Science, New Series, Vol. 239, No. 4835, Jan. 1, 1988

Previous Issue: New Series, Vol. 238, No. 4834, Dec. 18, 1987
Next Issue: New Series, Vol. 239, No. 4836, Jan. 8, 1988

Front Matter (10 pp.)
A New Threat to World Health, p. 9

Barry R. Bloom

Letters

``My Mom, the Professor'', p. 10

Carl Djerassi

Arctic Dinosaurs and Terminal Cretaceous Extinctions, pp. 10-11

Gary J. Galbreath; Jack A. Wolfe

``My Mom, the Professor'': Response, p. 11

Elisabeth M. Brouwers; Robert A. Spicer; William A. Clemens

Erratum: Color Vision and the Retinex Theory, p. 11

News & Comment

Growth in R&D Spending Slows, pp. 12-13

Mark Crawford

Down to the Wire on U.S.--Japan Agreement, pp. 13-14

Marjorie Sun

IBM, Chen in Supercomputer Partnership, p. 14

M. Mitchell Waldrop

Nevada Wins the Nuclear Waste Lottery, p. 15

Eliot Marshall

Britain to Remain in CERN for Now, p. 16

David Dickson

Debate Rages over Breast Cancer Study, pp. 17-18

Marjorie Sun

NASA's Space Station Approved by Congress, p. 19

Eliot Marshall

NIH May Have to Move ASAP on AIDS Grants, p. 20

William Booth

Research News

Zeroing in on the Sex Switch, pp. 21-23

Leslie Roberts

Has a Brown Dwarf Been Found at Last?, pp. 23-24

M. Mitchell Waldrop

Orphan Interferon Finds a New Home, pp. 25-26

Jean L. Marx

Gamma Rays for Christmas, p. 26

M. Mitchell Waldrop

Pliocene and Pleistocene Hominid-Bearing Sites from West of Lake Turkana, Kenya, pp. 27-33

J. M. Harris; F. H. Brown; M. G. Leakey; A. C. Walker; R. E. Leakey

Heavy-Electron Metals: New Highly Correlated States of Matter, pp. 33-42

Z. Fisk; D. W. Hess; C. J. Pethick; D. Pines; J. L. Smith; J. D. Thompson; J. O. Willis

Tropical Forests and the Global Carbon Cycle, pp. 42-47

R. P. Detwiler; Charles A. S. Hall

Reports

Global Trends in Total Ozone, pp. 48-50

Kenneth P. Bowman

Atomic Force Microscopy of an Organic Monolayer, pp. 50-52

O. Marti; H. O. Ribi; B. Drake; T. R. Albrecht; C. F. Quate; P. K. Hansma

GEOSAT Altimeter Observations of Kelvin Waves and the 1986-87 El Niño, pp. 52-54

Laury Miller; Robert E. Cheney; Bruce C. Douglas

Implantation of Bacteroides gingivalis in Nonhuman Primates Initiates Progression of Periodontitis, pp. 55-57

Stanley C. Holt; Jeffrey Ebersole; Jeffrey Felton; Michael Brunsvold; Kenneth S. Kornman

Dominant Role of N-Type Ca ²⁺ Channels in Evoked Release of Norepinephrine from Sympathetic Neurons, pp. 57-61

Lane D. Hirning; Aaron P. Fox; Edwin W. McCleskey; Baldomero M. Olivera; Stanley A. Thayer; Richard J. Miller; Richard W. Tsien

Molecular Crowding on the Cell Surface, pp. 61-64

T. A. Ryan; J. Myers; D. Holowka; B. Baird; W. W. Webb

Human Ribosomal RNA Genes: Orientation of the Tandem Array and Conservation of the 5 ^� End, pp. 64-68

Ronald G. Worton; Joanne Sutherland; James E. Sylvester; Huntington F. Willard; Sharon Bodrug; Ian Dubé; Catherine Duff; Vanora Kean; Peter N. Ray; Roy D. Schmickel

Risk of Human Immunodeficiency Virus (HIV-1) Infection among Laboratory Workers, pp. 68-71

Stanley H. Weiss; James J. Goedert; Suzanne Gartner; Mikulas Popovic; David Waters; Phillip Markham; Fulvia Di Marzo Veronese; Mitchell H. Gail; W. Emmett Barkley; Joseph Gibbons; Fred A. Gill; Michael Leuther; George M. Shaw; Robert C. Gallo; William A. Blattner

Naturally Occurring Antihormones: Secretion of FSH Antagonists by Women Treated with a GnRH Analog, pp. 72-74

Kristine D. Dahl; Thomas A. Bicsak; Aaron J. W. Hsueh

AAAS News

1987 Election Results, pp. 75-76

Reports Investigate Torture and Role of Health Professionals, p. 76

SWARM Plans Spring Meeting, pp. 76-77

U.S.-China Water Management Collaboration, p. 77

Lisbeth A. Levey

1988 Calendar of Scientific Meetings Available, p. 77

Dues Increase Announced, p. 77

Reminder for Members, p. 77

Book Reviews

An Official Program, p. 79

Guide to China's Science and Technology Policy, 1986

Review author[s]: Nicholas Lardy

Institutions Transformed, pp. 79-80

The Care of Strangers

Charles E. Rosenberg

Review author[s]: David Rosner

Gravity: Foundational Questions, pp. 80-82

Quantum Concepts in Space and Time

R. Penrose; C. J. Isham

Review author[s]: Karel Kuchař

Imaginative Biochemistry, p. 82

Free Radical

Ralph W. Moss

Review author[s]: W. D. McElroy

Back Matter (35 pp.)

Previous Issue: New Series, Vol. 238, No. 4834, Dec. 18, 1987
Next Issue: New Series, Vol. 239, No. 4836, Jan. 8, 1988

Science, New Series, Vol. 239, No. 4836, Jan. 8, 1988

Previous Issue: New Series, Vol. 239, No. 4835, Jan. 1, 1988
Next Issue: New Series, Vol. 239, No. 4837, Jan. 15, 1988

Front Matter (16 pp.)
Materials Science, p. 125

Philip H. Abelson

Letters

Did Adam Marry Eve?, p. 127

Olivier Bensaude; Philip Avner

Fraudulent Science, p. 127

M. B. Mittleman; Alex Weisskopf

The Union Movement, p. 127

Raymond R. White

The Union Movement: Response, pp. 127-128

Henry S. Farber

Acid Rain Report, p. 128

Gary M. Lovett; Clive G. Jones; Gene E. Likens

Increased Energy Efficiency, 1978-1986, p. 128

Charles Komanoff

Personality Measures, p. 128

Zvia Agur

Erratum: Similarity of Synthetic Peptide from Human Tumor to Parathyroid Hormone in Vivo and in Vitro, p. 128

News & Comment

SSC Sites: Then There were Eight, pp. 133-134

Mark Crawford

Shuttle Setback, p. 134

Eliot Marshall

Revenge of the ``Nozzleheads'', pp. 135-137

William Booth

Details of 1957 British Nuclear Accident Withheld to Avoid Endangering U.S. Ties, p. 137

David Dickson

Shakeup under Way for Australian Science, pp. 138-139

David Dickson

Briefing

Rejuvenation at the Soviet Academy, p. 140

D.D.

Cosmonaut Faults Soviet Space Program, p. 140

D.D.

The Research Top Ten, p. 140

C.N.

AIDS Funds Increased; Helms Measure Blunted, p. 140

W.B.

Research News

Gamma Rays from Cygnus X-1, p. 141

M. Mitchell Waldrop

Meeting on the Mind, pp. 142-144

Deborah M. Barnes

Geophysics: Ancient Air, Ozone, and Faults, pp. 144-146

Richard A. Kerr

Effects of Acid Rain on Freshwater Ecosystems, pp. 149-157

D. W. Schindler

Infrared Laser Spectroscopy of Molecular Ions, pp. 157-161

Richard J. Saykally

Neurometrics: Computer-Assisted Differential Diagnosis of Brain Dysfunctions, pp. 162-169

E. R. John; L. S. Prichep; J. Fridman; P. Easton

Expression and Function of the Segmentation Gene fushi tarazu during Drosophila Neurogenesis, pp. 170-175

Chris Q. Doe; Yasushi Hiromi; Walter J. Gehring; Corey S. Goodman

Reports

Possible Evidence for Superconducting Layers in Single Crystal YBa ₂ Cu ₃ O _7-x by Field Ion Microscopy, pp. 176-178

A. J. Melmed; R. D. Shull; C. K. Chiang; H. A. Fowler

Role of the Protein Moiety of Ribonuclease P, a Ribonucleoprotein Enzyme, pp. 178-181

Claudia Reich; Gary J. Olsen; Bernadette Pace; Norman R. Pace

Anti-Idiotypic Network Induced by T Cell Vaccination against Experimental Autoimmune Encephalomyelitis, pp. 181-183

Ofer Lider; Tamara Reshef; Evelyne Beraud; Avraham Ben-Nun; Irun R. Cohen

A Quantitative Bioassay for HIV-1 Based on Trans-Activation, pp. 184-187

Barbara K. Felber; George N. Pavlakis

Cell Wall is Required for Fixation of the Embryonic Axis in Fucus Zygotes, pp. 187-190

Darryl L. Krope; Bernard Kloareg; Ralph S. Quatrano

Antagonistic Adrenergic-Muscarinic Regulation of M Current in Smooth Muscle Cells, pp. 190-193

Stephen M. Sims; Joshua J. Singer; John V. Walsh

Transmission of HIV in Belle Glade, Florida: Lessons for Other Communities in the United States, pp. 193-197

Kenneth G. Castro; Spencer Lieb; Harold W. Jaffe; John P. Narkunas; Charles H. Calisher; Timothy J. Bush; John J. Witte; The Belle Glade Field-Study Group

Book Reviews

Darwinism and Moral Purpose, pp. 198-199

Darwin and the Emergence of Evolutionary Theories of Mind and Behavior

Robert J. Richards

Review author[s]: John C. Greene

The Archean, pp. 199-200

The Young Earth

E. G. Nisbet

Review author[s]: Andrew H. Knoll

Marine Strategists, p. 200

A Functional Biology of Echinoderms

John Lawrence

Review author[s]: John S. Pearse

Neuronal Mechanisms, pp. 200-201

Synaptic Function

Gerald M. Edelman; W. Einar Gall; W. Maxwell Cowan

Review author[s]: L. L. Iversen

Back Matter (32 pp.)

Previous Issue: New Series, Vol. 239, No. 4835, Jan. 1, 1988
Next Issue: New Series, Vol. 239, No. 4837, Jan. 15, 1988

Science, New Series, Vol. 239, No. 4837, Jan. 15, 1988

Previous Issue: New Series, Vol. 239, No. 4836, Jan. 8, 1988
Next Issue: New Series, Vol. 239, No. 4838, Jan. 22, 1988

Front Matter (11 pp.)
Balance in Science, p. 241

Daniel E. Koshland

Policy Forum

Tropical Ecological and Biocultural Restoration, pp. 243-244

Daniel H. Janzen

Letters

Animals in the Lab, p. 245

Neal D. Barnard; Jorge F. Rodriguez-Sierra; Roger W. Galvin

Coalition Architects, p. 245

David Albright; Frank Von Hippel

Erratum: A Matter of Time, p. 245
Erratum: YIGSR, a Synthetic Laminin Pentapeptide, Inhibits Experimental Metastasis Formation, p. 245

News & Comment

SDI: Testing the Limits, pp. 246-248

Colin Norman

Texas Wins R&D Center, p. 248

John Walsh

Famine Early Warning System Wins its Spurs, pp. 249-250

John Walsh

Radon's Health Risks, p. 250

Marjorie Sun

French Mathematicians Push the Panic Button, pp. 251-252

David Dickson

Breast Cancer Study Vetoed, p. 252

Marjorie Sun

CDC Paints a Picture of HIV Infection in U.S., p. 253

William Booth

Research News

NMDA Receptors Trigger Excitement, pp. 254-256

Deborah M. Barnes

Corals Remain Baffling, p. 256

Leslie Roberts

Cytokines are Two-Edged Swords in Disease, pp. 257-258

Jean L. Marx

Linking Earth, Ocean, and Air at the AGU, pp. 259-260

Richard A. Kerr

Supercomputer Analysis of Sedimentary Basins, pp. 261-267

Craig M. Bethke; Wendy J. Harrison; Craig Upson; Stephen P. Altaner

Structural and Functional Roles of Glycosyl-Phosphatidylinositol in Membranes, pp. 268-275

Martin G. Low; Alan R. Saltiel

Reports

Bacterial Motility: Membrane Topology of the Escherichia coli MotB Protein, pp. 276-278

Sang Yearn Chun; John S. Parkinson

Somatostatin Augments the M-Current in Hippocampal Neurons, pp. 278-280

Scott D. Moore; Samuel G. Madamba; Marian Joels; George R. Siggins

A General Method for the Chromosomal Amplification of Genes in Yeast, pp. 280-282

Jef D. Boeke; Hua Xu; Gerald R. Fink

Long-Term Facilitation in Aplysia Involves Increase in Transmitter Release, pp. 282-285

N. Dale; S. Schacher; E. R. Kandel

The Primary Structure and Heterogeneity of tau Protein from Mouse Brain, pp. 285-288

Gloria Lee; Nicholas Cowan; Marc Kirschner

A Mechanism for Surface Attachment in Spores of a Plant Pathogenic Fungus, pp. 288-290

John E. Hamer; Richard J. Howard; Forrest G. Chumley; Barbara Valent

Perivascular Microglial Cells of the CNS are Bone Marrow-Derived and Present Antigen in vivo, pp. 290-292

William F. Hickey; Hiromitsu Kimura

A 13-Kilodalton Maize Mitochondrial Protein in E. coli Confers Sensitivity to Bipolaris maydis Toxin, pp. 293-295

R. E. Dewey; J. N. Siedow; D. H. Timothy; C. S. Levings

DNA Amplification for Direct Detection of HIV-1 in DNA of Peripheral Blood Mononuclear Cells, pp. 295-297

Chin-Yih Ou; Shirley Kwok; Sheila W. Mitchell; David H. Mack; John J. Sninsky; John W. Krebs; Paul Feorino; Donna Warfield; Gerald Schochetman

Book Reviews

Organizational Possibilities, pp. 298-299

New Technology at Work

Arthur Francis

Review author[s]: Robert J. Thomas

Crosscurrents in Cytogenetics, pp. 299-300

Beyond the Gene

Jan Sapp

Review author[s]: Frederick B. Churchill

Organisms for Study, p. 300

Observing Marine Invertebrates

Donald P. Abbott

Review author[s]: Richard R. Strathmann

Ontogeny and Phylogeny, pp. 300-301

Animal Evolution In Changing Environments

Ryuichi Matsuda

Review author[s]: Amy R. McCune

Back Matter (24 pp.)

