This Week in Science

Editor summaries of this week's papers.
Science 6 April 2001: 9.
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Editorial:
An Algorithm for Discovery

David Paydarfar and William J. Schwartz
Science 6 April 2001: 13.
Published online 8 March 2001 [DOI: 10.1126/science.1058915] (in Science Express Editorial)
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Editors' Choice

Highlights of the recent literature.
Science 6 April 2001: 15.
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NetWatch

Best of the Web in science.
Science 6 April 2001: 19.
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 NEW PRODUCTS

Science 6 April 2001: 117-118.

News of the Week

AIDS RESEARCH:
Merck Reemerges With a Bold AIDS Vaccine Effort

Jon Cohen
Science 6 April 2001: 24-25.
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CLINICAL RESEARCH:
Fred Hutchinson Center Under Fire

Eliot Marshall
Science 6 April 2001: 25.
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ASTROPHYSICS:
Farthest Supernova Yet Bolsters Dark Energy

Mark Sincell
Science 6 April 2001: 27-28.
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VENICE PRESERVATION:
Climate Change Data Prompt New Review

Susan Biggin
Science 6 April 2001: 28.
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BUSH APPOINTMENT:
Venture Capitalist to Lead Science Panel

David Malakoff
Science 6 April 2001: 28-29.
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GERMANY:
A Big Boost for Postgenome Research

Robert Koenig
Science 6 April 2001: 29-30.
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GERMANY:
Old Guard Battles Academic Reforms

Robert Koenig
Science 6 April 2001: 30.
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JAPAN:
Court Backs Lab's Safety Practices

Dennis Normile
Science 6 April 2001: 30.
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REPRODUCTIVE SCIENCE:
Human Cloning Plans Spark Talk of U.S. Ban

Gretchen Vogel
Science 6 April 2001: 31.
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STEM CELL POLICY:
Canadian Panel Aims for Middle Ground

Wayne Kondro
Science 6 April 2001: 31-33.
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ASTRONOMY:
Comet's Course Hints at Mystery Planet

Govert Schilling
Science 6 April 2001: 33.
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ScienceScope

Science 6 April 2001: 27.
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Random Samples

Science 6 April 2001: 47.
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News Focus

ECOLOGY:
Words (and Axes) Fly Over Transgenic Trees

Jocelyn Kaiser
Science 6 April 2001: 34-36.
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GREENHOUSE EFFECTS:
High CO₂ Levels May Give Fast-Growing Trees an Edge

Laura Tangley
Science 6 April 2001: 36-37.
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SCIENCE IN BRITAIN:
Science Centers Blossom, But How Many Will Survive?

John Pickrell
Science 6 April 2001: 37-38.
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LUNAR AND PLANETARY SCIENCE CONFERENCE:
Rethinking Water on Mars and the Origin of Life

Richard A. Kerr
Science 6 April 2001: 39-40.
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LONGEVITY:
Growing Old Together

Evelyn Strauss
Science 6 April 2001: 41-43.
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COMPARATIVE GENOMICS:
Gene Expression Differs in Human and Chimp Brains

Dennis Normile
Science 6 April 2001: 44-45.
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SOLID-STATE PHYSICS:
Nanotube 'Peapods' Show Electrifying Promise

Robert F. Service
Science 6 April 2001: 45.
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Letters

This Week's Letters

Science 6 April 2001: 51.
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 Considerations in Creating Online Archives

Ira Mellman
Science 6 April 2001: 51.
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 For Free Access, Follow the Brick Red Buttons

Nicholas R. Cozzarelli
Science 6 April 2001: 51-52.
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 What's in a PhyloCode Name?

W. John Kress and Paula DePriest
Science 6 April 2001: 52.
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 Searching for the Heart of Human Nature

Paul Vjecsner; and Alex Mauron
Science 6 April 2001: 52-53.
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 CORRECTIONS AND CLARIFICATIONS

Science 6 April 2001: 53.
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Books et al.

PSYCHOLOGY:
The Meaning of Make-Believe

Alison Gopnik
Science 6 April 2001: 57.
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COMPUTING:
Grappling with Qubits

Günter Mahler
Science 6 April 2001: 57-58.
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 Books Received

Science 6 April 2001: 58.

Essays on Science and Society

ESSAYS ON SCIENCE AND SOCIETY:
James Watt and the Lunaticks of Birmingham

Adam Hart-Davis
Science 6 April 2001: 55-56.
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Perspectives

MICROBIOLOGY:
Bacterial Population Genetics and Disease

Marc Lipsitch
Science 6 April 2001: 59-60.
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OPTICAL MATERIALS:
Bending Light the Wrong Way

M. C. K. Wiltshire
Science 6 April 2001: 60-61.
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ATMOSPHERIC SCIENCE:
Enhanced: Solving the PSC Mystery

Margaret A. Tolbert and Owen B. Toon
Science 6 April 2001: 61-63.
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ECOLOGY:
Keystone Species--Hunting the Snark?

