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Science, New Series, Vol. 236, No. 4801, May 1, 1987


Previous Issue: New Series, Vol. 236, No. 4800, Apr. 24, 1987
Next Issue: New Series, Vol. 236, No. 4802, May 8, 1987


Front Matter (33 pp.)
Sequencing the Human Genome, p. 505
Daniel E. Koshland


Letters
Women in Science, p. 507
Evelyn Fox Keller
Adolescence and Mental Illness, pp. 507-508
Irwin Feinberg
Bibliographic Databases, p. 508
Trevor Robinson


Erratum: New evidence at Wayne State for Superconductivity at 240 K, p. 508
Erratum: Drug May Protect Brains of Heart Attack Victims, p. 508


News & Comment
Doubt Cast on Laser Weapons, pp. 509-510
Colin Norman
Fredrickson Takes Leave from Hughes, p. 510
Barbara J. Culliton
California Field Test Goes Forward, p. 511
Mark Crawford
U.K. Science: Survival of the Fittest--or Fattest?, pp. 512-513
David Dickson
Security Council Blocks NSF Grant to IIASA, pp. 514-515
Colin Norman
Plutonium by the Ton, pp. 515-516
Eliot Marshall


Briefing
NAS Hopes to Save Issues, p. 516
B.J.C.
MIT Gets $3 Million for News Fellowships, p. 516
B.J.C.


Research News
Clinical Promise with New Hormones, pp. 517-519
Gina Kolata
On the Benefits of Being Eaten, pp. 519-520
Roger Lewin
Statistical Traps Lurk in the Fossil Record, pp. 521-522
Roger Lewin
Supernova 1987 A: Notes from All over, pp. 522-523
M. Mitchell Waldrop


Decision-Making in the Presence of Risk, pp. 537-543
Mark J. Machina

Accelerator Mass Spectrometry for Measurement of Long-Lived Radioisotopes, pp. 543-550
David Elmore; Fred M. Phillips

The Basis for the Immunoregulatory Role of Macrophages and Other Accessory Cells, pp. 551-557
Emil R. Unanue; Paul M. Allen

Assembly of Clathrin-Coated Pits onto Purified Plasma Membranes, pp. 558-563
Mary Shannon Moore; David T. Mahaffey; Frances M. Brodsky; Richard G. W. Anderson


Reports
Free Energy Calculations by Computer Simulation, pp. 564-568
P. A. Bash; U. C. Singh; R. Langridge; P. A. Kollman
On the Prevalence of Room-Temperature Protein Phosphorescence, pp. 568-569
Jane M. Vanderkooi; Dorothy B. Calhoun; S. Walter Englander
Mitogens and Oncogenes Can Block the Induction of Specific Voltage-Gated Ion Channels, pp. 570-573
John M. Caffrey; Arthur M. Brown; Michael D. Schneider
Clustering of Genes Dispensable for Growth in Culture in the S Component of the HSV-1 Genome, pp. 573-576
Richard Longnecker; Bernard Roizman
Rapid Identification of Nonessential Genes of Herpes Simplex Virus Type 1 by Tn5 Mutagenesis, pp. 576-579
Peter C. Weber; Myron Levine; Joseph C. Glorioso
Distribution of Cones in Human and Monkey Retina: Individual Variability and Radial Asymmetry, pp. 579-582
Christine A. Curcio; Kenneth R. Sloan; Orin Packer; Anita E. Hendrickson; Robert E. Kalina
β1-6 Branching of Asn-Linked Oligosaccharides is Directly Associated with Metastasis, pp. 582-585
James W. Dennis; Suzanne Laferté; Carol Waghorne; Martin L. Breitman; Robert S. Kerbel
Insulin Rapidly Increases Diacylglycerol by Activating De Novo Phosphatidic Acid Synthesis, pp. 586-589
Robert V. Farese; Thomas Suman Konda; John S. Davis; Mary L. Standaert; Robert J. Pollet; Denise R. Cooper
Zinc Selectively Blocks the Action of N-Methyl-d-Aspartate on Cortical Neurons, pp. 589-593
S. Peters; J. Koh; D. W. Choi
A Chicken Transferrin Gene in Transgenic Mice Escapes X-Chromosome Inactivation, pp. 593-595
Michael A. Goldman; Karen R. Stokes; Rejean L. Idzerda; G. Stanley McKnight; Robert E. Hammer; Ralph L. Brinster; Stanley M. Gartler
Asymmetries in Mating Preferences between Species: Female Swordtails Prefer Heterospecific Males, pp. 595-597
Michael J. Ryan; William E. Wagner
Cloning of Complementary DNA for GAP-43, a Neuronal Growth-Related Protein, pp. 597-600
Larry R. Karns; Shi-Chung Ng; John A. Freeman; Mark C. Fishman
Primary Structure and Biochemical Properties of an M 2 Muscarinic Receptor, pp. 600-605
Ernest G. Peralta; John W. Winslow; Gary L. Peterson; Douglas H. Smith; Avi Ashkenazi; J. Ramachandran; Michael I. Schimerlik; Daniel J. Capon


AAAS News
Project on Liberal Education and the Sciences Receives Funding, p. 610
Barbara G. Walthall
Reminder for Members, p. 610
Pacific Division Meets in San Diego, 14-18 June, p. 610
SB&F Focuses on Science in the Middle Grades, pp. 610-611
Section Y Adopts Statement of Membership and Purpose, p. 611
Obituaries, p. 611


Book Reviews
Global Crop Resources, pp. 617-618
Gene Banks and the World's Food
Donald L. Plucknett; Nigel J. H. Smith; J. T. Williams; N. Murthi Anishetty
Review author[s]: William L. Brown
Mechanisms of Mobility, pp. 618-619
Insect Flight
W. Danthanarayana
Review author[s]: Derek Roff
Astronomical Influences, p. 619
The Galaxy and the Solar System
Roman Smoluchowski; John N. Bahcall; Mildred S. Matthews
Review author[s]: Mark E. Bailey
Deep Sea Data, pp. 619-620
North Atlantic Palaeoceanography
C. P. Summerhayes; N. J. Shackleton
Review author[s]: W. A. Berggren


Back Matter (25 pp.)

Previous Issue: New Series, Vol. 236, No. 4800, Apr. 24, 1987
Next Issue: New Series, Vol. 236, No. 4802, May 8, 1987



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