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Science, New Series, Vol. 255, No. 5051, Mar. 20, 1992


Previous Issue: New Series, Vol. 255, No. 5050, Mar. 13, 1992
Next Issue: New Series, Vol. 255, No. 5052, Mar. 27, 1992


Front Matter (16 pp.)
Major Changes in the Chemical Industry, p. 1489
Philip H. Abelson


Letters
Geothermal Energy's Future, p. 1490
John E. Mock
Bellcore Basic Research, p. 1490
George H. Heilmeier
Fullerene Superconductivity and the Dynamic Jahn-Teller Effect, pp. 1490-1491
Keith H. Johnson; Dennis P. Clougherty; Michael E. McHenry; C. M. Varma; J. Zaanen
Physical Activity and Cancer, p. 1491
Rose E. Frisch; Grace Wyshak; Tenley E. Albright; Neil L. Albright


ScienceScope, p. 1499
David P. Hamilton


News and Comment
Industrial R&D Wins Political Favor, pp. 1500-1502
Eliot Marshall
FBI Investigates Leaks at OSI, p. 1503
David P. Hamilton
A Plea for Aid to Ex-Soviet Science, pp. 1503-1504
David P. Hamilton
Science and Science Advice in Favor at EPA, p. 1504
Eliot Marshall
Debate on AIDS Origin: Rolling Stone Weighs In, p. 1505
Jon Cohen


Briefings
McKnight and Tjian Go Fishing, p. 1506
Constance Holden
Koprowski Sues Wistar Institute, p. 1506
Constance Holden
Jaws of Early Life, p. 1506
Constance Holden
NASA Mystery Man, pp. 1506-1507
Constance Holden
Strange Bugfellows, p. 1507
Constance Holden
Needleman Redux, p. 1507
Constance Holden
Small Science Squeeze, p. 1507
Constance Holden


Research News
Unmasking a Shifty Climate System, pp. 1508-1510
Richard A. Kerr
Yeast Biology Enters A Surprising New Phase, pp. 1510-1511
Michelle Hoffman
Making Light of Sound, p. 1511
Ivan Amato
Designing Crystals That Say No to Photons, p. 1512
Ivan Amato
Optics' New Focus: Beams of Atoms, pp. 1513-1515
Robert Pool


Cerebral Cortical Mechanisms of Reaching Movements, pp. 1517-1523
John F. Kalaska; Donald J. Crammond

Physics of the Granular State, pp. 1523-1531
H. M. Jaeger; Sidney R. Nagel

Explosives Detection for Aviation Security, pp. 1531-1537
Anthony Fainberg


Research Articles
A Transient Radio Source Near the Center of the Milky Way Galaxy, pp. 1538-1543
Jun-Hui Zhao; D. A. Roberts; W. M. Goss; D. A. Frail; K. Y. Lo; R. Subrahmanyan; M. J. Kesteven; R. D. Ekers; D. A. Allen; M. G. Burton; J. Spyromilio
Atomic Structure of the Cubic Core of the Pyruvate Dehydrogenase Multienzyme Complex, pp. 1544-1550
Andrea Mattevi; Galya Obmolova; Egbert Schulze; Kor H. Kalk; Adrie H. Westphal; Arie De Kok; Wim G. J. Hol


Reports
Evidence for Ammonium-Bearing Minerals on Ceres, pp. 1551-1553
Trude V. V. King; R. N. Clark; W. M. Calvin; D. M. Sherman; R. H. Brown
The Effect of Surface Roughness on Triton's Volatile Distribution, pp. 1553-1555
Roger V. Yelle
Rapid Continental Subsidence Following the Initiation and Evolution of Subduction, pp. 1556-1558
Michael Gurnis
Structural Memory in Pressure-Amorphized AlPO4, pp. 1559-1561
John S. Tse; Dennis D. Klug
Bulk Chemical Characteristics of Dissolved Organic Matter in the Ocean, pp. 1561-1564
Ronald Benner; J. Dean Pakulski; Matthew McCarthy; John I. Hedges; Patrick G. Hatcher
Percolation Theory, Thermoelasticity, and Discrete Hydrothermal Venting in the Earth's Crust, pp. 1564-1567
L. N. Germanovich; Robert P. Lowell
Voltage-Dependent Calcium Channels in Plant Vacuoles, pp. 1567-1570
Omar Pantoja; Angie Gelli; Eduardo Blumwald
Structure, Expression, and Antisense Inhibition of the Systemin Precursor Gene, pp. 1570-1573
Barry McGurl; Gregory Pearce; Martha Orozco-Cardenas; Clarence A. Ryan
Transcription Factor Loading on the MMTV Promoter: A Bimodal Mechanism for Promoter Activation, pp. 1573-1576
Trevor K. Archer; Philippe Lefebvre; Ronald G. Wolford; Gordon L. Hager
LCMV-Specific, Class II-Restricted Cytotoxic T Cells in β2-Microglobulin-Deficient Mice, pp. 1576-1578
Daniel Muller; Beverly H. Koller; J. Lindsay Whitton; Katherine E. LaPan; Kristen K. Brigman; Jeffrey A. Frelinger
Immunoglobulin A-Induced Shift of Epstein-Barr Virus Tissue Tropism, pp. 1578-1580
John W. Sixbey; Qing-Yun Yao
Regulation of jun-B Messenger RNA and AP-1 Activity by Light and a Circadian Clock, pp. 1581-1584
Jon M. Kornhauser; Dwight E. Nelson; Kelly E. Mayo; Joseph S. Takahashi


Technical Comments
Ultrasonic Hearing, pp. 1584-1585
Robert A. Dobie; Michael L. Wiederhold; Martin L. Lenhardt


Book Reviews
Oppositions, pp. 1586-1587
Siting Hazardous Waste Treatment Facilities. The NIMBY Syndrome.
Kent E. Portney
Environmental Disputes. Community Involvement in Conflict Resolution.
James E. Crowfoot; Julia M. Wondolleck
No Safe Place. Toxic Waste, Leukemia, and Community Action.
Phil Brown; Edwin J. Mikkelsen
Review author[s]: Allan Schnaiberg
Cosmic Emanations, pp. 1587-1588
Beams and Jets in Astrophysics.
P. A. Hughes
Review author[s]: Mitchell C. Begelman
Catness, pp. 1588-1589
The Natural History of the Wild Cats.
Andrew Kitchener
Review author[s]: John Seidensticker
Books Received, p. 1589


Back Matter (23 pp.)

Previous Issue: New Series, Vol. 255, No. 5050, Mar. 13, 1992
Next Issue: New Series, Vol. 255, No. 5052, Mar. 27, 1992



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