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Science, New Series, Vol. 253, No. 5019, Aug. 2, 1991


Previous Issue: New Series, Vol. 253, No. 5018, Jul. 26, 1991
Next Issue: New Series, Vol. 253, No. 5020, Aug. 9, 1991


Front Matter (11 pp.)
The Foreign Policy of U.S. Universities (1 p.)
John Deutch


Letters
French Educational Reform, p. 493
Vincent Courtillot
Terms of Endearment, p. 494
Cecilia Mikalac; Newell E. Gilmour, Jr.
Faculty Retirement, p. 494
Paul J. Friedman; W. Edmund Farrar


Correction: Cocaine Addiction: Psychology and Neuropsychology, p. 494
Frank H. Gawin

ScienceScope, p. 499
David P. Hamilton


News and Comments
Artificial Heart: The Beat Goes On, pp. 500-502
Eliot Marshall
Sullivan Overrules NIH on Sex Survey, p. 502
Eliot Marshall


News and Comment
Chiron Buys Cetus: A Tale of Two Companies, pp. 503-504
Ann Gibbons
Kennedy Resigns From Stanford, p. 504
David P. Hamilton
Computer Tools for Thinking in Tandem, pp. 505+507
Michael Schrage
Networks for Thinking in Cliques?, p. 506
Alun Anderson


Briefings
Oceanography on Ice, p. 508
Faye Flam
GONG Gets Going, p. 508
Faye Flam
Canadian Federal Lab Goes Private, p. 508
Faye Flam
DDI Approval Gets Uneasy Welcome, p. 509
Faye Flam
New Task Force on Declining Amphibians, p. 509
Faye Flam
Bostonian Gene Transfer, p. 509
Faye Flam
Panel Wavers on Roots of Cancer, p. 509
Faye Flam


Research News
Making Sense of Antisense, pp. 510-511
Anne Simon Moffat
A Feast of Gene-Splicing Down on the Fish Farm, pp. 512-513
Mark Fischetti
A Job Well Done at Pinatubo Volcano, p. 514
Richard A. Kerr
Hand Ax Throws Light on European Prehistory, p. 515
Michelle Hoffman


Perspective
A Cluster of Antennapedia-Class Homeobox Genes in an Nonsegmented Animal, pp. 516-517
Cynthia Kenyon; Bruce Wang


The Economics of Pesticide Use and Regulation, pp. 518-522
David Zilberman; Andrew Schmitz; Gary Casterline; Erik Lichtenberg; Jerome B. Siebert

Numerical Models of Extragalactic Radio Sources, pp. 522-530
Jack O. Burns; Michael L. Norman; David A. Clarke

Rules of Language, pp. 530-535
Steven Pinker


Research Article
Occurrence of Earth-Like Bodies in Planetary Systems, pp. 535-538
George W. Wetherill


Reports
Heat Conductivity of Amorphous Solids: Simulation Results on Model Structures, pp. 539-542
Ping Sheng; Minyao Zhou
Quantification of Primary Versus Secondary C-H Bond Cleavage in Alkane Activation: Propane on Pt, pp. 542-545
W. Henry Weinberg; Yong-Kui Sun
Dimerization of Human Growth Hormone by Zinc, pp. 545-548
Brian C. Cunningham; Michael G. Mulkerrin; James A. Wells
Predictable Upwelling and the Shoreward Transport of Planktonic Larvae by Internal Tidal Bores, pp. 548-551
Jesús Pineda
A Component of Calcium-Activated Potassium Channels Encoded by the Drosophila slo Locus, pp. 551-555
Nigel S. Atkinson; Gail A. Robertson; Barry Ganetzky
Progressive Encephalopathy and Myopathy in Transgenic Mice Expressing Human Foamy Virus Genes, pp. 555-557
Katrin Bothe; Adriano Aguzzi; Hans Lassmann; Axel Rethwilm; Ivan Horak
Identification of Profilin as a Novel Pollen Allergen; IgE Autoreactivity in Sensitized Individuals, pp. 557-560
Rudolf Valenta; Michael Duchêne; Karin Pettenburger; Christian Sillaber; Peter Valent; Peter Bettelheim; Michael Breitenbach; Helmut Rumpold; Dietrich Kraft; Otto Scheiner
Protein Kinase Activity Closely Associated with a Reconstituted Calcium- Activated Potassium Channel, pp. 560-562
Sungkwon Chung; Peter H. Reinhart; Bruce L. Martin; David Brautigan; Irwin B. Levitan
Selective Inhibition of Leukemia Cell Proliferation by BCR-ABL Antisense Oligodeoxynucleotides, pp. 562-565
Cezary Szczylik; Tomasz Skorski; Nicholas C. Nicolaides; Livia Manzella; Lucia Malaguarnera; Donatella Venturelli; Alan M. Gewirtz; Bruno Calabretta
Differentiation of 3T3-L1 Fibroblasts to Adipocytes Induced by Transfection of ras Oncogenes, pp. 565-568
Manuel Benito; Almudena Porras; Angel R. Nebreda; Eugenio Santos
Visual Motion Commands for Pursuit Eye Movements in the Cerebellum, pp. 568-571
Richard J. Krauzlis; Stephen G. Lisberger


Book Reviews
Molecules and the Mind, p. 572
Information in the Brain. A Molecular Perspective.
Ira B. Black
Review author[s]: Dale Purves
Visual Systems, pp. 572-573
Development of the Visual System.
Dominic Man-Kit Lam; Carla J. Schatz
Review author[s]: Simon LeVay
Special Kinds of Knowledge, pp. 573-574
What Engineers Know and How They Know It. Analytical Studies from Aeronautical History.
Walter G. Vincenti
Review author[s]: David F. Channell
----------------, p. 574
Psychology at Iowa. Centennial Essays.
Joan H. Cantor
Review author[s]: K. L.
----------------, p. 574
Science, American Style.
Nathan Reingold
Review author[s]: K. L.
Books Received, pp. 574-575


Back Matter (17 pp.)

Previous Issue: New Series, Vol. 253, No. 5018, Jul. 26, 1991
Next Issue: New Series, Vol. 253, No. 5020, Aug. 9, 1991



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