Previous Issue: New Series, Vol. 239, No. 4836, Jan. 8, 1988
Next Issue: New Series, Vol. 239, No. 4838, Jan. 22, 1988

Science, New Series, Vol. 239, No. 4838, Jan. 22, 1988

Previous Issue: New Series, Vol. 239, No. 4837, Jan. 15, 1988
Next Issue: New Series, Vol. 239, No. 4839, Jan. 29, 1988

Front Matter (38 pp.)
Storage of Spent Nuclear Fuels in Nevada, p. 333

Philip H. Abelson

Letters

Treatment of Radiation Victims in Brazil, p. 335

Robert Peter Gale

U.S.-Japan Cooperation, p. 335

Elliot Charney

Space Sample Policy, p. 335

Thomas H. Jukes

Antarctic Research, pp. 335-336

Charles R. Bentley

Hot Dry Rock: More Promise than Problem?, p. 336

Michael E. Berger; Hugh D. Murphy

Satellite Map, p. 336

Saunders B. Kramer

News & Comment

Of Mice, Oncogenes, and Rifkin, pp. 341-343

William Booth

Fat Survey Trimmed in Lean Budget, p. 343

Marjorie Sun

``Earmarking'' at DOE, DOD Rolls on, pp. 344-345

Mark Crawford

Expanded U.S.-Soviet Trade Tied to Shift on Technology, p. 345

Mark Crawford

U.S.-Japan Nuclear Pact Draws Congressional Ire, p. 346

Marjorie Sun

Briefing

Joint NASA-Military Space Vehicle Planned, p. 347

E.M.

New York Drops out of SSC Sweepstakes, p. 347

M.C.

U.S., Soviet Academies Renew Exchange Pact, p. 347

C.N.

More Americans to Japan, p. 347

M.S.

Research News

AIDS Virus Creates Lab Risk, pp. 348-349

Deborah M. Barnes

Drilling into Surprises beneath an Inyo Crater, pp. 350-351

Richard A. Kerr

Gene Identity Confirmed, p. 351

Jean L. Marx

A Parent's Sex May Affect Gene Expression, pp. 352-353

Jean L. Marx

American Historical Archeology: Methods and Results, pp. 362-367

James Deetz

Superconductivity--The State that Came in from the Cold, pp. 367-375

T. H. Geballe; J. K. Hulm

The Syphilis Epidemic and its Relation to AIDS, pp. 375-380

Allan M. Brandt

Reports

Heterogeneous and Epitaxial Nucleation of Protein Crystals on Mineral Surfaces, pp. 385-387

Alexander McPherson; Paul Shlichta

Enzymatic Oxidation of Cholesterol Aggregates in Supercritical Carbon Dioxide, pp. 387-390

T. W. Randolph; D. S. Clark; H. W. Blanch; J. M. Prausnitz

Cavitation and the Interaction between Macroscopic Hydrophobic Surfaces, pp. 390-392

Hugo K. Christenson; Per M. Claesson

Spongivory in Hawksbill Turtles: A Diet of Glass, pp. 393-395

Anne Meylan

Hormone Conjugated with Antibody to CD3 Mediates Cytotoxic T Cell Lysis of Human Melanoma Cells, pp. 395-398

Margaret Ann Liu; Samuel R. Nussbaum; Herman N. Eisen

The Cellular src Gene Product Regulates Junctional Cell-to-Cell Communication, pp. 398-401

R. Azarnia; S. Reddy; T. E. Kmiecik; D. Shalloway; W. R. Loewenstein

Suppression of Macrophage Activation and T-Lymphocyte Function in Hypoprolactinemic Mice, pp. 401-404

Edward W. Bernton; Monte S. Meltzer; John W. Holaday

IgG from Patients with Lambert-Eaton Syndrome Blocks Voltage-Dependent Calcium Channels, pp. 405-408

Yong I. Kim; Erwin Neher

Book Reviews

A Clash between Naturalists, pp. 421-422

The Cuvier-Geoffroy Debate

Toby A. Appel

Review author[s]: Camille Limoges

Dualisms, p. 422

Medicine, Mind, and the Double Brain

Anne Harrington

Review author[s]: Philip J. Pauly

A Natural Panorama, p. 423

The Natural History of the USSR

Algirdas Knystautas

Review author[s]: Michael E. Taylor

From Molecule to Brain, pp. 423-424

Molecular Neurobiology in Neurology and Psychiatry

Eric R. Kandel

Review author[s]: Joseph B. Martin

Back Matter (17 pp.)

Previous Issue: New Series, Vol. 239, No. 4837, Jan. 15, 1988
Next Issue: New Series, Vol. 239, No. 4839, Jan. 29, 1988

Science, New Series, Vol. 239, No. 4839, Jan. 29, 1988

Previous Issue: New Series, Vol. 239, No. 4838, Jan. 22, 1988
Next Issue: New Series, Vol. 239, No. 4840, Feb. 5, 1988

Front Matter (12 pp.)
Homo photosyntheticus, p. 449

Daniel E. Koshland

Letters

Technology Transfer and Universities, p. 450

James R. Johnson

Timekeeping, p. 450

Ian R. Bartky

Protection of Rights, p. 450

Albert H. Teich

Proposition 65: Implementation, pp. 450-451

Sherwin Gardner

Journal Prices, p. 451

Siegfried Ruschin

Intercontinental Speedster, p. 451

David K. Cairns

Infamy, p. 451

Lawrence Schafer

Erratum: Activation of the HIV-1 LTR by T Cell Mitogens and the Trans-activator Protein of HTLV-I, p. 451
Erratum: Drilling into Surprises beneath an Inyo Crater, p. 451

News & Comment

Bomber Number One, pp. 452-455

Eliot Marshall

Foreign Engineers on Rise, p. 455

John Walsh

Plan to Assess Census Undercounting Dropped, pp. 456-457

Marjorie Sun

AIDS Vaccine Trial Expanded, p. 457

Deborah M. Barnes

J&J Finds a Place in the Sun, p. 457

Leslie Roberts

Briefing

IOM and Soviet Academy Sign First Exchange Pact, p. 458

M.S.

DOE Backs NAS Choices for Super Collider Site, p. 458

M.C.

NAS Delegation Asks Somalis to Free 13, p. 458

C.H.

Animal Stealer Convicted, p. 458

C.H.

A NASA ``Fiasco'', p. 459

Presidential Space Politics, p. 459

Diane Henry

An ``Intellectual Summit'', p. 459

David Dickson

Research News

Supernova 1987 A: Facts and Fancies, pp. 460-462

M. Mitchell Waldrop

Cloning Sheep and Cattle Embryos, pp. 463-464

Jean L. Marx

Solutions to Euler Equation, p. 464

Barry A. Cipra

Egg-Laying in Birds Remains a Hot Issue, p. 465

Roger Lewin

Welfare Dependence within and across Generations, pp. 467-471

Greg J. Duncan; Martha S. Hill; Saul D. Hoffman

Evolution of Polygonal Fracture Patterns in Lava Flows, pp. 471-476

Atilla Aydin; James M. DeGraff

Pathogenesis of Dengue: Challenges to Molecular Biology, pp. 476-481

Scott B. Halstead

Reports

Synthesizing a Color Algorithm from Examples, pp. 482-485

Anya C. Hurlbert; Tomaso A. Poggio

Seawater Strontium Isotopes, Acid Rain, and the Cretaceous-Tertiary Boundary, pp. 485-487

J. D. Macdougall

Primer-Directed Enzymatic Amplification of DNA with a Thermostable DNA Polymerase, pp. 487-491

Randall K. Saiki; David H. Gelfand; Susanne Stoffel; Stephen J. Scharf; Russell Higuchi; Glenn T. Horn; Kary B. Mullis; Henry A. Erlich

Genomic Amplification with Transcript Sequencing, pp. 491-494

E. S. Stoflet; D. D. Koeberl; G. Sarkar; S. S. Sommer

Nuclear Factors in B Lymphoma Enhance Splicing of Mouse Membrane-Bound μ mRNA in Xenopus Oocytes, pp. 494-497

Naoya Tsurushita; Lisa Ho; Laurence Jay Korn

The CD14 Monocyte Differentiation Antigen Maps to a Region Encoding Growth Factors and Receptors, pp. 497-500

Sanna M. Goyert; Enza Ferrero; Wolfgang J. Rettig; Aswani K. Yenamandra; Fumiya Obata; Michelle M. Le Beau

Prevention of Type I Diabetes in Nonbese Diabetic Mice by Virus Infection, pp. 500-502

Michael B. A. Oldstone

Monocyte-Derived Human B-Cell Growth Factor Identified as Interferon-β ₂ (BSF-2, IL-6), pp. 502-504

Giovanna Tosato; Kenneth B. Seamon; Neil D. Goldman; Pravinkumar B. Sehgal; Lester T. May; Glennelle C. Washington; Karen D. Jones; Sandra E. Pike

The Effect of Eurasian Snow Cover on Global Climate, pp. 504-507

T. P. Barnett; L. Dümenil; U. Schlese; E. Roeckner

Book Reviews

Einstein in His Youth, pp. 510-512

The Collected Papers of Albert Einstein

John Stachel

Review author[s]: Peter Loewenberg

The Vertebrates Updated, pp. 512-513

Vertebrate Paleontology and Evolution

Robert L. Carroll

Review author[s]: Malcolm C. McKenna

Oceanic Island Evolution, p. 513

Islands

H. W. Menard

Review author[s]: Marcia McNutt

Microbial Metabolism, pp. 513-514

Phosphate Metabolism and Cellular Regulation in Microorganisms

Annamaria Torriani-Gorini; Frank G. Rothman; Simon Silver; Andrew Wright; Ezra Yagil

Review author[s]: R. T. Vinopal

Back Matter (19 pp.)

Previous Issue: New Series, Vol. 239, No. 4838, Jan. 22, 1988
Next Issue: New Series, Vol. 239, No. 4840, Feb. 5, 1988

Science, New Series, Vol. 239, No. 4840, Feb. 5, 1988

Previous Issue: New Series, Vol. 239, No. 4839, Jan. 29, 1988
Next Issue: New Series, Vol. 239, No. 4841, Feb. 12, 1988

Front Matter (25 pp.)
The AIDS Issue, p. 541

Daniel E. Koshland

Letters

Child Care Dilemma, p. 543

Nancy Ratner; Linda Gaines; David E. Henderson; Susan K. Henderson; Herbert Morawetz

Radar Systems, pp. 543-544

David K. Stumpf

Radar Systems: Response, p. 544

Stephen Budiansky

Rinderpest Campaign in Africa, p. 544

W. N. Masiga

ABM Treaty, p. 544

Mark Goodman

Erratum: Meiotic Recombination in Yeast: Alteration by Multiple Heterozygosities, p. 544
Erratum: Apples, Frogs, and Animal Rights, p. 544
Erratum: Growth in R&D Spending Slows, p. 544
Erratum: Genetic Reconstitution of Functional Acetylcholine Receptor Channels in Mouse Fibroblasts, p. 544

News & Comment

Politics and Soviet Psychiatry, pp. 551-553

Constance Holden

Perot to Fund Scientist-Physicians, p. 554

Barbara J. Culliton

August Shuttle Launch Set, p. 554

Eliot Marshall

Space Policy: No Lift-Off, p. 555

Eliot Marshall

Manned Spaceflight Fails Peer Review, p. 555

David Dickson

Doctored Report Revives Debate on 1957 Mishap, pp. 556-557

David Dickson

Science Lobbying Groups Formed, p. 557

Mark Crawford

Briefing

Biting the Bullet, p. 558

J.W.

