This Week in Science

Editor summaries of this week's papers.
Science 10 September 2004: 1527.
|Full Text »

Editorial:
International Science Meetings

Jane Lubchenco and Goverdhan Mehta
Science 10 September 2004: 1531.
Summary »|   PDF »|  

Editors' Choice

Highlights of the recent literature.
Science 10 September 2004: 1533.
|Full Text »

NetWatch

Best of the Web in science.
Science 10 September 2004: 1543.
|Full Text »

 New Products

Science 10 September 2004: 1635.
PDF »|  

News of the Week

STEM CELL POLITICS:
California Debates Whether to Become Stem Cell Heavyweight

Gretchen Vogel
Science 10 September 2004: 1544-1545.
Summary »|   Full Text »|   PDF »|  

AIDS VACCINES:
HIV Dodges One-Two Punch

Jon Cohen
Science 10 September 2004: 1545-1547.
Summary »|   Full Text »|   PDF »|  

JAPAN BUDGET:
Science Ministry Puts In for Big Increases

Dennis Normile
Science 10 September 2004: 1547.
Summary »|   Full Text »|   PDF »|  

CLIMATE CHANGE:
Changes in Planktonic Food Web Hint At Major Disruptions in Atlantic

Erik Stokstad
Science 10 September 2004: 1548-1549.
Summary »|   Full Text »|   PDF »|  

SCIENTIFIC PUBLISHING:
NIH Proposes 6-Month Public Access to Papers

Jocelyn Kaiser
Science 10 September 2004: 1548.
Summary »|   Full Text »|   PDF »|  

NUCLEAR PROLIFERATION:
South Korea Admits to Laser Enrichment Program

Charles Seife
Science 10 September 2004: 1549.
Summary »|   Full Text »|   PDF »|  

EUROPEAN UNION:
The Commissioner Who Listened

Martin Enserink
Science 10 September 2004: 1551.
Summary »|   Full Text »|   PDF »|  

ScienceScope

Science 10 September 2004: 1547.
|Full Text »

Random Samples

Science 10 September 2004: 1560.
|Full Text »

News Focus

SCIENCE POLICY:
The Man Behind the Memos

Jocelyn Kaiser
Science 10 September 2004: 1552-1553.
Summary »|   Full Text »|   PDF »|  

ENDANGERED SPECIES ACT:
Can California Ranchers Save the Tiger Salamander?

Erik Stokstad
Science 10 September 2004: 1554.
Summary »|   Full Text »|   PDF »|  

BRIAN FAGAN PROFILE:
Archaeologist Leaves an Imprint on His Field--Without Research

Michael Balter
Science 10 September 2004: 1555.
Summary »|   Full Text »|   PDF »|  

OCEAN ECOLOGY:
Dead Zone Fix Not a Dead Issue

Dan Ferber
Science 10 September 2004: 1557.
Summary »|   Full Text »|   PDF »|  

AMERICAN CHEMICAL SOCIETY MEETING:
Finding Reactions in a Haystack: Try 'em All, See What Works

Robert F. Service
Science 10 September 2004: 1558.
Summary »|   Full Text »|   PDF »|  

AMERICAN CHEMICAL SOCIETY MEETING:
Enzyme Deactivates Heart-Friendly HDL

Robert F. Service
Science 10 September 2004: 1558-1559.
Summary »|   Full Text »|   PDF »|  

AMERICAN CHEMICAL SOCIETY MEETING:
Breaking a Barrier to New Brain Images

Robert F. Service
Science 10 September 2004: 1559.
Summary »|   Full Text »|   PDF »|  

AMERICAN CHEMICAL SOCIETY MEETING:
Snapshots From the Meeting

Robert F. Service.
Science 10 September 2004: 1559.
Summary »|   Full Text »|   PDF »|  

Letters

This Week's Letters

Science 10 September 2004: 1563.
Summary »|   PDF »|  

 Extinction Rates and Butterflies

Clive Hambler, Martin R. Speight, Jeremy A. Thomas, and Ralph T. Clarke
Science 10 September 2004: 1563-1565.
Full Text »|   PDF »|  

 Noguchi's Contributions to Science

Pinghui V. Liu
Science 10 September 2004: 1565.
Full Text »|   PDF »|  

 Networks by Design: A Revolution in Ecology

Sandy J. Andelman and Michael R. Willig
Science 10 September 2004: 1565-1567.
Full Text »|   PDF »|  

 CORRECTIONS AND CLARIFICATIONS

Science 10 September 2004: 1567.
Full Text »|   PDF »|   Supporting Online Material »|  

Books et al.

