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Science, New Series, Vol. 273, No. 5275, Aug. 2, 1996


Previous Issue: New Series, Vol. 273, No. 5274, Jul. 26, 1996
Next Issue: New Series, Vol. 273, No. 5276, Aug. 9, 1996


Front Matter (19 pp.)
Editorial: The Road to Stiff Competition, p. 559
Floyd E. Bloom


Letters
Tail Wags Dog?, p. 561
Wayne L. Westfall
Political Scientists?, pp. 561-562
Rod Parrish; Dorothea C. Wilson
NIH Rating System, p. 562
Alan R. Gibson
Risks from Low Doses of Radiation: Continued, pp. 562-564
Marvin Goldman


Corrections and Clarifications: Homogeneous NMR Spectra in Inhomogeneous Fields, p. 564
Corrections and Clarifications: Requirement for the Adapter Protein GRB2 in EGF Receptor Endocytosis, p. 564
Corrections and Clarifications: Neural Substrates for the Effects of Rehabilitative Training on Motor Recovery After Ischemic Infarct, p. 564
ScienceScope, p. 567
Jocelyn Kaiser


News and Comment
Web-Crawling up the Tree of Life, pp. 568-570
Virginia Morell
The Right Mix of Form and Function, pp. 570-571
Patricia Kahn
Agency Heads see Give in R&D Plan, p. 572
Andrew Lawler
U.S. Joins "Science Shop" Movement, pp. 572-573
Wade Roush
Reports Bolster Viral Cause of KS, p. 573
Jon Cohen


Research News
Chemical Shackles for Genes?, pp. 574-575
Elizabeth Pennisi
Experiments Mimic Infant Universe in Superfluid Helium, pp. 576-577
Gary Taubes
Does Nature Drive Nurture?, pp. 577-578
Jon Cohen
Ancient Remedy Performs New Tricks, p. 578
Jeffrey Mervis
Putting the Brakes on Bone Growth, p. 579
Wade Roush
Searching for the Sand-Pile Pressure Dip, pp. 579-580
Andrew Watson
Yeast Prions: DNA-Free Genetics?, p. 580
Gretchen Vogel
CO in the Early Universe Clouds Cosmologists' Views, p. 581
James Glanz


Random Samples, p. 583
Jocelyn Kaiser


Computers in Biology


News
Fast Lanes on the Internet, pp. 585-588
Ellen Germain
Software Matchmakers Help make Sense of Sequences, pp. 588-590
Gary Taubes
Working the Web with a Virtual Lab and Some Java, pp. 591-593
Joshua Fischman
Do Java Users Live Dangerously?, p. 592
Charles Seife
High-Speed Network Will Link Russia's Far-Flung Universities, p. 594
Andrey Allakhverdov

Mapping the Protein Universe, pp. 595-602
Liisa Holm; Chris Sander
Four-Dimensional Imaging: Computer Visualization of 3D Movements in Living Specimens, pp. 603-607
C. Thomas; P. DeVries; J. Hardin; J. White


Book Reviews
The Era Before NASA, pp. 608-609
Solar System Astronomy in America. Communities, Patronage, and Interdisciplinary Science, 1920-1960.
Ronald E. Doel
Review author[s]: Karl Hufbauer
Bats and Their Brains, p. 609
Comparative Neurobiology in Chiroptera.
Georg Baron; Heinz Stephan; Heiko D. Frahm
Review author[s]: James A. Simmons
Books Received, p. 609


Perspectives
Which Came First, Protein Sequence or Structure?, p. 610
Mehran Kardar
Shaking Out the Cause of Addiction, pp. 611-612
Steven E. Hyman
Rural Research in Australia, p. 612
John C. Radcliffe; Adrienne E. Clarke


Research Articles
Regulation of Rate of Cartilage Differentiation by Indian Hedgehog and PTH-Related Protein, pp. 613-622
Andrea Vortkamp; Kaechoong Lee; Beate Lanske; Gino V. Segre; Henry M. Kronenberg; Clifford J. Tabin
Support for the Prion Hypothesis for Inheritance of a Phenotypic Trait in Yeast, pp. 622-626
Maria M. Patino; Jia-Jia Liu; John R. Glover; Susan Lindquist


