This Week in Science

Editor summaries of this week's papers.
Science 20 July 2007: 292.
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Editorial:
Playing Climate Change Poker

Colin Challen
Science 20 July 2007: 295.
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Editors' Choice

Highlights of the recent literature.
Science 20 July 2007: 296.
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NEW PRODUCTS

Science 20 July 2007: 387.
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News of the Week

DEPARTMENT OF ENERGY: Nuclear Weapons Milestone Triggers U.S. Policy Debate

Eli Kintisch
Science 20 July 2007: 304-305.
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BIOTECHNOLOGY: Singapore Firm Abandons Plans for Stem Cell Therapies

Dennis Normile
Science 20 July 2007: 305.
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FISHERIES MANAGEMENT: Conservationists and Fishers Face Off Over Hawaii's Marine Riches

Christopher Pala
Science 20 July 2007: 306-307.
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PALEOHYDROLOGY: Did a Megaflood Slice Off Britain?

Richard A. Kerr
Science 20 July 2007: 307.
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COMPUTER SCIENCE: Program Proves That Checkers, Perfectly Played, Is a No-Win Situation

Adrian Cho
Science 20 July 2007: 308-309.
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U.S. SCIENCE FUNDING: Pentagon Is Looking for a Few Good Scientists

Yudhijit Bhattacharjee
Science 20 July 2007: 308.
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U.S. WEATHER FORECASTING: Satellite Kicks Up a Storm Looking Out for Hurricanes

Eli Kintisch
Science 20 July 2007: 309.
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ScienceScope

Science 20 July 2007: 307.
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Random Samples

Science 20 July 2007: 301.
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Newsmakers

Science 20 July 2007: 303.
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News Focus

ENTOMOLOGY: Welcome to Ethiopia's Fly Factory

Martin Enserink
Science 20 July 2007: 310-313.
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ENTOMOLOGY: Proven Technology May Get a Makeover

Martin Enserink
Science 20 July 2007: 312-313.
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ECOLOGY: Getting at the Roots of Killer Dust Storms

Dennis Normile
Science 20 July 2007: 314-316.
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GENOME SEQUENCING: The Greening of Plant Genomics

Elizabeth Pennisi
Science 20 July 2007: 317.
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Letters

This Week's Letters

Science 20 July 2007: 318.
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 Reminding Scientists of Their Civic Duties

Rustum Roy
Science 20 July 2007: 318.
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 Insula Damage and Quitting Smoking

Stanislav R. Vorel, Adam Bisaga, Guy McKhann, Herbert D. Kleber;, Nasir H. Naqvi, David Rudrauf, Hanna Damasio, and Antoine Bechara
Science 20 July 2007: 318-319.
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 Not Necessarily the First

Jonathan P. Lynch
Science 20 July 2007: 319.
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 Corrections and Clarifications

Science 20 July 2007: 320.
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Books et al.

OCEANS: Fragile Frontiers in the Abyss

Cindy Lee Van Dover
Science 20 July 2007: 321-322.
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BROWSINGS

Science 20 July 2007: 321.
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DEVELOPMENTAL BIOLOGY: Passage to Global Stem Cells

M. Ian Phillips
Science 20 July 2007: 322.
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Books Received

Science 20 July 2007: 322.
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Policy Forum

SUSTAINABILITY: Education for a Sustainable Future

Debra Rowe
Science 20 July 2007: 323-324.
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Perspectives

ASTRONOMY: Seeing the Surfaces of Stars

Andreas Quirrenbach
Science 20 July 2007: 325-326.
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NEUROSCIENCE: Brainwashing, Honeybee Style

C. Giovanni Galizia
Science 20 July 2007: 326-327.
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MICROBIOLOGY: Life on the Thermodynamic Edge

Edward F. DeLong
Science 20 July 2007: 327-328.
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IMMUNOLOGY: Outwitted by Viral RNAs

Bryan R. Cullen
Science 20 July 2007: 329-330.
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CELL SIGNALING: A Ciliary Signaling Switch