TECHNOLOGY:
The Value of Things to Come

Domenico Grasso
Science 10 September 2004: 1568-1569.
Summary »|   Full Text »|   PDF »|  

HISTORY OF SCIENCE:
Building Circuits of Trust

Sungook Hong
Science 10 September 2004: 1569-1570.
Summary »|   Full Text »|   PDF »|  

 Browsings

Science 10 September 2004: 1570.
Full Text »|   PDF »|  

 Books Received

Science 10 September 2004: 1570.

Policy Forum

BIOTECHNOLOGY:
Japanese Controversies over Transgenic Crop Regulation

Kazuo N. Watanabe, Mohammad Taeb, and Haruko Okusu
Science 10 September 2004: 1572.
Summary »|   Full Text »|   PDF »|  

Perspectives

STRUCTURAL BIOLOGY:
The Atomic Architecture of a Gas Channel

Mark A. Knepper and Peter Agre
Science 10 September 2004: 1573-1574.
Summary »|   Full Text »|   PDF »|  

PHYSICS:
Visualizing the Dynamics of the Onset of Turbulence

Friedrich H. Busse
Science 10 September 2004: 1574-1575.
Summary »|   Full Text »|   PDF »|  

CHEMISTRY:
Multidimensional Snapshots of Chemical Dynamics

Albert Stolow and David M. Jonas
Science 10 September 2004: 1575-1577.
Summary »|   Full Text »|   PDF »|  

MICROBIOLOGY:
Enhanced: Pathogenic Bacteria Prefer Heme

Tracey A. Rouault
Science 10 September 2004: 1577-1578.
Summary »|   Full Text »|   PDF »|  

MICROBIOLOGY:
Noninherited Resistance to Antibiotics

Bruce R. Levin
Science 10 September 2004: 1578-1579.
Summary »|   Full Text »|   PDF »|  

Brevia

Asymmetric Cochlear Processing Mimics Hemispheric Specialization

Y. S. Sininger and B. Cone-Wesson
Science 10 September 2004: 1581.
In human infants, the right ear responds preferentially to speechlike sounds, whereas the left responds better to tones, correlating with functional brain asymmetries in adults. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Research Articles

Jupiter's Atmospheric Composition from the Cassini Thermal Infrared Spectroscopy Experiment

V. G. Kunde, F. M. Flasar, D. E. Jennings, B. Bézard, D. F. Strobel, B. J. Conrath, C. A. Nixon, G. L. Bjoraker, P. N. Romani, R. K. Achterberg, A. A. Simon-Miller, P. Irwin, J. C. Brasunas, J. C. Pearl, M. D. Smith, G. S. Orton, P. J. Gierasch, L. J. Spilker, R. C. Carlson, A. A. Mamoutkine, S. B. Calcutt, P. L. Read, F. W. Taylor, T. Fouchet, P. Parrish, A. Barucci, R. Courtin, A. Coustenis, D. Gautier, E. Lellouch, A. Marten, R. Prangé, Y. Biraud, C. Ferrari, T. C. Owen, M. M. Abbas, R. E. Samuelson, F. Raulin, P. Ade, C. J. Césarsky, K. U. Grossman, and A. Coradini
Science 10 September 2004: 1582-1586.
Published online 19 August 2004 [DOI: 10.1126/science.1100240] (in Science Express Research Articles)
Jupiter's stratosphere contains methyl radical and diacetylene, and locally high levels of carbon dioxide and hydrogen cyanide that still remain from the comet Shoemaker-Levy 9 impact. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Mechanism of Ammonia Transport by Amt/MEP/Rh: Structure of AmtB at 1.35 Å

Shahram Khademi, Joseph O'Connell, III, Jonathan Remis, Yaneth Robles-Colmenares, Larry J. W. Miercke, and Robert M. Stroud
Science 10 September 2004: 1587-1594.
A high-resolution structure of a specific transporter shows that gaseous ammonia, not charged protonated ammonium, moves across cellular membranes. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Reports

Experimental Observation of Nonlinear Traveling Waves in Turbulent Pipe Flow

Björn Hof, Casimir W. H. van Doorne, Jerry Westerweel, Frans T. M. Nieuwstadt, Holger Faisst, Bruno Eckhardt, Hakan Wedin, Richard R. Kerswell, and Fabian Waleffe
Science 10 September 2004: 1594-1598.
Observations confirm theory, showing that if traveling waves move slightly faster than the flow in a pipe, they may induce turbulence at even moderate flow rates. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Mesophase Structure-Mechanical and Ionic Transport Correlations in Extended Amphiphilic Dendrons

B.-K. Cho, A. Jain, S. M. Gruner, and U. Wiesner
Science 10 September 2004: 1598-1601.
Polymers that are highly branched at one end assemble into complex three-dimensional structures that have mechanical properties and conductivity that correlate with morphology. Abstract »|   Full Text »|   PDF »|  

