This Week in Science

Editor summaries of this week's papers.
Science 26 January 1996: 425.
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Editorial:
Refining the On-Line Scholar's Tools

Floyd E. Bloom
Science 26 January 1996: 429.
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 ScienceScope|

Science 26 January 1996: 437.
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 Random Samples|Errant Spacecraft Found in Ghana * Japan Prize * More on Ashkenazi Cancer Gene * Alzheimer's and Programmed Cell Death * Rooting out the Reason for Russetting * Mini-World on the Big Screen

Science 26 January 1996: 451-453.
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 Book Reviews|Darwin, reviewed by W. Montgomery * Telomeres, C. M. Price * Computer Modelling in Molecular Biology, S. R. Krystek Jr. * Vignettes * Books Received

Science 26 January 1996: 455-456.
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 Products & Materials|

Science 26 January 1996: 534-535.
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 AAAS News & Notes|

Science 26 January 1996: 536.
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News and Comment

Biomedical Research: AIDS Task Force Fizzles Out

Jon Cohen
Science 26 January 1996: 438-439.
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Research Ethics: Policy on DNA Research Troubles Tissue Bankers

Eliot Marshall
Science 26 January 1996: 440.
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AIDS: Can Some Infants Beat HIV?

Clare Thompson
Science 26 January 1996: 441.
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Public Health: 'Natural' Cancer Prevention Trial Halted

Kim Peterson
Science 26 January 1996: 441.
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India: Industrial R&D Gets Boost Despite Lack of Patent Reform

Pallava Bagla
Science 26 January 1996: 442-443.
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Russia: Tax Law Casts Pall Over Research Aid

Vladimir Pokrovsky
Science 26 January 1996: 443.
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Research News

Networks: Researchers Feel Lure of the I-WAY

James Glanz
Science 26 January 1996: 444-445.
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Neurobiology: Mutant Enzyme Provides New Insights Into the Cause of ALS

Jean Marx
Science 26 January 1996: 446-447.
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Immunology: Modified Microbe May Boost TB Vaccine

Wade Roush
Science 26 January 1996: 447.
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Molecular Evolution: Proteins 'Clock' the Origins of All Creatures--Great and Small

Virginia Morell
Science 26 January 1996: 448.
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Archaeology: Cave Structure Boosts Neandertal Image

Michael Balter
Science 26 January 1996: 449.
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Astronomy: Planets Remind Astronomers of Home

James Glanz
Science 26 January 1996: 449-450.
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Astronomy: Digging Deeply Into Galaxies' Pasts

Donald Goldsmith
Science 26 January 1996: 450.
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Letters

 Reducing Greenhouse Gases

Craig Bond Hatfield
Science 26 January 1996: 431.
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 NASA's Life Science

Pauline Jackie Duke
Science 26 January 1996: 432-433.
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 Beyond Test Score Comparisons

Frank X. Sutman
Science 26 January 1996: 433-434.
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 Antisense Research

C. Frank Bennett
Science 26 January 1996: 434.
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 State Key Labs in China

C. L. Tsou
Science 26 January 1996: 434-435.
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 Letters|Reducing Greenhouse Gases: C. B. Hatfield; P. E. Kauppi

Science 26 January 1996: 431-435.

 Letters|NASA's Life Science: L. M. Margulis; P. J. Duke

Science 26 January 1996: 431.
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 Letters|Beyond Test Score Comparisons: F. X. Sutman

Science 26 January 1996: 431.
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 Letters|Antisense Research: C. F. Bennett

Science 26 January 1996: 431.

 Letters|State Key Labs in China: C. L. Tsou

Science 26 January 1996: 431.

Corrections and Clarifications

Science 26 January 1996: 435.
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Books et al.

 Darwin Lite: Darwin.

William Montgomery
Science 26 January 1996: 455.
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 Chromosomal Structures: Telomeres.

Carolyn M. Price
Science 26 January 1996: 455-456.
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 Simulation Methods: Computer Modelling in Molecular Biology.

Stanley R. Krystek, Jr.
Science 26 January 1996: 456.
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 Books Received

Science 26 January 1996: 456.
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Perspectives

Regulation of Atmospheric O₂: Feedback in the Microbial Feedbag

Lee R. Kump and Fred T. Mackenzie
Science 26 January 1996: 459-460.
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A Docking Receptor for HDL Cholesterol Esters

Daniel Steinberg
Science 26 January 1996: 460.
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Gating by Cyclic AMP: Expanded Role for an Old Signaling Pathway

Ravi Iyengar
Science 26 January 1996: 461-463.
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BMP-1: Resurrection As Procollagen C-Proteinase

A. H. Reddi
Science 26 January 1996: 463.
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Articles

The Magnetic Nature of Coronal Holes

Yi-Ming Wang, Scott H. Hawley, and Neil R. Sheeley, Jr.
Science 26 January 1996: 464-469.
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Determining Divergence Times of the Major Kingdoms of Living Organisms with a Protein Clock