Academy/IOM Name AIDS Panel, p. 558

W.B.

Koop Floats a Plan; CDC not Impressed, p. 558

W.B.

AIDS Pamphlet to be Mailed, p. 558

W.B.

Research News

Is the Greenhouse Here?, pp. 559-561

Richard A. Kerr

Molecular Clocks Turn a Quarter Century, pp. 561-563

Roger Lewin

Questions Raised about Anti- Wrinkle Cream, p. 564

Leslie Roberts

AIDS: An International Perspective, pp. 573-579

Peter Piot; Francis A. Plummer; Fred S. Mhalu; Jean-Louis Lamboray; James Chin; Jonathan M. Mann

Legal Rights and Duties in the AIDS Epidemic, pp. 580-586

Bernard M. Dickens

The Brain in AIDS: Central Nervous System HIV-1 Infection and AIDS Dementia Complex, pp. 586-592

Richard W. Price; Bruce Brew; John Sidtis; Marc Rosenblum; Adrienne C. Scheck; Paul Cleary

Education to Prevent AIDS: Prospects and Obstacles, pp. 592-596

Harvey V. Fineberg

Ethical Issues in the Prevention and Treatment of HIV Infection and AIDS, pp. 597-603

LeRoy Walters

The Economic Impact of AIDS in the United States, pp. 604-610

David E. Bloom; Geoffrey Carliner

Epidemiology of HIV Infection and AIDS in the United States, pp. 610-616

James W. Curran; Harold W. Jaffe; Ann M. Hardy; W. Meade Morgan; Richard M. Selik; Timothy J. Dondero

The Human Immunodeficiency Virus: Infectivity and Mechanisms of Pathogenesis, pp. 617-622

Anthony S. Fauci

Reports

Growth of Thin Chemically Bonded Diamondlike Films by Ion Beam Deposition, pp. 623-625

J. Wayne Rabalais; Srinandan Kasi

IRAS 14348-1447, an Ultraluminous Pair of Colliding, Gas-Rich Galaxies: The Birth of a Quasar?, pp. 625-627

D. B. Sanders; N. Z. Scoville; B. T. Soifer

Signal Transduction through the EGF Receptor Transfected in IL-3--Dependent Hematopoietic Cells, pp. 628-631

Jacalyn H. Pierce; Marco Ruggiero; Timothy P. Fleming; Pier Paolo Di Fiore; Joel S. Greenberger; Lyuba Varticovski; Joseph Schlessinger; Giovanni Rovera; Stuart A. Aaronson

Replacements of Pro ⁸⁶ in Phage T4 Lysozyme Extend an α-Helix but do not Alter Protein Stability, pp. 631-635

Tom Alber; Jeffrey A. Bell; Sun Dao-Pin; Hale Nicholson; Joan A. Wozniak; Sean Cook; Brian W. Matthews

Labeling of Neural Cells by Gold-Filled Sendai Virus Envelopes before Intracerebral Transplantation, pp. 635-637

Susan C. Ardizzoni; Allan Michaels; Gary W. Arendash

Cells Process Exogenous Proteins for Recognition by Cytotoxic T Lymphocytes, pp. 637-640

Jonathan W. Yewdell; Jack R. Bennink; Yasuhiro Hosaka

Mitogenesis in Response to PDGF and Bombesin Abolished by Microinjection of Antibody to PIP ₂, pp. 640-643

Koozi Matuoka; Kiyoko Fukami; Osamu Nakanishi; Sadaaki Kawai; Tadaomi Takenawa

Cell-Cell Interactions in the Guidance of Late-Developing Neurons in Caenorhabditis elegans, pp. 643-645

W. W. Walthall; Martin Chalfie

The ras Oncogenes Increase the Intrinsic Resistance of NIH 3T3 Cells to Ionizing Radiation, pp. 645-647

Marshall D. Sklar

Technical Comments

Is Ethanol Antagonist Ro 15-4513 Selective for Ethanol?, pp. 648-649

Karen Thatcher Britton; Cindy L. Ehlers; George F. Koob

Is Ethanol Antagonist Ro 15-4513 Selective for Ethanol?: Response, pp. 649-650

Peter D. Suzdak; John R. Glowa; Jacqueline N. Crawley; Phil Skolnick; Steven M. Paul

AAAS News

Annual Meeting Returns to Boston, pp. 651-652

Joan Wrather

More Museum Benefits Announced, p. 652

Marlene Zendell

Entries Asked for Behavioral Science Research Prize, p. 652

Amendment to AAAS Constitution Adopted, p. 652

Nomination of AAAS Fellows Invited, pp. 652-653

Pacific Division to Meet in Corvallis in June, p. 653

Soviet Scientists to Speak at Annual Meeting, p. 653

Participation of Women and Minorities in Science on Decline, pp. 653-654

Betty M. Vetter

AAAS Radio Program on Mutual, p. 654

Book Reviews

Discrimination Cases, p. 656

Academics in Court

George R. La-Noue; Barbara A. Lee

Review author[s]: Mark G. Yudof

Roots of a Discipline, pp. 656-658

From Mineralogy to Geology

Rachel Laudan

Review author[s]: James A. Secord

Explorations of the Cosmos, p. 658

Observational Cosmology

Adelaide Hewitt; Geoffrey Burbidge; Li Zhi Fang

Review author[s]: Simon White

Biotic Changes, pp. 658-659

Global Bio-Events

Otto H. Walliser

Review author[s]: Karl W. Flessa

Some Other Books of Interest, pp. 659-660

Schrödinger

C. W. Kilmister

Methods in Computational Chemistry

Stephen Wilson

Environmental Radon

C. Richard Cothern; James E. Smith

Review author[s]: K.L.

Back Matter (37 pp.)

Previous Issue: New Series, Vol. 239, No. 4839, Jan. 29, 1988
Next Issue: New Series, Vol. 239, No. 4841, Feb. 12, 1988

Science, New Series, Vol. 239, No. 4841, Feb. 12, 1988

Previous Issue: New Series, Vol. 239, No. 4840, Feb. 5, 1988
Next Issue: New Series, Vol. 239, No. 4842, Feb. 19, 1988

Front Matter (30 pp.)
Science at the Four-Year and Master's Universities, p. 705

Philip H. Abelson

Perspective

U.S. Nuclear Power in the Next Twenty Years, pp. 707-708

Bernard I. Spinrad

Letters

The Meadowcroft Rockshelter, pp. 713-714

J. M. Adovasio; Ronald C. Carlisle

Brainwave Counting, p. 714

William A. Coniglio

Flora Project, p. 714

Michael S. Strauss

Erratum: Egg-laying in Birds Remains a Hot Issue, p. 714

News & Comment

AIDS and Drug Abuse: No Quick Fix, pp. 717-719

William Booth

ARS Prodded into the Open, p. 719

Mark Crawford

Anglo-French Nuclear Missile under Study, pp. 720-721

David Dickson

Briefing

Army Releases Report on Biowarfare Lab, p. 722

C.N.

Investor Takes Major Position in Biotechnica, p. 722

M.C.

Bullish on Genentech, p. 722

M.C.

Beagle Theft at Irvine, p. 722

C.H.

Researcher Held in Kenya, p. 722

C.H.

Patent Claim Buildup Haunts Biotechnology, p. 723

Mark Crawford

NIH Scientists Balk at Random Drug Tests, p. 724

Constance Holden

Research News

Academy Backs Genome Project, pp. 725-726

Leslie Roberts

Pushing Back the Redshift Limit, pp. 727-728

M. Mitchell Waldrop

Was There a Prelude to the Dinosaurs' Demise?, pp. 729-730

Richard A. Kerr

Superconductors Hotter Yet, p. 730

M. Mitchell Waldrop

Causes of the Liability Insurance Crisis, pp. 737-741

Scott Harrington; Robert E. Litan

Diode Laser--Pumped Solid-State Lasers, pp. 742-747

Robert L. Byer

Molecular Phylogeny of the Animal Kingdom, pp. 748-753

Katharine G. Field; Gary J. Olsen; David J. Lane; Stephen J. Giovannoni; Michael T. Ghiselin; Elizabeth C. Raff; Norman R. Pace; Rudolf A. Raff

Glycosyl-Phosphatidylinositol Moiety that Anchors Trypanosoma brucei Variant Surface Glycoprotein to the Membrane, pp. 753-759

Michael A. J. Ferguson; Steve W. Homans; Raymond A. Dwek; Thomas W. Rademacher

Reports

New Asymptotics for Old Wave Equations, pp. 760-762

John R. Klauder

Biologically Effective Ultraviolet Radiation: Surface Measurements in the United States, 1974 to 1985, pp. 762-764

Joseph Scotto; Gerald Cotton; Frederick Urbach; Daniel Berger; Thomas Fears

Capture of Atmospheric Ammonium by Grassland Canopies, pp. 764-765

G. W. Heil; M. J. A. Werger; W. De Mol; D. Van Dam; B. Heijne

Effect of Neonatal Handling on Age-Related Impairments associated with the Hippocampus, pp. 766-768

Michael J. Meaney; David H. Aitken; Chayann Van Berkel; Seema Bhatnagar; Robert M. Sapolsky

A Newly Defined Property of Somatotropin: Priming of Macrophages for Production of Superoxide Anion, pp. 769-771

Carl K. Edwards; Syed M. Ghiasuddin; Jeanette M. Schepper; Libby M. Yunger; Keith W. Kelley

Subset-Specific Expression of Potassium Channels in Developing Murine T Lymphocytes, pp. 771-775

Richard S. Lewis; Michael D. Cahalan

Expression of a Distinctive BCR-ABL Oncogene in Ph ¹ -Positive Acute Lymphocytic Leukemia (ALL), pp. 775-777

Steven S. Clark; Jami McLaughlin; Michael Timmons; Ann Marie Pendergast; Yinon Ben-Neriah; Lois W. Dow; William Crist; Giovanni Rovera; Stephen D. Smith; Owen N. Witte

Effects of Intracellular Free Magnesium on Calcium Current in Isolated Cardiac Myocytes, pp. 778-780

Richard E. White; H. Criss Hartzell

A Fossil Reptile Embryo from the Middle Triassic of the Alps, pp. 780-783

P. Martin Sander

Mesoderm Induction in Amphibians: The Role of TGF-β2--Like Factors, pp. 783-785

Frédéric Rosa; Anita B. Roberts; David Danielpour; Linda L. Dart; Michael B. Sporn; Igor B. Dawid

One Factor Recognizes the Liver-Specific Enhancers in α ₁ -Antitrypsin and Transthyretin Genes, pp. 786-788

Dennis R. Grayson; Robert H. Costa; Kleanthis G. Xanthopoulos; James E. Darnell

Technical Comments

Elevated D ₂ Dopamine Receptors in Drug-Naive Schizophrenics, pp. 789-790

Barry R. Zeeberg; Raymond E. Gibson; Richard C. Reba

Elevated D ₂ Dopamine Receptors in Drug - Naive Schizophrenics: Response, pp. 790-791

Dean F. Wong; Albert Gjedde; Henry M. Wagner; Robert F. Dannals; Jonathan M. Links; Larry E. Tune; Godfrey D. Pearlson

Book Reviews

The Restructuring in Telecommunications, pp. 800-801

The Fall of the Bell System

Peter Temin

Review author[s]: William L. Baldwin

Pharmaceuticals, pp. 801-802

Medical Science and Medical Industry

Jonathan Liebenau

Review author[s]: John W. Servos

Changes in Sea Level, p. 802

Sea Surface Studies

R. J. N. Devoy

Review author[s]: Orrin H. Pilkey

Interstellar Physics, pp. 802-803

Interstellar Processes

David J. Hollenbach; Harley A. Thronson

Physical Processes in Interstellar Clouds

G. E. Morfill; M. Scholer

Review author[s]: Joseph Silk

Back Matter (34 pp.)

