Cassini at Enceladus

Tiger, Tiger, Burning Bright

Joanne Baker
Science 10 March 2006: 1388.
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Perspectives

Enceladus: Cosmic Gymnast, Volatile Miniworld

Jeffrey S. Kargel
Science 10 March 2006: 1389-1391.
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Does Enceladus Govern Magnetospheric Dynamics at Saturn?

Margaret Galland Kivelson
Science 10 March 2006: 1391-1392.
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Research Articles

Cassini Observes the Active South Pole of Enceladus

C. C. Porco, P. Helfenstein, P. C. Thomas, A. P. Ingersoll, J. Wisdom, R. West, G. Neukum, T. Denk, R. Wagner, T. Roatsch, S. Kieffer, E. Turtle, A. McEwen, T. V. Johnson, J. Rathbun, J. Veverka, D. Wilson, J. Perry, J. Spitale, A. Brahic, J. A. Burns, A. D. DelGenio, L. Dones, C. D. Murray, and S. Squyres
Science 10 March 2006: 1393-1401.
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Cassini Encounters Enceladus: Background and the Discovery of a South Polar Hot Spot

J. R. Spencer, J. C. Pearl, M. Segura, F. M. Flasar, A. Mamoutkine, P. Romani, B. J. Buratti, A. R. Hendrix, L. J. Spilker, and R. M. C. Lopes
Science 10 March 2006: 1401-1405.
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Reports

Identification of a Dynamic Atmosphere at Enceladus with the Cassini Magnetometer

M. K. Dougherty, K. K. Khurana, F. M. Neubauer, C. T. Russell, J. Saur, J. S. Leisner, and M. E. Burton
Science 10 March 2006: 1406-1409.
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The Interaction of the Atmosphere of Enceladus with Saturn's Plasma

R. L. Tokar, R. E. Johnson, T. W. Hill, D. H. Pontius, W. S. Kurth, F. J. Crary, D. T. Young, M. F. Thomsen, D. B. Reisenfeld, A. J. Coates, G. R. Lewis, E. C. Sittler, and D. A. Gurnett
Science 10 March 2006: 1409-1412.
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Enceladus' Varying Imprint on the Magnetosphere of Saturn

G. H. Jones, E. Roussos, N. Krupp, C. Paranicas, J. Woch, A. Lagg, D. G. Mitchell, S. M. Krimigis, and M. K. Dougherty
Science 10 March 2006: 1412-1415.
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Cassini Dust Measurements at Enceladus and Implications for the Origin of the E Ring

Frank Spahn, Jürgen Schmidt, Nicole Albers, Marcel Hörning, Martin Makuch, Martin Seiß, Sascha Kempf, Ralf Srama, Valeri Dikarev, Stefan Helfert, Georg Moragas-Klostermeyer, Alexander V. Krivov, Miodrag Sremcevic, Anthony J. Tuzzolino, Thanasis Economou, and Eberhard Grün
Science 10 March 2006: 1416-1418.
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Cassini Ion and Neutral Mass Spectrometer: Enceladus Plume Composition and Structure

J. Hunter Waite, Jr., Michael R. Combi, Wing-Huen Ip, Thomas E. Cravens, Ralph L. McNutt, Jr., Wayne Kasprzak, Roger Yelle, Janet Luhmann, Hasso Niemann, David Gell, Brian Magee, Greg Fletcher, Jonathan Lunine, and Wei-Ling Tseng
Science 10 March 2006: 1419-1422.
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Enceladus' Water Vapor Plume

Candice J. Hansen, L. Esposito, A. I. F. Stewart, J. Colwell, A. Hendrix, W. Pryor, D. Shemansky, and R. West
Science 10 March 2006: 1422-1425.
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Composition and Physical Properties of Enceladus' Surface

Robert H. Brown, Roger N. Clark, Bonnie J. Buratti, Dale P. Cruikshank, Jason W. Barnes, Rachel M. E. Mastrapa, J. Bauer, S. Newman, T. Momary, K. H. Baines, G. Bellucci, F. Capaccioni, P. Cerroni, M. Combes, A. Coradini, P. Drossart, V. Formisano, R. Jaumann, Y. Langevin, D. L. Matson, T. B. McCord, R. M. Nelson, P. D. Nicholson, B. Sicardy, and C. Sotin
Science 10 March 2006: 1425-1428.
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This Week in Science

