Polarity: From Cell to Organism

Humpty Dumpty and All That ...

Stella M. Hurtley
Science 6 December 2002: 1941.
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Reviews

Generating and Exploiting Polarity in Bacteria

Lucy Shapiro, Harley H. McAdams, and Richard Losick
Science 6 December 2002: 1942-1946.
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Anterior-Posterior Polarity in C. elegans and Drosophila--PARallels and Differences

Jason Pellettieri and Geraldine Seydoux
Science 6 December 2002: 1946-1950.
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Shaping the Vertebrate Body Plan by Polarized Embryonic Cell Movements

Ray Keller
Science 6 December 2002: 1950-1954.
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Composition and Formation of Intercellular Junctions in Epithelial Cells

Elisabeth Knust and Olaf Bossinger
Science 6 December 2002: 1955-1959.
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Molecular Mechanisms of Axon Guidance

Barry J. Dickson
Science 6 December 2002: 1959-1964.
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This Week in Science

Editor summaries of this week's papers.
Science 6 December 2002: 1843.
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Editorial:
In Praise of Petroleum?

Kirk R. Smith
Science 6 December 2002: 1847.
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Editors' Choice

Highlights of the recent literature.
Science 6 December 2002: 1849.
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NetWatch

Best of the Web in science.
Science 6 December 2002: 1853.
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 NEW PRODUCTS

Science 6 December 2002: 2021-2025.

News of the Week

MEDICAL RESEARCH:
Inquiry Turns Into OK Corral for U.K. Primate Research

Keri Page
Science 6 December 2002: 1862-1863.
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GENOMICS:
Sequence Tells Mouse, Human Genome Secrets

Elizabeth Pennisi
Science 6 December 2002: 1863-1865.
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EUROPEAN RESEARCH:
Mystery Academy Holds First Powwow in Private

Philipp Weis
Science 6 December 2002: 1865.
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PLANETARY SCIENCE:
A Smashing Source of Early Martian Water?

Richard A. Kerr
Science 6 December 2002: 1866.
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PLANETARY SCIENCE:
... And an Icy Patch at Mars's South Pole

Dana Mackenzie
Science 6 December 2002: 1866-1867.
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MEDICAL RESEARCH:
U.K. Researchers Hope for Clarity in Tissue Use

John Bohannon
Science 6 December 2002: 1867-1869.
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CELL PROLIFERATION:
Common Control for Cancer, Stem Cells

Dennis Normile
Science 6 December 2002: 1869.
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ScienceScope

Science 6 December 2002: 1865.
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Random Samples

Science 6 December 2002: 1881.
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News Focus

ASTRONOMY:
Sensing the Hidden Heat of the Universe

Robert Irion
Science 6 December 2002: 1870-1872.
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ARCHAEOLOGY:
Oldest New World Writing Suggests Olmec Innovation

Erik Stokstad
Science 6 December 2002: 1872-1874.
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DIGITAL INFORMATION SYSTEMS:
Mapping the Future

Kathryn Brown
Science 6 December 2002: 1874-1875.
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MARINE GEOLOGY:
Nations Look for an Edge in Claiming Continental Shelves

David Malakoff
Science 6 December 2002: 1877-1878.
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CANADA:
New Research Chairs Mean Brain Gain for Universities

Wayne Kondro
Science 6 December 2002: 1879.
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Letters

This Week's Letters

Science 6 December 2002: 1889.
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 The Ins and Outs of Organic Farming

Indur M. Goklany;, Paul Mäder, Andreas Fließbach, David Dubois, Lucie Gunst, Padruot Fried, and Urs Niggli
Science 6 December 2002: 1889-1890.
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 Organic Farming and Energy Efficiency

Dirk Zoebl;, Paul Mäder, Andreas Fließbach, David Dubois, Lucie Gunst, Padruot Fried, and Urs Niggli
Science 6 December 2002: 1890-1891.
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 Would Title IX Help Women in Science?

Agatha M. De Boer; and Margaret L. Smither-Kopperl
Science 6 December 2002: 1891-1892.
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 Atacamite in Jaws and Printed Wiring Boards

Stuart R. Stock and Laura J. Turbini
Science 6 December 2002: 1892-1893.
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 A National Ecological Observatory Network

James A. Teeri and Peter H. Raven
Science 6 December 2002: 1893.
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Books et al.

HISTORY OF SCIENCE:
Wallace in a Colored Spotlight

Thomas Söderqvist
Science 6 December 2002: 1894-1895.
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HISTORY OF SCIENCE:
Ancient Roots Forced into Modern Pots

James E. McClellan, III
Science 6 December 2002: 1895-1896.
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 Browsings

Science 6 December 2002: 1896.
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 Books Received

Science 6 December 2002: 1896.

