This Week in Science

Editor summaries of this week's papers.
Science 28 March 1997: 1853.
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Editorial:
Knowledge: A Mountain or a Stream?

Don E. Detmer
Science 28 March 1997: 1859-0.
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 Book Reviews|Infinite Potential, reviewed by S. Goldstein * Magnetic Stratigraphy, S. W. Bogue * Vignettes * Browsings

Science 28 March 1997: 1893-1894.

 AAAS News & Notes

Science 28 March 1997: 1963-0.

 Products & Materials|

Science 28 March 1997: 1969-1970.

 Quarterly Author Index

Science 28 March 1997: 1969-0.

News and Comment

Tropical Forests: Is 'Good Wood' Bad for Forests?

Michael McRae
Science 28 March 1997: 1868-1869.
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Earthquake Prediction: Report Slams Japanese Program

Dennis Normile
Science 28 March 1997: 1870-0.
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Earth Sciences: Climate Warms a Bit for NASA Mission

Andrew Lawler
Science 28 March 1997: 1870-0.
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Italy: Reform Begins With New CNR Head

Susan Biggin
Science 28 March 1997: 1871-0.
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Radiation Protection: France Distributes Iodine Near Reactors

Michael Balter
Science 28 March 1997: 1871-1872.
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Ukraine: Tax Law Halts Western Grant Payments

Richard Stone
Science 28 March 1997: 1872-0.
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Funding: Plasma Physics Gets a Home

James Glanz
Science 28 March 1997: 1873-0.
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Space Station: Canada Reaches Out to NASA

Wayne Kondro
Science 28 March 1997: 1873-1874.
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Public Outreach: Baltimore's Newest Tourist Attraction--Scientists

Steve Olson
Science 28 March 1997: 1874-1875.
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ScienceScope

Science 28 March 1997: 1867.
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Random Samples

Science 28 March 1997: 1883.
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Research News

Cancer Genetics: New Tumor Suppressor Found--Twice

Elizabeth Pennisi
Science 28 March 1997: 1876-1878.
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Science Publishing: Prepaper Publicity Ignites Race to Publish

Elizabeth Pennisi
Science 28 March 1997: 1877-0.
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Materials Science: Shape-Changing Crystals Get Shiftier

Robert F. Service
Science 28 March 1997: 1878-0.
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Endocrine Disrupters: Synergy Paper Questioned at Toxicology Meeting

Jocelyn Kaiser
Science 28 March 1997: 1879-0.
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Evolution: Predator-Free Guppies Take an Evolutionary Leap Forward

Virginia Morell
Science 28 March 1997: 1880-0.
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Earth Science: 'Real-Time' Oceanography Adapts to Sea Changes

Steve Nadis
Science 28 March 1997: 1881-1882.
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Technology: Robotic Subs for Rapid-Response Science

Steve Nadis
Science 28 March 1997: 1881-0.
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Biophysics: DNA on the Big Screen

Erik Stokstad
Science 28 March 1997: 1882-0.
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Letters

This Week's Letters

Science 28 March 1997: 1861-1865.
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HAARP Facility in Alaska

William E. Gordon
Science 28 March 1997: 1861-1865.
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Sequence Patents

Susan E. Cullen
Science 28 March 1997: 1861-1865.
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Bioinformatics: Mathematical Challenges and Ecology

James B. Grace
Science 28 March 1997: 1861-1865.
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Surprise Authorship

Gerald N. Levy
Science 28 March 1997: 1861-1865.
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Medical School Funding

David Korn; and Kenneth I. Shine
Science 28 March 1997: 1861-1865.
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International Support for Natural History Museums

Arie Budiman, John Burley, John Peake, and Judy West
Science 28 March 1997: 1861-1865.
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Corrections and Clarifications

Science 28 March 1997: 1861-1865.
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Perspectives

Enhanced: Stardust Memories

Dale P. Cruikshank
Science 28 March 1997: 1895-1896.
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Single-Molecule Transistors

Leo Kouwenhoven
Science 28 March 1997: 1896-1897.
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A Gut Reaction--Lymphoepithelial Communication in the Intestine

Fergus Shanahan
Science 28 March 1997: 1897-0.
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UPDATE: PH Domains--A Universal Membrane Adapter

Brian A. Hemmings
Science 28 March 1997: 1899-0.
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Reports

 COMET HALE-BOPP

Science 28 March 1997: 1889-0.