Previous Issue: New Series, Vol. 239, No. 4840, Feb. 5, 1988
Next Issue: New Series, Vol. 239, No. 4842, Feb. 19, 1988

Science, New Series, Vol. 239, No. 4842, Feb. 19, 1988

Previous Issue: New Series, Vol. 239, No. 4841, Feb. 12, 1988
Next Issue: New Series, Vol. 239, No. 4843, Feb. 26, 1988

Front Matter (25 pp.)
To Retire or not to Retire, that is the Question, p. 845

Daniel E. Koshland

Letters

Anonymous Charges, p. 847

Lee Loevinger

Stratospheric Ozone, p. 847

Robert T. Watson; Michael J. Prather

Stratospheric Ozone: Response, pp. 847-848

Kenneth P. Bowman

Breast Cancer Study, p. 848

Lewis H. Kuller

A Larger Question?, p. 848

A. C. Hall

Erratum: Spacelab-2 Plasma Depletion Experiments for Ionospheric and Radio Astronomical Studies, p. 848

News & Comment

The Space Shack, pp. 855-857

Eliot Marshall

Briefing

Congress's Handiwork on the R&D Budget, p. 857

M.C.

Press Asks Reprieve for Condemned Somalis, p. 857

C.H.

Industry Lobbies Hard for R&D Tax Credit, pp. 858-859

Mark Crawford

Red Tape and Federal Grants, p. 859

Greg Pearson

SDI Test Takes Measure of Potential Targets, p. 860

Colin Norman

Designs on a National Research Network, p. 861

John Walsh

Reuters to Defy Journal Embargo, p. 862

Constance Holden

Dividing the Pie at NSF, p. 862

John Walsh

Research News

First Portrait of an Oncogene Product, p. 863

Jean L. Marx

New Data Intensify the Agony over Ecstasy, pp. 864-866

Deborah M. Barnes

Heart of Darkness, p. 866

M. Mitchell Waldrop

Sea Urchin Massacre is a Natural Experiment, p. 867

Roger Lewin

The New Eye of Texas is Soon to be upon Us, p. 868

M. Mitchell Waldrop

Recent Progress in the Direct Liquefaction of Coal, pp. 873-877

Robert E. Lumpkin

Cooling, Stopping, and Trapping Atoms, pp. 877-883

William D. Phillips; Phillip L. Gould; Paul D. Lett

Cortical Flow in Animal Cells, pp. 883-888

D. Bray; J. G. White

Three-Dimensional Structure of an Oncogene Protein: Catalytic Domain of Human c-H-ras p21, pp. 888-893

Abraham M. De Vos; Liang Tong; Michael V. Milburn; Pedro M. Matias; Jarmila Jancarik; Shigeru Noguchi; Susumu Nishimura; Kazunobu Miura; Eiko Ohtsuka; Sung-Hou Kim

Reports

Electronic Structure and Valence-Bond Band Structure of Cuprate Superconducting Materials, pp. 896-899

Yuejin Guo; Jean-Marc Langlois; William A. Goddard

The Magnon Pairing Mechanism of Superconductivity in Cuprate Ceramics, pp. 899-902

Guanhua Chen; William A. Goddard

Spectroscopic Evidence for Pressure-Induced Coordination Changes in Silicate Glasses and Melts, pp. 902-905

Quentin Williams; Raymond Jeanloz

Molecular Cloning of a Feline Leukemia Virus that Induces Fatal Immunodeficiency Disease in Cats, pp. 906-910

Julie Overbaugh; Peter R. Donahue; Sandra L. Quackenbush; Edward A. Hoover; James I. Mullins

Site-Directed Mutagenesis of Two Trans-Regulatory Genes (tat-III, trs) of HIV-1, pp. 910-913

M. Reza Sadaie; Thomas Benter; Flossie Wong-Staal

Autocrine Stimulation of Intracellular PDGF Receptors in v-sis-Transformed Cells, pp. 914-916

Mark T. Keating; Lewis T. Williams

Juvenile Hormone Action Mediated in Male Accessory Glands of Drosophila by Calcium and Kinase C, pp. 916-919

Karen Yamamoto; Aline Chadarevian; Maria Pellegrini

Technical Comments

Clathrin: A Matter of Life or Death?, p. 919

Randy Schekman; Gregory Payne

Clathrin: A Matter of Life or Death?: Response, p. 919

Sandra K. Lemmon; Elizabeth W. Jones

Book Reviews

Variance in Academia, pp. 922-923

The Academic Profession

Burton R. Clark

Review author[s]: Alan C. Kerckhoff

Marxism and Soviet Science, p. 923

Science, Philosophy, and Human Behavior in the Soviet Union

Loren R. Graham

Review author[s]: Richard T. De George

Continental Landforms, p. 924

Geomorphic Systems of North America

William L. Graf

Review author[s]: Peter C. Patton

Samples of the Solar System, pp. 924-925

Meteorites and Their Parent Planets

Harry Y. McSween

Review author[s]: Ann M. Vickery

State-of-the-Art Materials, p. 925

Fine Ceramics

Shinroku Saito

Review author[s]: W. D. Kingery

Back Matter (28 pp.)

Previous Issue: New Series, Vol. 239, No. 4841, Feb. 12, 1988
Next Issue: New Series, Vol. 239, No. 4843, Feb. 26, 1988

Science, New Series, Vol. 239, No. 4843, Feb. 26, 1988

Previous Issue: New Series, Vol. 239, No. 4842, Feb. 19, 1988
Next Issue: New Series, Vol. 239, No. 4844, Mar. 4, 1988

Front Matter (16 pp.)
Soviet Science, p. 961

Philip H. Abelson

Letters

Icosahedral Symmetry, p. 963

Linus Pauling

Icosahedral Symmetry: Response, pp. 963-964

Paul J. Steinhardt

Technology Transfer, p. 964

W. Travis Walton

Erratum: Paleolithic Diet, Evolution, and Carcinogens, p. 964
Erratum: Stimulation of Heterotrophic Microplankton Production by Resuspended Marine Sediment, p. 964

News & Comment

R&D Budget Faces High Hurdles, pp. 965-968

Mark Crawford

FDA Queries Alzheimer's Trial Results, p. 969

Jean L. Marx

Second Chance for Rice Research Center, pp. 969-970

John Walsh

Part of AIDS Virus is Patented, p. 970

Marjorie Sun

AAAS Meeting: Science Smorgasbord with Snow, pp. 971-972

W.B.

Monsanto Marker Shows Promise in Field Test, p. 972

M.C.

Baltimore Attacks ``Professional Guardians of the Status Quo'', p. 972

E.M.

China and the Bomb, pp. 972-973

W.B.

Using Forests to Counter the ``Greenhouse Effect'', p. 973

E.M.

A No-Fault Proposal for AIDS High Risks, pp. 973-974

W.B.

Bad Bees Buzz North; USDA Builds Barrier, p. 974

W.B.

Will Receding Budget Strand Science?, p. 974

E.M.

Research News

Cell Growth Control Takes Balance, pp. 975-976

Jean L. Marx

After the Fall, p. 977

M. Mitchell Waldrop

Making Mountains with Lithospheric Drips, pp. 978-979

Richard A. Kerr

Life Histories, Blood Revenge, and Warfare in a Tribal Population, pp. 985-992

Napoleon A. Chagnon

Quantum Mechanics of a Macroscopic Variable: The Phase Difference of a Josephson Junction, pp. 992-997

John Clarke; Andrew N. Cleland; Michel H. Devoret; Daniel Esteve; John M. Martinis

A Spatial-Temporal Model of Cell Activation, pp. 998-1005

Daniel L. Alkon; Howard Rasmussen

A Persistent Untranslated Sequence within Bacteriophage T4 DNA Topoisomerase Gene 60, pp. 1005-1012

Wai Mun Huang; Shi-Zhou Ao; Sherwood Casjens; Richard Orlandi; Regina Zeikus; Robert Weiss; Dennis Winge; Mei Fang

Reports

Scanning Tunneling Microscopy of Freeze-Fracture Replicas of Biomembranes, pp. 1013-1015

Joseph A. N. Zasadzinski; Jason Schneir; John Gurley; Virgil Elings; Paul K. Hansma

A New High-Temperature Superconductor: Bi ₂ Sr _3-x Ca _x Cu ₂ O _8+y, pp. 1015-1017

M. A. Subramanian; C. C. Torardi; J. C. Calabrese; J. Gopalakrishnan; K. J. Morrissey; T. R. Askew; R. B. Flippen; U. Chowdhry; A. W. Sleight

Molecular Cloning of the Zeta Chain of the T Cell Antigen Receptor, pp. 1018-1021

Allan M. Weissman; Michal Baniyash; Damon Hou; Lawrence E. Samelson; Wilson H. Burgess; Richard D. Klausner

Second Conserved Domain of gp120 is Important for HIV Infectivity and Antibody Neutralization, pp. 1021-1023

David D. Ho; Joan C. Kaplan; Indre E. Rackauskas; Mark E. Gurney

Voltage-Sensitive Calcium Channels in Normal and Transformed 3T3 Fibroblasts, pp. 1024-1026

Chinfei Chen; Michael J. Corbley; Thomas M. Roberts; Peter Hess

A Newly Characterized HLA DQ _β Allele Associated with Pemphigus Vulgaris, pp. 1026-1029

Animesh A. Sinha; Chaim Brautbar; Fanny Szafer; Adam Friedmann; Eli Tzfoni; John A. Todd; Lawrence Steinman; Hugh O. McDevitt

Atrial Natriuretic Factor-SV40 T Antigen Transgenes Produce Tumors and Cardiac Arrhythmias in Mice, pp. 1029-1033

Loren J. Field

Modulation of Folding Pathways of Exported Proteins by the Leader Sequence, pp. 1033-1035

Soonhee Park; Gseping Liu; Traci B. Topping; William H. Cover; Linda L. Randall

Donor-Derived Cells in the Central Nervous System of Twitcher Mice after Bone Marrow Transplantation, pp. 1035-1038

Peter M. Hoogerbrugge; Kinuko Suzuki; Kunihiko Suzuki; Ben J. H. M. Poorthuis; Takuro Kobayashi; Gerard Wagemaker; Dirk W. Van Bekkum

Book Reviews

A Drama and Questions, pp. 1039-1040

And the Band Played On

Randy Shilts

Review author[s]: Sandra Panem

Smooth Muscle Function, pp. 1040-1041

Regulation and Contraction of Smooth Muscle

Marion J. Siegman; Andrew P. Somlyo; Newman L. Stephens

Review author[s]: James R. Sellers

Comparative Endocrinology, p. 1041

Hormones and Reproduction in Fishes, Amphibians, and Reptiles

David O. Norris; Richard E. Jones

Review author[s]: Duncan S. MacKenzie

Secularization and Technology, pp. 1041-1042

The Restoration of Perfection

George Ovitt

Review author[s]: Bradford B. Blaine

Back Matter (27 pp.)

Previous Issue: New Series, Vol. 239, No. 4842, Feb. 19, 1988
Next Issue: New Series, Vol. 239, No. 4844, Mar. 4, 1988

Science, New Series, Vol. 239, No. 4844, Mar. 4, 1988

Previous Issue: New Series, Vol. 239, No. 4843, Feb. 26, 1988
Next Issue: New Series, Vol. 239, No. 4845, Mar. 11, 1988

Front Matter (27 pp.)
Science Advice to the Government, p. 1077

Philip H. Abelson

Letters

Homo photosyntheticus: Reaction, p. 1079

Martin L. Stephens; Randall Lockwood

Homo photosyntheticus: Reaction: Response, p. 1079

Daniel E. Koshland; Richard D. Jones

Foreign Graduate Students, p. 1079

Julian C. Stanley; J. V. Martinez

Schistosomiasis Eradication in China, pp. 1079-1080

Fran Conrad

Plastic Wrappers, p. 1080

Joseph F. Petolino; Franklin G. Fisk

Erratum: Recount on Amazon Trees, p. 1080

News & Comment

Science Advice: Back to the Future?, pp. 1082-1083

Colin Norman

The Long, Lost Survey on Sex, pp. 1084-1085

William Booth

Pesticides to be Judged on Leachability, p. 1086

Marjorie Sun

Locusts Find Prime Jumping-off Place, pp. 1086-1087

John Walsh

AIDS Policy in the Making, p. 1087

William Booth

What Perestroika Means for American Business, pp. 1088-1089

Constance Holden

Superconductor Funds Flat, p. 1089

Mark Crawford

Briefing

SSC Site Pick Delayed, p. 1090

M.C.

APA Likely to Sell Psychology Today, p. 1090

C.H.

Howard Hughes Establishes Unit at MIT, p. 1090

B.J.C.

Ukrainian Scientists Protest Nuclear Plans, p. 1090

D.D.

Somalis Escape Execution, p. 1090

C.H.

NAS Opens Japan Office, p. 1090

M.S.

