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Science, New Series, Vol. 264, No. 5156, Apr. 8, 1994


Previous Issue: New Series, Vol. 264, No. 5155, Apr. 1, 1994
Next Issue: New Series, Vol. 264, No. 5157, Apr. 15, 1994


Front Matter (33 pp.)
Editorial: Chemicals: Perceptions Versus Facts, p. 183
Philip H. Abelson


Letters
Misrepresentation and Fantasy, p. 185
Robert N. Cahn; J. David Jackson; Chris Quigg
A National Institute for the Environment, p. 185
Peter D. Saundry
Adaptive Optics in Astronomy, pp. 185-186
Frederick Seitz
Space Science Crunch, pp. 186-187
Jonathan Katz; Harvey Tananbaum
National Protein and Nucleic Acid Databases, p. 187
Elinor Adman; Martin Gellert; Maimon Cohen; Norma M. Allewell; Bruce S. Baker; Joseph Villafranca
Smallpox Virus: Better to Store?, p. 187
Patrick Hess
Elephant Man's Disease, p. 188
Margaret R. Wallace; Rachel Nowak
Phonetics Lesson, p. 188
Ian Hinchliffe


Corrections and Clarifications: Picturing Nature: American Nineteenth-Century Zoological Illustration, p. 188
ScienceScope, p. 191
Richard Stone


News
The Hand on Your Purse Strings, pp. 192-194
Livermore Lab Chief Nuckolls Resigns Under Pressure, p. 195
Ellis Rubinstein
Report: All's Fair in NSF Major Awards, p. 196
John Travis
Key Study Unveiled-11 Years Late, pp. 196-197
Rachel Nowak
SIDS Paper Triggers a Murder Charge, pp. 197-198
Ginger Pinholster
Livermore Physicists Ask for the Sun, p. 198
Faye Flam
Deep-Trench Research Waits on Balky Japanese Submersible, p. 199
Dennis Normile
In Pittsburgh, Physicists Get Down to the Nitty-Gritty, pp. 200-201
Robert Service
Ecologists Dare to Ask: How Much Does Diversity Matter?, pp. 202-203
Yvonne Baskin
Trail of Toxins Leads Through Conference Rooms in Dallas, p. 204
Richard Stone


Random Samples, p. 205
Constance Holden


Special News Report
Leroy Hood: Thinking Big in Seattle, pp. 206-209
Leslie Roberts


Policy Forum
Science in the National Interest, pp. 221-222
Barbara A. Mikulski


Perspectives
Self-Organization in Living Cells, pp. 223-224
Benno Hess; Alexander Mikhailov
The Evolution of Genetic Intelligence, pp. 224-225
David S. Thaler


Modulated Magnetic Phases in Rare Earth Metallic Systems, pp. 226-231
Tapan Chattopadhyay


Research Article
Neural Mechanisms for Forming a Perceptual Decision, pp. 231-237
C. Daniel Salzman; William T. Newsome


Reports
Stellar Luminosity Variations and Global Warming, pp. 238-239
Peter Foukal
Trends in Stomatal Density and 13 C/ 12 C Ratios of Pinus flexilis Needles During Last Glacial-Interglacial Cycle, pp. 239-243
P. K. Van de Water; S. W. Leavitt; J. L. Betancourt
Quantifying Global Warming from the Retreat of Glaciers, pp. 243-245
Johannes Oerlemans
Morphological Bifurcations Involving Reaction-Diffusion Processes During Microtubule Formation, pp. 245-248
James Tabony
Molecular Nanotube Aggregates of β- and γ-Cyclodextrins Linked by Diphenylhexatrienes, pp. 249-251
Guang Li; Linda B. McGown
Binding and Suppression of the Myc Transcriptional Activation Domain by p107, pp. 251-254
Wei Gu; Kishor Bhatia; Ian T. Magrath; Chi V. Dang; Riccardo Dalla-Favera
Related Target Enhancers for Dorsal and NF-κB Signaling Pathways, pp. 255-258
Sergio González-Crespo; Michael Levine
Recombination in Adaptive Mutation, pp. 258-260
Reuben S. Harris; Simonne Longerich; Susan M. Rosenberg
Isolation of S. cerevisiae snRNPs: Comparison of U1 and U4/U6.U5 to Their Human Counterparts, pp. 261-265
Patrizia Fabrizio; Sybille Esser; Berthold Kastner; Reinhard Lührmann
Mutational Isolation of a Sieve for Editing in a Transfer RNA Synthetase, pp. 265-267
Eric Schmidt; Paul Schimmel
Stimulation of Human γδ T Cells by Nonpeptidic Mycobacterial Ligands, pp. 267-270
Patricia Constant; François Davodeau; Marie-Alix Peyrat; Yannick Poquet; Germain Puzo; Marc Bonneville; Jean-Jacques Fournié
Telomere-Led Premeiotic Chromosome Movement in Fission Yeast, pp. 270-273
Yuji Chikashige; Da-Qiao Ding; Hironori Funabiki; Tokuko Haraguchi; Shinro Mashiko; Mitsuhiro Yanagida; Yasushi Hiraoka
Requirement for the Yeast Gene LON in Intramitochondrial Proteolysis and Maintenance of Respiration, pp. 273-276
Carolyn K. Suzuki; Kitaru Suda; Nan Wang; Gottfried Schatz
Soluble b-Amyloid Induction of Alzheimer's Phenotype for Human Fibroblast K+ Channels, pp. 276-279
René Etcheberrigaray; Etsuro Ito; Christopher S. Kim; Daniel L. Alkon


Technical Comments
High-Pressure Melting of (Mg,Fe)SiO3-Perovskite, pp. 279-281
Dion L. Heinz; Elise Knittle; Jeffrey S. Sweeney; Quentin Williams; Raymond Jeanloz; R. Boehler; A. Zerr
Statistical Analyses of Soil Quality, pp. 281-283
David A. Wardle; J. P. Reganold


Book Reviews
Big Systems, pp. 293-294
Choosing Big Technologies.
John Krige
Review author[s]: Robert W. Smith
Thoughtplay, pp. 294-295
Games of Life. Explorations in Ecology, Evolution, and Behaviour.
Karl Sigmund
Review author[s]: Peter Yodzis
Molluscan Dwellings, pp. 295-296
A Natural History of Shells.
Geerat J. Vermeij
Review author[s]: W. Bruce Saunders
Probing Biological Surfaces, p. 296
STM and SFM in Biology.
Othmar Marti; Matthias Amrein
Review author[s]: Carlos Bustamante
Books Received, pp. 296-297


Back Matter (19 pp.)

Previous Issue: New Series, Vol. 264, No. 5155, Apr. 1, 1994
Next Issue: New Series, Vol. 264, No. 5157, Apr. 15, 1994



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