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Science, New Series, Vol. 265, No. 5176, Aug. 26, 1994


Previous Issue: New Series, Vol. 265, No. 5175, Aug. 19, 1994
Next Issue: New Series, Vol. 265, No. 5177, Sep. 2, 1994


Front Matter (18 pp.)
Editorial: Chlorine and Organochlorine Compounds, p. 1155
Philip H. Abelson


Letters
Rhino Conservation, pp. 1157-1158
Blythe Loutit; Sharon Montgomery
Clinical Trials: Subgroup Analyses, p. 1158
Kenneth E. Stanley; Margaret A. Fischl; Ann C. Collier; Rachel Nowak
A Coincidental Move, p. 1158
Frank H. Shu
Violence and Biology, p. 1159
Adrian Raine; Patricia Brennan; Sarnoff Mednick
"Neurogenetic Determinism", p. 1159
Steven Rose


Corrections and Clarifications: How Nature Builds the Pigments of Life: The Conquest of Vitamin B 12, p. 1159
Corrections and Clarifications: The Return of Phineas Gage: Clues About the Brain from the Skull of a Famous Patient, p. 1159
ScienceScope, p. 1163
Richard Stone


News and Comment
Population: The View From Cairo, pp. 1164-1167
Wade Roush
Science and Math Scores Rebound, p. 1167
Constance Holden
Academics Give New Government a Jolt, p. 1168
Alexander Hellemans
Checkmate for Chess Historians, pp. 1168-1169
Claire O'Brien
Accounting Tricks Boost NSF Budget, p. 1169
Jeffrey Mervis
Pollination Worries Rise as Honey Bees Decline, p. 1170
Myrna E. Watanabe


Random Samples, p. 1171
Jocelyn Kaiser


Research News
Decoding Chimp Genes and Lives, pp. 1172-1173
Virginia Morell
Do Chaos-Control Techniques Offer Hope for Epilepsy?, p. 1174
James Glanz
Yeast Enzyme Finds Fame in Link to DNA Replication, pp. 1175-1176
Marcia Barinaga
New Enzyme Structure Reveals Cell's Rotary Engine, pp. 1176-1177
Claire O'Brien
Ecologists Gather for Mix of Policy, Science in Nashvilles, pp. 1178-1179
Elizabeth Culotta


Policy Forums
Predicting Earthquake Effects-Learning from Northridge and Loma Prieta, pp. 1182-1183
Thomas L. Holzer
Fluorescent Barriers to Infiltration, pp. 1184-1185
Bill Wattenburg


Perspective
Gamma Ray Bursts: Near or Far?, pp. 1186-1187
John M. Horack


Real-Time Parallel Computation and Visualization of Ultrasonic Pulses in Solids, pp. 1188-1192
R. S. Schechter; H. H. Chaskelis; R. B. Mignogna; P. P. Delsanto

Kin Selection, Social Structure, Gene Flow, and the Evolution of Chimpanzees, pp. 1193-1201
Phillip A. Morin; James J. Moore; Ranajit Chakraborty; Li Jin; Jane Goodall; David S. Woodruff