Research News

Orchestrating the Sperm-Egg Summit, pp. 1091-1092

Deborah M. Barnes

Cell Growth Control Comes under Scrutiny, pp. 1093-1094

Jean L. Marx

Insights into Enzyme Function from Studies on Mutants of Dihydrofolate Reductase, pp. 1105-1110

S. J. Benkovic; C. A. Fierke; A. M. Naylor

Manufacturing Innovation and American Industrial Competitiveness, pp. 1110-1115

Stephen S. Cohen; John Zysman

Free-Electron Lasers, pp. 1115-1121

Charles A. Brau

Insertional Mutagenesis of the Drosophila Genome with Single P Elements, pp. 1121-1128

Lynn Cooley; Richard Kelley; Allan Spradling

Reports

Continuing Worldwide Increase in Tropospheric Methane, 1978 to 1987, pp. 1129-1131

Donald R. Blake; F. Sherwood Rowland

Synchrotron X-ray Diffraction Measurements of Single-Crystal Hydrogen to 26.5 Gigapascals, pp. 1131-1134

H. K. Mao; A. P. Jephcoat; R. J. Hemley; L. W. Finger; C. S. Zha; R. M. Hazen; D. E. Cox

A Single Receptor Binds Both Insulin-Like Growth Factor II and Mannose-6-Phosphate, pp. 1134-1137

Richard G. MacDonald; Suzanne R. Pfeffer; Lisa Coussens; Mark A. Tepper; Carol M. Brocklebank; John E. Mole; Jacqueline K. Anderson; Ellson Chen; Michael P. Czech; Axel Ullrich

Estrogen-Dependent in vitro Transcription from the Vitellogenin Promoter in Liver Nuclear Extracts, pp. 1137-1139

Blaise Corthésy; Robert Hipskind; Irène Theulaz; Walter Wahli

Germline Transformation Used to Define Key Features of Heat-Shock Response Elements, pp. 1139-1142

Hua Xiao; John T. Lis

Multipotent Precursors Can Give Rise to All Major Cell Types of the Frog Retina, pp. 1142-1145

Richard Wetts; Scott E. Fraser

A Gene for Dihydrofolate Reductase in a Herpesvirus, pp. 1145-1147

John J. Trimble; Shridhara C. S. Murthy; Anke Bakker; Ralph Grassmann; Ronald C. Desrosiers

Synaptic Reorganization in the Hippocampus Induced by Abnormal Functional Activity, pp. 1147-1150

Thomas Sutula; He Xiao-Xian; Jose Cavazos; Grayson Scott

The Fos Complex and Fos-Related Antigens Recognize Sequence Elements that Contain AP-1 Binding Sites, pp. 1150-1153

B. Robert Franza; Frank J. Rauscher; Steven F. Josephs; Tom Curran

AAAS News

Awards Presented at Annual Meeting, pp. 1156-1158

Joan Wrather

SB&F Reviews High School Texts, p. 1158

Pacific Division Holds R&D Conference, p. 1158

SWARM Meets in Wichita Late this Month, p. 1158

More Museum Benefits for Members, p. 1158

Marlene Zendell

Meetings

Gordon Research Conferences, pp. 1159-1180

Alexander M. Cruickshank

Book Reviews

New Issues for Phylogenetics, pp. 1183-1184

Molecules and Morphology in Evolution

Colin Patterson

Review author[s]: Timothy Rowe

Lighthearted Nomenclature, pp. 1184-1185

Organic Chemistry: The Name Game

Alex Nickon; Ernest F. Silversmith

Review author[s]: O. C. Dermer

Crustal Extension, p. 1185

Continental Extensional Tectonics

M. P. Coward; J. F. Dewey; P. L. Hancock

Review author[s]: David B. Slemmons

A Model Microorganism, pp. 1185-1186

Phycomyces

Enrique Cerdá-Olmedo; Edward D. Lepson

Review author[s]: David H. Griffin

Back Matter (31 pp.)

Previous Issue: New Series, Vol. 239, No. 4843, Feb. 26, 1988
Next Issue: New Series, Vol. 239, No. 4845, Mar. 11, 1988

Science, New Series, Vol. 239, No. 4845, Mar. 11, 1988

Previous Issue: New Series, Vol. 239, No. 4844, Mar. 4, 1988
Next Issue: New Series, Vol. 239, No. 4846, Mar. 18, 1988

Front Matter (37 pp.)
Judicial Impact Statements, p. 1225

Daniel E. Koshland

Letters

EPA Cancer Risk Assessments, p. 1227

Frederica Perera

Refuseniks Still in U.S.S.R., pp. 1227-1228

Joel Lebowitz; Paul Plotz; Dorothy Hirsch

Aurora Hypotheses, p. 1228

Bruce Tsurutani; Robert McPherron; Walter Gonzalez

Murine, not Human, Cell Line, p. 1228

Margaret Ann Liu; Samuel R. Nussbaum; Herman N. Eisen

Erratum: Solutions to Euler Equation, p. 1228

News & Comment

Activists Beset UC, Stanford Labs, pp. 1229-1232

Glennda Chui

Academy Panel Faults NASA's Safety Analysis, p. 1233

Eliot Marshall

A Bloody Battle over an Anemia Treatment, p. 1234

Mark Crawford

Article Embroils JAMA in Ethical Controversy, pp. 1235-1236

Mark Bloom

NTIS: Up for Grabs Again?, pp. 1236-1237

Mark Crawford

U.S. Science Students near Foot of Class, p. 1237

John Walsh

Research News

Whom to Blame for the Great Storm?, pp. 1238-1239

Richard A. Kerr

Modern Human Origins under Close Scrutiny, pp. 1240-1241

Roger Lewin

Zeroing in on the Zeta Zeta Function, pp. 1241-1242

Barry A. Cipra

Thallium Superconductor Reaches 125 K, p. 1243

M. Mitchell Waldrop

A Monkey Virus in Human Clothing, p. 1243

Jean L. Marx

Genetic and Fossil Evidence for the Origin of Modern Humans, pp. 1263-1268

C. B. Stringer; P. Andrews

Structure of the Receptor for Insulin-Like Growth Factor II: The Puzzle Amplified, pp. 1269-1271

Richard A. Roth

Three-Dimensional Structure of Cholera Toxin Penetrating a Lipid Membrane, pp. 1272-1276

Hans O. Ribi; David S. Ludwig; K. Lynne Mercer; Gary K. Schoolnik; Roger D. Kornberg

Overexpression of Low Density Lipoprotein (LDL) Receptor Eliminates LDL from Plasma in Transgenic Mice, pp. 1277-1281

Sandra L. Hofmann; David W. Russell; Michael S. Brown; Joseph L. Goldstein; Robert E. Hammer

Reports

The Motion of Untwisted Untorted Scroll Waves in Belousov-Zhabotinsky Reagent, pp. 1284-1286

James P. Keener; John J. Tyson

A Cesium-Selective Ion Sieve Made by Topotactic Leaching of Phlogopite Mica, pp. 1286-1288

Sridhar Komarneni; Rustum Roy

Generation of cDNA Probes Directed by Amino Acid Sequence: Cloning of Urate Oxidase, pp. 1288-1291

Cheng Chi Lee; Xiangwei Wu; Richard A. Gibbs; Richard G. Cook; Donna M. Muzny; C. Thomas Caskey

Aquatic Productivity and the Evolution of Diadromous Fish Migration, pp. 1291-1293

Mart R. Gross; Ronald M. Coleman; Robert M. McDowall

Nicotinic Antagonists Enhance Process Outgrowth by Rat Retinal Ganglion Cells in Culture, pp. 1293-1296

Stuart A. Lipton; Matthew P. Frosch; Micheal D. Phillips; David L. Tauck; Elias Aizenman

Dynamic Changes in Inhibin Messenger RNAs in Rat Ovarian Follicles during the Reproductive Cycle, pp. 1296-1299

Teresa K. Woodruff; JoBeth D'Agostino; Neena B. Schwartz; Kelly E. Mayo

Alternative Mechanisms for Activation of Human Immunodeficiency Virus Enhancer in T Cells, pp. 1299-1302

Gary J. Nabel; Stephen A. Rice; David M. Knipe; David Baltimore

Regulation of Gene Expression by Interferons: Control of H-2 Promoter Responses, pp. 1302-1306

Bette Korber; Nicolas Mermod; Leroy Hood; Iwona Stroynowski

Salivary Gland Lysates from the Sand Fly Lutzomyia longipalpis Enhance Leishmania Infectivity, pp. 1306-1308

Richard G. Titus; José M. C. Ribeiro

Neural Model of Adaptive Hand-Eye Coordination for Single Postures, pp. 1308-1311

Michael Kuperstein

Gene Encoding the β Subunit of S100 Protein is on Chromosome 21: Implications for Down Syndrome, pp. 1311-1313

R. Allore; D. O'Hanlon; R. Price; K. Neilson; H. F. Willard; D. R. Cox; A. Marks; R. J. Dunn

Technical Comments

ACTH Regulation and IL-1, p. 1313

Akira Arimura

Book Reviews

Problems of American Industry, pp. 1320-1321

The Competitive Challenge

David J. Teece

Review author[s]: Christopher Freeman

Nuclear Waste Disposal, pp. 1321-1322

Nuclear Imperatives and Public Trust

Luther J. Carter

Review author[s]: Dana Isherwood

Response Hierarchies, p. 1322

Higher Brain Functions

Stephen P. Wise

Review author[s]: Steven Petersen

Hosts and Parasites, pp. 1322-1323

Genetics and Plant Pathogenesis

P. R. Day; G. J. Jellis

Populations of Plant Pathogens

M. S. Wolfe; C. E. Caten

Review author[s]: James A. Kolmer

Back Matter (26 pp.)

Previous Issue: New Series, Vol. 239, No. 4844, Mar. 4, 1988
Next Issue: New Series, Vol. 239, No. 4846, Mar. 18, 1988

Science, New Series, Vol. 239, No. 4846, Mar. 18, 1988

Previous Issue: New Series, Vol. 239, No. 4845, Mar. 11, 1988
Next Issue: New Series, Vol. 239, No. 4847, Mar. 25, 1988

Front Matter (19 pp.)
Phenomena at Interfaces, p. 1357

Philip H. Abelson

Letters

Creative Deception, p. 1360

M. E. Bitterman

Creative Deception: Response, p. 1360

Roger Lewin

The IPPNW: A Single-Issue Organization, pp. 1360-1361

Herbert L. Abrams

The IPPNW: A Single-Issue Organization: Response, p. 1361

Constance Holden

Animal Rights, pp. 1361-1362

Robert B. Eckhardt; John David Sinclair

``Macho'' Hours, p. 1362

Alina C. Lopo

News & Comment

The (Private) University of NIH?, pp. 1364-1365

Barbara J. Culliton

Costa Rica's Campaign for Conservation, pp. 1366-1369

Marjorie Sun

Big Science Falters at First Hurdle, p. 1369

Mark Crawford

Human Experiment Roils French Medicine, p. 1370

David Dickson

Briefing

Psychology Today Sold, p. 1371

C.H.

University Labs Find a Place in the Trade Bill, p. 1371

M.C.

Triage of Earth Science Departments in Britain, p. 1371

D.D.

A Plea from the Social Sciences, p. 1371

C.H.

Research News

Comet Source: Close to Neptune, pp. 1372-1373

Richard A. Kerr

Fermat's Theorem Proved?, p. 1373

Barry A. Cipra

Checking the Pulse of PitCon '88, pp. 1374-1378

Deborah M. Barnes

Brain Imaging: Applications in Psychiatry, pp. 1381-1388

Nancy C. Andreasen

Performance Assessment of Radioactive Waste Repositories, pp. 1389-1392

James E. Campbell; Robert M. Cranwell

Parallel Supercomputers for Lattice Gauge Theory, pp. 1393-1400

Frank R. Brown; Norman H. Christ

Activation of Cell-Specific Expression of Rat Growth Hormone and Prolactin Genes by a Common Transcription Factor, pp. 1400-1405

Christian Nelson; Vivian R. Albert; Harry P. Elsholtz; Leslie I.-W. Lu; Michael G. Rosenfeld

Reports

Gas Bubbles in Fossil Amber as Possible Indicators of the Major Gas Composition of Ancient Air, pp. 1406-1409

Robert A. Berner; Gary P. Landis

The 1987 Whittier Narrows Earthquake in the Los Angeles Metropolitan Area, California, pp. 1409-1412

Egill Hauksson; Lucile M. Jones; Thomas L. Davis; L. Katherine Hutton; A. Gerald Brady; Paul A. Reasenberg; Andrew J. Michael; Robert F. Yerkes; Patrick Williams; Glen Reagor; Carl W. Stover; Allison L. Bent; Anthony K. Shakal; Edwin Etheredge; Ronald L. Porcella; Charles G. Bufe; Malcolm J. S. Johnston; Edward Cranswick

RNA as an RNA Polymerase: Net Elongation of an RNA Primer Catalyzed by the Tetrahymena Ribozyme, pp. 1412-1416

Michael D. Been; Thomas R. Cech

Expression of the Murine Duchenne Muscular Dystrophy Gene in Muscle and Brain, pp. 1416-1418

Jeffrey S. Chamberlain; Joel A. Pearlman; Donna M. Muzny; Richard A. Gibbs; Joel E. Ranier; Alice A. Reeves; C. Thomas Caskey

Duchenne Muscular Dystrophy Gene Expression in Normal and Diseased Human Muscle, pp. 1418-1420

M. Oronzi Scott; J. E. Sylvester; T. Heiman-Patterson; Y.-J. Shi; W. Fieles; H. Stedman; A. Burghes; P. Ray; R. Worton; K. H. Fischbeck

Human Immunodeficiency Virus May Encode a Novel Protein on the Genomic DNA Plus Strand, pp. 1420-1422

Roger H. Miller

Localized Dispersal and Recruitment in Great Barrier Reef Corals: The Helix Experiment, pp. 1422-1424

Paul W. Sammarco; John C. Andrews

Anaerobic Dormancy Quantified in Artemia Embryos: A Calorimetric Test of the Control Mechanism, pp. 1425-1427

Steven C. Hand; Erich Gnaiger

Lithium Blocks a Phosphoinositide-Mediated Cholinergic Response in Hippocampal Slices, pp. 1428-1429

Paul F. Worley; William A. Heller; Solomon H. Snyder; Jay M. Baraban

Book Reviews

The State of Marriage, pp. 1434-1435

Contemporary Marriage

Kingsley Davis

Review author[s]: Frank F. Furstenberg

Spoils of War, pp. 1435-1436

The Paperclip Conspiracy

Tom Bower

Review author[s]: Peter Hayes

Radio Days, pp. 1436-1437

Inventing American Broadcasting, 1899-1922

Susan J. Douglas

Review author[s]: George Wise

Back Matter (28 pp.)

