This Week in Science

Editor summaries of this week's papers.
Science 18 July 1997: 289.
|Full Text »

Editorial:
Communities: Virtual vs. Real

Amita Etzioni and Oren Etzioni
Science 18 July 1997: 295.
Summary »|  

News and Comment

NATIONAL LABORATORIES:
A Harsh Light Falls on NIF

James Glanz
Science 18 July 1997: 304-307.
Summary »|   Full Text »|  

NATIONAL LABORATORIES:
Stewardship Gravy Train Could Prove a Short Trip

Andrew Lawler
Science 18 July 1997: 305.
Summary »|   Full Text »|  

NATIONAL LABORATORIES:
Will NIF Put the Squeeze on Sandia's Z Pinch?

James Glanz
Science 18 July 1997: 306.
Summary »|   Full Text »|  

FRANCE:
New CNRS Chief Gets Marching Orders

Michael Balter
Science 18 July 1997: 308.
Summary »|   Full Text »|  

GENETIC RESEARCH:
Clinton Backs Broad Genetic Safeguards

Eliot Marshall
Science 18 July 1997: 308-309.
Summary »|   Full Text »|  

MALARIA RESEARCH:
Global Initiative Takes Shape Slowly

Richard Gallagher
Science 18 July 1997: 309.
Summary »|   Full Text »|  

CHINA:
Academics See Benefits in Hong Kong's New Status

Dennis Normile
Science 18 July 1997: 310-311.
Summary »|   Full Text »|  

EDUCATION:
Schools Ponder New Global Landscape

Dennis Normile
Science 18 July 1997: 311.
Summary »|   Full Text »|  

ScienceScope

Science 18 July 1997: 303.
|Full Text »

Random Samples

Science 18 July 1997: 321.
|Full Text »

Research News

EXOTIC DISEASES:
Is an Old Virus Up to New Tricks?

Jon Cohen
Science 18 July 1997: 312-313.
Summary »|   Full Text »|  

EXOTIC DISEASES:
Smallpox: Clues From a Killer

Jon Cohen
Science 18 July 1997: 313.
Summary »|   Full Text »|  

BIOCHEMISTRY:
Yeast Protein Acting Alone Triggers Prion-Like Process

Gretchen Vogel
Science 18 July 1997: 314.
Summary »|   Full Text »|  

ECOLOGY:
Resurgent Forests Can Be Greenhouse Gas Sponges

Anne Simon Moffat
Science 18 July 1997: 315-316.
Summary »|   Full Text »|  

ECOLOGY:
Hybrids Consummate Species Invasion

Wade Roush
Science 18 July 1997: 316-317.
Summary »|   Full Text »|  

MEETING BRIEFS:
How Male Animals Gain an Edge in the Mating Game

Elizabeth Pennisi
Science 18 July 1997: 317-318.
Summary »|   Full Text »|  

PLANETARY SCIENCE:
Comet Origin of Oceans All Wet?

Donald Goldsmith
Science 18 July 1997: 318.
Summary »|   Full Text »|  

BIOCHEMISTRY:
Hijacking a Cell's Chemical Paths to Make New Antibiotics

Robert F. Service
Science 18 July 1997: 319.
Summary »|   Full Text »|  

Letters

Choices

Science 18 July 1997: 297-301.
Summary »|  

 Bison Study Principal Investigator

E. William Colglazier
Science 18 July 1997: 297-301.
Full Text »|  

 Privatization of a Journal

Janet M. Boullin;, Julianne Chappell;, and Claire Safran;
Science 18 July 1997: 297-301.
Full Text »|  

 On the Antibiotic Frontier

David Wade;, B. Brett Finlay, and Pascale Cossart;
Science 18 July 1997: 297-301.
Full Text »|  

 Environmental Economics and Ecological Economics

Trudy Ann Cameron
Science 18 July 1997: 297-301.
Full Text »|  

 Expanding Wetlands Globally

Michael E. Valdez
Science 18 July 1997: 297-301.
Full Text »|  

 Corrections and Clarifications

Science 18 July 1997: 297-301.
Full Text »|  

Books et al.

