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Science, New Series, Vol. 232, No. 4749, Apr. 25, 1986


Previous Issue: New Series, Vol. 232, No. 4748, Apr. 18, 1986
Next Issue: New Series, Vol. 232, No. 4750, May 2, 1986


Front Matter (17 pp.)
A Time for Steadiness, p. 437
Cornelius J. Pings


Letters
Punctuated Equilibrium: Empirical Response, p. 439
Stephen Jay Gould
Defining Risk, p. 439
Aaron Wildavsky
Overhead Costs on Research Grants, p. 439
Joseph Arditti


Erratum: Why Dynamiting Vampire Bats Is Wrong, p. 439


News & Comment
Bloch Prepares NSF for Lean Years, pp. 440-441
John Walsh
Fill the Oil Reserve, Academy Report Says, pp. 441-442
Eliot Marshall
Pentagon's R&D Chief Roils the Waters, pp. 443-445
R. Jeffrey Smith


Briefing
USDA Suspends License for Engineered Vaccine, p. 446
Marjorie Sun
Laser Fusion Program Burdened by Overclassification, pp. 446-447
Mark Crawford
Smithsonian Photobiology Lab to Close, p. 447
Constance Holden
European Commission Proposes Shift in Joint Research, p. 447
David Dickson


Research News
Researchers Hunt for Alzheimer's Disease Gene, pp. 448-450
Gina Kolata
Briefing, p. 450
Roger Lewin
Consensus on Silicon Surface Structure near, pp. 451-453
Arthur L. Robinson


Sex Differences in Economic Well-Being, pp. 459-464
Victor R. Fuchs

Design of Sequence-Specific DNA-Binding Molecules, pp. 464-471
Peter B. Dervan

Diamonds and the African Lithosphere, pp. 472-477
F. R. Boyd; John J. Gurney

Biochemical and Genetic Evidence for the Hepatitis B Virus Replication Strategy, pp. 477-484
Christoph Seeger; Don Ganem; Harold E. Varmus


Reports
Potential Metal-Binding Domains in Nucleic Acid Binding Proteins, pp. 485-487
Jeremy M. Berg
Occurrence of Peptide and Clavine Ergot Alkaloids in Tall Fescue Grass, pp. 487-489
Philip C. Lyons; Ronald D. Plattner; Charles W. Bacon
De Gustibus Non Est Disputandem: A Spiral Center for Taste in the Brain of the Teleost Fish, Heterotis niloticus, pp. 489-491
Mark R. Braford
Molecular Analysis of the t(2;14) Translocation of Childhood Chronic Lymphocytic Leukemia, pp. 491-494
H. Perry Fell; R. Graham Smith; Philip W. Tucker
Interspecific Genetic Control of Courtship Song Production and Reception in Drosophila, pp. 494-497
C. P. Kyriacou; Jeffrey C. Hall
Bioavailability of Dioxin in Soil from a 2,4,5-T Manufacturing Site, pp. 497-499
Thomas H. Umbreit; Elizabeth J. Hesse; Michael A. Gallo
Selectivity of Intracellular Proteolysis: Protein Substrates Activate the ATP-Dependent Protease (La), pp. 500-503
Lloyd Waxman; Alfred L. Goldberg
Restoration by Calmodulin of a Ca 2+ -Dependent K + Current Missing in a Mutant of Paramecium, pp. 503-506
Robert D. Hinrichsen; Anthony Burgess-Cassler; Brook Chase Soltvedt; Todd Hennessey; Ching Kung
Induction of Macrophage Tumoricidal Activity by Granulocyte-Macrophage Colony-Stimulating Factor, pp. 506-508
Kenneth H. Grabstein; David L. Urdal; Robert J. Tushinski; Diane Y. Mochizuki; Virginia L. Price; Michael A. Cantrell; Steven Gillis; Paul J. Conlon
The Neuroendocrine Thymus: Coexistence of Oxytocin and Neurophysin in the Human Thymus, pp. 508-511
Vincent Geenen; Jean-Jacques Legros; Paul Franchimont; Marc Baudrihaye; Marie-Paule Defresne; Jacques Boniver
Receptor-Associated Resistance to Growth Hormone-Releasing Factor in Dwarf ``Little'' Mice, pp. 511-512
John-Olov Jansson; Thomas R. Downs; Wesley G. Beamer; Lawrence A. Frohman
Cerebellar Vermis: Essential for Long-Term Habituation of the Acoustic Startle Response, pp. 513-515
Robert N. Leaton; William F. Supple
Calcium Antagonist Receptors in Cardiomyopathic Hamster: Selective Increases in Heart, Muscle, Brain, pp. 515-518
John A. Wagner; Ian J. Reynolds; Harlan F. Weisman; Pamela Dudeck; Myron L. Weisfeldt; Solomon H. Snyder
Gene Transfer and Molecular Cloning of the Human NGF Receptor, pp. 518-521
Moses V. Chao; Mark A. Bothwell; Alonzo H. Ross; Hilary Koprowski; Anthony A. Lanahan; C. Randall Buck; Amita Sehgal
Abnormal Proteins Serve as Eukaryotic Stress Signals and Trigger the Activation of Heat Shock Genes, pp. 522-524
Jayakumar Ananthan; Alfred L. Goldberg; Richard Voellmy
A Fluorescence Photobleaching Assay of Gap Junction-Mediated Communication between Human Cells, pp. 525-528
Margaret H. Wade; James E. Trosko; Melvin Schindler


Book Reviews
Ramifications of Genetics, pp. 531-532
In the Name of Eugenics
Daniel J. Kevles
Review author[s]: Elof Axel Carlson
A Transmutation in Physics, pp. 532-533
From Maxwell to Microphysics
Jed Z. Buchwald
Review author[s]: Daniel M. Siegel
Papers from Khabarovsk, p. 533
Beringia in the Cenozoic Era
V. L. Kontrimavichus
Review author[s]: David F. Murray
Herpetology in the Pacific, pp. 533-534
Biology of Australasian Frogs and Reptiles
Gordon Grigg; Richard Shine; Harry Ehmann
Review author[s]: F. Harvey Pough


Back Matter (19 pp.)

Previous Issue: New Series, Vol. 232, No. 4748, Apr. 18, 1986
Next Issue: New Series, Vol. 232, No. 4750, May 2, 1986



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