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Science, New Series, Vol. 237, No. 4818, Aug. 28, 1987


Previous Issue: New Series, Vol. 237, No. 4817, Aug. 21, 1987
Next Issue: New Series, Vol. 237, No. 4819, Sep. 4, 1987


Front Matter (20 pp.)
Strengthening U.S. Engineering, p. 961
Philip H. Abelson


Letters
Genetic Bottlenecks, p. 963
Philip W. Hedrick
Formation of Brown Dwarfs, pp. 963-964
Alan P. Boss
Blocked Ontogeny, p. 964
Van Rensselaer Potter


Erratum: Cancinogenicity and Allergenicity, p. 964
Erratum: Splicins of Messenger RNA Precursors, p. 964
Erratum: Bolivia Swaps Debt for Conservation, p. 964


News & Comment
Space Program Said to Lack Direction, p. 965
Colin Norman
What Course for U.S. Fusion Energy R&D?, pp. 966-967
Mark Crawford
Botany Bids for the ``Big Science'' League, pp. 967-968
Marjorie Sun
Combing the Earth for Cures to Cancer, AIDS, pp. 969-970
William Booth


Briefing
Foreigners in Science, p. 970
C.H.
Hopes and Fears at NSF, p. 970
J.W.
Comings and Goings, p. 970
J.W.


Research News
Solo Actions of AIDS Virus Coat, pp. 971-973
Deborah M. Barnes
A New Source of Power to Drive the Aurora, p. 974
Richard A. Kerr
Discovering Microbes with a Taste for PCBs, pp. 975-977
Leslie Roberts
More Clues to the Cause of Parkinson's Disease, p. 978
Roger Lewin


Characterizing Criminal Careers, pp. 985-991
Alfred Blumstein; Jacqueline Cohen

Characterization by Tandem Mass Spectrometry of Structural Modifications in Proteins, pp. 992-998
Klaus Biemann; Hubert A. Scoble

Chemistry of Pheromone and Hormone Metabolism in Insects, pp. 999-1006
Glenn D. Prestwich

Homeo Domain of the Yeast Repressor α2 is a Sequence-Specific DNA-Binding Domain but is not Sufficient for Repression, pp. 1007-1012
Michael N. Hall; Alexander D. Johnson

Structure of the Nucleotide Activation Switch in Glycogen Phosphorylase A, pp. 1012-1019
Stephen Sprang; Elizabeth Goldsmith; Robert Fletterick


Reports
Effect of Ship-Stack Effluents on Cloud Reflectivity, pp. 1020-1022
James A. Coakley; Robert L. Bernstein; Philip A. Durkee
Seasonal Mixing and Catastrophic Degassing in Tropical Lakes, Cameroon, West Africa, pp. 1022-1024
George W. Kling
New Early Jurassic Tetrapod Assemblages Constrain Triassic-Jurassic Tetrapod Extinction Event, pp. 1025-1029
P. E. Olsen; N. H. Shubin; M. H. Anders
Organ-Resident, Nonlymphoid Cells Suppress Proliferation of Autoimmune T-Helper Lymphocytes, pp. 1029-1032
Rachel R. Caspi; Francois G. Roberge; Robert B. Nussenblatt
Tolerance Induced by Thymic Epithelial Grafts in Birds, pp. 1032-1035
Hiroko Ohki; Claude Martin; Catherine Corbel; Monique Coltey; Nicole M. Le Douarin
Oncogenes in Radioresistant, Noncancerous Skin Fibroblasts from a Cancer-Prone Family, pp. 1036-1039
Esther H. Chang; Kathleen F. Pirollo; Zhi Qiang Zou; Hon-Yeung Cheung; Elsbeth Lee Lawler; Rosa Garner; Elizabeth White; Wendy B. Bernstein; Joseph W. Fraumeni; William A. Blattner
The raf Oncogene is Associated with a Radiation-Resistant Human Laryngeal Cancer, pp. 1039-1041
U. Kasid; A. Pfeifer; R. R. Weichselbaum; A. Dritschilo; G. E. Mark
A Stereospecific Cyclization Catalyzed by an Antibody, pp. 1041-1043
Andrew D. Napper; Stephen J. Benkovic; Alfonso Tramontano; Richard A. Lerner
Activation of Adenovirus Promoters by the Adenovirus E1A Protein in Cell-Free Extracts, pp. 1044-1046
Rudolph Spangler; Mark Bruner; Barbara Dalie; Marian L. Harter
Functional Interaction and Partial Homology between Human Immunodeficiency Virus and Neuroleukin, pp. 1047-1051
Mark R. Lee; David D. Ho; Mark E. Gurney
Molecular Diversity of the Human T-Gamma Constant Region Genes, pp. 1051-1055
Pier Giuseppe Pelicci; Milayna Subar; Arthur Weiss; Riccardo Dalla-Favera; Dan R. Littman


Book Reviews
The Case of Galileo, pp. 1059-1060
Galileo: Heretic
Pietro Redondi
Review author[s]: Richard S. Westfall
Mathematical Psychology, p. 1060
Response Times
R. Duncan Luce
Review author[s]: Jean-Claude Falmagne
Transforming Genes, pp. 1060-1061
Oncogenes, Genes, and Growth Factors
Gordon Guroff
Oncogenes and Growth Control
Patricia Kahn; Thomas Graf
Review author[s]: James N. Ihle


Back Matter (24 pp.)

Previous Issue: New Series, Vol. 237, No. 4817, Aug. 21, 1987
Next Issue: New Series, Vol. 237, No. 4819, Sep. 4, 1987



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