ISSN 0036-8075

6 July 1984

Volume 225, No. 4657

LETTERts Reg ulation of Biotechnology: A. Gore, Jr.; I. S. Johnson ............

EDlITORIAL Is Taki-ng Sides a Good Idea for Universities?: H. T. Shapiro ..........

ARTICLES Computers in Science and Technology: Early Indications: H. Gerola and

R. E. Gomory .............................

Protection of Plant Varieties and Parts as Intellectual Property:S. B. Williams, Jr. .

A Deep 6-Centimeter Radio Source Survey: E. B. Fomalont et al........

NEWS AND COMMENT

RESEARCH NEWS

China-U.S. Nuclear Deal Still a Puzzle.......................................Nuclear Winter Attracts Additional Scrutiny ..................................

Soviets Offer Little Help....................................................Static at EPA Over Broadcast Transmitters...................................Hot Spots on Honolulu High-rises ...........................................Senate Considers Lead Gasoline Ban.........................................Two Fertilized Eggs Stir Global Furor........................................Briefing: Creationism Survives in Louisiana Legislature; Senate Authorizes Peace

Academy; NIH Turns Down Illmensee Proposal; NIH Bill Moving inCongress ..............................................................

Computer Models Gaining on El Nifio........................................Astronomy Briefings: Interferometry in Space; IRAS; The Canterbury Swarm ....

Caenorhabditis elegans: Getting to Know You ................................

New Tool for Amino Acid Analysis.........................................

AAAS NEWS Association Awards Presented at Annual Meeting in New York City;

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Robert V. Ormes, 1921-1984; Botanical Essays Available; Theme ofArctic Science Conference Is "Science and Public Policy"............. . . . .. 43

BOOK REVIEWS Formation and Evolution of Galaxies and Large Structures in the Universe,reviewed by B. Carr; Early Proterozoic Geology of the Great Lakes Regionand Proterozoic Geology, P. F. Hoffman; A Slot Machine, a Broken TestTube, R. S. Edgar; Origins of Magnetospheric Physics, L. J. Lanzerotti 45

REPORTS Botanical and Geological Significance of Potassium-Argon Dates from the JuanFernandez Islands: T. F. Stuessy et al. ....... ........................... 49

Mechanisms of Nitrogen Retention in Forest Ecosystems: A Field Experiment:P. M. Vitousek and P. A. Matson .51

Induced Resistance of Cotton Seedlings to Mites: R. Karban and J. R. Carey .... 53

Simian Sarcoma Virus-Transformed Cells Secrete a Mitogen Identical to Platelet-Derived Growth Factor: A. J. Owen, P. Pantazis, H. N. Antoniades.54

High-Resolution Chromosome Sorting and DNA Spot-Blot Analysis AssignMcArdle's Syndrome to Chromosome 11: R. V. Lebo et al .57

Selective Tropism of Lymphadenopathy Associated Virus (LAV) for Helper-Inducer T Lymphocytes: D. Klatzmann et al. ...... ...................... 59

Adaptation of Lymphadenopathy Associated Virus (LAV) to Replication in EBV-Transformed B Lymphoblastoid Cell Lines: L. Montagnier et al. 63

Immunoregulatory Lymphokines of T Hybridomas from AIDS Patients:Constitutive and Inducible Suppressor Factors: J. Laurence and L. Mayer ... 66

Lymphadenopathy Associated Virus Infection of a Blood Donor-Recipient Pairwith Acquired Immunodeficiency Syndrome: P. M. Feorino et al. 69

Altered Transcription of the c-abl Oncogene in K-562 and Other ChronicMyelogenous Leukemia Cells: S. J. Collins et al. 72

The Latency of Pathways Containing the Site of Motor Learning in the MonkeyVestibulo-Ocular Reflex: S. G. Lisberger ....... .......................... 74

Phencyclidine-Induced Immunodepression: N. Khansari, H. D. Whitten,H. H. Fudenberg ...................................................... 76

Intragastric Self-Infusion of Ethanol by Ethanol-Preferring and -NonpreferringLines of Rats: M. B. Waller et al .78

Postnatal Modification of Hippocampal Circuitry Alters Avoidance Learning inAdult Rats: H.-P. Lipp, H. Schwegler, P. Driscoll .80

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COVER

Open cotton boll at the Westside FieldStation in California's San Joaquin Val-ley. Resistance Against mites was in-duced in cotton seedlings by exposureto mites during early development. Seepage 53. [Jack Kelly Clark, Coopera-tive Extension, University of Califor-nia, Davis 95616]

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225 (4657)

(4657), 6-82.225Science 

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No claim to original U.S. Government Works.Copyright © 1984 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science.

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