This Week in Science

Editor summaries of this week's papers.
Science 19 March 1999: 1813.
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Editorial:
The Universality of Science

Irving A. Lerch
Science 19 March 1999: 1847.
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NetWatch

Best of the Web in science.
Science 19 March 1999: 1811.
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 NEW PRODUCTS

Science 19 March 1999: 1939-1940.

News of the Week

HUMAN GENOME:
Academic Sequencers Challenge Celera in a Sprint to the Finish

Elizabeth Pennisi
Science 19 March 1999: 1822-1823.
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EVOLUTION:
From a Flatworm, New Clues on Animal Origins

Elizabeth Pennisi
Science 19 March 1999: 1823-1825.
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PLANT BIOLOGY:
Key Molecular Signals Identified in Plants

Marcia Barinaga
Science 19 March 1999: 1825-1826.
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GEODYNAMICS:
A Lava Lamp Model for the Deep Earth

Richard A. Kerr
Science 19 March 1999: 1826-1827.
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ASTRONOMY:
NASA Plans Earlier Hubble Rescue

David Malakoff
Science 19 March 1999: 1827.
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EUROPEAN UNION:
Cresson Resigns in Wake of Fraud Report

Robert Koenig
Science 19 March 1999: 1827-1828.
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HUMAN EVOLUTION:
Genetic Study Shakes Up Out of Africa Theory

Elizabeth Pennisi
Science 19 March 1999: 1828.
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RESEARCH ETHICS:
Sweden Considers More Oversight of Research

Joanna Rose and Annika Nilsson
Science 19 March 1999: 1829.
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AIDS VACCINES:
Nabel to Head NIH Vaccine Research Center

Jon Cohen
Science 19 March 1999: 1829-1831.
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CANCER RESEARCH:
A Surprising Partner for Angiostatin

Marcia Barinaga
Science 19 March 1999: 1831.
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ScienceScope

Science 19 March 1999: 1825.
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Random Samples

Science 19 March 1999: 1841.
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News Focus

NEUROPSYCHOLOGY:
Nurture Helps Mold Able Minds

Ingrid Wickelgren
Science 19 March 1999: 1832-1834.
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ARCHAEOLOGY:
Restorers Reveal 28,000-Year-Old Artworks

Michael Balter
Science 19 March 1999: 1835.
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ASTRONOMY:
Submillimeter Astronomy Reaches New Heights

Govert Schilling
Science 19 March 1999: 1836.
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MICROBIOLOGY:
Forging a Link Between Biofilms and Disease

Carol Potera
Science 19 March 1999: 1837-1839.
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Letters

This Week's Letters

Science 19 March 1999: 1849.
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 Science Over Politics

Robert P. Lanza, Kenneth J. Arrow, Julius Axelrod, David Baltimore, Baruj Benacerraf, Konrad E. Bloch, Nicolaas Bloembergen, Herbert C. Brown, Michael S. Brown, Jose B. Cibelli, Stanley Cohen, Leon N. Cooper, E. J. Corey, Reneto Dulbecco, Edmond H. Fischer, Val L. Fitch, Jerome I. Friedman, Milton Friedman, Robert F. Furchgott, Murray Gell-Mann, Donald A. Glaser, Sheldon Lee Glashow, Walter Gilbert, Joseph L. Goldstein, Stephen Jay Gould, Roger Guillemin, Herbert A. Hauptman, Dudley Herschbach, Roald Hoffman, Leroy Hood, David H. Hubel, Jerome Karle, Lawrence R. Klein, Walter Kohn, Arthur Kornberg, Edwin G. Krebs, Leon M. Lederman, Joshua Lederberg, David M. Lee, Robert E. Lucas Jr., Rudolph A. Marcus, R. Bruce Merrifield, Merton H. Miller, Franco Modigliani, Mario J. Molina, Kary Mullis, Ferid Murad, Joseph E. Murray, Daniel Nathans, Marshall W. Nirenberg, Douglass C. North, George A. Olah, George E. Palade, Martin J. Perl, Norman F. Ramsey, Burton Richter, Richard J. Roberts, James M. Robl, Paul A. Samuelson, Melvin Schwartz, Phillip A. Sharp, Richard E. Smalley, Hamilton O. Smith, Robert M. Solow, Henry Taube, Susumu Tonegawa, James D. Watson, Steven Weinberg, Thomas H. Weller, Michael D. West, Eric F. Wieschaus, Torsten N. Wiesel, and Robert W. Wilson
Science 19 March 1999: 1849.
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 Basic Research in China

