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Science, New Series, Vol. 275, No. 5303, Feb. 21, 1997


Previous Issue: New Series, Vol. 275, No. 5302, Feb. 14, 1997
Next Issue: New Series, Vol. 275, No. 5304, Feb. 28, 1997


Front Matter (24 pp.)
Editorial: Knowledge and Distributed Intelligence, p. 1047
Richard N. Zare


Letters
"Man of the Year", p. 1049
Christine Gorman
Particle Physics Pessimism, pp. 1049-1050
Gordon Kane
Fusion Firsts?, p. 1050
B. Coppi
Risk Analysis, pp. 1050-1051
John H. Austin; Charles B. Connor; Brittain E. Hill
Risks in Collaboration?, p. 1051
Iain E. P. Taylor
Funding Sequencing Efforts, pp. 1051-1052
Enriqueta Bond; M. J. Finley Austin; André Goffeau
Doppler What?, p. 1052
Roy D. North
"Ecological Footprint", pp. 1052-1053
Jon Rosenberg
Global Mean Sea Level Change: Correction, p. 1053
R. S. Nerem


Corrections and Clarifications: Mechanism of Suppression of Cell-Mediated Immunity by Measles Virus, p. 1053
ScienceScope, p. 1055
Gretchen Vogel


News and Comment
The Breast-Screening Brawl, pp. 1056-1059
Gary Taubes
Ionosphere Research Lab Sparks Fears in Alaska, pp. 1060-1061
Lisa Busch
Scientists Convene in Seattle to Discuss Science and Policy, pp. 1061-1062
Andrew Lawler; Jocelyn Kaiser
U.S., Russia to Study Radiation Effects, pp. 1062-1063
Eliot Marshall
Transgenic Corn Ban Sparks a Furor, p. 1063
Michael Balter


Research News
Hipparcos Charts the Heavens, pp. 1064-1065
Andrew Watson
Src Structure Crystallizes 20 Years of Oncogene Research, p. 1066
Carol Featherstone
A New View of How Leg Muscles Operate on the Run, p. 1067
Elizabeth Pennisi
Did Birds Sail Through the K-T Extinction with Flying Colors?, p. 1068
Ann Gibbons
Trapped Buckyball Turns Up the Amp, p. 1069
Alexander Hellemans
Electron Mirror Gives a Clearer View, pp. 1069-1070
Erik Stokstad
How to Play Platonic Billiards, p. 1070
Barry Cipra


Random Samples, pp. 1071+1073
Constance Holden


Book Reviews
Coevolution of the Sexes, pp. 1075-1076
Female Control. Sexual Selection by Cryptic Female Choice.
William G. Eberhard
Review author[s]: R. Haven Wiley
The Dynamics of the Seas, p. 1076
Ocean Circulation Theory.
Joseph Pedlosky
The Ocean Circulation Inverse Problem.
Carl Wunsch
Review author[s]: Kirk Bryan


Perspectives
Rapid Sea-Level Rise Soon from West Antarctic Ice Sheet Collapse?, pp. 1077-1078
Charles R. Bentley
Superconductivity and Antiferromagnetism in High-Tc Cuprates, pp. 1078-1079
Naoto Nagaosa
Synchronous Spawning: When Timing is Everything, pp. 1080-1081
Mark Hay
Controlling Cell Death, pp. 1081-1082
Pierre Golstein


Research Article
A Unified Theory Based on SO(5) Symmetry of Superconductivity and Antiferromagnetism, pp. 1089-1096
Shou-Cheng Zhang


Reports
Nanofabrication of Small Copper Clusters on Gold(111) Electrodes by a Scanning Tunneling Microscope, pp. 1097-1099
D. M. Kolb; R. Ullmann; T. Will
Five-Coordinate Hydrogen: Neutron Diffraction Analysis of the Hydrido Cluster Complex [H2Rh 13 (CO) 24 ] 3-, pp. 1099-1102
Robert Bau; Mary H. Drabnis; Luigi Garlaschelli; Wim T. Klooster; Zuowei Xie; Thomas F. Koetzle; Secondo Martinengo
Probing Single Molecules and Single Nanoparticles by Surface-Enhanced Raman Scattering, pp. 1102-1106
Shuming Nie; Steven R. Emory
Direct Measurement of Single-Molecule Diffusion and Photodecomposition in Free Solution, pp. 1106-1109
Xiao-Hong Xu; Edward S. Yeung
Mass Survival of Birds Across the Cretaceous-Tertiary Boundary: Molecular Evidence, pp. 1109-1113
Alan Cooper; David Penny
Muscular Force in Running Turkeys: The Economy of Minimizing Work, pp. 1113-1115
Thomas J. Roberts; Richard L. Marsh; Peter G. Weyand; C. Richard Taylor
Mass Spawning by Green Algae on Coral Reefs, pp. 1116-1118
Kenneth E. Clifton
Calmodulin Regulation of Calcium Stores in Phototransduction of Drosophila, pp. 1119-1121
Assaf Arnon; Boaz Cook; Craig Montell; Zvi Selinger; Baruch Minke
Interaction of CED-4 with CED-3 and CED-9: A Molecular Framework for Cell Death, pp. 1122-1126
Arul M. Chinnaiyan; Karen O'Rourke; Brian R. Lane; Vishva M. Dixit
Interaction and Regulation of Subcellular Localization of CED-4 by CED-9, pp. 1126-1129
Dayang Wu; Herschel D. Wallen; Gabriel Nuñez
Prevention of Apoptosis by Bcl-2: Release of Cytochrome c from Mitochondria Blocked, pp. 1129-1132
Jie Yang; Xuesong Liu; Kapil Bhalla; Caryn Naekyung Kim; Ana Maria Ibrado; Jiyang Cai; Tsung-I Peng; Dean P. Jones; Xiaodong Wang
The Release of Cytochrome c from Mitochondria: A Primary Site for Bcl-2 Regulation of Apoptosis, pp. 1132-1136
Ruth M. Kluck; Ella Bossy-Wetzel; Douglas R. Green; Donald D. Newmeyer
Role for the Amino-Terminal Region of Human TBP in U6 snRNA Transcription, pp. 1136-1140
Vivek Mittal; Nouria Hernandez
Structural Convergence in the Active Sites of a Family of Catalytic Antibodies, pp. 1140-1142
Jean-Baptiste Charbonnier; Béatrice Golinelli-Pimpaneau; Benoît Gigant; Dan S. Tawfik; Rachel Chap; Daniel G. Schindler; Se-Ho Kim; Bernard S. Green; Zelig Eshhar; Marcel Knossow


Back Matter (86 pp.)

Previous Issue: New Series, Vol. 275, No. 5302, Feb. 14, 1997
Next Issue: New Series, Vol. 275, No. 5304, Feb. 28, 1997



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