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Science, New Series, Vol. 276, No. 5320, Jun. 20, 1997


Previous Issue: New Series, Vol. 276, No. 5319, Jun. 13, 1997
Next Issue: New Series, Vol. 276, No. 5321, Jun. 27, 1997


Front Matter (39 pp.)
Editorial: Tech.Sight: Techniques Without Mystique, p. 1771
Floyd E. Bloom


Letters
Successful Collaboration, p. 1773
Hong Yang
Italian Basic and Applied Research, pp. 1773-1774
Pietro Calissano; Francesco Clementi; Jacopo Meldolesi; Cesare Montecucco; Benedetto Salvato; Stefano Schiaffino
Smoky Skies, Mosquitoes, and Disease, pp. 1774-1775
Forrest M. Mims III; Brent N. Holben; Thomas F. Eck; Brian C. Montgomery; William B. Grant
Science Funding in Argentina, p. 1775
Liliana Busconi
Nannobacteria: Size Limits and Evidence, pp. 1776-1777
Jack Maniloff; Kenneth H. Nealson; Roland Psenner; Maria Loferer; Robert L. Folk


Corrections and Clarifications: Deficit Reduction Nicks Science Funding, p. 1777
Corrections and Clarifications: The Activity and Size of the Nucleus of Comet Hale-Bopp (C/199501), p. 1777
ScienceScope, p. 1779
Jocelyn Kaiser


News and Comment
Russia's Last Shot at Space, pp. 1780-1782
Richard Stone
Microsoft Puts Down Roots in Cambridge, p. 1783
Nigel Williams
Cultural Divide at Stanford, pp. 1783-1784
Ann Gibbons
DOE Struggles with Lab Management, p. 1784
Andrew Lawler
Turtle Project Can't Outrun Bureaucracy, p. 1785
Jeffrey Mervis
Arecibo's More Sensitive Eye on the Sky, p. 1785
Charles Seife
Bison Study Marks Radical Shift for Research Council, pp. 1786-1787
Andrew Lawler
Study Shows One-Fifth of Female Bison Infected, p. 1786
Yvonne Baskin
NSF Offers Carrot to 'Needy' States, p. 1787
Jeffrey Mervis


Research News
Causing Cancer by Remote Control?, pp. 1788-1789
Trisha Gura
How the Hectic Young Sun Cooked Up Stony Meteorites, pp. 1789-1790
James Glanz
Is Warming Trend Harming Penguins?, p. 1790
Jocelyn Kaiser
Life on the Edge: Rainforest Margins May Spawn Species, pp. 1791-1792
Martin Enserink
Geophysicists Ponder Ancient Chills and Elusive Quakes, pp. 1792-1793
Richard A. Kerr
Does a Common Virus Give HIV a Helping Hand?, p. 1794
Michael Balter
New Experiments Step Up Hunt for Neutrino Mass, p. 1795
Dennis Normile


Random Samples, p. 1797
Constance Holden


Book Reviews
Engines of Biodiversity, p. 1811
Plants in Changing Environments. Linking Physiological, Population, and Community Ecology.
F. A. Bazzaz
Review author[s]: Christopher Field
Microbial Invention, pp. 1811-1812
Regulation of Gene Expression in Escherichia coli.
E. C. C. Lin; A. Simon Lynch
Review author[s]: Frederick C. Neidhardt


Perspectives
The Quest for a Supernova Companion, pp. 1813-1814
Pilar Ruiz-Lapuente
Whose Finger is on the Switch?, pp. 1814-1816
David S. Goldfarb
Human Groups as Units of Selection, pp. 1816-1817
David Sloan Wilson
Population Biology of Lymphocytes, p. 1817
Richard B. Gallagher


Policy Forum
Targets for Stabilization of Atmospheric CO2, pp. 1818-1819
Christian Azar; Henning Rodhe


Research Article
Tropical Climate Instability: The Last Glacial Cycle from a Qinghai-Tibetan Ice Core, pp. 1821-1825
L. G. Thompson; T. Yao; M. E. Davis; K. A. Henderson; E. Mosley-Thompson; P. N. Lin; J. Beer; H. A. Synal; J. Cole-Dai; J. F. Bolzan


