Developmental Timing

To Every Thing There Is a Season

Beverly Purnell
Science 18 July 2003: 325.
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Reviews

Circadian Clocks in Daily and Seasonal Control of Development

Thomas F. Schultz and Steve A. Kay
Science 18 July 2003: 326-328.
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The Segmentation Clock: Converting Embryonic Time into Spatial Pattern

Olivier Pourquié
Science 18 July 2003: 328-330.
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Organizing Axes in Time and Space; 25 Years of Colinear Tinkering

Marie Kmita and Denis Duboule
Science 18 July 2003: 331-333.
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Phase Change and the Regulation of Developmental Timing in Plants

R. Scott Poethig
Science 18 July 2003: 334-336.
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Role of MicroRNAs in Plant and Animal Development

James C. Carrington and Victor Ambros
Science 18 July 2003: 336-338.
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This Week in Science

Editor summaries of this week's papers.
Science 18 July 2003: 273.
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Editorial:
Time for Chronomics?

Denis Duboule
Science 18 July 2003: 277.
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Editors' Choice

Highlights of the recent literature.
Science 18 July 2003: 279.
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NetWatch

Best of the Web in science.
Science 18 July 2003: 285.
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 NEW PRODUCTS

Science 18 July 2003: 393.

News of the Week

INFORMATION TECHNOLOGY: Aid to Minority Schools Is Political Hot Potato

Jeffrey Mervis
Science 18 July 2003: 286-287.
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CLIMATE:
Little Girl Lost

Richard A. Kerr
Science 18 July 2003: 286.
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MISSILE DEFENSE:
Report Says Early Strikes Can't Shoot Down Missiles

Charles Seife
Science 18 July 2003: 287.
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EUROPEAN UNION:
At Odds Again Over Stem Cells

Gretchen Vogel
Science 18 July 2003: 289.
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PROFESSIONAL SOCIETIES:
Chemical Engineers Fight to Stay Solvent

Jeffrey Mervis
Science 18 July 2003: 289-290.
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MEDICINE:
Drug Deals Diabetes a One-Two Punch

Jennifer Couzin
Science 18 July 2003: 290.
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BEHAVIORAL GENETICS:
Getting the Short End of the Allele

Constance Holden
Science 18 July 2003: 291-293.
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ASTROPHYSICS:
Western Europe Joins Gravitational-Wave Search

Alexander Hellemans and Charles Seife
Science 18 July 2003: 293.
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ScienceScope

Science 18 July 2003: 289.
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Random Samples

Science 18 July 2003: 305.
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News Focus

SARS IN CHINA:
China's Missed Chance

Martin Enserink
Science 18 July 2003: 294-296.
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SARS IN CHINA:
Tracking the Roots of a Killer

Dennis Normile and Martin Enserink
Science 18 July 2003: 297-299.
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SARS IN CHINA:
The Big Question Now: Will It Be Back?

Martin Enserink
Science 18 July 2003: 299.
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SUPERCOMPUTING:
Simulators Face Real Problems

Katie Greene
Science 18 July 2003: 301-302.
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ISRAELI-PALESTINIAN COOPERATION:
Building Bridges in a Battle-Scarred Land

Tania Hershman
Science 18 July 2003: 303.
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Letters

This Week's Letters

Science 31 July 2003: 309.
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 Sustainable Yield and Conservation Goals

R. Lee Lyman, Reed Wadley;, and Martyn Murray
Science 31 July 2003: 309.
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 Hong Kong SARS Sequence

Frederick C. Leung
Science 31 July 2003: 309-310.
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 Should Scientists Remain Objective?

Howard H. Kendler
Science 31 July 2003: 310-311.
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 Plagiarism Erodes Scientific Integrity

Shawn G. Clouthier
Science 18 July 2003: 311-312.
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 CORRECTIONS AND CLARIFICATIONS

Science 18 July 2003: 312.
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Books et al.

EVOLUTIONARY PSYCHOLOGY:
Reason, Rape, and Angst in Behavioral Studies

P. C. Lee
Science 18 July 2003: 313.
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 Browsings

Science 18 July 2003: 314.
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ASTRONOMY:
Nota Bene: Romancing the Hole

Linda Rowan
Science 18 July 2003: 314.
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 Books Received

Science 18 July 2003: 314.