Shuguang Zhang
Science 19 March 1999: 1849.
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 Free Electrons?

John Michael Williams
Science 19 March 1999: 1849.
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 Monkey Numeration

Philip L. Stocklin;, Elizabeth M. Brannon, and Herbert S. Terrace
Science 19 March 1999: 1849.
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 CORRECTIONS AND CLARIFICATIONS

Science 19 March 1999: 1849.
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Books et al.

ECOLOGY:
Streamlined Complexity

Ilkka Hanski
Science 19 March 1999: 1858-1860.
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 Browsings

Science 19 March 1999: 1858.
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DISEASES:
NotaBene: Magical Microbe Mystery Tour

Orla Smith
Science 19 March 1999: 1859.
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Policy Forum

CONSERVATION:
Sustaining Natural and Human Capital: Villagers and Scientists

Wayne M. Getz, Louise Fortmann, David Cumming, Johan du Toit, Jodi Hilty, Rowan Martin, Michael Murphree, Norman Owen-Smith, Anthony M. Starfield, and Michael I. Westphal
Science 19 March 1999: 1855-1856.
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CONSERVATION:
Capitalizing on Nature: Protected Area Management

Amar Inamdar, Helen de Jode, Keith Lindsay, and Stephen Cobb
Science 19 March 1999: 1856-1857.
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Perspectives

NEUROBIOLOGY:
Enhanced: Dissecting Dendrite Dynamics

Stephen J. Smith
Science 19 March 1999: 1860-1861.
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ORIGIN OF EARTH AND MOON:
Colliding Theories

Alex N. Halliday and Michael J. Drake
Science 19 March 1999: 1861-1863.
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ORIGIN OF EARTH AND MOON:
A Couple of Uncertain Age

Frank A. Podosek
Science 19 March 1999: 1863-1864.
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CONDENSED MATTER PHYSICS:
Pumping Electrons

B. L. Altshuler and L. I. Glazman
Science 19 March 1999: 1864-1865.
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Tech.Sight

DNA SEQUENCING:
Sequencing the Genome, Fast

James C. Mullikin and Amanda A. McMurray
Science 19 March 1999: 1867-1868.
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SOFTWARE:
Statistics and More Statistics

Allen Rawitch
Science 19 March 1999: 1869-1870.
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 SOFTWARE:
Equation Writing Made "Friendly"

Frank Hoover
Science 19 March 1999: 1871.
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 NET TIP:
Netscape's Gecko and You

Robert Sikorski and Richard Peters
Science 19 March 1999: 1871-1872.
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 POLYMER CHEMISTRY:
Designer Jell-O

Richard Peters and Robert Sikorski
Science 19 March 1999: 1872.
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 SOFTWARE:
Digital Dating

Kevin Ahern
Science 19 March 1999: 1872.
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Research Article

The Origin of Chaos in the Outer Solar System

N. Murray and M. Holman
Science 19 March 1999: 1877-1881.
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Reports

Compositional Stratification in the Deep Mantle

Louise H. Kellogg, Bradford H. Hager, and Rob D. van der Hilst
Science 19 March 1999: 1881-1884.
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Compositional Heterogeneity in the Bottom 1000 Kilometers of Earth's Mantle: Toward a Hybrid Convection Model

Rob D. van der Hilst and Hrafnkell Kárason
Science 19 March 1999: 1885-1888.
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Dipping Low-Velocity Layer in the Mid-Lower Mantle: Evidence for Geochemical Heterogeneity