William Bond
Science 6 April 2001: 63-64.
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MOLECULAR BIOLOGY:
The Histone Modification Circus

Shelley L. Berger
Science 6 April 2001: 64-65.
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SUPERCONDUCTIVITY:
How Could We Miss It?

A. M. Campbell
Science 6 April 2001: 65-66.
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Research Article

Control of a Mucosal Challenge and Prevention of AIDS by a Multiprotein DNA/MVA Vaccine

Rama Rao Amara, Francois Villinger, John D. Altman, Shari L. Lydy, Shawn P. O'Neil, Silvija I. Staprans, David C. Montefiori, Yan Xu, James G. Herndon, Linda S. Wyatt, Maria Angelito Candido, Natalia L. Kozyr, Patricia L. Earl, James M. Smith, Hak-Ling Ma, Bennett D. Grimm, Michael L. Hulsey, Joseph Miller, Harold M. McClure, Janet M. McNicholl, Bernard Moss, and Harriet L. Robinson
Science 6 April 2001: 69-74.
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Reports

Pressure Dependence of the Superconducting Transition Temperature of Magnesium Diboride

M. Monteverde, M. Núñez-Regueiro, N. Rogado, K. A. Regan, M. A. Hayward, T. He, S. M. Loureiro, and R. J. Cava
Science 6 April 2001: 75-77.
Published online 8 March 2001 [DOI: 10.1126/science.1059775] (in Science Express Reports)
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Experimental Verification of a Negative Index of Refraction

R. A. Shelby, D. R. Smith, and S. Schultz
Science 6 April 2001: 77-79.
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Three-Dimensionally Ordered Array of Air Bubbles in a Polymer Film

Mohan Srinivasarao, David Collings, Alan Philips, and Sanjay Patel
Science 6 April 2001: 79-83.
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Carbon Dioxide Degassing by Advective Flow from Usu Volcano, Japan

P. A. Hernández, K. Notsu, J. M. Salazar, T. Mori, G. Natale, H. Okada, G. Virgili, Y. Shimoike, M. Sato, and N. M. Pérez
Science 6 April 2001: 83-86.
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Control of Nitrogen Export from Watersheds by Headwater Streams

Bruce J. Peterson, Wilfred M. Wollheim, Patrick J. Mulholland, Jackson R. Webster, Judy L. Meyer, Jennifer L. Tank, Eugènia Martí, William B. Bowden, H. Maurice Valett, Anne E. Hershey, William H. McDowell, Walter K. Dodds, Stephen K. Hamilton, Stanley Gregory, and Donna D. Morrall
Science 6 April 2001: 86-90.
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Tropical Origins for Recent North Atlantic Climate Change

Martin P. Hoerling, James W. Hurrell, and Taiyi Xu
Science 6 April 2001: 90-92.
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Amphibians as Indicators of Early Tertiary "Out-of-India" Dispersal of Vertebrates

Franky Bossuyt and Michel C. Milinkovitch
Science 6 April 2001: 93-95.
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Rising CO₂ Levels and the Fecundity of Forest Trees

Shannon L. LaDeau and James S. Clark
Science 6 April 2001: 95-98.
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Ecological Degradation in Protected Areas: The Case of Wolong Nature Reserve for Giant Pandas

Jianguo Liu, Marc Linderman, Zhiyun Ouyang, Li An, Jian Yang, and Hemin Zhang
Science 6 April 2001: 98-101.
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Delayed Compensation for Missing Keystone Species by Colonization

S. K. Morgan Ernest and James H. Brown
Science 6 April 2001: 101-104.
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Extension of Life-Span by Loss of CHICO, a Drosophila Insulin Receptor Substrate Protein

David J. Clancy, David Gems, Lawrence G. Harshman, Sean Oldham, Hugo Stocker, Ernst Hafen, Sally J. Leevers, and Linda Partridge
Science 6 April 2001: 104-106.
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A Mutant Drosophila Insulin Receptor Homolog That Extends Life-Span and Impairs Neuroendocrine Function

M. Tatar, A. Kopelman, D. Epstein, M.-P. Tu, C.-M. Yin, and R. S. Garofalo
Science 6 April 2001: 107-110.
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Role of Histone H3 Lysine 9 Methylation in Epigenetic Control of Heterochromatin Assembly

Jun-ichi Nakayama, Judd C. Rice, Brian D. Strahl, C. David Allis, and Shiv I. S. Grewal
Science 6 April 2001: 110-113.
Published online 15 March 2001 [DOI: 10.1126/science.1060118] (in Science Express Reports)
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A Link Between Virulence and Ecological Abundance in Natural Populations of Staphylococcus aureus

Nicholas P. J. Day, Catrin E. Moore, Mark C. Enright, Anthony R. Berendt, John Maynard Smith, Michael F. Murphy, Sharon J. Peacock, Brian G. Spratt, and Edward J. Feil
Science 6 April 2001: 114-116.
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Technical Comments

 HIV-1 RNA Editing, Hypermutation, and Error-Prone Reverse Transcription

Ben Berkhout, Atze T. Das, Nancy Beerens, A. Araya, and S. Litvak
Science 6 April 2001: 7.
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