Migration and Dispersal

When to Go, Where to Stop

Andrew Sugden and Elizabeth Pennisi
Science 11 August 2006: 775.
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News

As the Seas Warm

Eli Kintisch
Science 11 August 2006: 776-779.
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Sound Sightings

Constance Holden
Science 11 August 2006: 777.
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Inching Toward Movement Ecology

Constance Holden
Science 11 August 2006: 779-782.
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Tag Team

Constance Holden and Laura Blackburn
Science 11 August 2006: 780-781.
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Arduous Journeys

Virginia Morell
Science 11 August 2006: 783-784.
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Follow the Footprints

Katherine Unger
Science 11 August 2006: 784-785.
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Perspectives

Long-Distance Dispersal of Plants

Ran Nathan
Science 11 August 2006: 786-788.
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From Individual Dispersal to Species Ranges: Perspectives for a Changing World

Hanna Kokko and Andrés López-Sepulcre
Science 11 August 2006: 789-791.
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Conflicting Evidence About Long-Distance Animal Navigation

Thomas Alerstam
Science 11 August 2006: 791-794.
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How and Why Do Insects Migrate?

Richard A. Holland, Martin Wikelski, and David S. Wilcove
Science 11 August 2006: 794-796.
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Review

Going East: New Genetic and Archaeological Perspectives on the Modern Human Colonization of Eurasia

Paul Mellars
Science 11 August 2006: 796-800.
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This Week in Science

Editor summaries of this week's papers.
Science 11 August 2006: 729.
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Editorial:
Back to the People

Donald Kennedy
Science 11 August 2006: 733.
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Editors' Choice

Highlights of the recent literature.
Science 11 August 2006: 735.
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NetWatch

Best of the Web in science.
Science 11 August 2006: 739.
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NEW PRODUCTS

Science 11 August 2006: 854.
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News of the Week

GEOPHYSICS: Stealth Tsunami Surprises Indonesian Coastal Residents

Richard A. Kerr
Science 11 August 2006: 742-743.
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FRANCE: Cancer Chief Calls It Quits After Controversy

Martin Enserink
Science 11 August 2006: 742.
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SCIENCE EDUCATION: Evolution Trumps Intelligent Design in Kansas Vote

Yudhijit Bhattarcharjee
Science 11 August 2006: 743.
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IMAGING: Brilliant X-rays Reveal Fruits of a Brilliant Mind

Robert F. Service
Science 11 August 2006: 744.
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EVOLUTION: Native Mussel Quickly Evolves Fear of Invasive Crab

Erik Stokstad
Science 11 August 2006: 745.
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GENOMICS: Biofuels to Be Focus of New DOE Centers

Eli Kintisch
Science 11 August 2006: 746.
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NUCLEAR REPROCESSING: DOE Outlines Two Roads to Recycling Spent Fuel

Eli Kintisch
Science 11 August 2006: 746.
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INFECTIOUS DISEASES: Gastrointestinal Virus Strikes European Cruise Ships

Martin Enserink
Science 11 August 2006: 747.
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MOLECULAR IMAGING: New Optics Strategies Cut Through Diffraction Barrier

Jennifer Couzin
Science 11 August 2006: 748-749.
Summary »|   Full Text »|   PDF »|  

CAREER DEVELOPMENT: NSF Wants PIs to Mentor Their Postdocs

Yudhijit Bhattacharjee
Science 11 August 2006: 748.
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ASTRONOMY: Do Gamma Ray Bursts Always Line Up With Galaxies?

Govert Schilling
Science 11 August 2006: 749.
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ScienceScope

Science 11 August 2006: 745.
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Random Samples

Science 11 August 2006: 741.
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Newsmakers

Science 11 August 2006: 757.
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News Focus

THEORETICAL PHYSICS: A 'Landscape' Too Far?

Tom Siegfried
Science 11 August 2006: 750-753.
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THEORETICAL PHYSICS: A Reluctant Convert

Tom Siegfried
Science 11 August 2006: 752-753.
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JIM HANKEN PROFILE: Shaking the Dust off Agassiz's Museum

Elizabeth Pennisi
Science 11 August 2006: 754-755.
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JIM HANKEN PROFILE: An Outsider Moves In

Elizabeth Pennisi
Science 11 August 2006: 755.
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ASTRONOMY: Low Road to the Heavens

Mark Anderson
Science 11 August 2006: 756.
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Letters

This Week's Letters

Science 11 August 2006: 758.
Summary »|   PDF »|  

 The Ethics of Influenza Vaccination

Robin P. Silverstein;, Harvey S. Frey;, Alison P. Galvani, Jan Medlock, Gretchen B. Chapman;, Ezekiel J. Emanuel, and Alan Wertheimer
Science 11 August 2006: 758-760.
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 Complex Choices Better Made Unconsciously?