Avenues for Plants

Douglas E. Soltis
Science 18 July 1997: 326-327.
Summary »|   Full Text »|  

Programs in Physics

Arthur Fine
Science 18 July 1997: 327.
Summary »|   Full Text »|  

Browsings

Science 18 July 1997: 327.
Summary »|   Full Text »|  

Perspectives

ASTROCHEMISTRY:
Enhanced: Water on the Sun: Molecules Everywhere

Takeshi Oka
Science 18 July 1997: 328-329.
Summary »|   Full Text »|  

PROTEIN STRUCTURE:
GAP into the Breach

Stephen R. Sprang
Science 18 July 1997: 329-330.
Summary »|   Full Text »|  

NEUROSCIENCE:
How Does the Brain Organize Memories?

Howard Eichenbaum
Science 18 July 1997: 330-332.
Summary »|   Full Text »|  

IMMUNOLOGY:
Update: Antigen Presentation: A Balanced Diet

Michael Brenner and Steven Porcelli
Science 18 July 1997: 332.
Summary »|   Full Text »|  

Tech.Sight

DNA SEQUENCING: Massively Parallel Genomics

Stephen P.A. Fodor
Science 18 July 1997: 393-395.
Summary »|   Full Text »|  

SIGHTINGS: Jurassic Mouse

Richard Peters and Robert Sikorski
Science 18 July 1997: 397.
Summary »|   Full Text »|  

SIGHTINGS: Hitchhiking with Peptides

Richard Peters and Robert Sikorski
Science 18 July 1997: 397.
Summary »|   Full Text »|  

SITE FINDER: Robot Spotting

Robert Sikorski and Richard Peters
Science 18 July 1997: 398-399.
Summary »|   Full Text »|  

NETTIPS: Browser Half-Life

Robert Sikorski and Richard Peters
Science 18 July 1997: 399.
Summary »|   Full Text »|  

 Products

Science 18 July 1997: 401.

 For career information on Combinatorial Chemistry, see the Next Wave

Science 18 July 1997: 401.

Research Articles

The Ras-RasGAP Complex: Structural Basis for GTPase Activation and Its Loss in Oncogenic Ras Mutants

Klaus Scheffzek, Mohammad Reza Ahmadian, Wolfgang Kabsch, Lisa Wiesmüller, Alfred Lautwein, Frank Schmitz, and Alfred Wittinghofer
Science 18 July 1997: 333-338.
Abstract »|   Full Text »|   PDF »|  

Crystal Structure of Mouse CD1: An MHC-Like Fold with a Large Hydrophobic Binding Groove

Z.-H. Zeng, A. R. Castaño, B. W. Segelke, E. A. Stura, P. A. Peterson, and I. A. Wilson
Science 18 July 1997: 339-345.
Abstract »|   Full Text »|   PDF »|  

Reports

Water on the Sun: Line Assignments Based on Variational Calculations

Oleg L. Polyansky, Nikolai F. Zobov, Serena Viti, Jonathan Tennyson, Peter F. Bernath, and Lloyd Wallace
Science 18 July 1997: 346-348.
Abstract »|   Full Text »|   PDF »|  

High-Altitude Observations of the Polar Wind

T. E. Moore, C. R. Chappell, M. O. Chandler, P. D. Craven, B. L. Giles, C. J. Pollock, J. L. Burch, D. T. Young, J. H. Waite, Jr., J. E. Nordholt, M. F. Thomsen, D. J. McComas, J. J. Berthelier, W. S. Williamson, R. Robson, and F. S. Mozer
Science 18 July 1997: 349-351.
Abstract »|   Full Text »|   PDF »|  

Natural Occurrence of MgSiO₃-Ilmenite and Evidence for MgSiO₃-Perovskite in a Shocked L Chondrite

Thomas G. Sharp, Cornelia M. Lingemann, Catherine Dupas, and Dieter Stöffler
Science 18 July 1997: 352-355.
Abstract »|   Full Text »|   PDF »|  

The Ionosphere of Europa from Galileo Radio Occultations

A. J. Kliore, D. P. Hinson, F. M. Flasar, A. F. Nagy, and T. E. Cravens
Science 18 July 1997: 355-358.
Abstract »|   Full Text »|   PDF »|  