Policy Forum

ENVIRONMENTAL SCIENCE:
Rethinking Hydrogen Cars

David W. Keith and Alexander E. Farrell
Science 18 July 2003: 315-316.
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Perspectives

ATMOSPHERIC SCIENCE:
Weather from the Stratosphere?

Mark P. Baldwin, David W. J. Thompson, Emily F. Shuckburgh, Warwick A. Norton, and Nathan P. Gillett
Science 18 July 2003: 317-319.
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CIRCADIAN RHYTHMS:
Clocks on the Brain

Carla B. Green and Michael Menaker
Science 18 July 2003: 319-320.
Published online 3 July 2003 [DOI: 10.1126/science.1087824] (in Science Express Perspectives)
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CHEMISTRY:
Snapshots of Water at Work

William H. Robertson, Eric G. Diken, and Mark A. Johnson
Science 18 July 2003: 320-321.
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PALEONTOLOGY:
Making the Best of a Patchy Fossil Record

Andrew B. Smith
Science 18 July 2003: 321-322.
Published online 12 June 2003 [DOI: 10.1126/science.1086420] (in Science Express Perspectives)
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NEUROSCIENCE:
When Is a Word Not a Word?

Anthony R. McIntosh and Nancy J. Lobaugh
Science 18 July 2003: 322-323.
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Brevia

 Mass Mortality of Krill Caused by Parasitoid Ciliates

Jaime Gómez-Gutiérrez, William T. Peterson, Alex De Robertis, and Richard D. Brodeur
Science 18 July 2003: 339.
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Research Article

Reactions at Interfaces As a Source of Sulfate Formation in Sea-Salt Particles

Alexander Laskin, Daniel J. Gaspar, Weihong Wang, Sherri W. Hunt, James P. Cowin, Steven D. Colson, and Barbara J. Finlayson-Pitts
Science 18 July 2003: 340-344.
Published online 3 July 2003 [DOI: 10.1126/science.1085374] (in Science Express Research Articles)
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Reports

Separation of Metallic from Semiconducting Single-Walled Carbon Nanotubes

Ralph Krupke, Frank Hennrich, Hilbert v. Löhneysen, and Manfred M. Kappes
Science 18 July 2003: 344-347.
Published online 26 June 2003 [DOI: 10.1126/science.1086534] (in Science Express Reports)
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Negligible Effect of Ions on the Hydrogen-Bond Structure in Liquid Water

Anne Willem Omta, Michel F. Kropman, Sander Woutersen, and Huib J. Bakker
Science 18 July 2003: 347-349.
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Real-Time Observation of Bimodal Proton Transfer in Acid-Base Pairs in Water

Matteo Rini, Ben-Zion Magnes, Ehud Pines, and Erik T. J. Nibbering
Science 18 July 2003: 349-352.
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Programmed Adsorption and Release of Proteins in a Microfluidic Device

Dale L. Huber, Ronald P. Manginell, Michael A. Samara, Byung-Il Kim, and Bruce C. Bunker
Science 18 July 2003: 352-354.
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From Tides to Mixing Along the Hawaiian Ridge

Daniel L. Rudnick, Timothy J. Boyd, Russell E. Brainard, Glenn S. Carter, Gary D. Egbert, Michael C. Gregg, Peter E. Holloway, Jody M. Klymak, Eric Kunze, Craig M. Lee, Murray D. Levine, Douglas S. Luther, Joseph P. Martin, Mark A. Merrifield, James N. Moum, Jonathan D. Nash, Robert Pinkel, Luc Rainville, and Thomas B. Sanford
Science 18 July 2003: 355-357.
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Estimating the Rock Volume Bias in Paleobiodiversity Studies

James S. Crampton, Alan G. Beu, Roger A. Cooper, Craig M. Jones, Bruce Marshall, and Phillip A. Maxwell
Science 18 July 2003: 358-360.
Published online 12 June 2003 [DOI: 10.1126/science.1085075] (in Science Express Reports)
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Evolution of Key Cell Signaling and Adhesion Protein Families Predates Animal Origins

Nicole King, Christopher T. Hittinger, and Sean B. Carroll
Science 18 July 2003: 361-363.
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Hox10 and Hox11 Genes Are Required to Globally Pattern the Mammalian Skeleton

Deneen M. Wellik and Mario R. Capecchi
Science 18 July 2003: 363-367.
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DNA: A Programmable Force Sensor