David R. Shanks;, Ap Dijksterhuis, Maarten W. Bos, Loran F. Nordgren, and Rick B. van Baaren
Science 11 August 2006: 760-761.
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 Corrections and Clarifications

Science 11 August 2006: 761.
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Books et al.

BIOMEDICINE: A Cellular and Molecular Foundation for Understanding Cancer

George Klein
Science 11 August 2006: 762-763.
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HISTORY OF SCIENCE: On Smell and Scientific Practice

Miriam Solomon
Science 11 August 2006: 763-764.
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 Browsing

Science 11 August 2006: 763.
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Books Received

Science 11 August 2006: 764.
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Policy Forum

SCIENCE COMMUNICATION: Public Acceptance of Evolution

Jon D. Miller, Eugenie C. Scott, and Shinji Okamoto
Science 11 August 2006: 765-766.
Summary »|   Full Text »|   PDF »|   Supporting Online Material »|  

Perspectives

IMMUNOLOGY: When F-actin Becomes Too Much of a Good Thing

Michael L. Dustin
Science 11 August 2006: 767-768.
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GEOPHYSICS: Toward "Supervolcano" Technology

Gillian R. Foulger
Science 11 August 2006: 768-769.
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COMPUTER SCIENCE: Enhanced: Creating a Science of the Web

Tim Berners-Lee, Wendy Hall, James Hendler, Nigel Shadbolt, and Daniel J. Weitzner
Science 11 August 2006: 769-771.
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ASTRONOMY: Testing Star Formation Theory

Richard M. Crutcher
Science 11 August 2006: 771-772.
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MICROBIOLOGY: Breaking the Barrier Between Commensalism and Pathogenicity

Tetsuya Hayashi
Science 11 August 2006: 772-773.
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BOTANY: Plant Cells CLEave Their Way to Differentiation

Rüdiger Simon and Yvonne Stahl
Science 11 August 2006: 773-774.
Summary »|   Full Text »|   PDF »|  

Brevia

Single-Molecule, Motion-Based DNA Sequencing Using RNA Polymerase

William J. Greenleaf and Steven M. Block
Science 11 August 2006: 801.
The motions of individual RNA polymerase molecules moving along DNA, resolved at the base-pair level, can reveal the DNA sequence. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Research Articles

Climate-Controlled Holocene Occupation in the Sahara: Motor of Africa's Evolution

Rudolph Kuper and Stefan Kröpelin
Science 11 August 2006: 803-807.
Published online 20 July 2006 [DOI: 10.1126/science.1130989] (in Science Express Research Articles)
Human occupation of the Sahara shifted with abundant rainfall from 9500 to 6300 years before present. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Genome Sequence Diversity and Clues to the Evolution of Variola (Smallpox) Virus

Joseph J. Esposito, Scott A. Sammons, A. Michael Frace, John D. Osborne, Melissa Olsen-Rasmussen, Ming Zhang, Dhwani Govil, Inger K. Damon, Richard Kline, Miriam Laker, Yu Li, Geoffrey L. Smith, Hermann Meyer, James W. LeDuc, and Robert M. Wohlhueter
Science 11 August 2006: 807-812.
Published online 27 July 2006 [DOI: 10.1126/science.1125134] (in Science Express Research Articles)
Samples of the smallpox virus reveal three distinct clades—from West Africa, Asia, and South America—a finding that could facilitate the response to an unintended release. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Reports

Magnetic Fields in the Formation of Sun-Like Stars

Josep M. Girart, Ramprasad Rao, and Daniel P. Marrone
Science 11 August 2006: 812-814.
The gas collapsing into an incipient star has an hourglass shape, indicating that magnetic fields are present and strong enough to partially counteract gravity. Abstract »|   Full Text »|   PDF »|  

A Long-Period, Violently Variable X-ray Source in a Young Supernova Remnant

A. De Luca, P. A. Caraveo, S. Mereghetti, A. Tiengo, and G. F. Bignami
Science 11 August 2006: 814-817.
Published online 6 July 2006 [DOI: 10.1126/science.1129185] (in Science Express Reports)
X-rays emitted from the center of a recent supernova vary slowly over about 6 hours, implying that the remnants represent either a binary system or unusual neutron star. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Hexagonal Mesoporous Germanium

Gerasimos S. Armatas and Mercouri G. Kanatzidis
Science 11 August 2006: 817-820.
Published online 20 July 2006 [DOI: 10.1126/science.1130101] (in Science Express Reports)
A liquid crystal surfactant is used to template germanium into an optically active material with large pores. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Time-Resolved Seismic Tomography Detects Magma Intrusions at Mount Etna

D. Patanè, G. Barberi, O. Cocina, P. De Gori, and C. Chiarabba
Science 11 August 2006: 821-823.
Repeated seismic tomographic images of the crust beneath Mount Etna reveal the ascent of a gas-rich magma during its recent eruption. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