DNA-Templated Organic Synthesis and Selection of a Library of Macrocycles

Zev J. Gartner, Brian N. Tse, Rozalina Grubina, Jeffrey B. Doyon, Thomas M. Snyder, and David R. Liu
Science 10 September 2004: 1601-1605.
Published online 19 August 2004 [DOI: 10.1126/science.1102629] (in Science Express Reports)
DNA-tagged peptide-like building blocks, together with longer complementary DNA strands, enable the formation and selection of a variety of macrocyclic molecules. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Hydrophobic Collapse in Multidomain Protein Folding

Ruhong Zhou, Xuhui Huang, Claudio J. Margulis, and Bruce J. Berne
Science 10 September 2004: 1605-1609.
Simulations of the folding of an enzyme reveal that a layer of liquid water remains between large hydrophobic domains. Abstract »|   Full Text »|   PDF »|  

Climate Impact on Plankton Ecosystems in the Northeast Atlantic

Anthony J. Richardson and David S. Schoeman
Science 10 September 2004: 1609-1612.
Because of warming of the Northeastern Atlantic, the abundance of phytoplankton has increased in cooler waters and decreased in warmer waters, shifting the base of the marine food web. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Methanobactin, a Copper-Acquisition Compound from Methane-Oxidizing Bacteria

Hyung J. Kim, David W. Graham, Alan A. DiSpirito, Michail A. Alterman, Nadezhda Galeva, Cynthia K. Larive, Dan Asunskis, and Peter M. A. Sherwood
Science 10 September 2004: 1612-1615.
The structure of a small, yellow, fluorescent peptide from methanotrophic bacteria suggests that it may bind copper extracellularly and mediate its uptake. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Activation of Endogenous Cdc42 Visualized in Living Cells

Perihan Nalbant, Louis Hodgson, Vadim Kraynov, Alexei Toutchkine, and Klaus M. Hahn
Science 10 September 2004: 1615-1619.
A new reagent reveals when and where a specific small regulatory molecule is activated, relating it to the protrusion and retraction of living cells. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Advanced Cardiac Morphogenesis Does Not Require Heart Tube Fusion

Shanru Li, Deying Zhou, Min Min Lu, and Edward E. Morrisey
Science 10 September 2004: 1619-1622.
Mice that lack a transcription factor involved in fusing the two halves of the embryonic heart unexpectedly develop two apparently normal hearts. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Bacterial Persistence as a Phenotypic Switch

Nathalie Q. Balaban, Jack Merrin, Remy Chait, Lukasz Kowalik, and Stanislas Leibler
Science 10 September 2004: 1622-1625.
Published online 12 August 2004 [DOI: 10.1126/science.1099390] (in Science Express Reports)
In a bacterial population, a few members that shift to a slow growth rate can survive antibiotic treatment. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Iron-Source Preference of Staphylococcus aureus Infections

Eric P. Skaar, Munir Humayun, Taeok Bae, Kristin L. DeBord, and Olaf Schneewind
Science 10 September 2004: 1626-1628.
Isotope tracers and genetic data reveal that most of the iron used by pathogenic bacteria comes from heme in the blood of their hosts. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

SOS Response Induction by ß-Lactams and Bacterial Defense Against Antibiotic Lethality

Christine Miller, Line Elnif Thomsen, Carina Gaggero, Ronen Mosseri, Hanne Ingmer, and Stanley N. Cohen
Science 10 September 2004: 1629-1631.
Published online 12 August 2004 [DOI: 10.1126/science.1101630] (in Science Express Reports)
Common antibiotics that inhibit bacterial cell wall synthesis induce a cellular response to DNA damage, halting DNA replication and allowing the bacteria to survive short-term antibiotic treatment. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Species Coextinctions and the Biodiversity Crisis

Lian Pin Koh, Robert R. Dunn, Navjot S. Sodhi, Robert K. Colwell, Heather C. Proctor, and Vincent S. Smith
Science 10 September 2004: 1632-1634.
A probabilistic model is used to estimate an often-neglected consequence of species extinction: the secondary loss of associated, coevolved species. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Technical Comments

 Comment on "Managing Soil Carbon" (I)

K. Van Oost, G. Govers, T. A. Quine, and G. Heckrath
Science 10 September 2004: 1567.
Full Text »|   PDF »|  

 Comment on "Managing Soil Carbon" (II)

W. H. Renwick, S. V. Smith, R. O. Sleezer, and Robert W. Buddemeier
Science 10 September 2004: 1567.
Full Text »|   PDF »|  

 Response to Comments on "Managing Soil Carbon"

R. Lal, M. Griffin, J. Apt, L. Lave, and G. Morgan
Science 10 September 2004: 1567.
Full Text »|   PDF »|