Søren Tvorup Christensen and Carolyn Marie Ott
Science 20 July 2007: 330-331.
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CHEMISTRY: Learning Nature's Way: Biosensing with Synthetic Nanopores

Charles R. Martin and Zuzanna S. Siwy
Science 20 July 2007: 331-332.
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Review

Motor Proteins at Work for Nanotechnology

Martin G. L. van den Heuvel and Cees Dekker
Science 20 July 2007: 333-336.
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Brevia

Tumor Growth Need Not Be Driven by Rare Cancer Stem Cells

Priscilla N. Kelly, Aleksandar Dakic, Jerry M. Adams, Stephen L. Nutt, and Andreas Strasser
Science 20 July 2007: 337.
Many of the lymphoma and leukemia cells in mice can seed new tumors, a result inconsistent with the hypothesis that tumor growth is driven by rare cancer stem cells. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Research Article

Common Sequence Polymorphisms Shaping Genetic Diversity in Arabidopsis thaliana

Richard M. Clark, Gabriele Schweikert, Christopher Toomajian, Stephan Ossowski, Georg Zeller, Paul Shinn, Norman Warthmann, Tina T. Hu, Glenn Fu, David A. Hinds, Huaming Chen, Kelly A. Frazer, Daniel H. Huson, Bernhard Schölkopf, Magnus Nordborg, Gunnar Rätsch, Joseph R. Ecker, and Detlef Weigel
Science 20 July 2007: 338-342.
Extensive variation in the genome sequences of 20 strains of Arabidopsis thaliana indicate a prominent role for biotic interactions in shaping its genetic diversity. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Reports

Imaging the Surface of Altair

John D. Monnier, M. Zhao, E. Pedretti, N. Thureau, M. Ireland, P. Muirhead, J.-P. Berger, R. Millan-Gabet, G. Van Belle, T. ten Brummelaar, H. McAlister, S. Ridgway, N. Turner, L. Sturmann, J. Sturmann, and D. Berger
Science 20 July 2007: 342-345.
Published online 31 May 2007 [DOI: 10.1126/science.1143205] (in Science Express Reports)
Optical interferometry at the surface of the star Altair suggests that its elongate shape and brightness may reflect unusual differential rotation near its equator. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

The Crystallization Age of Eucrite Zircon

G. Srinivasan, M. J. Whitehouse, I. Weber, and A. Yamaguchi
Science 20 July 2007: 345-347.
Hafnium-tungsten isotopes imply that eucrites, which sample an early planetesimal, crystallized rapidly within 7 million years, after metal segregated to form a core. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Boundary Layer Halogens in Coastal Antarctica

Alfonso Saiz-Lopez, Anoop S. Mahajan, Rhian A. Salmon, Stephane J.-B. Bauguitte, Anna E. Jones, Howard K. Roscoe, and John M. C. Plane
Science 20 July 2007: 348-351.
Year-round measurements of BrO and IO in Antarctica reveal the surprising presence of high concentrations of both species, even during the sunlit period. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Intra- and Intermolecular Band Dispersion in an Organic Crystal

G. Koller, S. Berkebile, M. Oehzelt, P. Puschnig, C. Ambrosch-Draxl, F. P. Netzer, and M. G. Ramsey
Science 20 July 2007: 351-355.
Attaining a well-ordered film of an organic semiconductor reveals that its band structure parallel to the main axis of the molecule is different from that perpendicular to it. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Spontaneous Superlattice Formation in Nanorods Through Partial Cation Exchange

Richard D. Robinson, Bryce Sadtler, Denis O. Demchenko, Can K. Erdonmez, Lin-Wang Wang, and A. Paul Alivisatos
Science 20 July 2007: 355-358.
Straining a cadmium sulfide nanorod during its growth from colloids allows fine control over the spacing of silver-sulfide quantum dots and their emission of near-infrared light. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

A Late Triassic Dinosauromorph Assemblage from New Mexico and the Rise of Dinosaurs