The Activity and Size of the Nucleus of Comet Hale-Bopp (C/1995 O1)

H. A. Weaver, P. D. Feldman, M. F. A'Hearn, C. Arpigny, J. C. Brandt, M. C. Festou, M. Haken, J. B. McPhate, S. A. Stern, and G. P. Tozzi
Science 28 March 1997: 1900-1904.
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The Spectrum of Comet Hale-Bopp (C/1995 O1) Observed with the Infrared Space Observatory at 2.9 Astronomical Units from the Sun

Jacques Crovisier, Kieron Leech, Dominique Bockelée-Morvan, Timothy Y. Brooke, Martha S. Hanner, Bruno Altieri, H. Uwe Keller, and Emmanuel Lellouch
Science 28 March 1997: 1904-1907.
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Ground-Based Thermal Infrared Observations of Comet Hale-Bopp (C/1995 O1) During 1996

T. L. Hayward and and M. S. Hanner
Science 28 March 1997: 1907-1909.
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Optical Observations of Comet Hale-Bopp (C/1995 O1) at Large Heliocentric Distances Before Perihelion

Heike Rauer, Claude Arpigny, Hermann Boehnhardt, François Colas, Jacques Crovisier, Laurent Jorda, Michael Küppers, Jean Manfroid, Kai Rembor, and Nicolas Thomas
Science 28 March 1997: 1909-1912.
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Photometric Behavior of Comet Hale-Bopp (C/1995 O1) Before Perihelion

David G. Schleicher, Susan M. Lederer, Robert L. Millis, and Tony L. Farnham
Science 28 March 1997: 1913-1915.
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Evolution of the Outgassing of Comet Hale-Bopp (C/1995 O1) from Radio Observations

Nicolas Biver, Dominique Bockelée-Morvan, Pierre Colom, Jacques Crovisier, John K. Davies, William R. F. Dent, Didier Despois, Eric Gérard, Emmanuel Lellouch, Heike Rauer, Raphael Moreno, and Gabriel Paubert
Science 28 March 1997: 1915-1918.
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The Spectrum and Spatial Distribution of Cyanogen in Comet Hale-Bopp (C/1995 O1) at Large Heliocentric Distance

R. Mark Wagner and David G. Schleicher
Science 28 March 1997: 1918-1920.
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Diffusing-Wave Spectroscopy of Dynamics in a Three-Dimensional Granular Flow

Narayanan Menon and and Douglas J. Durian
Science 28 March 1997: 1920-1922.
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Single-Electron Transport in Ropes of Carbon Nanotubes

Marc Bockrath, David H. Cobden, Paul L. McEuen, Nasreen G. Chopra, A. Zettl, Andreas Thess, and R. E. Smalley
Science 28 March 1997: 1922-1925.
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Origin of the High-Frequency Doublet in the Vibrational Spectrum of Vitreous SiO₂

Johannes Sarnthein, Alfredo Pasquarello, and Roberto Car
Science 28 March 1997: 1925-1927.
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Signaling by Phosphoinositide-3,4,5-Trisphosphate Through Proteins Containing Pleckstrin and Sec7 Homology Domains

Jes K. Klarlund, Adilson Guilherme, John J. Holik, Joseph V. Virbasius, Anil Chawla, and Michael P. Czech
Science 28 March 1997: 1927-1930.
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Nuclear Export of NF-ATc Enhanced by Glycogen Synthase Kinase-3

Chan R. Beals, Colleen M. Sheridan, Christoph W. Turck, Phyllis Gardner, and Gerald R. Crabtree
Science 28 March 1997: 1930-1933.
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Evaluation of the Rate of Evolution in Natural Populations of Guppies (Poecilia reticulata)

David N. Reznick, Frank H. Shaw, F. Helen Rodd, and Ruth G. Shaw
Science 28 March 1997: 1934-1937.
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Local Hormone Networks and Intestinal T Cell Homeostasis

Jin Wang, Michael Whetsell, and John R. Klein
Science 28 March 1997: 1937-1939.
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Attentional Activation of the Cerebellum Independent of Motor Involvement

Greg Allen, Richard B. Buxton, Eric C. Wong, and Eric Courchesne
Science 28 March 1997: 1940-1943.
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PTEN, a Putative Protein Tyrosine Phosphatase Gene Mutated in Human Brain, Breast, and Prostate Cancer

Jing Li, Clifford Yen, Danny Liaw, Katrina Podsypanina, Shikha Bose, Steven I. Wang, Janusz Puc, Christa Miliaresis, Linda Rodgers, Richard McCombie, Sandra H. Bigner, Beppino C. Giovanella, Michael Ittmann, Ben Tycko, Hanina Hibshoosh, Michael H. Wigler, and Ramon Parsons
Science 28 March 1997: 1943-1947.
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Technical Comments

 Dating a Paleoindian Site in the Amazon in Comparison with Clovis Cuture

C. Vance Haynes, Jr., Richard E. Reanier;, William P. Barse;, A. C. Roosevelt, Marconales Lima da Costa, Linda J. Brown, John E. Douglas, Matthew O'Donnell, Ellen Quinn, Judy Kemp, Christiane Lopes Machado, Maura Imazio da Silveira, James Feathers, and Andrew Henderson
Science 28 March 1997: 1948-1952.
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