Editor summaries of this week's papers.
Science 10 March 2006: 1341.
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Editorial:
Summers and Harvard

Donald Kennedy
Science 10 March 2006: 1345.
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Editors' Choice

Highlights of the recent literature.
Science 10 March 2006: 1347.
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NetWatch

Best of the Web in science.
Science 10 March 2006: 1353.
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NEW PRODUCTS

Science 10 March 2006: 1485.
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News of the Week

PROLIFERATION: Last-Minute Nuclear Deal Has Long-Term Repercussions

Richard Stone and Pallava Bagla
Science 10 March 2006: 1356-1357.
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SOLAR PHYSICS: The Sun's Churning Innards Foretell More Solar Storms

Richard A. Kerr
Science 10 March 2006: 1357.
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SPACE SCIENCE: NASA Agrees to Review What's on the Chopping Block

Andrew Lawler
Science 10 March 2006: 1359-1360.
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ARCHAEOLOGY: Dates Revise Easter Island History

Ann Gibbons
Science 10 March 2006: 1360.
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SOLID STATE PHYSICS: Theory of Shock Waves Clears Up the Puzzling Graininess of Crystals

Adrian Cho
Science 10 March 2006: 1361.
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UNIVERSITIES: Austria's Bid for an Instant MIT Meets Opposition From Researchers

Gretchen Vogel
Science 10 March 2006: 1363.
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U.S. SCIENCE POLICY: Legislator Wants NSF to Offer $1 Billion Energy Prize

Jeffrey Mervis
Science 10 March 2006: 1363.
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ScienceScope

Science 10 March 2006: 1359.
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Random Samples

Science 10 March 2006: 1355.
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Newsmakers

Science 10 March 2006: 1375.
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News Focus

ARCHAEOLOGY: The End of Angkor

Richard Stone
Science 10 March 2006: 1364-1368.
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ARCHAEOLOGY: Local Elites Cast New Light on Angkor's Rise

Richard Stone
Science 10 March 2006: 1366.
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SAMUEL BODMAN PROFILE: With Energy to Spare, an Engineer Makes the Case for Basic Research

Eli Kintisch
Science 10 March 2006: 1369-1370.
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RESEARCH POLICY: A Dose of Reform to Treat the Malaise Gripping French Science

Martin Enserink
Science 10 March 2006: 1371-1372.
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EVOLUTIONARY BIOLOGY: Speciation Standing in Place

Elizabeth Pennisi
Science 10 March 2006: 1372-1374.
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Letters

This Week's Letters

Science 10 March 2006: 1376.
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 Finding Good in the Bad and Vice Versa

David Johns
Science 10 March 2006: 1376.
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 Diversity in Tropical Forests

William F. Laurance
Science 10 March 2006: 1376.
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 Genetic Polymorphism of Fc

Janardan P. Pandey; and Jenny M. Woof
Science 10 March 2006: 1376-1377.
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 Hyposmocoma molluscivora Description

Daniel Rubinoff and William P. Haines
Science 10 March 2006: 1377.
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 GPS: A Military/Civilian Collaboration

James F. Zumberge
Science 10 March 2006: 1377-1378.
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 Decline of Vultures in Asia

Rhys E. Green
Science 10 March 2006: 1378.
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Books et al.

CLIMATE CHANGE: Humanity Usurps Nature

Bill Chameides
Science 10 March 2006: 1379.
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Books Received

Science 10 March 2006: 1379.
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Policy Forum

ENERGY: Fusion Power: Will It Ever Come?

