SCIENCE, Volume 307, Issue 5716,
dated March 18 2005, is now available at:

        http://www.sciencemag.org/content/vol307/issue5716/?etoc

A plain-text copy of the table of contents has been appended below.

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RESEARCH
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This Week in Science
--------------------
  http://www.sciencemag.org/content/vol307/issue5716/twis.shtml
     p. 1687


Editors' Choice: Highlights of the recent literature
--------------------
  http://www.sciencemag.org/content/vol307/issue5716/twil.shtml
     p. 1693

Research Articles
--------------------

Southern Hemisphere Water Mass Conversion Linked with North Atlantic
Climate Variability
     Katharina Pahnke and Rainer Zahn
     http://www.sciencemag.org/cgi/content/abstract/307/5716/1741?etoc
     p. 1741

An Acylation Cycle Regulates Localization and Activity of Palmitoylated
Ras
Isoforms
     Oliver Rocks, Anna Peyker, Martin Kahms, Peter J. Verveer, Carolin
     Koerner, Maria Lumbierres, Jurgen Kuhlmann, Herbert Waldmann, Alfred
     Wittinghofer, and Philippe I. H. Bastiaens
     http://www.sciencemag.org/cgi/content/abstract/307/5716/1746?etoc
     p. 1746

Evolution of Oxygen Secretion in Fishes and the Emergence of a Complex
Physiological System
     Michael Berenbrink, Pia Koldkjaer, Oliver Kepp, and Andrew R. Cossins
     http://www.sciencemag.org/cgi/content/abstract/307/5716/1752?etoc
     p. 1752

Brevia
--------------------

Self-Organized Origami
     L. Mahadevan and S. Rica
     http://www.sciencemag.org/cgi/content/abstract/307/5716/1740?etoc
     p. 1740

Reports
--------------------

Microwave Manipulation of an Atomic Electron in a Classical Orbit
     H. Maeda, D. V. L. Norum, and T. F. Gallagher
     http://www.sciencemag.org/cgi/content/abstract/307/5716/1757?etoc
     p. 1757

Rheological Measurements of the Thermoviscoelastic Response of Ultrathin
Polymer Films
     P. A. O'Connell and G. B. McKenna
     http://www.sciencemag.org/cgi/content/abstract/307/5716/1760?etoc
     p. 1760

The Controlled Evolution of a Polymer Single Crystal
     Xiaogang Liu, Yi Zhang, Dipak K. Goswami, John S. Okasinski, Khalid
     Salaita, Peng Sun, Michael J. Bedzyk, and Chad A. Mirkin
     http://www.sciencemag.org/cgi/content/abstract/307/5716/1763?etoc
     p. 1763

The Climate Change Commitment
     T. M. L. Wigley
     http://www.sciencemag.org/cgi/content/abstract/307/5716/1766?etoc
     p. 1766

How Much More Global Warming and Sea Level Rise?
     Gerald A. Meehl, Warren M. Washington, William D. Collins, Julie M.
     Arblaster, Aixue Hu, Lawrence E. Buja, Warren G. Strand, and Haiyan
     Teng
     http://www.sciencemag.org/cgi/content/abstract/307/5716/1769?etoc
     p. 1769

Type VII Collagen Is Required for Ras-Driven Human Epidermal Tumorigenesis
     Susana Ortiz-Urda, John Garcia, Cheryl L. Green, Lei Chen, Qun Lin,
     Dallas P. Veitch, Lynn Y. Sakai, Hyangkyu Lee, M. Peter Marinkovich,
     and Paul A. Khavari
     http://www.sciencemag.org/cgi/content/abstract/307/5716/1773?etoc
     p. 1773

Uncharged tRNA and Sensing of Amino Acid Deficiency in Mammalian Piriform
Cortex
     Shuzhen Hao, James W. Sharp, Catherine M. Ross-Inta, Brent J.
     McDaniel, Tracy G. Anthony, Ronald C. Wek, Douglas R. Cavener,
Barbara
     C. McGrath, John B. Rudell, Thomas J. Koehnle, and Dorothy W. Gietzen
     http://www.sciencemag.org/cgi/content/abstract/307/5716/1776?etoc
     p. 1776

