This Week in Science

Editor summaries of this week's papers.
Science 18 May 2001: 1257.
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Editorial:
The Science of Climate Change

Joint Statement
Science 18 May 2001: 1261.
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Editors' Choice

Highlights of the recent literature.
Science 18 May 2001: 1263.
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NetWatch

Best of the Web in science.
Science 18 May 2001: 1267.
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 NEW PRODUCTS

Science 18 May 2001: 1405-1406.

News of the Week

INTELLECTUAL PROPERTY:
Alzheimer's Researcher in Japan Accused of Economic Espionage

Eliot Marshall and Dennis Normile
Science 18 May 2001: 1274-1275.
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THE POSTGENOMIC ERA:
Windfall for European Data Bank

Michael Balter
Science 18 May 2001: 1275.
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CLIMATE CHANGE:
17 National Academies Endorse Kyoto

Jocelyn Kaiser
Science 18 May 2001: 1275-1277.
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RIBOZYMES:
Making Copies in the RNA World

R. John Davenport
Science 18 May 2001: 1278.
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PALEONTOLOGY:
Early Tyrannosaur Was Small But Well Armed

Erik Stokstad
Science 18 May 2001: 1278-1279.
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ANIMAL RESEARCH:
Charles River Labs to Care for NIH Chimps

Gretchen Vogel
Science 18 May 2001: 1279.
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RUSSIAN UNIVERSITIES:
Centers of Excellence Get Big U.S. Boost

Richard Stone
Science 18 May 2001: 1280.
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GENOMICS:
New Genomes Shed Light on Complex Cells

Elizabeth Pennisi
Science 18 May 2001: 1280-1281.
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VOLCANOLOGY:
Oregon's Rising, an Eruption to Follow·

Richard A. Kerr
Science 18 May 2001: 1281-1283.
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ASTROPHYSICS:
Star-Cluster Census Shows Surprises

Andrew Watson
Science 18 May 2001: 1283.
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ScienceScope

Science 18 May 2001: 1277.
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Random Samples

Science 18 May 2001: 1295.
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News Focus

NEUROSCIENCE:
Boosting Brain Activity From the Outside In

Laura Helmuth
Science 18 May 2001: 1284-1286.
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SCIENCE EDUCATION:
Creationism Takes Root Where Europe, Asia Meet

Robert Koenig
Science 18 May 2001: 1286-1287.
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PROFILE:
Shirley Tilghman: Princeton's Unconventional New Chief

Eliot Marshall
Science 18 May 2001: 1288-1289.
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INFECTIOUS DISEASES:
West Nile Researchers Get Ready for Round Three

Martin Enserink
Science 18 May 2001: 1289-1291.
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MINORITY FACULTY:
New Data in Chemistry Show 'Zero' Diversity

Jeffrey Mervis
Science 18 May 2001: 1291-1292.
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PALEOCLIMATE:
A Variable Sun and the Maya Collapse

Richard A. Kerr
Science 18 May 2001: 1293.
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Letters

This Week's Letters

Science 18 May 2001: 1299.
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 The Ethical Reasons for Stem Cell Research

Robert P. Lanza, Jose B. Cibelli, Michael D. West, Elliot Dorff, Carol Tauer, and Ronald M. Green
Science 18 May 2001: 1299.
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 Arsenic Levels Can Be "Standard" or "Safe"

Gerhard Stöhrer
Science 18 May 2001: 1299-1300.
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 Defining Dyslexia

Willem J. M. Levelt;, E. Paulesu, J.-F Démonet, F. Fazio, S. F. Cappa, G. Cossu, C. D. Firth, and U. Firth
Science 18 May 2001: 1300-1301.
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Books et al.

NATURAL HISTORY:
Adapt or Perish? Zoos Must Choose

Michael H. Robinson
Science 18 May 2001: 1304-1305.
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ANTHROPOLOGY:
Complexities of a Controversial Practice

Carla Makhlouf Obermeyer
Science 18 May 2001: 1305-1306.
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 Browsings

Science 18 May 2001: 1306.
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 Books Received

Science 18 May 2001: 1306.