Previous Issue: New Series, Vol. 239, No. 4845, Mar. 11, 1988
Next Issue: New Series, Vol. 239, No. 4847, Mar. 25, 1988

Science, New Series, Vol. 239, No. 4847, Mar. 25, 1988

Previous Issue: New Series, Vol. 239, No. 4846, Mar. 18, 1988
Next Issue: New Series, Vol. 240, No. 4848, Apr. 1, 1988

Front Matter (20 pp.)
Women in Science, p. 1473

Daniel E. Koshland

Perspective

PRC Science Students and Scholars Abroad, pp. 1475-1476

Dorothy S. Zinberg

Letters

Behavioral Research and AIDS Prevention, p. 1477

William W. Darrow

Significance of Frog in Amber, pp. 1477-1478

Gregory C. Mayer; James D. Lazell

Significance of Frog in Amber: Response, p. 1478

G. O. Poinar; David C. Cannatella

News & Comment

Fixing NIH: The 110% Solution, pp. 1479-1481

Barbara J. Culliton

Doubts over Fermat Proof, p. 1481

Barry A. Cipra

Briefing

Estimate of Foreign SSC Funds Draws Fire, p. 1482

M.S.

Fail-Safe Mechanism on NSF Future Funding, p. 1482

J.W.

More Money for Costa Rica's Parks, p. 1482

M.S.

Translation Service Throws in the Towel, p. 1482

M.S.

Bonds Required for Tests, p. 1483

M.C.

Ionson to Leave SDI Organization, p. 1483

D.C.

NAE Elects New Members, p. 1483

Report Asks Upgrade of Military R&D Labs, p. 1484

Daniel Charles

A Rebel without a Cause of AIDS, pp. 1485-1488

William Booth

Research News

Stratospheric Ozone is Decreasing, pp. 1489-1491

Richard A. Kerr

Calculus: Crisis Looms in Mathematics' Future, pp. 1491-1492

Barry A. Cipra

Symposium Focuses on Genes in Development, pp. 1493-1494

Jean L. Marx

Formation of the Rocky Mountains, Western United States: A Continuum Computer Model, pp. 1501-1507

Peter Bird

Evolving Legal Standards for the Admissibility of Scientific Evidence, pp. 1508-1512

Bert Black

Dynamic Pattern Generation in Behavioral and Neural Systems, pp. 1513-1520

G. Schöner; J. A. S. Kelso

Volume Information (10 pp.)

Reports

Game Depletion Hypothesis of Amazonian Adaptation: Data from a Native Community, pp. 1521-1522

William T. Vickers

Application of Two-Step Laser Mass Spectrometry to Cosmogeochemistry: Direct Analysis of Meteorites, pp. 1523-1525

Jong Hoon Hahn; Renato Zenobi; Jeffrey L. Bada; Richard N. Zare

Cooperative Hunting in Harris' Hawks (Parabuteo unicinctus), pp. 1525-1527

James C. Bednarz

A New Order of Tertiary Zalambdodont Marsupials, pp. 1528-1531

Michael Archer; Suzanne Hand; Henk Godthelp

The DNA-Binding Properties of the Major Regulatory Protein α4 of Herpes Simplex Viruses, pp. 1531-1534

Nancy Michael; David Spector; Penelope Mavromara-Nazos; Thomas M. Kristie; Bernard Roizman

Reshaping Human Antibodies: Grafting an Antilysozyme Activity, pp. 1534-1536

Martine Verhoeyen; Cesar Milstein; Greg Winter

Peroxisomal Membrane Ghosts in Zellweger Syndrome--Aberrant Organelle Assembly, pp. 1536-1538

M. J. Santos; T. Imanaka; H. Shio; G. M. Small; P. B. Lazarow

The Elastin Receptor: A Galactoside-Binding Protein, pp. 1539-1541

Aleksander Hinek; David S. Wrenn; Robert P. Mecham; Samuel H. Barondes

Selection of Amino Acid Sequences in the Beta Chain of the T Cell Antigen Receptor, pp. 1541-1544

Stephen M. Hedrick; Isaac Engel; David L. McElligott; Pamela J. Fink; Mei-Ling Hsu; Daniel Hansburg; Louis A. Matis

Book Reviews

A Self Shaped and Reshaped, pp. 1545-1546

The Statue within

Francois Jacob

Review author[s]: Gunther S. Stent

Levels of Representation, pp. 1546-1547

Consciousness and the Computational Mind

Ray Jackendoff

Review author[s]: P. N. Johnson-Laird

Vertebrate Phylogeny, pp. 1547-1548

The Biology and Evolution of Lungfishes

William E. Bemis; Warren W. Burggren; Norman E. Kemp

Review author[s]: George V. Lauder

Activity-Dependent Learning, pp. 1549-1550

The Neural and Molecular Bases of Learning

J.-P. Changeux; M. Konishi

Review author[s]: Charles F. Stevens

Back Matter (27 pp.)

Previous Issue: New Series, Vol. 239, No. 4846, Mar. 18, 1988
Next Issue: New Series, Vol. 240, No. 4848, Apr. 1, 1988

Science, New Series, Vol. 240, No. 4848, Apr. 1, 1988

Previous Issue: New Series, Vol. 239, No. 4847, Mar. 25, 1988
Next Issue: New Series, Vol. 240, No. 4849, Apr. 8, 1988

Front Matter (22 pp.)
Research and Development in South Korea, p. 9

Philip H. Abelson

Letters

HIV Infection in the Laboratory, p. 11

Cecil H. Fox; M. Cottler-Fox

HIV Infection in the Laboratory: Response, p. 11

William A. Blattner

Historiographic Distinctions, pp. 11-12

Robert J. Richards

Histographic Distinctions: Response, p. 12

John C. Greene

Primate Research and ``Psychological Well-Being'', p. 12

Douglas M. Bowden

Census Undercount Recommendation, p. 12

Tommy Wright

Erratum: Superconductor Funds Flat., p. 12

News & Comment

Budget Crunch Stalls Super Collider, pp. 17-18

Mark Crawford

Mars Mania and NASA, p. 18

Eliot Marshall

Biomedical Briefing

Institutes Proposed for Deafness, Rehabilitation, p. 19

B.J.C.

It Matters How You Slice the Pie, p. 19

B.J.C.

Hammer Seeks $1 Billion to Cure Cancer, p. 19

B.J.C.

Kennedy Suggests NIH Foundation, p. 19

B.J.C.

New Spy Satellites Urged for Verification, pp. 20-21

Colin Norman

EPA Bars Use of Nazi Data, p. 21

Marjorie Sun

Hopes Recede for Early Ban on Chemical Arms, pp. 22-23

David Dickson

Briefing

Du Pont Backs Phaseout of CFCs, p. 24

M.C.

Wilson to Leave Cornell, p. 24

M.M.W.

Ecstasy Returns to Schedule I, p. 24

D.M.B.

Italy Back in Space, p. 24

D.D.

Research News

Superconductors' Material Problems, pp. 25-27

Robert Pool

Diet and Health in China, p. 27

Leslie Roberts

Troubled Times Ahead for Telescope-Makers, pp. 28-31

M. Mitchell Waldrop

'Ain Ghazal: A Major Neolithic Settlement in Central Jordan, pp. 35-39

Alan H. Simmons; Ilse Köhler-Rollefson; Gary O. Rollefson; Rolfe Mandel; Zeidan Kafafi

Molecular/Organic Ferromagnets, pp. 40-47

Joel S. Miller; Arthur J. Epstein; William M. Reiff

Computers in Molecular Biology: Current Applications and Emerging Trends, pp. 47-52

Charles DeLisi

The Neural Cell Adhesion Molecule (NCAM) as a Regulator of Cell-Cell Interactions, pp. 53-57

Urs Rutishauser; Ann Acheson; Alison K. Hall; Dennis M. Mann; Jeffrey Sunshine

Reports

Short-Lived s-Process Gamma-Ray Lines in Type II Supernovae, pp. 60-62

M. J. Harris

Molecular-Level Control over Surface Order in Self-Assembled Monolayer Films of Thiols on Gold, pp. 62-63

Colin D. Bain; George M. Whitesides

HIV-1 Reverse Transcriptase is a Target for Cytotoxic T Lymphocytes in Infected Individuals, pp. 64-66

Bruce D. Walker; Charles Flexner; Timothy J. Paradis; Thomas C. Fuller; Martin S. Hirsch; Robert T. Schooley; Bernard Moss

The Nasotemporal Division in Primate Retina: The Neural Bases of Macular Sparing and Splitting, pp. 66-67

Audie G. Leventhal; Steven J. Ault; Dagmar J. Vitek

A Mutation in the Catalytic Subunit of cAMP-Dependent Protein Kinase that Disrupts Regulation, pp. 68-70

L. R. Levin; J. Kuret; K. E. Johnson; S. Powers; S. Cameron; T. Michaeli; M. Wigler; M. J. Zoller

Tat Protein from Human Immunodeficiency Virus Forms a Metal-Linked Dimer, pp. 70-73

Alan D. Frankel; David S. Bredt; Carl O. Pabo

Molecular Basis for the Influence of Muscle Length on Myocardial Performance, pp. 74-76

Arvind Babu; Edmund Sonnenblick; Jagdish Gulati

Cone Cell-Specific Genes Expressed in Retinoblastoma, pp. 76-78

E. Bogenmann; M. A. Lochrie; M. I. Simon

Mussel Growth Supported by Methane as Sole Carbon and Energy Source, pp. 78-80

S. Craig Cary; Charles R. Fisher; Horst Felbeck

Biologic Features of HIV-1 that Correlate with Virulence in the Host, pp. 80-82

Cecilia Cheng-Mayer; Deborah Seto; Masatoshi Tateno; Jay A. Levy

AAAS News

Members Help Museums Fulfill Mission, p. 83

Patricia S. Curlin

Listing of Women in Science Groups Gets Update, pp. 83-84

1988 Science Education Directory Available, p. 84

Role Models Sought, p. 84

New Art Show Opens, p. 84

Ethics in Graduate Education Studied, pp. 84-85

Insured Members Enjoy Cost Savings, p. 85

Coming Soon--AAAS Member Survey, p. 85

AAAS, Harvard Hold Science Policy Workshop, p. 85

Ethics Report Begins Publication, p. 85

Obituaries, p. 85

Book Reviews

Cultural Behaviors and Their Sites, pp. 86-87

Method and Theory for Activity Area Research

Susan Kent

Review author[s]: Carol Kramer

Near Eastern Settlement, pp. 87-88

The Archaeology of Western Iran

Frank Hole

Review author[s]: Hans J. Nissen

Social Formations in Africa, pp. 88+92

The African Frontier

Igor Kopytoff

Review author[s]: Elizabeth Colson

Back Matter (25 pp.)

Previous Issue: New Series, Vol. 239, No. 4847, Mar. 25, 1988
Next Issue: New Series, Vol. 240, No. 4849, Apr. 8, 1988

Science, New Series, Vol. 240, No. 4849, Apr. 8, 1988

Previous Issue: New Series, Vol. 240, No. 4848, Apr. 1, 1988
Next Issue: New Series, Vol. 240, No. 4850, Apr. 15, 1988

Front Matter (32 pp.)
The Perfect Money Management System, p. 125

Daniel E. Koshland

Perspective

DNA Looping, pp. 127-128

Robert Schleif

Letters

Judicial Impact Statements, p. 129

James W. Curlin; Bernard H. Goldstein

Retirement Policy, pp. 129-130

M. Brewster Smith

Stunned Sex Interviewers?, p. 130

William R. Gaffey

La Difference?, p. 130

Roland Fischer

Erratum: Behavioral Research and AIDS Prevention., p. 130
Erratum: DNA Amplification for Direction Detetion of HIV-1 in DNA of Peripheral Blood Mononuclear Cells., p. 130

News & Comment

The Scourge of Computer Viruses, pp. 133-134

Eliot Marshall

Biowarfare Lab Faces Mounting Opposition, p. 135

Colin Norman

Designing Food by Engineering Animals, p. 136

Marjorie Sun

Mayor Seeks to Polish the ``S'' in Unesco, pp. 137-138

David Dickson

Severe Fire Devastates Soviet Science Library, pp. 138-139

Marjorie Sun

Laser Team Leaves Stanford for Duke, p. 139

Monte Basgall

Briefing

A Soviet Human Genome Program?, p. 140

D.D.

