostratigraphic and Geochronologic Constraints on Early Animal Evolution

John P. Grotzinger, Samuel A. Bowring, Beverly Z. Saylor, and Alan J. Kaufman
Science 27 October 1995: 598-604.
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Reports

Nano-Elastohydrodynamics: Structure, Dynamics, and Flow in Nonuniform Lubricated Junctions

Jianping Gao, W. D. Luedtke, and Uzi Lman
Science 27 October 1995: 605-608.
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Imaging Pattern Formation in Surface Reactions from Ultrahigh Vacuum up to Atmospheric Pressures

H. H. Rotermund, G. Haas, R. U. Franz, R. M. Tromp, and G. Ertl
Science 27 October 1995: 608-610.
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Nanoscale Complexity of Phospholipid Monolayers Investigated by Near-Field Scanning Optical Microscopy

Jeeseong Hwang, Lukas K. Tamm, Christine Böhm, Tirunelveli S. Ramalingam, Eric Betzig, and Michael Edidin
Science 27 October 1995: 610-614.
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Rapid Clay Mineral Formation in Amazon Delta Sediments: Reverse Weathering and Oceanic Elemental Cycles

Panagiotis Michalopoulos and Robert C. Aller
Science 27 October 1995: 614-617.
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Limits to Relief

Kevin M. Schmidt and David R. Montgomery
Science 27 October 1995: 617-620.
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Megascopic Multicellular Organisms from the 1700-Million-Year-Old Tuanshanzi Formation in the Jixian Area, North China

Zhu Shixing and Chen Huineng
Science 27 October 1995: 620-622.
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Influence of Sulfide Inhibition of Nitrification on Nitrogen Regeneration in Sediments

Samantha B. Joye and James T. Hollibaugh
Science 27 October 1995: 623-625.
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Cross-Arc Geochemical Variations in the Kurile Arc as a Function of Slab Depth

Jeffrey G. Ryan, Julie Morris, Fouad Tera, William P. Leeman, and Andrei Tsvetkov
Science 27 October 1995: 625-627.
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A Methylnickel Intermediate in a Bimetallic Mechanism of Acetyl-Coenzyme A Synthesis by Anaerobic Bacteria

Manoj Kumar, Di Qiu, Thomas G. Spiro, and Stephen W. Ragsdale
Science 27 October 1995: 628-630.
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T Cell Awareness of Paternal Alloantigens During Pregnancy

Anna Tafuri, Judith Alferink, Peter Möller, Günter J. Hämmerling, and Bernd Arnold
Science 27 October 1995: 630-633.
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Relaxation of Arterial Smooth Muscle by Calcium Sparks

M. T. Nelson, H. Cheng, M. Rubart, L. F. Santana, A. D. Bonev, H. J. Knot, and W. J. Lederer
Science 27 October 1995: 633-637.
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Localization of Protein Implicated in Establishment of Cell Type to Sites of Asymmetric Division

Fabrizio Arigoni, Kit Pogliano, Chris D. Webb, Patrick Stragier, and Richard Losick
Science 27 October 1995: 637-640.
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Activation of Cell-Specific Transcription by a Serine Phosphatase at the Site of Asymmetric Division

Leonard Duncan, Scott Alper, Fabrizio Arigoni, Richard Losick, and Patrick Stragier
Science 27 October 1995: 641-644.
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Central Command Neurons of the Sympathetic Nervous System: Basis of the Fight-or-Flight Response

Arthur S. P. Jansen, Xay Van Nguyen, Vladimir Karpitskiy, Thomas C. Mettenleiter, and Arthur D. Loewy
Science 27 October 1995: 644-646.
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