EDITORIAL FEATURE:
Not Your Father's Postdoc

Beryl Lieff Benderly
Science 29 April 2005: 717-718.
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This Week in Science

Editor summaries of this week's papers.
Science 29 April 2005: 597.
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Editorial:
Benefits of Women in Science

Julia King
Science 29 April 2005: 601.
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Editors' Choice

Highlights of the recent literature.
Science 29 April 2005: 603.
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NetWatch

Best of the Web in science.
Science 29 April 2005: 609.
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 AAAS News & Notes

Science 29 April 2005: 646-647.

 New Products

Science 29 April 2005: 705.
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News of the Week

NASA:
Life Science Research on Space Station Is Headed for Big Cuts

Andrew Lawler
Science 29 April 2005: 610-611.
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NATIONAL ACADEMIES:
Panel Would Entrust Stem Cell Research to Local Oversight

Constance Holden and Gretchen Vogel
Science 29 April 2005: 611.
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NUCLEAR FUSION:
Tabletop Accelerator Breaks 'Cold Fusion' Jinx But Won't Yield Energy, Physicists Say

Charles Seife
Science 29 April 2005: 613.
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EARTH SCIENCES:
Earth Observation Program 'At Risk,' Academy Warns

Andrew Lawler
Science 29 April 2005: 614-615.
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DEPARTMENT OF ENERGY:
Falling Budget Could Force Choice Between Nuclear Science Facilities

Charles Seife
Science 29 April 2005: 615.
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SCIENCE POLICY:
Marburger Asks Social Scientists for a Helping Hand in Interpreting Data

Jeffrey Mervis
Science 29 April 2005: 617.
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U.S. PUBLIC SECTOR:
Agency Kills New Performance Rules

Jeffrey Mervis
Science 29 April 2005: 617.
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ScienceScope

Science 29 April 2005: 613.
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Random Samples

Science 29 April 2005: 628.
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News Focus

PUBLIC HEALTH:
High Hopes and Dilemmas for a Cervical Cancer Vaccine

Jon Cohen
Science 29 April 2005: 618-621.
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PUBLIC HEALTH:
HPV's Peculiarities, From Infection to Disease

Jon Cohen
Science 29 April 2005: 619.
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INFORMATION SHARING:
Europe Steps Into the Open With Plans for Electronic Archives

Gretchen Vogel and Martin Enserink
Science 29 April 2005: 623-624.
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DEVELOPMENTAL BIOLOGY:
Combing Over the Polycomb Group Proteins

Jean Marx
Science 29 April 2005: 624-626.
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U.S. EDUCATION:
Kansas Gears Up for Another Battle Over Teaching Evolution

Yudhijit Bhattacharjee
Science 29 April 2005: 627.
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Letters

This Week's Letters

Science 29 April 2005: 631.
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 A Cry for Help from Kansas

Eric Reynolds
Science 29 April 2005: 631.
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 What Causes Lesions in Sperm Whale Bones?

Bruce M. Rothschild;, Edward D. Mitchell;, Michael J. Moore, and Greg A. Early
Science 29 April 2005: 631-632.
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 Ethics of Tobacco Company Funding

Jed E. Rose
Science 29 April 2005: 632.
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 Merits of a New Drug Trial for ALS?

Ettore Beghi, Caterina Bendotti, Tiziana Mennini;, Tim Miller, and Don Cleveland
Science 29 April 2005: 632-633.
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 CORRECTIONS AND CLARIFICATIONS

Science 29 April 2005: 633.
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Books et al.

HIGHER EDUCATION:
Ideals Drowned in the Marketplace

Harold T. Shapiro
Science 29 April 2005: 634-635.
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MICROBIOLOGY:
Appreciating Our Usual Guests

Elaine Tuomanen
Science 29 April 2005: 635.
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 Books Received

Science 29 April 2005: 635.