Policy Forum

GENETIC TECHNOLOGIES:
Facing Inheritable Genetic Modifications

Mark S. Frankel and Audrey R. Chapman
Science 18 May 2001: 1303.
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Perspectives

PLANETARY SCIENCE:
Enhanced: The Death of a Comet and the Birth of Our Solar System

Hermann Boehnhardt
Science 18 May 2001: 1307-1309.
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MOLECULAR MEDICINE:
The Cholesterol Quartet

Joseph L. Goldstein and Michael S. Brown
Science 18 May 2001: 1310-1312.
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MICROBIOLOGY:
How Bacteria Respire Minerals

Dianne K. Newman
Science 18 May 2001: 1312-1313.
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CELL BIOLOGY:
A TIP About Rabs

Nava Segev
Science 18 May 2001: 1313-1314.
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MOLECULAR BIOLOGY AND EVOLUTION:
Can Genes Explain Biological Complexity?

Eörs Szathmáry, Ferenc Jordán, and Csaba Pál
Science 18 May 2001: 1315-1316.
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EPIDEMIOLOGY:
How Viruses Spread Among Computers and People

Alun L. Lloyd and Robert M. May
Science 18 May 2001: 1316-1317.
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Tech.Sight

Diagnosing Cancer in Vivo

Frank Koenig, Joachim Knittel, and Herbert Stepp
Science 18 May 2001: 1401-1403.
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Research Article

RNA-Catalyzed RNA Polymerization: Accurate and General RNA-Templated Primer Extension

Wendy K. Johnston, Peter J. Unrau, Michael S. Lawrence, Margaret E. Glasner, and David P. Bartel
Science 18 May 2001: 1319-1325.
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Reports

Water Production of Comet C/1999 S4 (LINEAR) Observed with the SWAN Instrument

J. Teemu T. Mäkinen, Jean-Loup Bertaux, Michael R. Combi, and Eric Quémerais
Science 18 May 2001: 1326-1329.
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HST and VLT Investigations of the Fragments of Comet C/1999 S4 (LINEAR)

H. A. Weaver, Z. Sekanina, I. Toth, C. E. Delahodde, O. R. Hainaut, P. L. Lamy, J. M. Bauer, M. F. A'Hearn, C. Arpigny, M. R. Combi, J. K. Davies, P. D. Feldman, M. C. Festou, R. Hook, L. Jorda, M. S. W. Keesey, C. M. Lisse, B. G. Marsden, K. J. Meech, G. P. Tozzi, and R. West
Science 18 May 2001: 1329-1333.
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Organic Composition of C/1999 S4 (LINEAR): A Comet Formed Near Jupiter?

M. J. Mumma, N. Dello Russo, M. A. DiSanti, K. Magee-Sauer, R. E. Novak, S. Brittain, T. Rettig, I. S. McLean, D. C. Reuter, and Li-H. Xu
Science 18 May 2001: 1334-1339.
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Outgassing Behavior and Composition of Comet C/1999 S4 (LINEAR) During Its Disruption

Dominique Bockelée-Morvan, Nicolas Biver, Raphaël Moreno, Pierre Colom, Jacques Crovisier, Éric Gérard, Florence Henry, Dariusz C. Lis, Henry Matthews, H. A. Weaver, Maria Womack, and Michel C. Festou
Science 18 May 2001: 1339-1343.
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Charge Exchange-Induced X-Ray Emission from Comet C/1999 S4 (LINEAR)

C. M. Lisse, D. J. Christian, K. Dennerl, K. J. Meech, R. Petre, H. A. Weaver, and S. J. Wolk
Science 18 May 2001: 1343-1348.
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Imaging and Photometry of Comet C/1999 S4 (LINEAR) Before Perihelion and After Breakup

Tony L. Farnham, David G. Schleicher, Laura M. Woodney, Peter V. Birch, Clara A. Eberhardy, and Lorenza Levy
Science 18 May 2001: 1348-1353.
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Microscopic Structure of the Metal-Insulator Transition in Two Dimensions

S. Ilani, A. Yacoby, D. Mahalu, and Hadas Shtrikman
Science 18 May 2001: 1354-1357.
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Controlling Chemical Turbulence by Global Delayed Feedback: Pattern Formation in Catalytic CO Oxidation on Pt(110)

