Plant Volatiles: From Chemistry to Communication

The Invisible Bouquet

Pamela J. Hines
Science 10 February 2006: 803.
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Perspectives

The Molecular Basis for Wine Grape Quality-A Volatile Subject

Steven T. Lund and Joerg Bohlmann
Science 10 February 2006: 804-805.
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Flowers and Fungi Use Scents to Mimic Each Other

Roman Kaiser
Science 10 February 2006: 806-807.
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Reviews

Biosynthesis of Plant Volatiles: Nature's Diversity and Ingenuity

Eran Pichersky, Joseph P. Noel, and Natalia Dudareva
Science 10 February 2006: 808-811.
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Volatile Signaling in Plant-Plant Interactions: "Talking Trees" in the Genomics Era

Ian T. Baldwin, Rayko Halitschke, Anja Paschold, Caroline C. von Dahl, and Catherine A. Preston
Science 10 February 2006: 812-815.
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Plant Volatile Compounds: Sensory Cues for Health and Nutritional Value?

Stephen A. Goff and Harry J. Klee
Science 10 February 2006: 815-819.
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This Week in Science

Editor summaries of this week's papers.
Science 10 February 2006: 737.
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Editorial:
Seizing the Opportunities

Alan I. Leshner and Gilbert S. Omenn
Science 10 February 2006: 741.
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Editors' Choice

Highlights of the recent literature.
Science 10 February 2006: 743.
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NetWatch

Best of the Web in science.
Science 10 February 2006: 751.
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NEW PRODUCTS

Science 11 February 2006: 869.
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News of the Week

SCIENTIFIC MISCONDUCT: Investigations Document Still More Problems for Stem Cell Researchers

Sei Chong
Science 10 February 2006: 754-755.
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WOMEN'S HEALTH: Study Yields Murky Signals on Low-Fat Diets and Disease

Jennifer Couzin
Science 10 February 2006: 755.
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MOLECULAR BIOLOGY: Protein Tail Modification Opens Way for Gene Activity

Jean Marx
Science 10 February 2006: 757.
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TECTONICS: An Early Date for Raising the Roof of the World

Richard A. Kerr
Science 10 February 2006: 758.
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ASTROPHYSICS: Dwarf Galaxies May Help Define Dark Matter

Daniel Clery
Science 10 February 2006: 758-759.
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NEUROSCIENCE: Bullied Mice Implicate Brain's Reward Pathway in Mood Disorders

Constance Holden
Science 10 February 2006: 759.
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ECOLOGY: Salvage Logging Research Continues to Generate Sparks

Erik Stokstad
Science 10 February 2006: 761.
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ScienceScope

Science 10 February 2006: 757.
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Random Samples

Science 10 February 2006: 753.
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Newsmakers

Science 10 February 2006: 773.
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News Focus

SCIENCE POLICY: A Budget With Big Winners and Losers

Eli Kintisch and Jeffrey Mervis
Science 10 February 2006: 762-764.
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ANIL KAKODKAR INTERVIEW: Breaking Up (a Nuclear Program) Is Hard to Do

Pallava Bagla
Science 10 February 2006: 765-766.
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FISH BIOLOGY: Fishing for Common Ground

Elizabeth Pennisi
Science 10 February 2006: 766-767.
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EVOLUTION: Darwin's Place on Campus Is Secure--But Not Supreme

Constance Holden
Science 10 February 2006: 769-771.
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EVOLUTION: Is ID on the Way Out?

Elizabeth Culotta
Science 10 February 2006: 770.
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Letters

This Week's Letters

Science 10 February 2006: 775.
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 Peer Review and New Investigators

Michael A. Taffe
Science 10 February 2006: 775.
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 Keeping the DSCOVR Mission Alive

Francisco P. J. Valero
Science 10 February 2006: 775-776.
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 How to Measure National Stereotypes?

Robert E. McGrath, Lewis R. Goldberg;, Joachim I. Krueger, Jack C. Wright;, Antonio Terracciano, and Robert R. McCrae
Science 10 February 2006: 776-779.
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Books et al.

PUBLIC HEALTH: Chicken Monster or Chicken Little?