Policy Forum

ECOLOGY:
Synthesizing U.S. River Restoration Efforts

E. S. Bernhardt, M. A. Palmer, J. D. Allan, G. Alexander, K. Barnas, S. Brooks, J. Carr, S. Clayton, C. Dahm, J. Follstad-Shah, D. Galat, S. Gloss, P. Goodwin, D. Hart, B. Hassett, R. Jenkinson, S. Katz, G. M. Kondolf, P. S. Lake, R. Lave, J. L. Meyer, T. K. O'Donnell, L. Pagano, B. Powell, and E. Sudduth
Science 29 April 2005: 636-637.
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Perspectives

APPLIED PHYSICS:
Toward Bridging the Terahertz Gap with Silicon-Based Lasers

Alexander Borak
Science 29 April 2005: 638-639.
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SOCIOLOGY:
Network Theory--the Emergence of the Creative Enterprise

Albert-László Barabási
Science 29 April 2005: 639-641.
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OCEAN SCIENCE:
Enhanced: Ocean Mixing in 10 Steps

Bill Merryfield
Science 29 April 2005: 641-642.
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STRUCTURAL BIOLOGY:
Nature's Rotary Electromotors

Wolfgang Junge and Nathan Nelson
Science 29 April 2005: 642-644.
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NEUROSCIENCE:
Understanding Intentions: Through the Looking Glass

Kiyoshi Nakahara and Yasushi Miyashita
Science 29 April 2005: 644-645.
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Review

The Influence of Social Hierarchy on Primate Health

Robert M. Sapolsky
Science 29 April 2005: 648-652.
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Brevia

Horsfield's Hawk-Cuckoo Nestlings Simulate Multiple Gapes for Begging

Keita D. Tanaka and Keisuke Ueda
Science 29 April 2005: 653.
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Research Articles

Structure of the Rotor of the V-Type Na⁺-ATPase from Enterococcus hirae

Takeshi Murata, Ichiro Yamato, Yoshimi Kakinuma, Andrew G. W. Leslie, and John E. Walker
Science 29 April 2005: 654-659.
Published online 31 March 2005 [DOI: 10.1126/science.1110064] (in Science Express Research Articles)
To operate, the outside half-channel of the sodium pump rotates into place, releasing a sodium ion from the internal binding site, and then the site is refilled through an internal half-channel. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Structure of the Rotor Ring of F-Type Na⁺-ATPase from Ilyobacter tartaricus

Thomas Meier, Patrick Polzer, Kay Diederichs, Wolfram Welte, and Peter Dimroth
Science 29 April 2005: 659-662.
To operate, the outside half-channel of the sodium pump rotates into place, releasing a sodium ion from the internal binding site, and then the site is refilled through an internal half-channel. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Parietal Lobe: From Action Organization to Intention Understanding

Leonardo Fogassi, Pier Francesco Ferrari, Benno Gesierich, Stefano Rozzi, Fabian Chersi, and Giacomo Rizzolatti
Science 29 April 2005: 662-667.
Neuronal activity in the parietal lobe of the monkey brain distinguishes the perceived intentions of other monkeys, even when their movements are identical. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Reports

Amplification of Acetylcholine-Binding Catenanes from Dynamic Combinatorial Libraries

Ruby T. S. Lam, Ana Belenguer, Sarah L. Roberts, Christoph Naumann, Thibaut Jarrosson, Sijbren Otto, and Jeremy K. M. Sanders
Science 29 April 2005: 667-669.
Published online 10 March 2005 [DOI: 10.1126/science.1109999] (in Science Express Reports)
Coupling small synthetic peptides around acetylcholine produces a surprisingly complex structure of two linked 42-member rings, a possible template for drug design. Abstract »|   Full Text »|   PDF »|  

Experimental Verification of Designer Surface Plasmons

Alastair P. Hibbins, Benjamin R. Evans, and J. Roy Sambles
Science 29 April 2005: 670-672.
Excitation of a copper thin film containing small, ordered holes allows fine control of a plasma on the surface, confirming theoretical predictions. Abstract »|   Full Text »|   PDF »|  

