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Science, New Series, Vol. 235, No. 4784, Jan. 2, 1987


Previous Issue: New Series, Vol. 234, No. 4783, Dec. 19, 1986
Next Issue: New Series, Vol. 235, No. 4785, Jan. 9, 1987


Front Matter (13 pp.)
Materials Research, p. 9
Philip H. Abelson


Perspective
Applied Research: Key to Innovation, pp. 12-13
A. M. Clogston


Letters
Recombinant DNA: International Guidelines, p. 14
Henry I. Miller; Frank E. Young
Growth Hormone Use, pp. 14-15
Barry M. Sherman; William Regelson
SDI Research Funds, p. 15
G. D. Mostow
Net Primary Production: The Tomato Example, p. 15
Bruce L. Godfriaux
Forest Restoration in Costa Rica, pp. 15-16
Daniel H. Janzen
Rejection and Revolution, p. 16
R. Rosin
Rejection and Revolution: Response, p. 16
Daniel E. Koshland, Jr.


Erratum: Maleness Pinpointed on Y Chromosome, p. 16
Erratum: Debate About Epilepsy: What Initiates Seizures?, p. 16


News & Comment
End Game for the N Reactor?, pp. 17-18
Eliot Marshall
Textbook Controversy Intensifies Nationwide, pp. 19-21
Constance Holden
Creationism Case Argued Before Supreme Court, pp. 22-23
Roger Lewin
Use of Berkeley Reactor Questioned on Military-Related Research, p. 23
John Walsh
Student Protests Block University Changes, pp. 24-25
David Dickson


Briefing
Feerst in Close Call, p. 26
J.W.
Stanford Branches Out, p. 26
J.W.
Human Values in Medical Schools, p. 26
C.H.
Peace Institute Grants, p. 26
C.H.
A $300-Million LINK, p. 26
D.D.


Research News
Free Electron Laser Success Explained, pp. 27-29
Arthur L. Robinson
Planetary Scientists are Seeing the Unseeable, pp. 29-31
Richard A. Kerr
Rice Plants Regenerated from Protoplasts, pp. 31-32
Jean L. Marx


The Volatility of Stock Market Prices, pp. 33-37
Robert J. Shiller

Laser Remote Sensing of the Atmosphere, pp. 37-45
Dennis K. Killinger; Norman Menyuk

Multiple Calcium Channels and Neuronal Function, pp. 46-52
Richard J. Miller

Diversity of Alpha-Fetoprotein Gene Expression in Mice is Generated by a Combination of Separate Enhancer Elements, pp. 53-58
Robert E. Hammer; Robb Krumlauf; Sally A. Camper; Ralph L. Brinster; Shirley M. Tilghman


Reports
A Revisit to the Guest Star of A.D. 185, pp. 59-60
Y.-L. Huang; G. H. Moriarty-Schieven
Trace Fossil Evidence for Late Ordovician Animals on Land, pp. 61-63
Gregory J. Retallack; Carolyn R. Feakes
Environmental Trends in Extinction During the Paleozoic, pp. 64-66
J. John Sepkoski, Jr.
Delayed Transneuronal Death of Substantia Nigra Neurons Prevented by γ-Aminobutyric Acid Agonist, pp. 66-69
Makoto Saji; Donald J. Reis
Restoration of LDL Receptor Activity in Mutant Cells by Intercellular Junctional Communication, pp. 69-73
Lawrence Hobbie; David M. Kingsley; Karen F. Kozarsky; Robert W. Jackman; Monty Krieger
Decreased Hippocampal Inhibition and a Selective Loss of Interneurons in Experimental Epilepsy, pp. 73-76
Robert S. Sloviter
Mapping the Main Immunogenic Region and Toxin-Binding Site of the Nicotinic Acetylcholine Receptor, pp. 77-80
T. Barkas; A. Mauron; B. Roth; C. Alliod; S. J. Tzartos; M. Ballivet
Increased Numbers of Ion Channels Promoted by an Intracellular Second Messenger, pp. 80-82
Richard Gunning
Cloned Gene of Rickettsia rickettsii Surface Antigen: Candidate Vaccine for Rocky Mountain Spotted Fever, pp. 83-85
Gregory A. McDonald; Robert L. Anacker; Kareen Garjian
Unique Forms of the abl Tyrosine Kinase Distinguish Ph 1 -Positive CML from Ph 1 -Positive ALL, pp. 85-88
Steven S. Clark; Jami McLaughlin; William M. Crist; Richard Champlin; Owen N. Witte


Technical Comments
Bacteria: Link or Sink?, p. 88
Evelyn B. Sherr; Barry F. Sherr; Lawrence J. Albright
Bacteria: Link or Sink?: Response, pp. 88-89
Hugh W. Ducklow; D. A. Purdie; P. J. LeB Williams; J. M. Davies


AAAS News
1986 Election Results, pp. 90-91
Transcripts of Discussion Focusing on the Use of Animals in Research Offered, p. 91
Nomination of AAAS Fellows Invited, p. 91
SWARM to Meet in Austin, p. 91
1987 Calendar of Scientific Meetings Available, p. 91


Book Reviews
Professional Problems, pp. 93-94
Scientists and Journalists
Sharon M. Friedman; Sharon Dunwoody; Carol L. Rogers
Review author[s]: David L. Hull
Important Fossils, p. 94
The Burgess Shale
Harry B. Whittington
Review author[s]: Michael E. Taylor
Californians at Risk, pp. 94-96
Waiting for Disaster
Ralph H. Turner; Joanne M. Nigg; Denise Heller Paz
Review author[s]: Charles Perrow
Progenitor Cells, p. 96
Megakaryocyte Development and Function
Richard F. Levine; Neil Williams; Jack Levin; Bruce L. Evatt
Review author[s]: David G. Nathan
Some Other Books of Interest, pp. 96-97
Embryogenesis in Angiosperms
V. Raghavan
NMR of Proteins and Nucleic Acids
Kurt Wüthrich
Drosophila
D. B. Roberts
Review author[s]: K.L.


Back Matter (36 pp.)

Previous Issue: New Series, Vol. 234, No. 4783, Dec. 19, 1986
Next Issue: New Series, Vol. 235, No. 4785, Jan. 9, 1987



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