Contents

Contents

• This Week in Science

  • Editor summaries of this week's papers.

    Science28 Mar 1997 : 1853 Full AccessRestricted Access

    • Full Text

• Editorial

  • Knowledge: A Mountain or a Stream?

    By Don E. Detmer

    Science28 Mar 1997 : 1859 Full AccessRestricted Access

    • Summary

• Departments

  • Infinite Potential, reviewed by S. Goldstein * Magnetic Stratigraphy, S. W. Bogue * Vignettes * Browsings

    Science28 Mar 1997 : 1893-1894 Full AccessRestricted Access

  • AAAS News & Notes

    Science28 Mar 1997 : 1963 Full AccessRestricted Access

  • Products & Materials

    Science28 Mar 1997 : 1969-1970 Full AccessRestricted Access

  • Quarterly Author Index

    Science28 Mar 1997 : 1969 Full AccessRestricted Access

• News & Comment

  • Is ‘Good Wood’ Bad for Forests?

    By Michael McRae

    Science28 Mar 1997 : 1868-1869 Full AccessRestricted Access

    • Summary
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  • Report Slams Japanese Program

    By Dennis Normile

    Science28 Mar 1997 : 1870 Full AccessRestricted Access

    • Summary
    • Full Text

  • Climate Warms a Bit for NASA Mission

    By Andrew Lawler

    Science28 Mar 1997 : 1870 Full AccessRestricted Access

    • Summary
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  • Reform Begins With New CNR Head

    By Susan Biggin

    Science28 Mar 1997 : 1871 Full AccessRestricted Access

    • Summary
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  • France Distributes Iodine Near Reactors

    By Michael Balter

    Science28 Mar 1997 : 1871-1872 Full AccessRestricted Access

    • Summary
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  • Tax Law Halts Western Grant Payments

    By Richard Stone

    Science28 Mar 1997 : 1872 Full AccessRestricted Access

    • Summary
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  • Plasma Physics Gets a Home

    By James Glanz

    Science28 Mar 1997 : 1873 Full AccessRestricted Access

    • Summary
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  • Canada Reaches Out to NASA

    By Wayne Kondro

    Science28 Mar 1997 : 1873-1874 Full AccessRestricted Access

    • Summary
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  • Baltimore's Newest Tourist Attraction—Scientists

    By Steve Olson

    Science28 Mar 1997 : 1874-1875 Full AccessRestricted Access

    • Summary
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• ScienceScope

  • ScienceScope

    Science28 Mar 1997 : 1867 Full AccessRestricted Access

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• Random Samples

  • Random Samples

    Science28 Mar 1997 : 1883 Full AccessRestricted Access

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• Research News

  • New Tumor Suppressor Found--Twice

    By Elizabeth Pennisi

    Science28 Mar 1997 : 1876-1878 Full AccessRestricted Access

    • Summary
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  • Prepaper Publicity Ignites Race to Publish

    By Elizabeth Pennisi

    Science28 Mar 1997 : 1877 Full AccessRestricted Access

    • Summary
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  • Shape-Changing Crystals Get Shiftier

    By Robert F. Service

    Science28 Mar 1997 : 1878 Full AccessRestricted Access

    • Summary
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  • Synergy Paper Questioned at Toxicology Meeting

    By Jocelyn Kaiser

    Science28 Mar 1997 : 1879 Full AccessRestricted Access

    • Summary
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  • Predator-Free Guppies Take an Evolutionary Leap Forward

    By Virginia Morell

    Science28 Mar 1997 : 1880 Full AccessRestricted Access

    • Summary
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  • ‘Real-Time’ Oceanography Adapts to Sea Changes

    By Steve Nadis

    Science28 Mar 1997 : 1881-1882 Full AccessRestricted Access

    • Summary
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  • Robotic Subs for Rapid-Response Science

    By Steve Nadis

    Science28 Mar 1997 : 1881 Full AccessRestricted Access

    • Summary
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  • DNA on the Big Screen

    By Erik Stokstad

    Science28 Mar 1997 : 1882 Full AccessRestricted Access

    • Summary
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• Letters

  • This Week's Letters

    STANDING FIRM

    Science28 Mar 1997 : 1861-1865 Full AccessRestricted Access

    • Summary
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  • HAARP Facility in Alaska

    By William E. Gordon

    Science28 Mar 1997 : 1861-1865 Full AccessRestricted Access

    • Summary

  • Sequence Patents

    By Susan E. Cullen

    Science28 Mar 1997 : 1861-1865 Full AccessRestricted Access

    • Summary

  • Bioinformatics: Mathematical Challenges and Ecology

    By James B. Grace

    Science28 Mar 1997 : 1861-1865 Full AccessRestricted Access

    • Summary

  • Surprise Authorship

    By Gerald N. Levy

    Science28 Mar 1997 : 1861-1865 Full AccessRestricted Access

    • Summary

  • Medical School Funding

    By David Korn, Kenneth I. Shine

    Science28 Mar 1997 : 1861-1865 Full AccessRestricted Access

    • Summary
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  • International Support for Natural History Museums

    By Arie Budiman, John Burley, John Peake, Judy West

    Science28 Mar 1997 : 1861-1865 Full AccessRestricted Access

    • Summary

  • Corrections and Clarifications

    Science28 Mar 1997 : 1861-1865 Full AccessRestricted Access

    • Summary

• Perspectives

  • Stardust Memories

    By Dale P. Cruikshank

    Science28 Mar 1997 : 1895-1896 Full AccessRestricted Access

    • Summary
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  • Single-Molecule Transistors