Minseok Kim, Matthias Bertram, Michael Pollmann, Alexander von Oertzen, Alexander S. Mikhailov, Harm Hinrich Rotermund, and Gerhard Ertl
Science 18 May 2001: 1357-1360.
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Bacterial Recognition of Mineral Surfaces: Nanoscale Interactions Between Shewanella and -FeOOH

Steven K. Lower, Michael F. Hochella, Jr., and Terry J. Beveridge
Science 18 May 2001: 1360-1363.
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Ultrafast Source-to-Surface Movement of Melt at Island Arcs from ²²⁶Ra-²³⁰Th Systematics

Simon Turner, Peter Evans, and Chris Hawkesworth
Science 18 May 2001: 1363-1366.
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Solar Forcing of Drought Frequency in the Maya Lowlands

David A. Hodell, Mark Brenner, Jason H. Curtis, and Thomas Guilderson
Science 18 May 2001: 1367-1370.
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Origin and Environmental Setting of Ancient Agriculture in the Lowlands of Mesoamerica

Kevin O. Pope, Mary E. D. Pohl, John G. Jones, David L. Lentz, Christopher von Nagy, Francisco J. Vega, and Irvy R. Quitmyer
Science 18 May 2001: 1370-1373.
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Role of Rab9 GTPase in Facilitating Receptor Recruitment by TIP47

Kate S. Carroll, John Hanna, Iris Simon, Jeff Krise, Pierre Barbero, and Suzanne R. Pfeffer
Science 18 May 2001: 1373-1376.
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A GDP/GTP Exchange Factor Involved in Linking a Spatial Landmark to Cell Polarity

Pil Jung Kang, Anthony Sanson, Bongyong Lee, and Hay-Oak Park
Science 18 May 2001: 1376-1378.
Published online 19 April 2001 [DOI: 10.1126/science.1060360] (in Science Express Reports)
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Interactions of the COP9 Signalosome with the E3 Ubiquitin Ligase SCF^TIR1 in Mediating Auxin Response

Claus Schwechheimer, Giovanna Serino, Judy Callis, William L. Crosby, Svetlana Lyapina, Raymond J. Deshaies, William M. Gray, Mark Estelle, and Xing-Wang Deng
Science 18 May 2001: 1379-1382.
Published online 3 May 2001 [DOI: 10.1126/science.1059776] (in Science Express Reports)
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Promotion of NEDD8-CUL1 Conjugate Cleavage by COP9 Signalosome

Svetlana Lyapina, Gregory Cope, Anna Shevchenko, Giovanna Serino, Tomohiko Tsuge, Chunshui Zhou, Dieter A. Wolf, Ning Wei, Andrej Shevchenko, and Raymond J. Deshaies
Science 18 May 2001: 1382-1385.
Published online 3 May 2001 [DOI: 10.1126/science.1059780] (in Science Express Reports)
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Genetic Analysis of Digestive Physiology Using Fluorescent Phospholipid Reporters

Steven A. Farber, Michael Pack, Shiu-Ying Ho, Iain D. Johnson, Daniel S. Wagner, Roland Dosch, Mary C. Mullins, H. Stewart Hendrickson, Elizabeth K. Hendrickson, and Marnie E. Halpern
Science 18 May 2001: 1385-1388.
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Differentiation of Embryonic Stem Cells to Insulin-Secreting Structures Similar to Pancreatic Islets

Nadya Lumelsky, Olivier Blondel, Pascal Laeng, Ivan Velasco, Rea Ravin, and Ron McKay
Science 18 May 2001: 1389-1394.
Published online 26 April 2001 [DOI: 10.1126/science.1058866] (in Science Express Reports)
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Autosomal Recessive Hypercholesterolemia Caused by Mutations in a Putative LDL Receptor Adaptor Protein

Christine Kim Garcia, Kenneth Wilund, Marcello Arca, Giovanni Zuliani, Renato Fellin, Mario Maioli, Sebastiano Calandra, Stefano Bertolini, Fausto Cossu, Nick Grishin, Robert Barnes, Jonathan C. Cohen, and Helen H. Hobbs
Science 18 May 2001: 1394-1398.
Published online 26 April 2001 [DOI: 10.1126/science.1060458] (in Science Express Reports)
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