Randall B. Irmis, Sterling J. Nesbitt, Kevin Padian, Nathan D. Smith, Alan H. Turner, Daniel Woody, and Alex Downs
Science 20 July 2007: 358-361.
The co-occurrence of fossils of dinosaurs and their earlier relatives in New Mexico and elsewhere imply that the Late Triassic rise of dinosaurs was gradual, not sudden. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Genetic Diversity in Honey Bee Colonies Enhances Productivity and Fitness

Heather R. Mattila and Thomas D. Seeley
Science 20 July 2007: 362-364.
Honey bee hives with genetically diverse members stored more food and thus survived better than those with members from a single male founder. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

PDZ Domain Binding Selectivity Is Optimized Across the Mouse Proteome

Michael A. Stiffler, Jiunn R. Chen, Viara P. Grantcharova, Ying Lei, Daniel Fuchs, John E. Allen, Lioudmila A. Zaslavskaia, and Gavin MacBeath
Science 20 July 2007: 364-369.
The variations in binding selectivity of a common protein binding domain are evenly distributed in selectivity space, rather than arranged in discrete clusters as had been assumed. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Brain IRS2 Signaling Coordinates Life Span and Nutrient Homeostasis

Akiko Taguchi, Lynn M. Wartschow, and Morris F. White
Science 20 July 2007: 369-372.
Mice engineered with a brain-specific decrease in insulin-like signaling have their life spans extended as much as those in mice with a similar defect throughout their bodies. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Patched1 Regulates Hedgehog Signaling at the Primary Cilium

Rajat Rohatgi, Ljiljana Milenkovic, and Matthew P. Scott
Science 20 July 2007: 372-376.
Signaling on cilia occurs when a soluble ligand binds to a receptor and relieves an inhibitory interaction, allowing regulation of development and other processes. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Host Immune System Gene Targeting by a Viral miRNA

Noam Stern-Ginossar, Naama Elefant, Albert Zimmermann, Dana G. Wolf, Nivin Saleh, Moshe Biton, Elad Horwitz, Zafnat Prokocimer, Mark Prichard, Gabriele Hahn, Debra Goldman-Wohl, Caryn Greenfield, Simcha Yagel, Hartmut Hengel, Yael Altuvia, Hanah Margalit, and Ofer Mandelboim
Science 20 July 2007: 376-381.
Cytomegalovirus aids its own survival by encoding a microRNA that inhibits, in the infected host cell, translation of a ligand that would normally trigger antiviral responses. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Mosaic Organization of Neural Stem Cells in the Adult Brain

Florian T. Merkle, Zaman Mirzadeh, and Arturo Alvarez-Buylla
Science 20 July 2007: 381-384.
Published online 5 July 2007 [DOI: 10.1126/science.1144914] (in Science Express Reports)
The various types of neurons that migrate to adult mouse olfactory cortex are each born in a different subregion of the stem cell area, the subventricular zone. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Queen Pheromone Blocks Aversive Learning in Young Worker Bees

Vanina Vergoz, Haley A. Schreurs, and Alison R. Mercer
Science 20 July 2007: 384-386.
A pheromone produced by honey bee queens prevents aversive learning in workers, possibly to prevent the queen's attendants from forming an aversion to their mother. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Technical Comments

Comment on "Redefining the Age of Clovis: Implications for the Peopling of the Americas"

Gary Haynes, David G. Anderson, C. Reid Ferring, Stuart J. Fiedel, Donald K. Grayson, C. Vance Haynes, Jr., Vance T. Holliday, Bruce B. Huckell, Marcel Kornfeld, David J. Meltzer, Julie Morrow, Todd Surovell, Nicole M. Waguespack, Peter Wigand, and Robert M. Yohe, II
Science 20 July 2007: 320.
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Response to Comment on "Redefining the Age of Clovis: Implications for the Peopling of the Americas"

Michael R. Waters and Thomas W. Stafford, Jr.
Science 20 July 2007: 320.
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