An Experimental Study of the Coloring Problem on Human Subject Networks

Michael Kearns, Siddharth Suri, and Nick Montfort
Science 11 August 2006: 824-827.
The ability of groups to solve a computationally difficult problem is greater when they are organized as a small-world network than in other arrangements. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Insignificant Change in Antarctic Snowfall Since the International Geophysical Year

Andrew J. Monaghan, David H. Bromwich, Ryan L. Fogt, Sheng-Hung Wang, Paul A. Mayewski, Daniel A. Dixon, Alexey Ekaykin, Massimo Frezzotti, Ian Goodwin, Elisabeth Isaksson, Susan D. Kaspari, Vin I. Morgan, Hans Oerter, Tas D. Van Ommen, Cornelius J. Van der Veen, and Jiahong Wen
Science 11 August 2006: 827-831.
Despite predictions of increased precipitation in the interior of Antarctica associated with global warming, annual snow accumulation has not changed during the past 50 years. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Divergent Induced Responses to an Invasive Predator in Marine Mussel Populations

Aaren S. Freeman and James E. Byers
Science 11 August 2006: 831-833.
Upon the arrival of an invasive predatory crab, marine mussels seem to have quickly evolved the ability to grow a thicker, defensive shell. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Loss of a Harvested Fish Species Disrupts Carbon Flow in a Diverse Tropical River

Brad W. Taylor, Alexander S. Flecker, and Robert O. Hall, Jr.
Science 11 August 2006: 833-836.
A single fish species that feeds on detritus is surprisingly influential in carbon cycling and ecosystem function in a tropical river. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Polarized Light Cues Underlie Compass Calibration in Migratory Songbirds

Rachel Muheim, John B. Phillips, and Susanne Åkesson
Science 11 August 2006: 837-839.
Migrating songbirds use polarized light at sunrise and sunset as signals to unify the calibration of their multiple compass systems—the Sun, stars, polarized light, and geomagnetism. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Requirement for Coronin 1 in T Lymphocyte Trafficking and Cellular Homeostasis

Niko Föger, Linda Rangell, Dimitry M. Danilenko, and Andrew C. Chan
Science 11 August 2006: 839-842.
An actin binding protein is necessary for immune cells to move and function normally. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Dodeca-CLE Peptides as Suppressors of Plant Stem Cell Differentiation

Yasuko Ito, Ikuko Nakanomyo, Hiroyasu Motose, Kuninori Iwamoto, Shinichiro Sawa, Naoshi Dohmae, and Hiroo Fukuda
Science 11 August 2006: 842-845.
A 31-member family of genes encodes dodecapeptides with two hydroxyproline residues (peptides) that control the fates of plant stem cells. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

A Plant Peptide Encoded by CLV3 Identified by in Situ MALDI-TOF MS Analysis

Tatsuhiko Kondo, Shinichiro Sawa, Atsuko Kinoshita, Satoko Mizuno, Tatsuo Kakimoto, Hiroo Fukuda, and Youji Sakagami
Science 11 August 2006: 845-848.
A 12—amino acid plant peptide that controls the shoot apical meristem was identified by in situ matrix-assisted laser desorption/ionization—time-of-flight mass spectrometry. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Escherichia coli Induces DNA Double-Strand Breaks in Eukaryotic Cells

Jean-Philippe Nougayrède, Stefan Homburg, Frédéric Taieb, Michèle Boury, Elzbieta Brzuszkiewicz, Gerhard Gottschalk, Carmen Buchrieser, Jörg Hacker, Ulrich Dobrindt, and Eric Oswald
Science 11 August 2006: 848-851.
Microbes that normally live in the gut produce a small molecule that slows the turnover of the gut lining by damaging host DNA, possibly enhancing their colonization. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Tequila, a Neurotrypsin Ortholog, Regulates Long-Term Memory Formation in Drosophila

Gérard Didelot, Florence Molinari, Paul Tchénio, Daniel Comas, Elodie Milhiet, Arnold Munnich, Laurence Colleaux, and Thomas Preat
Science 11 August 2006: 851-853.
The normal Drosophila homolog of a defective human gene that causes mental retardation is necessary for proper memory formation. Abstract »|   Full Text »|   PDF »|   Supporting Online Material »|  

Technical Comments

Comment on "Gene Regulatory Networks and the Evolution of Animal Body Plans"

Jerry A. Coyne
Science 11 August 2006: 761.
Abstract »|   Full Text »|   PDF »|  

Response to Comment on "Gene Regulatory Networks and the Evolution of Animal Body Plans"

Douglas H. Erwin and Eric H. Davidson
Science 11 August 2006: 761.
Abstract »|   Full Text »|   PDF »|