This Week in Science

Editor summaries of this week's papers.
Science 23 February 2007: 1049.
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Editorial:
Science, Information, and Power

Donald Kennedy
Science 23 February 2007: 1053.
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Editors' Choice

Highlights of the recent literature.
Science 23 February 2007: 1054.
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NEW PRODUCTS

Science 23 February 2007: 1154.
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News of the Week

U.S. 2007 BUDGET: NSF Enjoys a Heartfelt Ending to a Difficult Budget Year

Jeffrey Mervis
Science 23 February 2007: 1062-1063.
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PRIMATE BEHAVIOR: Spear-Wielding Chimps Seen Hunting Bush Babies

Ann Gibbons
Science 23 February 2007: 1063.
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SCIENTIFIC PUBLISHING: European Union Steps Back From Open-Access Leap

Martin Enserink
Science 23 February 2007: 1065.
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MATHEMATICS: Quasi-Crystal Conundrum Opens a Tiling Can of Worms

John Bohannon
Science 23 February 2007: 1066.
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ARCHAEOLOGY: Clovis Technology Flowered Briefly and Late, Dates Suggest

Charles C. Mann
Science 23 February 2007: 1067.
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AAAS ANNUAL MEETING: Wedging Sustainability Into Public Consciousness

Robert Coontz
Science 23 February 2007: 1068-1069.
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ENVIRONMENTAL REGULATION: U.S. Courts Say Transgenic Crops Need Tighter Scrutiny

Dan Charles
Science 23 February 2007: 1069.
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ScienceScope

Science 23 February 2007: 1065.
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Random Samples

Science 23 February 2007: 1059.
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Newsmakers

Science 23 February 2007: 1061.
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News Focus

BIODIVERSITY: Reconstructing Brazil's Atlantic Rainforest

Bernice Wuethrich
Science 23 February 2007: 1070-1072.
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U.S. DEPARTMENT OF AGRICULTURE: Farm Bill May Contain Seeds for More Robust Research

Erik Stokstad
Science 23 February 2007: 1073.
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NICOLA CLAYTON PROFILE: Nicky and the Jays

Virginia Morell
Science 23 February 2007: 1074-1075.
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Letters

This Week's Letters

Science 23 February 2007: 1076.
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 Developing Drugs for Tuberculosis

Andrew Farlow;, Seth W. Glickman, Emma B. Rasiel, Carol Dukes Hamilton, and Kevin A. Schulman
Science 23 February 2007: 1076-1077.
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 A Way to Deal with Image Enhancement

Lawrence Bodenstein
Science 23 February 2007: 1077.
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 Recognizing William Bateson's Contributions

Jeffrey H. Schwartz
Science 23 February 2007: 1077.
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 Corrections and Clarifications

Science 23 February 2007: 1077.
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Books et al.

NEUROSCIENCE: Dangers of Brain-o-vision

Daniel M. Wegner
Science 23 February 2007: 1078.
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NEUROSCIENCE: Perceptions of a Receptor

David Colquhoun
Science 23 February 2007: 1079.
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Books Received

Science 23 February 2007: 1079.
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Education Forum

ASSESSMENT: Standardized Tests Predict Graduate Students' Success

Nathan R. Kuncel and Sarah A. Hezlett
Science 23 February 2007: 1080-1081.
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Perspectives

MICROBIOLOGY: Mayhem in the Lung

Barbara C. Kahl and Georg Peters
Science 23 February 2007: 1082-1083.
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MATERIALS SCIENCE: Better Geometry Through Chemistry

Randall D. Kamien
Science 23 February 2007: 1083-1084.
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OCEANS: Climate Drives Sea Change

Charles H. Greene and Andrew J. Pershing
Science 23 February 2007: 1084-1085.
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ASTRONOMY: Nebulae Around Evolved Stars

Noam Soker
Science 23 February 2007: 1086-1087.
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CHEMISTRY: Charge Flipping and Beyond

Hermann Gies
Science 23 February 2007: 1087-1088.
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PLANT SCIENCE: Nibbling at the Plant Cell Nucleus

Jeffery L. Dangl
Science 23 February 2007: 1088-1089.
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Association Affairs

AAAS News and Notes

Science 23 February 2007: 1090-1091.
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Review

A Route to the Brightest Possible Neutron Source?

Andrew Taylor, Mike Dunne, Steve Bennington, Stuart Ansell, Ian Gardner, Peter Norreys, Tim Broome, David Findlay, and Richard Nelmes
Science 23 February 2007: 1092-1095.
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Brevia

Electrical Activity During the 2006 Mount St. Augustine Volcanic Eruptions

R. J. Thomas, P. R. Krehbiel, W. Rison, H. E. Edens, G. D. Aulich, W. P. Winn, S. R. McNutt, G. Tytgat, and E. Clark
Science 23 February 2007: 1097.
Lightning was produced during an eruption of Mount Augustine by direct electric charging of dust in the initial explosion and later from charging in the volcanic plume. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Research Article

Nuclear Activity of MLA Immune Receptors Links Isolate-Specific and Basal Disease-Resistance Responses

Qian-Hua Shen, Yusuke Saijo, Stefan Mauch, Christoph Biskup, Stéphane Bieri, Beat Keller, Hikaru Seki, Bekir Ülker, Imre E. Somssich, and Paul Schulze-Lefert
Science 23 February 2007: 1098-1103.
Published online 21 December 2006 [DOI: 10.1126/science.1136372] (in Science Express Research Articles)
Plant immune receptors that detect pathogen attack trigger resistance responses by derepressing a transcriptional regulatory loop. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Reports