Reports
White Phosphors from a Silicate-Carboxylate Sol-Gel Precursor That Lack Metal Activator Ions, pp. 1826-1828
Will H. Green; Khoa P. Le; Jonathan Grey; Tiffany T. Au; Michael J. Sailor
The Late Neogene 87 Sr/ 86 Sr Record of Lowland Himalayan Rivers, pp. 1828-1831
Jay Quade; Lois Roe; Peter G. DeCelles; Tank P. Ojha
Topographically Induced Mixing Around a Shallow Seamount, pp. 1831-1833
Rolf G. Lueck; Todd D. Mudge
Abrupt Early to Mid-Holocene Climatic Transition Registered at the Equator and the Poles, pp. 1834-1836
J. C. Stager; P. A. Mayewski
Giant Planet Formation by Gravitational Instability, pp. 1836-1839
Alan P. Boss
Oxygen on Ganymede: Laboratory Studies, pp. 1839-1842
R. A. Vidal; D. Bahr; R. A. Baragiola; M. Peters
Requirement of Guanosine Triphosphate-Bound Ran for Signal-Mediated Nuclear Protein Export, pp. 1842-1844
Stephanie A. Richards; Kimberly L. Carey; Ian G. Macara
Inhibition of Ran Guanosine Triphosphatase-Dependent Nuclear Transport by the Matrix Protein of Vesicular Stomatitis Virus, pp. 1845-1848
Lu-Shiun Her; Elsebet Lund; James E. Dahlberg
Transformation of Chicken Cells by the Gene Encoding the Catalytic Subunit of PI 3-Kinase, pp. 1848-1850
Hwai Wen Chang; Masahiro Aoki; David Fruman; Kurt R. Auger; Alfonso Bellacosa; Philip N. Tsichlis; Lewis C. Cantley; Thomas M. Roberts; Peter K. Vogt
Kaposi's Sarcoma-Associated Herpesvirus Infection of Bone Marrow Dendritic Cells from Multiple Myeloma Patients, pp. 1851-1854
M. B. Rettig; H. J. Ma; R. A. Vescio; M. Põld; G. Schiller; D. Belson; A. Savage; C. Nishikubo; C. Wu; J. Fraser; J. W. Said; J. R. Berenson
A Role for Ecotones in Generating Rainforest Biodiversity, pp. 1855-1857
Thomas B. Smith; Robert K. Wayne; Derek J. Girman; Michael W. Bruford
Macrophages as a Source of HIV during Opportunistic Infections, pp. 1857-1861
Jan M. Orenstein; Cecil Fox; Sharon M. Wahl
Crystal Structure of Human BPI and Two Bound Phospholipids at 2.4 Angstrom Resolution, pp. 1861-1864
Lesa J. Beamer; Stephen F. Carroll; David Eisenberg
ARF1, a Transcription Factor That Binds to Auxin Response Elements, pp. 1865-1868
Tim Ulmasov; Gretchen Hagen; Tom J. Guilfoyle
Large Porous Particles for Pulmonary Drug Delivery, pp. 1868-1871
David A. Edwards; Justin Hanes; Giovanni Caponetti; Jeffrey Hrkach; Abdelaziz Ben-Jebria; Mary Lou Eskew; Jeffrey Mintzes; Daniel Deaver; Noah Lotan; Robert Langer
Specific Oxidative Cleavage of Carotenoids by VP14 of Maize, pp. 1872-1874
Steven H. Schwartz; Bao Cai Tan; Douglas A. Gage; Jan A. D. Zeevaart; Donald R. McCarty
Identification of a Chemokine Receptor Encoded by Human Cytomegalovirus as a Cofactor for HIV-1 Entry, pp. 1874-1878
Olivier Pleskoff; Carole Tréboute; Anne Brelot; Nikolaus Heveker; Michel Seman; Marc Alizon
Activation of the G Protein Gq/11 Through Tyrosine Phosphorylation of the α Subunit, pp. 1878-1881
Hisashi Umemori; Takafumi Inoue; Shoen Kume; Naohiro Sekiyama; Motoshi Nagao; Hiroshi Itoh; Shigetada Nakanishi; Katsuhiko Mikoshiba; Tadashi Yamamoto


Technical Comments
Estimating Chaos in an Insect Population, pp. 1881-1882
Joe N. Perry; Ian P. Woiwod; Robert H. Smith; David Morse; R. A. Desharnais; R. F. Costantino; J. M. Cushing; Brian Dennis


Tech.Sight
A Magnetic Attraction to High-Throughput Genomics, pp. 1887+1889+1891
Trevor L. Hawkins; Kevin J. McKernan; Laurent B. Jacotot; Jason B. MacKenzie; Paul M. Richardson; Eric S. Lander
Xenotransplanters Turn Xenovirologists, p. 1893
Robert Sikorski; Richard Peters
How to Use Usenet, pp. 1893+1895
Richard Peters; Robert Sikorski


Back Matter (41 pp.)

Previous Issue: New Series, Vol. 276, No. 5319, Jun. 13, 1997
Next Issue: New Series, Vol. 276, No. 5321, Jun. 27, 1997



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