Census Questions to be Retained, p. 140

C.H.

Nobelists Endorse SSC, p. 140

M.C.

U.S., Japan Hammer out Science Agreement, p. 140

M.S.

Mathematicians Say No to SDI Funding, p. 140

C.N.

Research News

The Race for the Cystic Fibrosis Gene, pp. 141-144

Leslie Roberts

Foreign Gene Transferred into Maize, p. 145

Jean L. Marx

New Superconductors Answer Some Questions, pp. 146-147

Robert Pool

Biological Bases of Childhood Shyness, pp. 167-171

Jerome Kagan; J. Steven Reznick; Nancy Snidman

Studies of Synthetic Polymers by Nonradiative Energy Transfer, pp. 172-176

Herbert Morawetz

Cell and Environment Interactions in Tumor Microregions: The Multicell Spheroid Model, pp. 177-184

Robert M. Sutherland

Multiplex DNA Sequencing, pp. 185-188

George M. Church; Stephen Kieffer-Higgins

Reports

Dynamic Properties of Molecularly Thin Liquid Films, pp. 189-191

Jacob N. Israelachvili; Patricia M. McGuiggan; Andrew M. Homola

Tertiary Structure is a Principal Determinant to Protein Deamidation, pp. 191-194

A. A. Kossiakoff

Electric Field X-ray Scattering Measurements on Tobacco Mosaic Virus, pp. 194-196

M. H. J. Koch; E. Dorrington; R. Kläring; A. M. Michon; Z. Sayers; R. Marquet; C. Houssier

Absence of TGF-β Receptors and Growth Inhibitory Responses in Retinoblastoma Cells, pp. 196-199

Adi Kimchi; Xiao-Fan Wang; Robert A. Weinberg; Sela Cheifetz; Joan Massagué

Genetic and Crystallographic Studies of the 3 ^� , 5 ^� -Exonucleolytic Site of DNA Polymerase I, pp. 199-201

Victoria Derbyshire; Paul S. Freemont; Mark R. Sanderson; Lorena Beese; Jonathan M. Friedman; Catherine M. Joyce; Thomas A. Steitz

A Previously Undetected MHC Gene with an Unusual Periodic Structure, pp. 201-204

Matthieu Lévi-Strauss; Michael C. Carroll; Michael Steinmetz; Tommaso Meo

Genetically Transformed Maize Plants from Protoplasts, pp. 204-207

Carol A. Rhodes; Dorothy A. Pierce; Irvin J. Mettler; Desmond Mascarenhas; Jill J. Detmer

Insecticidal Activity and Lectin Homology of Arcelin Seed Protein, pp. 207-210

Thomas C. Osborn; Danny C. Alexander; Samuel S. M. Sun; Cesar Cardona; Fredrick A. Bliss

2-Aminopurine Selectively Inhibits the Induction of β-interferon c-fos, and c-myc Gene Expression, pp. 210-213

Kai Zinn; Andrew Keller; Lisa-Anne Whittemore; Tom Maniatis

Amiloride Selectively Blocks the Low Threshold (T) Calcium Channel, pp. 213-215

Cha-Min Tang; Fernando Presser; Martin Morad

Maternally Inherited Transposon Excision in Drosophila simulans, pp. 215-217

Glenn J. Bryan; Daniel L. Hartl

Hawaiian Courtship Songs: Evolutionary Innovation in Communication Signals of Drosophila, pp. 217-219

Ronald R. Hoy; Anneli Hoikkala; Kenneth Kaneshiro

Steroid Binding at σ Receptors Suggests a Link between Endocrine, Nervous, and Immune Systems, pp. 219-221

Tsung-Ping Su; Edythe D. London; Jerome H. Jaffe

Technical Comments

Evidence of Lightning and Volcanic Activity on Venus: Pro and Con, pp. 222-224

Frederick L. Scarf; Christopher T. Russell

Evidence of Lightning and Volcanic Activity on Venus: Pro and Con: Response, pp. 224-226

Harry A. Taylor; Paul A. Cloutier

Book Reviews

A Past Embattlement, p. 227

Elites in Conflict

Mary Ann James

Review author[s]: Robert V. Bruce

Particle Physics, p. 227

Expanding Protons

Hung Cheng; Tai Tsun Wu

Review author[s]: F. Zachariasen

Water Transport Mechanisms, p. 228

Water Movement through Lipid Bilayers, Pores, and Plasma Membranes

Alan Finkelstein

Review author[s]: David C. Dawson

Control of Development, pp. 228-229

Developmental Genetics of Higher Organisms

George M. Malacinski

Review author[s]: Paul W. Sternberg

Neural Differentiation, p. 229

From Message to Mind

Stephen S. Easter; Kate F. Barald; Bruce M. Carlson

Review author[s]: William A. Harris

Back Matter (28 pp.)

Previous Issue: New Series, Vol. 240, No. 4848, Apr. 1, 1988
Next Issue: New Series, Vol. 240, No. 4850, Apr. 15, 1988

Science, New Series, Vol. 240, No. 4850, Apr. 15, 1988

Previous Issue: New Series, Vol. 240, No. 4849, Apr. 8, 1988
Next Issue: New Series, Vol. 240, No. 4851, Apr. 22, 1988

Front Matter (14 pp.)
Academic-Industrial Interactions, p. 265

Philip H. Abelson

Perspective

The Protein Folding Problem, pp. 267+344

Thomas E. Creighton

Letters

NIH Drug Tests, p. 268

J. Michael Walsh

NIH Drug Tests: Response, p. 268

Constance Holden

The Windscale Legacy, pp. 268-269

D. Lowry

News & Comment

Breakthrough for Education at NSF?, pp. 271-273

John Walsh

Test Ban Test Back on Track, p. 273

Colin Norman

Voodoo Science, pp. 274-277

William Booth

Japanese Views on Science Compared to U.S. Attitudes, p. 277

Contance Holden

Editorial Changes for Einstein Papers, p. 278

John Walsh

Briefing

Nobel Prizes Go up, p. 279

C.H.

More NAE New Members, p. 279

Duesberg Gets His Day in Court, p. 279

W.B.

Telescope Builder Lured Back to Europe, p. 279

M.M.W.

Research News

Superconductivity: The FAX Factor, pp. 280-281

David F. Voss

Race for Cystic Fibrosis Gene Nears End, pp. 282-285

Leslie Roberts

Hypercube Breaks a Programming Barrier, p. 286

M. Mitchell Waldrop

Adaptability of the U.S. Industrial Relations System, pp. 287-292

Thomas A. Kochan

The Greenhouse Theory of Climate Change: A Test by an Inadvertent Global Experiment, pp. 293-299

V. Ramanathan

Action at a Distance along a DNA, pp. 300-304

James C. Wang; Guri N. Giaever

Tryptophan-Requiring Mutants of the Plant Arabidopsis thaliana, pp. 305-310

Robert L. Last; Gerald R. Fink

Reports

Regulation of Interprotein Electron Transfer by Residue 82 of Yeast Cytochrome c, pp. 311-313

Nong Liang; A. Grant Mauk; Gary J. Pielak; Jeanette A. Johnson; Michael Smith; Brian M. Hoffman

Three-Dimensional Solution Structure of Plastocyanin from the Green Alga Scenedesmus obliquus, pp. 314-317

Jonathan M. Moore; David A. Case; Walter J. Chazin; Garry P. Gippert; Timothy F. Havel; Roy Powls; Peter E. Wright

Yeast HAP2 and HAP3: Transcriptional Activators in a Heteromeric Complex, pp. 317-321

Steven Hahn; Leonard Guarente

Interleukin-1 Immunoreactive Innervation of the Human Hypothalamus, pp. 321-324

Christopher D. Breder; Charles A. Dinarello; Clifford B. Saper

Molecular Cloning of Human and Rat Complementary DNA Encoding Androgen Receptors, pp. 324-326

Chawnshang Chang; John Kokontis; Shutsung Liao

Cloning of Human Androgen Receptor Complementary DNA and Localization to the X Chromosome, pp. 327-330

Dennis B. Lubahn; David R. Joseph; Patrick M. Sullivan; Huntington F. Willard; Frank S. French; Elizabeth M. Wilson

Functional Expression of a New Pharmacological Subtype of Brain Nicotinic Acetylcholine Receptor, pp. 330-334

Keiji Wada; Marc Ballivet; Jim Boulter; John Connolly; Etsuko Wada; Evan S. Deneris; Larry W. Swanson; Steve Heinemann; Jim Patrick

Exon-Intron Organization in Genes of Earthworm and Vertebrate Globins, pp. 334-336

Sissy M. Jhiang; James R. Garey; Austen F. Riggs

Oral Salmonella typhimurium Vaccine Expressing Circumsporozoite Protein Protects against Malaria, pp. 336-338

Jerald C. Sadoff; W. Ripley Ballou; Louis S. Baron; William R. Majarian; Robert N. Brey; Wayne T. Hockmeyer; James F. Young; Stanley J. Cryz; Jonathan Ou; George H. Lowell; Jeffrey D. Chulay

Increased Attention Enhances Both Behavioral and Neuronal Performance, pp. 338-340

Hedva Spitzer; Robert Desimone; Jeffrey Moran

Book Reviews

The Militarization of Physics, pp. 341-342

Historical Studies in the Physical Sciences, vol. 8, part 1

Review author[s]: Karl Hufbauer

Limits on Adaptation, p. 342

Genetic Constraints on Adaptive Evolution

Volker Loeschcke

Review author[s]: Mark Kirkpatrick

Early Precambrian Terrains, pp. 342-343

Evolution of the Lewisian and Comparable Precambrian High Grade Terrains

R. G. Park; J. Tarney

Review author[s]: R. St. J. Lambert

Model Landforms, p. 343

Experimental Fluvial Geomorphology

Stanley A. Schumm; M. Paul Mosley; William E. Weaver

Review author[s]: Rudy Slingerland

Back Matter (21 pp.)

Previous Issue: New Series, Vol. 240, No. 4849, Apr. 8, 1988
Next Issue: New Series, Vol. 240, No. 4851, Apr. 22, 1988

Science, New Series, Vol. 240, No. 4851, Apr. 22, 1988

Previous Issue: New Series, Vol. 240, No. 4850, Apr. 15, 1988
Next Issue: New Series, Vol. 240, No. 4852, Apr. 29, 1988

Front Matter (83 pp.)
Frontiers in Chemistry, p. 373

John I. Brauman

Letters

DNA Databases Monitored, p. 375

Dieter Soll; Ruth L. Kirschstein; Lennart Philipson; Hisao Uchida

Baltimore's ``Fiery Blast'', p. 375

Jonathan H. Cilley

``Lost'' Sex Survey, pp. 375-376

Albert D. Klassen

Erratum: Behavioral Research and AIDS Prevention., p. 376
Erratum: Probing the Authenticity of Antiquities with Highteh Attacks on a Microscale., p. 376
Erratum: New Superconductors Answer Some Questions., p. 376

News & Comment

Sverdlovsk: Anthrax Capital?, pp. 383-385

Eliot Marshall

Science Focuses on the Next Presidency, pp. 385-386

Mark Crawford

Whistle-Blowers Air Cases at House Hearings, pp. 386-387

Constance Holden

Briefing

Academy Opens Center in California, p. 388

W.B.

More NSF Fellowships, p. 388

J.W.

British and French Get Research Prescriptions, pp. 388-389

D.D

EPA Will Keep Old SO ₂ Rules, p. 389

M.S.

What's in an Acronym?, p. 389

D.D.