Russell F. Doolittle, Da-Fei Feng, Simon Tsang, Glen Cho, and Elizabeth Little
Science 26 January 1996: 470-477.
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Research Article

Thiyl Radicals in Ribonucleotide Reductases

Stuart Licht, Gary J. Gerfen, and JoAnne Stubbe
Science 26 January 1996: 477-481.
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Reports

Energy Dissipation During Rupture of Adhesive Bonds

Arlette R. C. Baljon and Mark O. Robbins
Science 26 January 1996: 482-484.
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The Structure and Stability of Atomic Liquids: From Clusters to Bulk

Jonathan P. K. Doye and David J. Wales
Science 26 January 1996: 484-487.
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Reversible Encapsulation of Disc-Shaped Guests by a Synthetic, Self-Assembled Host

Robert M. Grotzfeld, Neil Branda, and Julius Rebek, Jr.
Science 26 January 1996: 487-489.
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Design of a Random Quantum Spin Chain Paramagnet: Sr₃CuPt_0.5Ir_0.5O₆

Tu N. Nguyen, Patrick A. Lee, and Hans-Conrad zur Loye
Science 26 January 1996: 489-491.
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Th-Pb and U-Pb Dating of Ore-Stage Calcite and Paleozoic Fluid Flow

Joyce C. Brannon, Susan C. Cole, Frank A. Podosek, Virginia M. Ragan, Raymond M. Coveney, Jr., Malcolm W. Wallace, and Alison J. Bradley
Science 26 January 1996: 491-493.
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Redox Stabilization of the Atmosphere and Oceans by Phosphorus-Limited Marine Productivity

Philippe Van Cappellen and Ellery D. Ingall
Science 26 January 1996: 493-496.
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Reduction of HIV Concentration During Acute Infection: Independence from a Specific Immune Response

Andrew N. Phillips
Science 26 January 1996: 497-499.
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Dependence of Cyclin E-CDK2 Kinase Activity on Cell Anchorage

Fang Fang, Gertraud Orend, Nobumoto Watanabe, Tony Hunter, and Erkki Ruoslahti
Science 26 January 1996: 499-502.
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Angiotensin II-Forming Activity in a Reconstructed Ancestral Chymase

Unnikrishnan M. Chandrasekharan, Subramaniam Sanker, Manuel J. Glynias, Sadashiva S. Karnik, and Ahsan Husain
Science 26 January 1996: 502-505.
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Molecular Cloning and Disease Association of Hepatitis G Virus: A Transfusion-Transmissible Agent

Jeff Linnen, John Wages, Jr., Zhen-Yong Zhang-Keck, Kirk E. Fry, Krzysztof Z. Krawczynski, Harvey Alter, Eugene Koonin, Margaret Gallagher, Miriam Alter, Stephanos Hadziyannis, Peter Karayiannis, Kevin Fung, Yoshiyuki Nakatsuji, J. Wai-Kuo Shih, Lavonne Young, Michael Piatak, Jr., Cameron Hoover, John Fernandez, Stacie Chen, Jian-Chao Zou, Timothy Morris, Kenneth C. Hyams, Susan Ismay, Jeffrey D. Lifson, and Georg Hess
Science 26 January 1996: 505-508.
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Receptor-Ligand Interaction Between CD44 and Osteopontin (Eta-1)

Georg F. Weber, Samy Ashkar, Melvin J. Glimcher, and Harvey Cantor
Science 26 January 1996: 509-512.
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Activation by Attention of the Human Reticular Formation and Thalamic Intralaminar Nuclei

Shigeo Kinomura, Jonas Larsson, Balázs Gulyás, and Per E. Roland
Science 26 January 1996: 512-515.
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Altered Reactivity of Superoxide Dismutase in Familial Amyotrophic Lateral Sclerosis

Martina Wiedau-Pazos, Joy J. Goto, Shahrooz Rabizadeh, Edith B. Gralla, James A. Roe, Michael K. Lee, Joan S. Valentine, and Dale E. Bredesen
Science 26 January 1996: 515-518.
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Identification of Scavenger Receptor SR-BI as a High Density Lipoprotein Receptor

Susan Acton, Attilio Rigotti, Katherine T. Landschulz, Shangzhe Xu, Helen H. Hobbs, and Monty Krieger
Science 26 January 1996: 518-520.
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Interfering with Apoptosis: Ca²⁺-Binding Protein ALG-2 and Alzheimer's Disease Gene ALG-3

Pasquale Vito, Emanuela Lacaná, and Luciano D'Adamio
Science 26 January 1996: 521-525.
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Newly Learned Auditory Responses Mediated by NMDA Receptors in the Owl Inferior Colliculus

Daniel E. Feldman, Michael S. Brainard, and Eric I. Knudsen
Science 26 January 1996: 525-528.
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