Experimental Simulations of Sulfide Formation in the Solar Nebula

Dante S. Lauretta, Katharina Lodders, and Bruce Fegley, Jr.
Science 18 July 1997: 358-360.
Abstract »|   Full Text »|   PDF »|  

Evidence for Large-Scale Eddy-Driven Gyres in the North Atlantic

M. Susan Lozier
Science 18 July 1997: 361-364.
Abstract »|   Full Text »|   PDF »|  

Maximum and Minimum Temperature Trends for the Globe

David R. Easterling, Briony Horton, Philip D. Jones, Thomas C. Peterson, Thomas R. Karl, David E. Parker, M. James Salinger, Vyacheslav Razuvayev, Neil Plummer, Paul Jamason, and Christopher K. Folland
Science 18 July 1997: 364-367.
Abstract »|   Full Text »|   PDF »|  

Precursor-Directed Biosynthesis of Erythromycin Analogs by an Engineered Polyketide Synthase

John R. Jacobsen, C. Richard Hutchinson, David E. Cane, and Chaitan Khosla
Science 18 July 1997: 367-369.
Abstract »|   Full Text »|   PDF »|  

Inhibition of Bax Channel-Forming Activity by Bcl-2

Bruno Antonsson, Franco Conti, AnnaMaria Ciavatta, Sylvie Montessuit, Shareta Lewis, Isabelle Martinou, Lilia Bernasconi, Alain Bernard, Jean-Jacques Mermod, Gonzalo Mazzei, Kinsey Maundrell, Franco Gambale, Rémy Sadoul, and Jean-Claude Martinou
Science 18 July 1997: 370-372.
Abstract »|   Full Text »|   PDF »|  

Alternative Cleavage of Alzheimer-Associated Presenilins During Apoptosis by a Caspase-3 Family Protease

Tae-Wan Kim, Warren H. Pettingell, Yong-Keun Jung, Dora M. Kovacs, and Rudolph E. Tanzi
Science 18 July 1997: 373-376.
Abstract »|   Full Text »|   PDF »|  

Differential Effects of Early Hippocampal Pathology on Episodic and Semantic Memory

F. Vargha-Khadem, D. G. Gadian, K. E. Watkins, A. Connelly, W. Van Paesschen, and M. Mishkin
Science 18 July 1997: 376-380.
Abstract »|   Full Text »|   PDF »|  

In Vitro Propagation of the Prion-Like State of Yeast Sup35 Protein

Sergey V. Paushkin, Vitaly V. Kushnirov, Vladimir N. Smirnov, and Michael D. Ter-Avanesyan
Science 18 July 1997: 381-383.
Abstract »|   Full Text »|   PDF »|  

Mating Type Switching in Yeast Controlled by Asymmetric Localization of ASH1 mRNA

Roy M. Long, Robert H. Singer, Xiuhua Meng, Isabel Gonzalez, Kim Nasmyth, and Ralf-Peter Jansen
Science 18 July 1997: 383-387.
Abstract »|   Full Text »|   PDF »|  

Technical Comments

 Genetic Complexity and Parkinson's Disease

William K. Scott, Jeffrey M. Stajich, Larry H. Yamaoka, Marcy C. Speer, Jeffery M. Vance, Allen D. Roses, Margaret A. Pericak-Vance,   the Deane Laboratory Parkinson Disease Research Group;, T. Gasser, B. Müller-Myhsok, Z. K. Wszolek, A. Dürr, J. R. Vaughan, V. Bonifati, G. Meco, B. Bereznai, R. Oehlmann, Y. Agid, A. Brice, N. Wood;, and Mihael H. Polymeropoulos;
Science 18 July 1997: 387-390.
Full Text »|   PDF »|  

 Experiments in a Parkinson's Rat Model

Roberto Pallini, Alessandro Consales, Liverana Lauretti, Eduardo Fernandez;, Derek L. Choi-Lundberg, and Martha C. Bohn;
Science 18 July 1997: 389-390.
Full Text »|   PDF »|