Steven M. Wolinsky
Science 10 February 2006: 780-781.
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PHILOSOPHY OF SCIENCE: Wallowing in the Wastebin

Douglas Allchin
Science 10 February 2006: 781-782.
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 Browsings

Science 10 February 2006: 782.
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Books Received

Science 10 February 2006: 782.
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Essays on Science and Society

GE PRIZE WINNER: How Molecular Motors Move

Ahmet Yildiz
Science 10 February 2006: 792-793.
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2005 Grand Prize Winner

Science 10 February 2006: 793.
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Policy Forum

ETHICS: Incidental Findings in Brain Imaging Research

Judy Illes, Matthew P. Kirschen, Emmeline Edwards, L R. Stanford, Peter Bandettini, Mildred K. Cho, Paul J. Ford, Gary H. Glover, Jennifer Kulynych, Ruth Macklin, Daniel B. Michael, and Susan M. Wolf
Science 10 February 2006: 783-784.
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Perspectives

CELL BIOLOGY: Double Knockout Blow for Caspases

Colin Adrain and Seamus J. Martin
Science 10 February 2006: 785-786.
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SOCIOLOGY: Experimental Macro Sociology: Predicting the Next Best Seller

Peter Hedström
Science 10 February 2006: 786-787.
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ASTRONOMY: Is the Mystery of Cosmic Magnetic Fields Solved?

Ruth Durrer
Science 10 February 2006: 787-788.
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CELL SIGNALING: A Sophisticated Scaffold Wields a New Trick

Ashton Breitkreutz and Mike Tyers
Science 10 February 2006: 789-790.
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CHEMISTRY: Enhanced: Building Molecules with Carbon Monoxide Reductive Coupling

Brad Wayland and Xuefeng Fu
Science 10 February 2006: 790-791.
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Review

Gene Regulatory Networks and the Evolution of Animal Body Plans

Eric H. Davidson and Douglas H. Erwin
Science 10 February 2006: 796-800.
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Brevia

The Age of the Sahara Desert

Mathieu Schuster, Philippe Duringer, Jean-François Ghienne, Patrick Vignaud, Hassan Taisso Mackaye, Andossa Likius, and Michel Brunet
Science 10 February 2006: 821.
Wind-driven dune deposits in the northern Chad Basin imply that at least part of the Sahara Desert had formed by 7 million years ago, earlier than had been thought. Abstract »|   Full Text »|   PDF »|  

Research Article

The Ste5 Scaffold Allosterically Modulates Signaling Output of the Yeast Mating Pathway

Roby P. Bhattacharyya, Attila Reményi, Matthew C. Good, Caleb J. Bashor, Arnold M. Falick, and Wendell A. Lim
Science 10 February 2006: 822-826.
Published online 19 January 2006 [DOI: 10.1126/science.1120941] (in Science Express Research Articles)
Scaffold proteins that support aggregates of proteins with related functions can also be allosteric regulators of those proteins. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Reports

Cosmological Magnetic Field: A Fossil of Density Perturbations in the Early Universe

Kiyotomo Ichiki, Keitaro Takahashi, Hiroshi Ohno, Hidekazu Hanayama, and Naoshi Sugiyama
Science 10 February 2006: 827-829.
Published online 5 January 2006 [DOI: 10.1126/science.1120690] (in Science Express Reports)
Scattering of photons off electrons in the primordial universe generated magnetic fields strong enough to seed magnetic fields seen in galaxies and galaxy clusters today. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Reductive Cyclotrimerization of Carbon Monoxide to the Deltate Dianion by an Organometallic Uranium Complex

Owen T. Summerscales, F. Geoffrey N. Cloke, Peter B. Hitchcock, Jennifer C. Green, and Nilay Hazari
Science 10 February 2006: 829-831.
Thanks to its f-orbital chemistry, a uranium complex can join three CO molecules into a triangle, a coupling reaction that has been elusive because of the strong C-O triple bonds. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

A Molecular Jump Mechanism of Water Reorientation

Damien Laage and James T. Hynes
Science 10 February 2006: 832-835.
Published online 26 January 2006 [DOI: 10.1126/science.1122154] (in Science Express Reports)
Simulations suggest that water molecules can rotate in large jumps as the broken hydrogen bonds redistribute concertedly, not diffusively, among neighboring molecules. Abstract »|   Full Text »|   PDF »|  

The Role of Pair Dispersion in Turbulent Flow

Mickaël Bourgoin, Nicholas T. Ouellette, Haitao Xu, Jacob Berg, and Eberhard Bodenschatz
Science 10 February 2006: 835-838.
Visualization of particles in violently turbulent flows, such as pollutants in the atmosphere, shows that initial separation distance influences their subsequent mixing or spreading. Abstract »|   Full Text »|   PDF »|  

