This Week in Science

Editor summaries of this week's papers.
Science 17 May 1996: 929.
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Editorial:
Desperately Seeking Friends

M. R. C. Greenwood
Science 17 May 1996: 933-0.
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 ScienceScope|

Science 17 May 1996: 941-0.
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 Random Samples|Another Way Cocaine Messes Up the Brain * World Women in Science * Eavesdropping on Ants * Where's the Beef...and Fat? * French Toxic Tiff * Tuning In to the Why Files

Science 17 May 1996: 957-959.
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 Book Reviews|Cosmic Strings and Other Topological Defects, reviewed by J. Preskill * The Wisdom of the Hive, M. L. Winston

Science 17 May 1996: 966-967.
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 Products & Materials|

Science 17 May 1996: 1041-1042.
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 Science's Next Wave| Working in Regulatory Affairs Is a Way to Get the Broad View

Science 17 May 1996: 1045-0.
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News and Comment

Science Policy: A $1 Billion 'Tax' on R&D Funds

Jeffrey Mervis
Science 17 May 1996: 942-944.
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Science Policy: Does SBIR Increase the R&D Pot?

Jeffrey Mervis
Science 17 May 1996: 942-0.
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Science Policy: House Panel Wants Bigger Bang for Buck

Jeffrey Mervis
Science 17 May 1996: 943-0.
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Clinical Research: UCSF, Stanford Hospitals to Merge

Eliot Marshall
Science 17 May 1996: 944-0.
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Gene Therapy: Varmus Proposes to Scrap the RAC

Eliot Marshall
Science 17 May 1996: 945-0.
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Brazil: Patent Law Closes Drug Loophole

Cláudio Csillag
Science 17 May 1996: 945-946.
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Molecular Biology: Unique Protein Database Imperiled

Nigel Williams
Science 17 May 1996: 946-0.
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Scientific Misconduct: After 9 Years, a Tangled Case Lurches Toward a Close

Jock Friedly
Science 17 May 1996: 947-948.
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Research News

Aging: Worm Genes Imply a Master Clock

Elizabeth Pennisi
Science 17 May 1996: 949-950.
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Astrophysics: A Glow From the First Galaxies?

Andrew Watson
Science 17 May 1996: 950-0.
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Mathematics: A New Theory of Turbulence Causes a Stir Among Experts

Barry Cipra
Science 17 May 1996: 951-0.
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Astrophysics: Photon Bubbles Put X-ray Fizz Into Neutron Stars

James Glanz
Science 17 May 1996: 952-0.
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Evolutionary Biology: Flies Unmask Evolutionary Warfare Between the Sexes

Virginia Morell
Science 17 May 1996: 953-954.
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Immunology: Chemokines Take Center Stage in Inflammatory Ills

Trisha Gura
Science 17 May 1996: 954-0.
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Letters

 This Week's Letters

Science 17 May 1996: 935-939.
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 What Happened at Chernobyl?

Alexander R. Sich;, George G. Berg;, Kofi Crentsil;, and Charles D. Bowman
Science 17 May 1996: 935-939.
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 Misconduct: Judgment Called For

Donald E. Buzzelli; and Frederick Grinnell
Science 17 May 1996: 935-939.
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 Gifted Public Servants

E. Peter Geiduschek; and John F. Atkins
Science 17 May 1996: 935-939.
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 Biosystematics Database

Paul Wohlleben
Science 17 May 1996: 935-939.
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 Rules of the Game?

Lindy A. Brigham
Science 17 May 1996: 935-939.
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 What Happened at Chernobyl?

Kofi Crentsil
Science 17 May 1996: 936.
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 What Happened at Chernobyl?

Charles D. Bowman
Science 17 May 1996: 936.
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 Misconduct: Judgment Called For

Donal E. Buzzelli
Science 17 May 1996: 937.
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 Response: Misconduct: Judgment Called For

Frederick Grinnell
Science 17 May 1996: 937.
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 Gifted Public Servants

E. Peter Geiduschek
Science 17 May 1996: 937-938.
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 Gifted Public Servants

John F. Atkins
Science 17 May 1996: 938.
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 Biosystematics Database

Paul Wohlleben
Science 17 May 1996: 938-939.
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 Rules of the Game?

Lindy A. Brigham
Science 17 May 1996: 939.
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 Corrections and Clarifications

Science 17 May 1996: 935-939.
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Corrections and Clarifications

Science 17 May 1996: 939.
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Corrections and Clarifications

Science 17 May 1996: 939.
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Corrections and Clarifications

Science 17 May 1996: 939.
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Corrections and Clarifications

Science 17 May 1996: 939.
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Books et al.

 Bee Work: The Wisdom of the Hive.