Satoshi Kaneshima and George Helffrich
Science 19 March 1999: 1888-1892.
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Chemical Transformations in Individual Ultrasmall Biomimetic Containers

Daniel T. Chiu, Clyde F. Wilson, Frida Ryttsén, Anette Strömberg, Cecilia Farre, Anders Karlsson, Sture Nordholm, Anuj Gaggar, Biren P. Modi, Alexander Moscho, Roberto A. Garza-López, Owe Orwar, and Richard N. Zare
Science 19 March 1999: 1892-1895.
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Nonequilibrium Self-Assembly of Long Chains of Polar Molecules in Superfluid Helium

K. Nauta and R. E. Miller
Science 19 March 1999: 1895-1897.
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Epitaxial Cubic Gadolinium Oxide as a Dielectric for Gallium Arsenide Passivation

M. Hong, J. Kwo, A. R. Kortan, J. P. Mannaerts, and A. M. Sergent
Science 19 March 1999: 1897-1900.
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Degradation Mechanism of Small Molecule-Based Organic Light-Emitting Devices

Hany Aziz, Zoran D. Popovic, Nan-Xing Hu, Ah-Mee Hor, and Gu Xu
Science 19 March 1999: 1900-1902.
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Phase-Separated Composite Films for Liquid Crystal Displays

Valery Vorflusev and Satyendra Kumar
Science 19 March 1999: 1903-1905.
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An Adiabatic Quantum Electron Pump

M. Switkes, C. M. Marcus, K. Campman, and A. C. Gossard
Science 19 March 1999: 1905-1908.
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Structural Maturation of Neural Pathways in Children and Adolescents: In Vivo Study

Tomá Paus, Alex Zijdenbos, Keith Worsley, D. Louis Collins, Jonathan Blumenthal, Jay N. Giedd, Judith L. Rapoport, and Alan C. Evans
Science 19 March 1999: 1908-1911.
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Signaling of Cell Fate Decisions by CLAVATA3 in Arabidopsis Shoot Meristems

Jennifer C. Fletcher, Ulrike Brand, Mark P. Running, Rüdiger Simon, and Elliot M. Meyerowitz
Science 19 March 1999: 1911-1914.
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Crystal Structure of Human ZAG, a Fat-Depleting Factor Related to MHC Molecules

Luis M. Sánchez, Arthur J. Chirino, and Pamela J. Bjorkman
Science 19 March 1999: 1914-1919.
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Acoel Flatworms: Earliest Extant Bilaterian Metazoans, Not Members of Platyhelminthes

Iñaki Ruiz-Trillo, Marta Riutort, D. Timothy J. Littlewood, Elisabeth A. Herniou, and Jaume Baguñà
Science 19 March 1999: 1919-1923.
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Rapid Dendritic Morphogenesis in CA1 Hippocampal Dendrites Induced by Synaptic Activity

M. Maletic-Savatic, R. Malinow, and K. Svoboda
Science 19 March 1999: 1923-1927.
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Variability in Spike Trains During Constant and Dynamic Stimulation

Anne-Kathrin Warzecha and Martin Egelhaaf
Science 19 March 1999: 1927-1930.
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The Role of Local Actin Instability in Axon Formation

Frank Bradke and Carlos G. Dotti
Science 19 March 1999: 1931-1934.
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Reversible Conversion of Monomeric Human Prion Protein Between Native and Fibrilogenic Conformations

G. S. Jackson, L. L. P. Hosszu, A. Power, A. F. Hill, J. Kenney, H. Saibil, C. J. Craven, J. P. Waltho, A. R. Clarke, and J. Collinge
Science 19 March 1999: 1935-1937.
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Technical Comments

 North American Carbon Sink

Elisabeth A. Holland, Sandra Brown;, Christopher S. Potter, Steven A. Klooster;, S. Fan, M. Gloor, J. Mahlman, S. Pacala, J. Sarmiento, T. Takahashi, and P. Tans;
Science 19 March 1999: 1815.
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