Essays on Science and Society

PORTRAITS OF SCIENCE:
Kurt Gödel--Separating Truth from Proof in Mathematics

Keith Devlin
Science 6 December 2002: 1899-1900.
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Perspectives

DEVELOPMENT:
A Tail of Transdifferentiation

David L. Stocum
Science 6 December 2002: 1901-1903.
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ECOLOGY:
Looking Beneath the Surface

Jack A. Morgan
Science 6 December 2002: 1903-1904.
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CHEMISTRY:
The Simplest "Enzyme"

Mohammad Movassaghi and Eric N. Jacobsen
Science 6 December 2002: 1904-1905.
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MOLECULAR BIOLOGY:
Untangling Checkpoints

Noriyuki Sagata
Science 6 December 2002: 1905-1907.
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Reviews

Mitogen-Activated Protein Kinase Pathways Mediated by ERK, JNK, and p38 Protein Kinases

Gary L. Johnson and Razvan Lapadat
Science 6 December 2002: 1911-1912.
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The Protein Kinase Complement of the Human Genome

G. Manning, D. B. Whyte, R. Martinez, T. Hunter, and S. Sudarsanam
Science 6 December 2002: 1912-1934.
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Brevia

 Dissolved Organic Carbon Support of Respiration in the Dark Ocean

Javier Arístegui, Carlos M. Duarte, Susana Agustí, Marylo Doval, Xosé A. Álvarez-Salgado, and Dennis A. Hansell
Science 6 December 2002: 1967.
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Reports

Cavitation-Induced Reactions in High-Pressure Carbon Dioxide

M. W. A. Kuijpers, D. van Eck, M. F. Kemmere, and J. T. F. Keurentjes
Science 6 December 2002: 1969-1971.
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Closed-Shell Molecules That Ionize More Readily Than Cesium

F. Albert Cotton, Nadine E. Gruhn, Jiande Gu, Penglin Huang, Dennis L. Lichtenberger, Carlos A. Murillo, Laura O. Van Dorn, and Chad C. Wilkinson
Science 6 December 2002: 1971-1974.
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Recent Earth Oblateness Variations: Unraveling Climate and Postglacial Rebound Effects

Jean O. Dickey, Steven L. Marcus, Olivier de Viron, and Ichiro Fukumori
Science 6 December 2002: 1975-1977.
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Environmental Effects of Large Impacts on Mars

Teresa L. Segura, Owen B. Toon, Anthony Colaprete, and Kevin Zahnle
Science 6 December 2002: 1977-1980.
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Regulation of Oceanic Silicon and Carbon Preservation by Temperature Control on Bacteria

Kay D. Bidle, Maura Manganelli, and Farooq Azam
Science 6 December 2002: 1980-1984.
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Olmec Origins of Mesoamerican Writing

Mary E. D. Pohl, Kevin O. Pope, and Christopher von Nagy
Science 6 December 2002: 1984-1987.
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Grassland Responses to Global Environmental Changes Suppressed by Elevated CO₂

M. Rebecca Shaw, Erika S. Zavaleta, Nona R. Chiariello, Elsa E. Cleland, Harold A. Mooney, and Christopher B. Field
Science 6 December 2002: 1987-1990.
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A General Model for Designing Networks of Marine Reserves

Enric Sala, Octavio Aburto-Oropeza, Gustavo Paredes, Ivan Parra, Juan C. Barrera, and Paul K. Dayton
Science 6 December 2002: 1991-1993.
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Ectoderm to Mesoderm Lineage Switching During Axolotl Tail Regeneration

Karen Echeverri and Elly M. Tanaka
Science 6 December 2002: 1993-1996.
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Inhibition of Excess Nodal Signaling During Mouse Gastrulation by the Transcriptional Corepressor DRAP1

Rabah Iratni, Yu-Ting Yan, Canhe Chen, Jixiang Ding, Yi Zhang, Sandy M. Price, Danny Reinberg, and Michael M. Shen
Science 6 December 2002: 1996-1999.
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Regulation of Spermatogenesis by Testis-Specific, Cytoplasmic Poly(A) Polymerase TPAP

Shin-ichi Kashiwabara, Junko Noguchi, Tiangang Zhuang, Ko Ohmura, Arata Honda, Shin Sugiura, Kiyoko Miyamoto, Satoru Takahashi, Kimiko Inoue, Atsuo Ogura, and Tadashi Baba
Science 6 December 2002: 1999-2002.
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A Role for the Protease Falcipain 1 in Host Cell Invasion by the Human Malaria Parasite

Doron C. Greenbaum, Amos Baruch, Munira Grainger, Zbynek Bozdech, Katlin F. Medzihradszky, Juan Engel, Joseph DeRisi, Anthony A. Holder, and Matthew Bogyo
Science 6 December 2002: 2002-2006.
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Signaling of Rat Frizzled-2 Through Phosphodiesterase and Cyclic GMP

Adriana Ahumada, Diane C. Slusarski, Xunxian Liu, Randall T. Moon, Craig C. Malbon, and Hsien-yu Wang
Science 6 December 2002: 2006-2010.
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Resetting the Circadian Clock by Social Experience in Drosophila melanogaster

Joel D. Levine, Pablo Funes, Harold B. Dowse, and Jeffrey C. Hall
Science 6 December 2002: 2010-2012.
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Functional Neuroimaging of Speech Perception in Infants

Ghislaine Dehaene-Lambertz, Stanislas Dehaene, and Lucie Hertz-Pannier
Science 6 December 2002: 2013-2015.
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