William E. Parkins
Science 10 March 2006: 1380.
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Perspectives

GENETICS: Total Information Awareness for Worm Genetics

Sean R. Eddy
Science 10 March 2006: 1381-1382.
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BIOCHEMISTRY: Five Golden Rings

David W. Christianson
Science 10 March 2006: 1382-1383.
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CHEMISTRY: Enhanced: Resonances in Reaction Dynamics

Richard N. Zare
Science 10 March 2006: 1383-1385.
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BIOMEDICINE: One Misfolded Protein Allows Others to Sneak By

Gillian P. Bates
Science 10 March 2006: 1385-1386.
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ATMOSPHERIC SCIENCE: Fungi, Weathering, and the Emergence of Animals

Louis A. Derry
Science 10 March 2006: 1386-1387.
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Brevia

Diffusive Separation of the Lower Atmosphere

Yosuke Adachi, Kenji Kawamura, Laurence Armi, and Ralph F. Keeling
Science 10 March 2006: 1429.
As long predicted, diffusion can overcome turbulence in the troposphere under specific conditions to separate heavy and light atoms and molecules. Abstract »|   Full Text »|   PDF »|  

Research Article

Structure of the Hydrophilic Domain of Respiratory Complex I from Thermus thermophilus

Leonid A. Sazanov and Philip Hinchliffe
Science 10 March 2006: 1430-1436.
Published online 9 February 2006 [DOI: 10.1126/science.1123809] (in Science Express Research Articles)
The x-ray crystal structure of the peripheral part of the largest bacterial respiratory electron-transport complex shows the folds, contacts, and positions of the redox cofactors. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Reports

Ultrafast Interfacial Proton-Coupled Electron Transfer

Bin Li, Jin Zhao, Ken Onda, Kenneth D. Jordan, Jinlong Yang, and Hrvoje Petek
Science 10 March 2006: 1436-1440.
Return of an electron from a methanol film to a semiconductor induces rapid (30 femtoseconds) stabilizing motion in the substrate and coupled transfer of a proton. Abstract »|   Full Text »|   PDF »|  

Observation of Feshbach Resonances in the F + H₂ HF + H Reaction

Minghui Qiu, Zefeng Ren, Li Che, Dongxu Dai, Steve A. Harich, Xiuyan Wang, Xueming Yang, Chuanxiu Xu, Daiqian Xie, Magnus Gustafsson, Rex T. Skodje, Zhigang Sun, and Dong H. Zhang
Science 10 March 2006: 1440-1443.
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Signatures of H₂CO Photodissociation from Two Electronic States

H. M. Yin, S. H. Kable, X. Zhang, and J. M. Bowman
Science 10 March 2006: 1443-1446.
Spectroscopy and computations reveal the nuclear vibrations and other motions involved in the dissociations of excited, transient molecules and in collision reactions. Abstract »|   Full Text »|   PDF »|  

Late Precambrian Oxygenation; Inception of the Clay Mineral Factory

Martin Kennedy, Mary Droser, Lawrence M. Mayer, David Pevear, and David Mrofka
Science 10 March 2006: 1446-1449.
Published online 2 February 2006 [DOI: 10.1126/science.1118929] (in Science Express Reports)
The development of an oxygen-rich atmosphere during the Neoproterozoic was the result of an increase in the rate of clay deposition caused by the spread of terrestrial vegetation. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

The Last Deglaciation of the Southeastern Sector of the Scandinavian Ice Sheet

V. R. Rinterknecht, P. U. Clark, G. M. Raisbeck, F. Yiou, A. Bitinas, E. J. Brook, L. Marks, V. Zelcs, J.-P. Lunkka, I. E. Pavlovskaya, J. A. Piotrowski, and A. Raukas
Science 10 March 2006: 1449-1452.
Dating of glacial deposits near the margins of the Scandinavian Ice Sheet reveals that it began to retreat about 19,000 years ago, contributing to an abrupt rise in sea level. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Exposed Water Ice Deposits on the Surface of Comet 9P/Tempel 1

J. M. Sunshine, M. F. A'Hearn, O. Groussin, J.-Y. Li, M. J. S. Belton, W. A. Delamere, J. Kissel, K. P. Klaasen, L. A. McFadden, K. J. Meech, H. J. Melosh, P. H. Schultz, P. C. Thomas, J. Veverka, D. K. Yeomans, I. C. Busko, M. Desnoyer, T. L. Farnham, L. M. Feaga, D. L. Hampton, D. J. Lindler, C. M. Lisse, and D. D. Wellnitz
Science 10 March 2006: 1453-1455.
Published online 2 February 2006 [DOI: 10.1126/science.1123632] (in Science Express Reports)
Deep Impact has found three patches of water ice on comet Tempel 1, but these cannot account for the water output of outgassing, implying a subsurface source. Abstract »|   Full Text »|   PDF »|  