Mark L. Winston
Science 17 May 1996: 967.
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Perspectives

Out of Africa--Meat-Eating Dinosaurs That Challenge Tyrannosaurus rex

Philip J. Currie
Science 17 May 1996: 971-972.
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Stratospheric Control of Climate

Alan Robock
Science 17 May 1996: 972-0.
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Another Twist to MHC-Peptide Recognition

Ian A. Wilson
Science 17 May 1996: 973-974.
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Regulating Cell Proliferation--As Easy as APC

Mark Peifer
Science 17 May 1996: 974-975.
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Reports

A Far-Field Hydrothermal Plume from Loihi Seamount

John E. Lupton
Science 17 May 1996: 976-979.
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Selected Elastic Moduli of Single-Crystal Olivines from Ultrasonic Experiments to Mantle Pressures

Ganglin Chen, Baosheng Li, and Robert C. Liebermann
Science 17 May 1996: 979-980.
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The Impact of Solar Variability on Climate

Joanna D. Haigh
Science 17 May 1996: 981-984.
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Universality Classes of Optimal Channel Networks

Amos Maritan, Francesca Colaiori, Alessandro Flammini, Marek Cieplak, and Jayanth R. Banavar
Science 17 May 1996: 984-986.
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Predatory Dinosaurs from the Sahara and Late Cretaceous Faunal Differentiation

Paul C. Sereno, Didier B. Dutheil, M. Iarochene, Hans C. E. Larsson, Gabrielle H. Lyon, Paul M. Magwene, Christian A. Sidor, David J. Varricchio, and Jeffrey A. Wilson
Science 17 May 1996: 986-991.
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Lead and Helium Isotope Evidence from Oceanic Basalts for a Common Deep Source of Mantle Plumes

B. B. Hanan and D. W. Graham
Science 17 May 1996: 991-995.
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Pre-Main-Sequence Star Candidates in the Bar of the Large Magellanic Cloud

J. P. Beaulieu, H. J. G. L. M. Lamers, P. Grison, R. Julien, C. Lanciaux, R. Ferlet, A. Vidal-Madjar, E. Bertin, E. Maurice, L. Prévot, C. Gry, J. Guibert, O. Moreau, F. Tajhmady, E. Aubourg, P. Bareyre, J. de Kat, M. Gros, B. Laurent, M. Lachièze-Rey, E. Lesquoy, C. Magneville, A. Milsztajn, L. Moscoso, F. Queinnec, C. Renault, J. Rich, M. Spiro, L. Vigroux, S. Zylberajch, R. Ansari, F. Cavalier, and M. Moniez
Science 17 May 1996: 995-997.
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Spread of Synaptic Depression Mediated by Presynaptic Cytoplasmic Signaling

Sydney Cash, Robert S. Zucker, and Mu-ming Poo
Science 17 May 1996: 998-1001.
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Structures of an MHC Class II Molecule with Covalently Bound Single Peptides

Daved H. Fremont, Wayne A. Hendrickson, Philippa Marrack, and John Kappler
Science 17 May 1996: 1001-1004.
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Specification of Pituitary Cell Lineages by the LIM Homeobox Gene Lhx3

Hui Z. Sheng, Alexander B. Zhadanov, Bedrich Mosinger, Jr., Tetsuya Fujii, Stefano Bertuzzi, Alexander Grinberg, Eric J. Lee, Sing-Ping Huang, Kathleen A. Mahon, and Heiner Westphal
Science 17 May 1996: 1004-1007.
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Enhanced Degradation of EGF Receptors by a Sorting Nexin, SNX1

Richard C. Kurten, Deborah L. Cadena, and Gordon N. Gill
Science 17 May 1996: 1008-1010.
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Determination of Life-Span in Caenorhabditis elegans by Four Clock Genes

Bernard Lakowski and Siegfried Hekimi
Science 17 May 1996: 1010-1013.
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The Role of Zinc in Selective Neuronal Death After Transient Global Cerebral Ischemia

Jae-Young Koh, Sang W. Suh, Byoung J. Gwag, Yong Y. He, Chung Y. Hsu, and Dennis W. Choi
Science 17 May 1996: 1013-1016.
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Increase in Single L-Type Calcium Channels in Hippocampal Neurons During Aging

Olivier Thibault and Philip W. Landfield
Science 17 May 1996: 1017-1020.
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Binding of APC to the Human Homolog of the Drosophila Discs Large Tumor Suppressor Protein

Akihiko Matsumine, Akiko Ogai, Takao Senda, Nobuaki Okumura, Kiyotoshi Satoh, Gyeong-Hun Baeg, Takeo Kawahara, Shigeru Kobayashi, Masato Okada, Kumao Toyoshima, and Tetsu Akiyama
Science 17 May 1996: 1020-1023.
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Binding of GSK3 to the APC--Catenin Complex and Regulation of Complex Assembly

Bonnee Rubinfeld, Iris Albert, Emilio Porfiri, Carol Fiol, Susan Munemitsu, and Paul Polakis
Science 17 May 1996: 1023-1026.
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Retinal Degeneration in Mice Lacking the Subunit of the Rod cGMP Phosphodiesterase

Stephen H. Tsang, Peter Gouras, Clyde K. Yamashita, Hild Kjeldbye, John Fisher, Debora B. Farber, and Stephen P. Goff
Science 17 May 1996: 1026-1029.
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DNA Replication Fork Pause Sites Dependent on Transcription

Atul M. Deshpande and Carol S. Newlon
Science 17 May 1996: 1030-1033.
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