Human Symbionts Use a Host-Like Pathway for Surface Fucosylation
     Michael J. Coyne, Barbara Reinap, Martin M. Lee, and Laurie E.
     Comstock
     http://www.sciencemag.org/cgi/content/abstract/307/5716/1778?etoc
     p. 1778

A Mitotic Septin Scaffold Required for Mammalian Chromosome Congression
and
Segregation
     Elias T. Spiliotis, Makoto Kinoshita, and W. James Nelson
     http://www.sciencemag.org/cgi/content/abstract/307/5716/1781?etoc
     p. 1781

Extrusion and Death of DPP/BMP-Compromised Epithelial Cells in the
Developing Drosophila Wing
     Matthew C. Gibson and Norbert Perrimon
     http://www.sciencemag.org/cgi/content/abstract/307/5716/1785?etoc
     p. 1785

Extrusion of Cells with Inappropriate Dpp Signaling from Drosophila Wing
Disc Epithelia
     Jie Shen and Christian Dahmann
     http://www.sciencemag.org/cgi/content/abstract/307/5716/1789?etoc
     p. 1789

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SCIENCE'S COMMENTARY
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Editorial
--------------------

A European CDC?
     Hans Wigzell
     http://www.sciencemag.org/cgi/content/summary/307/5716/1691?etoc
     p. 1691


Letters
--------------------

This Week's Letters
    http://www.sciencemag.org/cgi/content/summary/307/5716/1720a?etoc
    p. 1720

Combining Parenting and a Science Career
    http://www.sciencemag.org/cgi/content/full/307/5716/1720b?etoc
    p. 1720

Crying "Whorf"
    http://www.sciencemag.org/cgi/content/full/307/5716/1721?etoc
    p. 1721

Recombinant Virus Bank for Gene Delivery
    http://www.sciencemag.org/cgi/content/full/307/5716/1722a?etoc
    p. 1722

CORRECTIONS AND CLARIFICATIONS
    http://www.sciencemag.org/cgi/content/full/307/5716/1722b?etoc
    p. 1722

Policy Forum
--------------------

ECOLOGY: Enhanced: Are U.S. Coral Reefs on the Slippery Slope to Slime?
     J. M. Pandolfi, J. B. C. Jackson, N. Baron, R. H. Bradbury, H. M.
     Guzman, T. P. Hughes, C. V. Kappel, F. Micheli, J. C. Ogden, H. P.
     Possingham, and E. Sala
     http://www.sciencemag.org/cgi/content/summary/307/5716/1725?etoc
     p. 1725

Books
--------------------

ORNITHOLOGY: Sweet Bird Most Musical
     Bernard Lohr
     http://www.sciencemag.org/cgi/content/summary/307/5716/1723?etoc
     p. 1723

APPLIED PHYSICS: Shining a Light on Semiconductors
     James R. Chelikowsky
     http://www.sciencemag.org/cgi/content/summary/307/5716/1724?etoc
     p. 1724

 Books Received
     p. 1724

Perspectives
--------------------

CANCER: An Anchor for Tumor Cell Invasion
     Stuart H. Yuspa and Ervin H. Epstein Jr.
     http://www.sciencemag.org/cgi/content/summary/307/5716/1727?etoc
     p. 1727

EVOLUTION: Fossil Horses--Evidence for Evolution
     Bruce J. MacFadden
     http://www.sciencemag.org/cgi/content/summary/307/5716/1728?etoc
     p. 1728

PHYSICS: Toward Creating a Rutherford Atom
     David M. Villeneuve
     http://www.sciencemag.org/cgi/content/summary/307/5716/1730?etoc
     p. 1730

CELL BIOLOGY: Ras on the Roundabout
     Doris Meder and Kai Simons
     http://www.sciencemag.org/cgi/content/summary/307/5716/1731?etoc
     p. 1731