Christian Albrecht, Kerstin Blank, Mio Lalic-Mülthaler, Siegfried Hirler, Thao Mai, Ilka Gilbert, Susanne Schiffmann, Tom Bayer, Hauke Clausen-Schaumann, and Hermann E. Gaub
Science 18 July 2003: 367-370.
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Allosteric Activators of Glucokinase: Potential Role in Diabetes Therapy

Joseph Grimsby, Ramakanth Sarabu, Wendy L. Corbett, Nancy-Ellen Haynes, Fred T. Bizzarro, John W. Coffey, Kevin R. Guertin, Darryl W. Hilliard, Robert F. Kester, Paige E. Mahaney, Linda Marcus, Lida Qi, Cheryl L. Spence, John Tengi, Mark A. Magnuson, Chang An Chu, Mark T. Dvorozniak, Franz M. Matschinsky, and Joseph F. Grippo
Science 18 July 2003: 370-373.
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CD46 in Meningococcal Disease

Linda Johansson, Anne Rytkönen, Peter Bergman, Barbara Albiger, Helena Källström, Tomas Hökfelt, Birgitta Agerberth, Roberto Cattaneo, and Ann-Beth Jonsson
Science 18 July 2003: 373-375.
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Collection, Mapping, and Annotation of Over 28,000 cDNA Clones from japonica Rice

Shoshi Kikuchi, Kouji Satoh, Toshifumi Nagata, Nobuyuki Kawagashira, Koji Doi, Naoki Kishimoto, Junshi Yazaki, Masahiro Ishikawa, Hitomi Yamada, Hisako Ooka, Isamu Hotta, Keiichi Kojima, Takahiro Namiki, Eisuke Ohneda, Wataru Yahagi, Kohji Suzuki, Chao Jie Li, Kenji Ohtsuki, Toru Shishiki, Yasuhiro Otomo, Kazuo Murakami, Yoshiharu Iida, Sumio Sugano, Tatsuto Fujimura, Yutaka Suzuki, Yuki Tsunoda, Takashi Kurosaki, Takeko Kodama, Hiromi Masuda, Michie Kobayashi, Quihong Xie, Min Lu, Ryuya Narikawa, Akio Sugiyama, Kouichi Mizuno, Satoko Yokomizo, Junko Niikura, Rieko Ikeda, Junya Ishibiki, Midori Kawamata, Akemi Yoshimura, Junichirou Miura, Takahiro Kusumegi, Mitsuru Oka, Risa Ryu, Mariko Ueda, Kenichi Matsubara, Jun Kawai, Piero Carninci, Jun Adachi, Katsunori Aizawa, Takahiro Arakawa, Shiro Fukuda, Ayako Hara, Wataru Hashidume, Norihito Hayatsu, Koichi Imotani, Yoshiki Ishii, Masayoshi Itoh, Ikuko Kagawa, Shinji Kondo, Hedeaki Konno, Ai Miyazaki, Naoki Osato, Yoshimi Ota, Rintaro Saito, Daisuke Sasaki, Kenjiro Sato, Kazuhiro Shibata, Akira Shinagawa, Toshiyuki Shiraki, Masayasu Yoshino, and Yoshihide Hayashizaki
Science 18 July 2003: 376-379.
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Altered Patterns of Sleep and Behavioral Adaptability in NPAS2-Deficient Mice

Carol A. Dudley, Claudia Erbel-Sieler, Sandi Jo Estill, Martin Reick, Paul Franken, SiNae Pitts, and Steven L. McKnight
Science 18 July 2003: 379-383.
Published online 3 July 2003 [DOI: 10.1126/science.1082795] (in Science Express Reports)
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Lateralized Cognitive Processes and Lateralized Task Control in the Human Brain

Klaas E. Stephan, John C. Marshall, Karl J. Friston, James B. Rowe, Afra Ritzl, Karl Zilles, and Gereon R. Fink
Science 18 July 2003: 384-386.
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Influence of Life Stress on Depression: Moderation by a Polymorphism in the 5-HTT Gene

Avshalom Caspi, Karen Sugden, Terrie E. Moffitt, Alan Taylor, Ian W. Craig, HonaLee Harrington, Joseph McClay, Jonathan Mill, Judy Martin, Antony Braithwaite, and Richie Poulton
Science 18 July 2003: 386-389.
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