Laonastes and the "Lazarus Effect" in Recent Mammals

Mary R. Dawson, Laurent Marivaux, Chuan-kui Li, K. Christopher Beard, and Grégoire Métais
Science 10 March 2006: 1456-1458.
A recently discovered living rodent is a survivor of a family thought to have been extinct for 11 million years. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Opposing Effects of Native and Exotic Herbivores on Plant Invasions

John D. Parker, Deron E. Burkepile, and Mark E. Hay
Science 10 March 2006: 1459-1461.
A meta-analysis of 71 experimental studies shows that invasions by exotic plants tend to be suppressed by native herbivores but enhanced by exotic herbivores. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

A Major Ecosystem Shift in the Northern Bering Sea

Jacqueline M. Grebmeier, James E. Overland, Sue E. Moore, Ed V. Farley, Eddy C. Carmack, Lee W. Cooper, Karen E. Frey, John H. Helle, Fiona A. McLaughlin, and S. Lyn McNutt
Science 10 March 2006: 1461-1464.
Warming has caused the highly productive northern part of the Bering Sea to change from an arctic to a subarctic marine ecosystem. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Structure and Mechanism of the Lantibiotic Cyclase Involved in Nisin Biosynthesis

Bo Li, John Paul J. Yu, Joseph S. Brunzelle, Gert N. Moll, Wilfred A. van der Donk, and Satish K. Nair
Science 10 March 2006: 1464-1467.
The enzyme that performs the final step in the biosynthesis of the antimicrobial food preservative nisin constructs five thioether rings of different sizes in this peptide. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Engineering Cooperativity in Biomotor-Protein Assemblies

Michael R. Diehl, Kechun Zhang, Heun Jin Lee, and David A. Tirrell
Science 10 March 2006: 1468-1471.
Artificial assembly of kinesin proteins on scaffold molecules shows that their transport activity is enhanced by their proximity. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Progressive Disruption of Cellular Protein Folding in Models of Polyglutamine Diseases

Tali Gidalevitz, Anat Ben-Zvi, Kim H. Ho, Heather R. Brignull, and Richard I. Morimoto
Science 10 March 2006: 1471-1474.
Published online 9 February 2006 [DOI: 10.1126/science.1124514] (in Science Express Reports)
In experiments in nematodes that may simulate some neurodegenerative diseases, abnormal, glutamine-rich proteins disrupt the cell’s normal disposal of misfolded proteins. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

The Global Impact of Scaling Up HIV/AIDS Prevention Programs in Low- and Middle-Income Countries

John Stover, Stefano Bertozzi, Juan-Pablo Gutierrez, Neff Walker, Karen A. Stanecki, Robert Greener, Eleanor Gouws, Catherine Hankins, Geoff P. Garnett, Joshua A. Salomon, J. Ties Boerma, Paul De Lay, and Peter D. Ghys
Science 10 March 2006: 1474-1476.
Published online 2 February 2006 [DOI: 10.1126/science.1121176] (in Science Express Reports)
Implementation of AIDS prevention measures targeting sexual transmission and drug users could prevent 30 million new infections in the next 10 years. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Combinatorial Effects of Odorant Mixes in Olfactory Cortex

Zhihua Zou and Linda B. Buck
Science 10 March 2006: 1477-1481.
Specific neurons in the olfactory cortex act as coincidence detectors, responding to a mixture of two odors but not to the individual components of the mixture. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Genome-Wide Prediction of C. elegans Genetic Interactions

Weiwei Zhong and Paul W. Sternberg
Science 10 March 2006: 1481-1484.
Construction of a comprehensive gene interaction network for C. elegans, guided by data from yeast and fruit flies, identifies previously undescribed interacting protein pairs. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|