The Triple-Ring Nebula Around SN 1987A: Fingerprint of a Binary Merger

Thomas Morris and Philipp Podsiadlowski
Science 23 February 2007: 1103-1106.
Simulations show that released angular momentum from a merger of two massive stars to form Supernova 1987A caused the ejected gas to form the observed triple-ring structure. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Decagonal and Quasi-Crystalline Tilings in Medieval Islamic Architecture

Peter J. Lu and Paul J. Steinhardt
Science 23 February 2007: 1106-1110.
Medieval Islamic artisans used polygonal tiles to create quasi-crystalline patterns for architectural tile decorations long before the discovery of such patterns in the West. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Ex Situ NMR in Highly Homogeneous Fields: ¹H Spectroscopy

Juan Perlo, Federico Casanova, and Bernhard Blümich
Science 23 February 2007: 1110-1112.
Published online 11 January 2007 [DOI: 10.1126/science.1135499] (in Science Express Reports)
A movable array of permanent magnets can produce a homogeneous magnetic field anywhere, allowing portable nuclear magnetic resonance spectroscopy at high resolution. Abstract »|   Full Text »|   PDF »|  

Structure of the Polycrystalline Zeolite Catalyst IM-5 Solved by Enhanced Charge Flipping

Christian Baerlocher, Fabian Gramm, Lars Massüger, Lynne B. McCusker, Zhanbing He, Sven Hovmöller, and Xiaodong Zou
Science 23 February 2007: 1113-1116.
An algorithm yields the crystal structure of complex porous materials such as zeolites from microscopy and powder diffraction data when clean single crystals are inaccessible. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Shaping of Elastic Sheets by Prescription of Non-Euclidean Metrics

Yael Klein, Efi Efrati, and Eran Sharon
Science 23 February 2007: 1116-1120.
Non-Euclidean metrics can predict patterns of buckling and wrinkling in thin elastic sheets. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Focusing Beyond the Diffraction Limit with Far-Field Time Reversal

Geoffroy Lerosey, Julien de Rosny, Arnaud Tourin, and Mathias Fink
Science 23 February 2007: 1120-1122.
A time-reversal mirror focuses microwaves, including those scattered randomly, on a distant receiver array to improve resolution to better than 1/30th of the wavelength. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Redefining the Age of Clovis: Implications for the Peopling of the Americas

Michael R. Waters and Thomas W. Stafford, Jr.
Science 23 February 2007: 1122-1126.
New radiocarbon dates and a reassessment of existing dates imply that the Clovis culture thrived in the New World for only 250 years, perhaps following an earlier colonization. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Quantitative Phylogenetic Assessment of Microbial Communities in Diverse Environments

C. von Mering, P. Hugenholtz, J. Raes, S. G. Tringe, T. Doerks, L. J. Jensen, N. Ward, and P. Bork
Science 23 February 2007: 1126-1130.
Published online 1 February 2007 [DOI: 10.1126/science.1133420] (in Science Express Reports)
Analysis of microbial protein-coding genes from several ecosystems shows that taxa prefer certain habitats and that evolution is faster in some places than in others. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Staphylococcus aureus Panton-Valentine Leukocidin Causes Necrotizing Pneumonia

Maria Labandeira-Rey, Florence Couzon, Sandrine Boisset, Eric L. Brown, Michele Bes, Yvonne Benito, Elena M. Barbu, Vanessa Vazquez, Magnus Höök, Jerome Etienne, François Vandenesch, and M. Gabriela Bowden
Science 23 February 2007: 1130-1133.
Published online 18 January 2007 [DOI: 10.1126/science.1137165] (in Science Express Reports)
A virulent form of drug-resistant bacterium not only carries genes for a potent toxin but also makes more of an inflammatory factor, exacerbating the resulting pneumonia. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Regulation of Drosophila Life Span by Olfaction and Food-Derived Odors

Sergiy Libert, Jessica Zwiener, Xiaowen Chu, Wayne VanVoorhies, Gregg Roman, and Scott D. Pletcher
Science 23 February 2007: 1133-1137.
Published online 1 February 2007 [DOI: 10.1126/science.1136610] (in Science Express Reports)
In flies, the ability of a severely calorie-restricted diet to extend life span can be partially reversed by exposing the flies to the odor of their main food, yeast. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Redirection of Silencing Targets by Adenosine-to-Inosine Editing of miRNAs

Yukio Kawahara, Boris Zinshteyn, Praveen Sethupathy, Hisashi Iizasa, Artemis G. Hatzigeorgiou, and Kazuko Nishikura
Science 23 February 2007: 1137-1140.
Editing of a particular miRNA--changing adenosine to inosine--alters which mRNAs the miRNA targets for degradation, which in turn changes uric acid levels in the brain. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Gene Body-Specific Methylation on the Active X Chromosome

Asaf Hellman and Andrew Chess
Science 23 February 2007: 1141-1143.
Transcribed portions of genes on the active human X chromosome are unexpectedly hypermethylated, usually considered an inactivating mechanism at promotors. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Reversal of Neurological Defects in a Mouse Model of Rett Syndrome

Jacky Guy, Jian Gan, Jim Selfridge, Stuart Cobb, and Adrian Bird
Science 23 February 2007: 1143-1147.
Published online 8 February 2007 [DOI: 10.1126/science.1138389] (in Science Express Reports)
In a mouse replica of an autism-like genetic disorder, reactivation of the defective gene after symptoms appear ameliorates the disease, suggesting a therapeutic approach. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|