Reports
The Phase Boundary Between a- and a-Mg2SiO4 Determined by in Situ X-ray Observation, pp. 1202-1203
H. Morishima; T. Kato; M. Suto; E. Ohtani; S. Urakawa; W. Utsumi; O. Shimomura; T. Kikegawa
Newtonian Dislocation Creep in Quartzites: Implications for the Rheology of the Lower Crust, pp. 1204-1206
J. N. Wang; B. E. Hobbs; A. Ord; T. Shimamoto; M. Toriumi
The Nature of the Glass Transition in a Silica-Rich Oxide Melt, pp. 1206-1209
Ian Farnan; Jonathan F. Stebbins
Molecular Origins of Friction: The Force on Adsorbed Layers, pp. 1209-1212
Marek Cieplak; Elizabeth D. Smith; Mark O. Robbins
Aligned Carbon Nanotube Arrays Formed by Cutting a Polymer Resin-Nanotube Composite, pp. 1212-1214
P. M. Ajayan; O. Stephan; C. Colliex; D. Trauth
A 160-Femtosecond Optical Image Processor Based on a Conjugated Polymer, pp. 1215-1216
Craig Halvorson; Andrew Hays; Brett Kraabel; Rulian Wu; Fred Wudl; Alan J. Heeger
Mechanism of the Selective Catalytic Reduction of Nitric Oxide by Ammonia Elucidated by in Situ On-Line Fourier Transform Infrared Spectroscopy, pp. 1217-1219
Nan-Yu Topsøe
The Spatial Structure in Liquid Water, pp. 1219-1221
Peter G. Kusalik; Igor M. Svishchev
Dependence of Enhancer-Mediated Transcription of the Immunoglobulin μ Gene on Nuclear Matrix Attachment Regions, pp. 1221-1225
William C. Forrester; Courtney van Genderen; Thomas Jenuwein; Rudolf Grosschedl
Treatment of Murine Lupus with CTLA4lg, pp. 1225-1227
Barbara K. Finck; Peter S. Linsley; David Wofsy
Direct Inhibition of the Yeast Cyclin-Dependent Kinase Cdc28-Cln by Far1, pp. 1228-1231
Matthias Peter; Ira Herskowitz
cDNA Cloning and Interferon γ Down-Regulation of Proteasomal Subunits X and Y, pp. 1231-1234
Kin-Ya Akiyama; Kim-ya Yokota; Susumu Kagawa; Naoki Shimbara; Tomohiro Tamura; Hiroshi Akioka; Hans G. Nothwang; Chiseko Noda; Keiji Tanaka; Akira Ichihara
MHC Class I Expression in Mice Lacking the Proteasome Subunit LMP-7, pp. 1234-1237
H. J. Fehling; W. Swat; C. Laplace; R. Kühn; K. Rajewsky; U. Müller; H. von Boehmer
Regulatory T Cell Clones Induced by Oral Tolerance: Suppression of Autoimmune Encephalomyelitis, pp. 1237-1240
Youhai Chen; Vijay K. Kuchroo; Jun-ichi Inobe; David A. Hafler; Howard L. Weiner
Catalysis of ATP-Dependent Homologous DNA Pairing and Strand Exchange by Yeast RAD51 Protein, pp. 1241-1243
Patrick Sung
Interaction of Dbf4, the Cdc7 Protein Kinase Regulatory Subunit, with Yeast Replication Origins in Vivo, pp. 1243-1246
Simon J. Dowell; Piotr Romanowski; John F. X. Diffley
Convergent Pathways for Steroid Hormone-and Neurotransmitter-Induced Rat Sexual Behavior, pp. 1246-1249
S. K. Mani; J. M. C. Allen; J. H. Clark; J. D. Blaustein; B. W. O'Malley


Technical Comments
Accounting for Endothermy in Fishes, pp. 1249-1251
G. David Johnson; Carole C. Baldwin; John R. Finnerty; Barbara A. Block
Earthquake Aftershocks: Update, pp. 1251-1252
P. A. Reasenberg; L. M. Jones


Book Reviews
Applications of a Beneficence, pp. 1253-1254
The Earth, the Heavens, and the Carnegie Institution of Washington.
Gregory A. Good
Review author[s]: Eric L. Mills
Lines of Defense, pp. 1254-1255
Primordial Immunity. Foundations for the Vertebrate Immune System.
Gregory Beck; Edwin L. Cooper; Gail S. Habicht; John J. Marchalonis
Review author[s]: Martin Flajnik
The Second Sociality, pp. 1255-1257
Queen Number and Sociality in Insects.
Laurent Keller
Review author[s]: Ross H. Crozier
Books Received, p. 1257


Inside AAAS, pp. 1260-1261
Diana Pabst

Back Matter (71 pp.)

Previous Issue: New Series, Vol. 265, No. 5175, Aug. 19, 1994
Next Issue: New Series, Vol. 265, No. 5177, Sep. 2, 1994



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