    By Leo Kouwenhoven

    Science28 Mar 1997 : 1896-1897 Full AccessRestricted Access

    • Summary
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  • A Gut Reaction--Lymphoepithelial Communication in the Intestine

    By Fergus Shanahan

    Science28 Mar 1997 : 1897 Full AccessRestricted Access

    • Summary
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  • UPDATE: PH Domains--A Universal Membrane Adapter

    By Brian A. Hemmings

    Science28 Mar 1997 : 1899 Full AccessRestricted Access

    • Summary
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• Reports

  • COMET HALE-BOPP

    Science28 Mar 1997 : 1889 Full AccessRestricted Access

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

    By 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, G. P. Tozzi

    Science28 Mar 1997 : 1900-1904 Full AccessRestricted Access

    • Abstract
    • Full Text
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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

    By Jacques Crovisier, Kieron Leech, Dominique Bockelée-Morvan, Timothy Y. Brooke, Martha S. Hanner, Bruno Altieri, H. Uwe Keller, Emmanuel Lellouch

    Science28 Mar 1997 : 1904-1907 Full AccessRestricted Access

    • Abstract
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  • Ground-Based Thermal Infrared Observations of Comet Hale-Bopp (C/1995 O1) During 1996

    By T. L. Hayward, M. S. Hanner

    Science28 Mar 1997 : 1907-1909 Full AccessRestricted Access

    • Abstract
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  • Optical Observations of Comet Hale-Bopp (C/1995 O1) at Large Heliocentric Distances Before Perihelion

    By Heike Rauer, Claude Arpigny, Hermann Boehnhardt, François Colas, Jacques Crovisier, Laurent Jorda, Michael Küppers, Jean Manfroid, Kai Rembor, Nicolas Thomas

    Science28 Mar 1997 : 1909-1912 Full AccessRestricted Access

    • Abstract
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  • Photometric Behavior of Comet Hale-Bopp (C/1995 O1) Before Perihelion

    By David G. Schleicher, Susan M. Lederer, Robert L. Millis, Tony L. Farnham

    Science28 Mar 1997 : 1913-1915 Full AccessRestricted Access

    • Abstract
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  • Evolution of the Outgassing of Comet Hale-Bopp (C/1995 O1) from Radio Observations

    By 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, Gabriel Paubert

    Science28 Mar 1997 : 1915-1918 Full AccessRestricted Access

    • Abstract
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  • The Spectrum and Spatial Distribution of Cyanogen in Comet Hale-Bopp (C/1995 O1) at Large Heliocentric Distance

    By R. Mark Wagner, David G. Schleicher

    Science28 Mar 1997 : 1918-1920 Full AccessRestricted Access

    • Abstract
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  • Diffusing-Wave Spectroscopy of Dynamics in a Three-Dimensional Granular Flow

    By Narayanan Menon, Douglas J. Durian

    Science28 Mar 1997 : 1920-1922 Full AccessRestricted Access

    • Abstract
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  • Single-Electron Transport in Ropes of Carbon Nanotubes

    By Marc Bockrath, David H. Cobden, Paul L. McEuen, Nasreen G. Chopra, A. Zettl, Andreas Thess, R. E. Smalley

    Science28 Mar 1997 : 1922-1925 Full AccessRestricted Access

    • Abstract
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  • Origin of the High-Frequency Doublet in the Vibrational Spectrum of Vitreous SiO₂

    By Johannes Sarnthein, Alfredo Pasquarello, Roberto Car

    Science28 Mar 1997 : 1925-1927 Full AccessRestricted Access

    • Abstract
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  • Signaling by Phosphoinositide-3,4,5-Trisphosphate Through Proteins Containing Pleckstrin and Sec7 Homology Domains

    By Jes K. Klarlund, Adilson Guilherme, John J. Holik, Joseph V. Virbasius, Anil Chawla, Michael P. Czech

    Science28 Mar 1997 : 1927-1930 Full AccessRestricted Access

    • Abstract
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  • Nuclear Export of NF-ATc Enhanced by Glycogen Synthase Kinase-3

    By Chan R. Beals, Colleen M. Sheridan, Christoph W. Turck, Phyllis Gardner, Gerald R. Crabtree

    Science28 Mar 1997 : 1930-1933 Full AccessRestricted Access

    • Abstract
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  • Evaluation of the Rate of Evolution in Natural Populations of Guppies (Poecilia reticulata)

    By David N. Reznick, Frank H. Shaw, F. Helen Rodd, Ruth G. Shaw

    Science28 Mar 1997 : 1934-1937 Full AccessRestricted Access

    • Abstract
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  • Local Hormone Networks and Intestinal T Cell Homeostasis

    By Jin Wang, Michael Whetsell, John R. Klein

    Science28 Mar 1997 : 1937-1939 Full AccessRestricted Access

    • Abstract
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  • Attentional Activation of the Cerebellum Independent of Motor Involvement

    By Greg Allen, Richard B. Buxton, Eric C. Wong, Eric Courchesne

    Science28 Mar 1997 : 1940-1943 Full AccessRestricted Access

    • Abstract
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  • PTEN, a Putative Protein Tyrosine Phosphatase Gene Mutated in Human Brain, Breast, and Prostate Cancer

    By 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, Ramon Parsons

    Science28 Mar 1997 : 1943-1947 Full AccessRestricted Access

    • Abstract
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• Technical Comments

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

    By C. Vance Haynes Jr.

    Science28 Mar 1997 : 1948-1952 Full AccessRestricted Access

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