Reports
Gating as a Control Element in Constrictive Binding and Guest Release by Hemicarcerands, pp. 627-629
K. N. Houk; Kensuke Nakamura; Chimin Sheu; Amy E. Keating
Photoinduced Chemical Dynamics of High-Spin Alkali Trimers, pp. 629-631
John Higgins; Carlo Callegari; James Reho; Frank Stienkemeier; Wolfgang E. Ernst; Kevin K. Lehmann; Maciej Gutowski; Giacinto Scoles
X-Ray Photoconductive Nanocomposites, pp. 632-634
Ying Wang; Norman Herron
A Fluted Point from the Uptar Site, Northeastern Siberia, pp. 634-636
Maureen L. King; Sergei B. Slobodin
The Interdependence of Deformational and Thermal Processes in Mountain Belts, pp. 637-639
Audrey D. Huerta; Leigh H. Royden; Kip V. Hodges
Lithologic Control of the Depth of Earthquakes in Southern California, pp. 639-642
Harold Magistrale; Hua-wei Zhou
Mechanism of Phreatic Eruptions at Aso Volcano Inferred from Near-Field Broadband Seismic Observations, pp. 642-645
Satoshi Kaneshima; Hitoshi Kawakatsu; Hirotoshi Matsubayashi; Yasuaki Sudo; Tomoki Tsutsui; Takao Ohminato; Hisao Ito; Koichi Uhira; Hitoshi Yamasato; Jun Oikawa; Minoru Takeo; Takashi lidaka
Impairment of Hippocampal Mossy Fiber LTD in Mice Lacking mGluR2, pp. 645-647
Mineto Yokoi; Katsunori Kobayashi; Toshiya Manabe; Tomoyuki Takahashi; Isako Sakaguchi; Goro Katsuura; Ryuichi Shigemoto; Hitoshi Ohishi; Sakashi Nomura; Kenji Nakamura; Kazuki Nakao; Motoya Katsuki; Shigetada Nakanishi
Presynaptic Long-Term Depression at the Hippocampal Mossy Fiber-CA3 Synapse, pp. 648-650
Katsunori Kobayashi; Toshiya Manabe; Tomoyuki Takahashi
Coevolution of the Mammalian Middle Ear and Neocortex, pp. 651-654
Timothy Rowe
Demethylation-Induced Developmental Pleiotropy in Arabidopsis, pp. 654-657
Michael J. Ronemus; Massimo Galbiati; Christine Ticknor; Jychian Chen; Stephen L. Dellaporta
Reduction of Morphine Abstinence in Mice with a Mutation in the Gene Encoding CREB, pp. 657-659
Rafael Maldonado; Julie A. Blendy; Eleni Tzavara; Peter Gass; Bernard P. Roques; Jacques Hanoune; Günter Schütz
Function of Myosin-V in Filopodial Extension of Neuronal Growth Cones, pp. 660-663
Feng-Song Wang; Joseph S. Wolenski; Richard E. Cheney; Mark S. Mooseker; Daniel G. Jay
PTH/PTHrP Receptor in Early Development and Indian Hedgehog-Regulated Bone Growth, pp. 663-666
Beate Lanske; Andrew C. Karaplis; Kaechong Lee; Arne Luz; Andrea Vortkamp; Alison Pirro; Marcel Karperien; Libert H. K. Defize; Chrystal Ho; Richard C. Mulligan; Abdul-Badi Abou-Samra; Harald Jüppner; Gino V. Segre; Henry M. Kronenberg
Emergence of Preferred Structures in a Simple Model of Protein Folding, pp. 666-669
Hao Li; Robert Helling; Chao Tang; Ned Wingreen


Next Wave: Postdoc Experience to be Discussed in On-Line Forum, p. 673
Victoria McGovern

Back Matter (38 pp.)

Previous Issue: New Series, Vol. 273, No. 5274, Jul. 26, 1996
Next Issue: New Series, Vol. 273, No. 5276, Aug. 9, 1996



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