APPLIED PHYSICS: Toward Quantum-Information Processing with Photons
     Ian A. Walmsley and Michael G. Raymer
     http://www.sciencemag.org/cgi/content/summary/307/5716/1733?etoc
     p. 1733

Review
--------------------

The Molecular Requirements for Cytokinesis
     Michael Glotzer
     http://www.sciencemag.org/cgi/content/abstract/307/5716/1735?etoc
     p. 1735

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NEWS
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News of the Week
--------------------

BIOETHICS: Anticloning Forces Launch Second-Term Offensive
    http://www.sciencemag.org/cgi/content/summary/307/5716/1702a?etoc
    p. 1702

BIOETHICS: U.N. Settles on Nonbinding Resolution
    http://www.sciencemag.org/cgi/content/summary/307/5716/1702b?etoc
    p. 1702

CONFLICT-OF-INTEREST POLICY: NIH Rules Make Some Pack, Others Plead
    http://www.sciencemag.org/cgi/content/summary/307/5716/1703?etoc
    p. 1703

EVOLUTION: Special Hemoglobin Helped Swim Bladders Give Fish Diversity a
Lift
    http://www.sciencemag.org/cgi/content/summary/307/5716/1705a?etoc
    p. 1705

GENETICALLY MODIFIED CROPS: Safety Research Falls Foul of German Politics
    http://www.sciencemag.org/cgi/content/summary/307/5716/1706a?etoc
    p. 1706

GRADUATE SCHOOLS: Drop in Foreign Applications Slows
    http://www.sciencemag.org/cgi/content/summary/307/5716/1706b?etoc
    p. 1706

MARINE GEOLOGY: Pursued for 40 Years, the Moho Evades Ocean Drillers Once
Again
    http://www.sciencemag.org/cgi/content/summary/307/5716/1707a?etoc
    p. 1707

AIDS CLINICAL TRIALS: More Woes for Novel HIV Prevention Approach
    http://www.sciencemag.org/cgi/content/summary/307/5716/1708a?etoc
    p. 1708

GENETICS: Mutterings From the Silenced X Chromosome
    http://www.sciencemag.org/cgi/content/summary/307/5716/1708b?etoc
    p. 1708

NASA: Nominee Wins Quick Praise for His Technical Expertise
    http://www.sciencemag.org/cgi/content/summary/307/5716/1709a?etoc
    p. 1709

PLANETARY SCIENCE: Enceladus, a Work in Progress
    http://www.sciencemag.org/cgi/content/summary/307/5716/1709b?etoc
    p. 1709

DIABETES RESEARCH: Researchers Puzzle Over Possible Effect of Gleevec
    http://www.sciencemag.org/cgi/content/summary/307/5716/1711a?etoc
    p. 1711

FRENCH SCIENCE: INSERM Doubts Criminality in Growth Hormone Case
    http://www.sciencemag.org/cgi/content/summary/307/5716/1711b?etoc
    p. 1711

News Focus
--------------------

DRUG DISCOVERY: Magnificent Obsession
    http://www.sciencemag.org/cgi/content/summary/307/5716/1712?etoc
    p. 1712

HISTORY OF MATHEMATICS:
    http://www.sciencemag.org/cgi/content/summary/307/5716/1715?etoc
    p. 1715

PUBLIC HEALTH: Provocative Study Says Obesity May Reduce U.S. Life
Expectancy
    http://www.sciencemag.org/cgi/content/summary/307/5716/1716?etoc
    p. 1716


  NetWatch
--------------------

  http://www.sciencemag.org/content/vol307/issue5716/netwatch.shtml
     p. 1701

  ScienceScope
--------------------

  http://www.sciencemag.org/content/vol307/issue5716/s-scope.shtml
     p. 1705

  Random Samples
--------------------

  http://www.sciencemag.org/content/vol307/issue5716/r-samples.shtml
     p. 1718

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DEPARTMENTS
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Products & Materials
--------------------
NEW PRODUCTS

    p. 1791