All-Optical Switching in Rubidium Vapor

Andrew M. C. Dawes, Lucas Illing, Susan M. Clark, and Daniel J. Gauthier
Science 29 April 2005: 672-674.
A weak laser beam can control a stronger one by redirecting its propagation path, providing a low-energy optical switch (perhaps at the single-photon level) for quantum information networks. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Extracting a Climate Signal from 169 Glacier Records

J. Oerlemans
Science 29 April 2005: 675-677.
Published online 3 March 2005 [DOI: 10.1126/science.1107046] (in Science Express Reports)
A global temperature reconstruction based on records of glacier lengths chronicles the warming of the past 150 years. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Early Local Last Glacial Maximum in the Tropical Andes

Jacqueline A. Smith, Geoffrey O. Seltzer, Daniel L. Farber, Donald T. Rodbell, and Robert C. Finkel
Science 29 April 2005: 678-681.
Glaciers in the tropical Andes were largest about 35,000 years ago and were retreating by 21,000 years ago, when Northern Hemisphere glaciers and ice sheets reached their maximum extent. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Laboratory Earthquakes Along Inhomogeneous Faults: Directionality and Supershear

Kaiwen Xia, Ares J. Rosakis, Hiroo Kanamori, and James R. Rice
Science 29 April 2005: 681-684.
Laboratory experiments show that a rupture along an interface between different materials propagates in different directions and speeds in each material. Abstract »|   Full Text »|   PDF »|  

Enhanced Diapycnal Mixing by Salt Fingers in the Thermocline of the Tropical Atlantic

R. W. Schmitt, J. R. Ledwell, E. T. Montgomery, K. L. Polzin, and J. M. Toole
Science 29 April 2005: 685-688.
Analysis of more than 1 million square kilometers of the Atlantic shows that the ocean's density layers mix through slim, salty fingers extending from layer to layer rather than via turbulence. Abstract »|   Full Text »|   PDF »|  

Insect-Resistant GM Rice in Farmers' Fields: Assessing Productivity and Health Effects in China

Jikun Huang, Ruifa Hu, Scott Rozelle, and Carl Pray
Science 29 April 2005: 688-690.
Chinese farms that grow rice genetically modified for resistance to rice stemborers have higher crop yields, less pesticide use, and healthier farmers. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

A Rapid Shift in a Classic Clinal Pattern in Drosophila Reflecting Climate Change

P. A. Umina, A. R. Weeks, M. R. Kearney, S. W. McKechnie, and A. A. Hoffmann
Science 29 April 2005: 691-693.
Climate change in Australia has rapidly increased the frequency of a gene associated with warmer and drier conditions in populations of fruit flies. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

PERIOD1-Associated Proteins Modulate the Negative Limb of the Mammalian Circadian Oscillator

Steven A. Brown, Juergen Ripperger, Sebastian Kadener, Fabienne Fleury-Olela, Francis Vilbois, Michael Rosbash, and Ueli Schibler
Science 29 April 2005: 693-696.
Two newly described proteins interact with a component of the mammalian circadian clock, exerting opposite effects and thereby stabilizing the clock cycles against extrinsic noise. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Team Assembly Mechanisms Determine Collaboration Network Structure and Team Performance

Roger Guimerà, Brian Uzzi, Jarrett Spiro, and Luís A. Nunes Amaral
Science 29 April 2005: 697-702.
Network analysis of successful entertainment productions and scientific projects reveals that the best performances result from newly formed, larger teams with both experienced and novice members. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

The Dynamics of Interhemispheric Compensatory Processes in Mental Imagery

A. T. Sack, J. A. Camprodon, A. Pascual-Leone, and R. Goebel
Science 29 April 2005: 702-704.
Images of tangible objects are generated in the left side of the brain while the right side encodes spatial features, although the right side can take over the left's tasks if necessary. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Technical Comments

 Comment on "Ecosystem Properties and Forest Decline in Contrasting Long-Term Chronosequences"

Kanehiro Kitayama
Science 29 April 2005: 633.
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 Response to Comment on "Ecosystem Properties and Forest Decline in Contrasting Long-Term Chronosequences"

D. A. Wardle, L. R. Walker, and R. D. Bardgett
Science 29 April 2005: 633.
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