Late Quaternary Atmospheric CH₄ Isotope Record Suggests Marine Clathrates Are Stable

Todd Sowers
Science 10 February 2006: 838-840.
Hydrogen isotopes in methane from Greenland ice cores show that marine clathrates did not produce the atmospheric methane jumps seen in abrupt warming events during the last glacial period. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

The Spatial Extent of 20th-Century Warmth in the Context of the Past 1200 Years

Timothy J. Osborn and Keith R. Briffa
Science 10 February 2006: 841-844.
The geographical extent of 20th-century warming is greater than that of any other extremely warm or cold interval during the past 1200 years. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Histone H4-K16 Acetylation Controls Chromatin Structure and Protein Interactions

Michael Shogren-Knaak, Haruhiko Ishii, Jian-Min Sun, Michael J. Pazin, James R. Davie, and Craig L. Peterson
Science 10 February 2006: 844-847.
Acetylation of histones, major regulators of chromatin structure and function, inhibits tight packing of chromatin and occurs more frequently near active genes. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Caspases 3 and 7: Key Mediators of Mitochondrial Events of Apoptosis

Saquib A. Lakhani, Ali Masud, Keisuke Kuida, George A. Porter, Jr., Carmen J. Booth, Wajahat Z. Mehal, Irteza Inayat, and Richard A. Flavell
Science 10 February 2006: 847-851.
Two key enzymes that degrade cellular proteins late during programmed cell death unexpectedly also act in the early stages of the process. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Translational Regulators Maintain Totipotency in the Caenorhabditis elegans Germline

Rafal Ciosk, Michael DePalma, and James R. Priess
Science 10 February 2006: 851-853.
In nematodes, germ cells are actively prevented from differentiating into somatic cells by RNA-binding proteins. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Experimental Study of Inequality and Unpredictability in an Artificial Cultural Market

Matthew J. Salganik, Peter Sheridan Dodds, and Duncan J. Watts
Science 10 February 2006: 854-856.
Access to information about other people's musical choices changes one's own selections, exaggerating the market success of certain songs and introducing uncertainty. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

The Nucleosomal Surface as a Docking Station for Kaposi's Sarcoma Herpesvirus LANA

Andrew J. Barbera, Jayanth V. Chodaparambil, Brenna Kelley-Clarke, Vladimir Joukov, Johannes C. Walter, Karolin Luger, and Kenneth M. Kaye
Science 10 February 2006: 856-861.
The Kaposi's sarcoma herpesvirus hitchhikes on its host's chromosomes by binding to an acidic region on histones, resulting in efficient distribution to daughter cells during mitosis. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Neurochemical Modulation of Response Inhibition and Probabilistic Learning in Humans

Samuel R. Chamberlain, Ulrich Müller, Andrew D. Blackwell, Luke Clark, Trevor W. Robbins, and Barbara J. Sahakian
Science 10 February 2006: 861-863.
Inhibition of neurotransmitters in the human prefrontal cortex identifies those pathways required for associative learning and for control of impulsive movements. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Essential Role of BDNF in the Mesolimbic Dopamine Pathway in Social Defeat Stress

Olivier Berton, Colleen A. McClung, Ralph J. DiLeone, Vaishnav Krishnan, William Renthal, Scott J. Russo, Danielle Graham, Nadia M. Tsankova, Carlos A. Bolanos, Maribel Rios, Lisa M. Monteggia, David W. Self, and Eric J. Nestler
Science 10 February 2006: 864-868.
Learning to avoid unpleasant encounters requires the action of a growth factor within the reward pathways of the rat brain, an effect that can be blocked with antidepressant drugs. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Technical Comments

Comment on "Zircon Thermometer Reveals Minimum Melting Conditions on Earliest Earth" I

Andrew Glikson
Science 10 February 2006: 779.
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Comment on "Zircon Thermometer Reveals Minimum Melting Conditions on Earliest Earth" II

Allen P. Nutman
Science 10 February 2006: 779.
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Response to Comments on "Zircon Thermometer Reveals Minimum Melting Conditions on Earliest Earth"

E. B. Watson and T. M. Harrison
Science 10 February 2006: 779.
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