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Science, New Series, Vol. 263, No. 5151, Mar. 4, 1994


Previous Issue: New Series, Vol. 263, No. 5150, Feb. 25, 1994
Next Issue: New Series, Vol. 263, No. 5152, Mar. 11, 1994


Front Matter (27 pp.)
Editorial: Science, Technology, and Congress, p. 1203
Philip H. Abelson


Letters
Volunteers and the NBS, p. 1205
Terry L. Root; Peter Alpert
Research on Chemical Demilitarization, pp. 1205-1206
Joseph F. Bunnett
Lung Cancer Risk for Female Smokers, pp. 1206-1208
Harvey A. Risch; Geoffrey R. Howe; Meera Jain; J. David Burch; Eric J. Holowaty; Anthony B. Miller
Indirect Costs of Pesticide Use, p. 1208
Petr Karlovsky


ScienceScope, p. 1211
Richard Stone


News and Comment
NIH Tunes Up Peer Review, pp. 1212-1213
Eliot Marshall
The Window of Opportunity Is Closing Fast at CERN, pp. 1214-1215
Robert P. Crease
U. K. Panel Floats a Plan, p. 1215
Sharon Kingman
KAON Out, Space Station Squeezed, p. 1216
Douglas Powell
Panel Backs Pregnant Women in Trials, p. 1216
Christopher Anderson
Chronobiologists Out of Sync Over Light Therapy Patents, pp. 1217-1218
Rachel Nowak
Program Gives Some States a Head Start in Bid for Grants, pp. 1218-1219
Richard Stone


Random Samples, p. 1220
Constance Holden


Research News
Molecular Imprints Make a Mark, pp. 1221-1222
Faye Flam
A Game of Molecular Tennis, Anyone?, pp. 1222-1223
David Bradley
Dialing Up Undersea Data-Long Distance, pp. 1223-1224
John Travis
AAAs Provides Its Own San Francisco Quake, pp. 1225-1227
Marcia Barinaga; Jon Cohen; Faye Flam; Christine Mlot


Policy Forum
Active Intervention and Conservation: Africa's Pachyderm Problem, pp. 1241-1242
Joel Berger; Carol Cunningham


Perspectives
Fires, Atmospheric Chemistry, and the Ozone Layer, pp. 1243-1244
Ralph J. Cicerone
Precise Development from Imprecise Rules, pp. 1244-1245
Michael P. Stryker


Paleomagnetic Tests of Pacific Plate Reconstructions and Implications for Motion Between Hotspots, pp. 1246-1254
Gary D. Acton; Richard G. Gordon


Reports
Emission of Methyl Bromide from Biomass Burning, pp. 1255-1257
Stein Manö; Meinrat O. Andreae
Retention of Solar Helium and Neon in IDPs in Deep Sea Sediment, pp. 1257-1259
Hajime Hiyagon
Superconducting Mercury-Based Cuprate Films with a Zero-Resistance Transition Temperature of 124 Kelvin, pp. 1259-1261
C. C. Tsuei; A. Gupta; G. Trafas; D. Mitzi
Atomic Force Microscopy of the Electrochemical Nucleation and Growth of Molecular Crystals, pp. 1261-1264
Andrew C. Hillier; Michael D. Ward
Crystal and Molecular Structures of Rhenium Heptafluoride, pp. 1265-1267
T. Vogt; A. N. Fitch; J. K. Cockcroft
Encapsulation of Methane and Other Small Molecules in a Self-Assembling Superstructure, pp. 1267-1268
N. Branda; R. Wyler; J. Rebek, Jr.
Selection of Guide Sequences That Direct Efficient Cleavage of mRNA by Human Ribonuclease P, pp. 1269-1273
Yan Yuan; Sidney Altman
Heat-Inducible Degron: A Method for Constructing Temperature-Sensitive Mutants, pp. 1273-1276
R. Jürgen Dohmen; Peipei Wu; Alexander Varshavsky
Open "Back Door" in a Molecular Dynamics Simulation of Acetylcholinesterase, pp. 1276-1278
M. K. Gilson; T. P. Straatsma; J. A. McCammon; D. R. Ripoll; C. H. Faerman; P. H. Axelsen; I. Silman; J. L. Sussman
Suppression of Ras-Induced Transformation of NIH 3T3 Cells by Activated Gαs, pp. 1278-1281
Jianghao Chen; Ravi Iyengar
Fusion of a Kinase Gene, ALK, to a Nucleolar Protein Gene, NPM, in Non-Hodgkin's Lymphoma, pp. 1281-1284
Stephan W. Morris; Mark N. Kirstein; Marcus B. Valentine; Kristopher G. Dittmer; David N. Shapiro; David L. Saltman; A. Thomas Look
Diversity of Endogenous Epitopes Bound to MHC Class II Molecules Limited by Invariant Chain, pp. 1284-1286
Helen Bodmer; Stéphane Viville; Christophe Benoist; Diane Mathis
Modulation of Cortical Motor Output Maps During Development of Implicit and Explicit Knowledge, pp. 1287-1289
Alvaro Pascual-Leone; Jordan Grafman; Mark Hallett
Neuronal Plasticity that Underlies Improvement in Perceptual Performance, pp. 1289-1292
Ehud Zohary; Simona Celebrini; Kenneth H. Britten; William T. Newsome
Global Form and Singularity: Modeling the Blind Spot's Role in Lateral Geniculate Morphogenesis, pp. 1292-1294
Daeyeol Lee; Joseph G. Malpeli


Technical Comments
Measuring Synaptic Interactions, pp. 1295-1297
E. E. Fetz; L. E. Shupe; A. P. Georgopoulos; M. Taira; A. V. Lukashin


Book Reviews
The Entrepreneurial Twist, p. 1299
The Billion-Dollar Molecule. One Company's Quest for the Perfect Drug.
Barry Werth
Review author[s]: Sandra Panem
Genomic Odyssey, pp. 1299-1300
Travelling Around the Human Genome. An In situ Investigation.
Bertrand Jordan
Voyage Autour du Génome. Le Tour du Monde en 80 Labos.
Bertrand Jordan
Review author[s]: Ian W. Craig
The Structure of Memory, pp. 1300-1302
Memory, Amnesia, and the Hippocampal System.
Neal J. Cohen; Howard Eichenbaum
Review author[s]: Daniel P. Kimble
Promising Polymers, pp. 1302-1303
Liquid Crystalline Polymers.
A. M. Donald; A. H. Windle
Review author[s]: Samuel I. Stupp
Correction and Updating: Home Life of a Hero, p. 1303
Books Received, p. 1303


Back Matter (41 pp.)

Previous Issue: New Series, Vol. 263, No. 5150, Feb. 25, 1994
Next Issue: New Series, Vol. 263, No. 5152, Mar. 11, 1994



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