Research News

Cloud over Parkinson's Therapy, pp. 390-392

Roger Lewin

No Longer Willful, Gaia Becomes Respectable, pp. 393-395

Richard A. Kerr

On the Advantage of Being Different, p. 396

Roger Lewin

Frontiers in Chemistry

Voltammetry with Microscopic Electrodes in New Domains, pp. 415-420

R. Mark Wightman

Stereoselective Organic Reactions: Catalysts for Carbonyl Addition Processes, pp. 420-426

David A. Evans

The Interplay between Chemistry and Biology in the Design of Enzymatic Catalysts, pp. 426-433

P. G. Schultz

Probing Structure-Function Relations in Heme-Containing Oxygenases and Peroxidases, pp. 433-439

John H. Dawson

Intramolecular Long-Distance Electron Transfer in Organic Molecules, pp. 440-447

Gerhard L. Closs; John R. Miller

The Vibrational Spectroscopy and Dynamics of Weakly Bound Neutral Complexes, pp. 447-453

R. E. Miller

Theoretical Studies of the Energetics and Dynamics of Chemical Reactions, pp. 453-459

Thom H. Dunning; Lawrence B. Harding; Albert F. Wagner; George C. Schatz; Joel M. Bowman

Chemical Waves, pp. 460-465

John Ross; Stefan C. Müller; Christian Vidal

Reports

Fabrics in Polar Ice Sheets: Development and Prediction, pp. 493-495

Richard B. Alley

Superconducting and Magnetic Behavior in La _2-x Na _x CuO ₄, pp. 495-497

M. A. Subramanian; J. Gopalakrishnan; C. C. Torardi; T. R. Askew; R. B. Flippen; A. W. Sleight; J. J. Lin; S. J. Poon

Subsidence in the Northeastern Nile Delta: Rapid Rates, Possible Causes, and Consequences, pp. 497-500

Daniel Jean Stanley

Single-Stranded DNA Binding Protein Encoded by the virE Locus of Agrobacterium tumefaciens, pp. 501-504

Vitaly Citovsky; Guido De Vos; Patricia Zambryski

Cleaving DNA at Any Predetermined Site with Adapter-Primers and Class-IIS Restriction Enzymes, pp. 504-506

Sun C. Kim; Anna J. Podhajska; Waclaw Szybalski

Stimulation of RNA and Protein Synthesis by Intracellular Insulin, pp. 506-509

David S. Miller

Phosphatidylinositol-Glycan Anchors of Membrane Proteins: Potential Precursors of Insulin Mediators, pp. 509-511

Guillermo Romero; Louis Luttrell; Alan Rogol; Konrad Zeller; Erik Hewlett; Joseph Larner

A ``Selfish'' B Chromosome that Enhances its Transmission by Eliminating the Paternal Genome, pp. 512-514

Uzi Nur; John H. Werren; Danna G. Eickbush; William D. Burke; Thomas H. Eickbush

Scanning Tunneling Microscopy of recA-DNA Complexes Coated with a Conducting Film, pp. 514-516

M. Amrein; A. Stasiak; H. Gross; E. Stoll; G. Travaglini

Interferon-γ: The Major Mediator of Resistance against Toxoplasma gondii, pp. 516-518

Yasuhiro Suzuki; Manuel A. Orellana; Robert D. Schreiber; Jack S. Remington

Guanosine Triphosphatase Activating Protein (GAP) Interacts with the p21 ras Effector Binding Domain, pp. 518-521

Hedy Adari; Douglas R. Lowy; Berthe M. Willumsen; Channing J. Der; Frank McCormick

Evidence from Cassette Mutagenesis for a Structure-Function Motif in a Protein of Unknown Structure, pp. 521-523

Neil D. Clarke; Donald C. Lien; Paul Schimmel

Independent Molecular Pathways in Initiation and Loss of Hormone Responsiveness of Breast Carcinomas, pp. 524-526

Saraswati Sukumar; Walter P. Carney; Mariano Barbacid

Book Reviews

Food Problems, pp. 547-548

Soviet Agriculture

Zhores Medvedev

Review author[s]: Karen M. Brooks

Archeological Reconstruction, p. 548

Production and Exchange of Stone Tools

Robin Torrence

Review author[s]: Kenneth G. Hirth

The Role of GABA, pp. 548-549

Neurotrophic Activity of GABA during Development

Dianna A. Redburn; Arne Schousboe

Review author[s]: Jeffery L. Barker

Plant Ecology, pp. 549-550

Seed Dispersal

David R. Murray

Review author[s]: D. Lawrence Venable

Back Matter (27 pp.)

Previous Issue: New Series, Vol. 240, No. 4850, Apr. 15, 1988
Next Issue: New Series, Vol. 240, No. 4852, Apr. 29, 1988

Science, New Series, Vol. 240, No. 4852, Apr. 29, 1988

Previous Issue: New Series, Vol. 240, No. 4851, Apr. 22, 1988
Next Issue: New Series, Vol. 240, No. 4853, May 6, 1988

Front Matter (20 pp.)
Science, Journalism, and Whistle-Blowing, p. 585

Daniel E. Koshland

Letters

Computer Searches: Effect on Animal Research, p. 587

Susanne Bennett Clark

The Münchhausen Effect, p. 587

William E. L. Grossman

Impact Assessment, p. 587

Alan L. Porter

Clarification of Donor Status, pp. 587-588

Francis H. Wright

Macho Work Week, p. 588

Linda Gaines

News & Comment

Tight Times for Materials R&D, pp. 593-594

Mark Crawford

Growth of Information Management by Government Pilloried in Report, p. 595

John Walsh

South Africa Blocks AAAS Visit, p. 595

Eliot Marshall

Briefing

Britain Agrees to Spend $470 Million on New European Space Program, p. 596

D.D.

Animal Day, p. 596

C.H.

Supreme Court Denies Plea of Alcoholic Vets, p. 597

C.H.

Heterosexual AIDS: Setting the Odds, p. 597

W.B.

The Big Problem of Brittle Books, pp. 598-600

Marjorie Sun

Briefing

Industrial, Government Cooperation Urged, p. 601

M.C.

Commission to Assess Science and Government, p. 601

C.H.

Acid Rain Said to Threaten Bay, p. 601

M.S.

Research News

Genome Projects Ready to Go, pp. 602-604

Roger Lewin

Advances in Measurement Science, pp. 604-605

Robert Pool

Indoor Radon: The Deadliest Pollutant, pp. 606-608

Richard A. Kerr

The Science of Patterns, pp. 611-616

Lynn Arthur Steen

Microemulsions, pp. 617-621

Manfred Kahlweit

Apolipoprotein E: Cholesterol Transport Protein with Expanding Role in Cell Biology, pp. 622-630

Robert W. Mahley

Reports

Crystal Structure of Tl ₂ Ba ₂ Ca ₂ Cu ₃ O ₁₀ , a 125 K Superconductor, pp. 631-634

C. C. Torardi; M. A. Subramanian; J. C. Calabrese; J. Gopalakrishnan; K. J. Morrissey; T. R. Askew; R. B. Flippen; U. Chowdhry; A. W. Sleight

Stratospheric Response to Trace Gas Perturbations: Changes in Ozone and Temperature Distributions, pp. 634-637

Guy Brasseur; Matthew H. Hitchman

Iron Photoreduction and Oxidation in an Acidic Mountain Stream, pp. 637-640

D. M. McKnight; B. A. Kimball; K. E. Bencala

Toxic DNA Damage by Hydrogen Peroxide through the Fenton Reaction in vivo and in vitro, pp. 640-642

James A. Imlay; Sherman M. Chin; Stuart Linn

Seroprevalence and Epidemiological Correlates of HTLV-I Infection in U.S. Blood Donors, pp. 643-646

Alan E. Williams; Chyang T. Fang; Dennis J. Slamon; Bernard J. Poiesz; S. Gerald Sandler; W. Frederick Darr; Gerald Shulman; Eoline I. McGowan; Deborah K. Douglas; Robert J. Bowman; Frans Peetoom; Steven H. Kleinman; Bruce Lenes; Roger Y. Dodd

Dextran Sulfate Suppression of Viruses in the HIV Family: Inhibition of Virion Binding to CD4 ⁺ Cells, pp. 646-649

Hiroaki Mitsuya; David J. Looney; Sachiko Kuno; Ryuji Ueno; Flossie Wong-Staal; Samuel Broder

Sustained Dendritic Gradients of Ca ²⁺ Induced by Excitatory Amino Acids in CA1 Hippocampal Neurons, pp. 649-653

John A. Connor; Wytse J. Wadman; Philip E. Hockberger; Robert K. S. Wong

Highly Cooperative Opening of Calcium Channels by Inositol 1,4,5-Trisphosphate, pp. 653-656

Tobias Meyer; David Holowka; Lubert Stryer

ADP-Ribosyltransferase Activity of Pertussis Toxin and Immunomodulation by Bordetella pertussis, pp. 656-659

W. J. Black; J. J. Munoz; M. G. Peacock; P. A. Schad; J. L. Cowell; J. J. Burchall; M. Lim; A. Kent; L. Steinman; S. Falkow

Immunotherapy of the Nonobese Diabetic Mouse: Treatment with an Antibody to T-Helper Lymphocytes, pp. 659-662

Judith A. Shizuru; Cariel Taylor-Edwards; Beth Ann Banks; Anita K. Gregory; C. Garrison Fathman

Aggregation of Lysine-Containing Zeins into Protein Bodies in Xenopus Oocytes, pp. 662-664

John C. Wallace; Gad Galili; Evelynn E. Kawata; Richard E. Cuellar; Mark A. Shotwell; Brian A. Larkins

Book Reviews

Ramifications of Technology, pp. 666-667

Technology, the Economy, and Society

Joel Colton; Stuart Bruchey

Review author[s]: David Montgomery

Ancient and Modern Reefs, pp. 667-668

The Evolution of Reef Communities

J. A. Fagerstrom

Review author[s]: James E. Sorauf

Functional Neuroanatomy, p. 668

Arthropod Brain

Ayodhya P. Gupta

Review author[s]: Ronald R. Hoy

Complex Dynamical Objects, pp. 668+670

Structure and Dynamics of Elliptical Galaxies

Tim De Zeeuw

Review author[s]: Richard H. Miller

Back Matter (23 pp.)

Previous Issue: New Series, Vol. 240, No. 4851, Apr. 22, 1988
Next Issue: New Series, Vol. 240, No. 4853, May 6, 1988

Science, New Series, Vol. 240, No. 4853, May 6, 1988

Previous Issue: New Series, Vol. 240, No. 4852, Apr. 29, 1988
Next Issue: New Series, Vol. 240, No. 4854, May 13, 1988

Front Matter (42 pp.)
World Competition in Biotechnology, p. 701

Philip H. Abelson

Letters

College Calculus: How Should it be Taught?, p. 705

Martin M. Greller; Anthony Ralston

The 3 K Microwave Background and Olbers' Paradox, p. 705

Paul Marmet

Biology Teaching, p. 706

Stanley L. Weinberg

Erratum: Budget Crunch Stalls Super Collider., p. 706

News & Comment

Europe Seeks Strategy for Biology, pp. 710-712

David Dickson

Field Test Data Inadequate, OTA Says, p. 712

Mark Crawford

Science Budget Squeeze and the Zero Sum Game, p. 713

Barbara J. Culliton

Anti-Acne Drug Poses Dilemma for FDA, pp. 714-715

Marjorie Sun

Fresh Look at Acid Rain, p. 715

Leslie Roberts

Toxic Waste R&D Effort Stalled, p. 716

Mark Crawford

OECD Sets Guidelines for Cooperation, pp. 716-717

David Dickson

NAS Elects New Members, p. 717

Animals of Invention, p. 718

William Booth

Research News

Obstacles to an AIDS Vaccine, pp. 719-721

Deborah M. Barnes

Mathematics at 100, p. 721

Roger Lewin

Exploiting the Insights from Protein Structure, pp. 722-723

Barbara Jasny

A New Tool Maker in the Hominid Record?, pp. 724-725

Roger Lewin

Segregation of Form, Color, Movement, and Depth: Anatomy, Physiology, and Perception, pp. 740-749

Margaret Livingstone; David Hubel

Supernova 1987A!, pp. 750-759

S. E. Woosley; M. M. Phillips

The Design of Molecular Hosts, Guests, and Their Complexes, pp. 760-767

Donald J. Cram

Visualizing Gene Expression in Time and Space in the Filamentous Bacterium Streptomyces coelicolor, pp. 768-772

Alan Schauer; Monica Ranes; Ramon Santamaria; Jose Guijarro; Elizabeth Lawlor; Carmen Mendez; Keith Chater; Richard Losick

Reports

Direct Observation of the Femtosecond Excited-State cis-trans Isomerization in Bacteriorhodopsin, pp. 777-779

Richard A. Mathies; C. H. Brito Cruz; Walter T. Pollard; Charles V. Shank

The Nature of the Interior of Uranus Based on Studies of Planetary Ices at High Dynamic Pressure, pp. 779-781

W. J. Nellis; D. C. Hamilton; N. C. Holmes; H. B. Radousky; F. H. Ree; A. C. Mitchell; M. Nicol

Hand of Paranthropus robustus from Member 1, Swartkrans: Fossil Evidence for Tool Behavior, pp. 781-784

Randall L. Susman

Insulin-Resistant Diabetes Due to a Point Mutation that Prevents Insulin Proreceptor Processing, pp. 784-787

Yasunao Yoshimasa; Susumu Seino; Jonathan Whittaker; Takako Kakehi; Atsushi Kosaki; Hideshi Kuzuya; Hiroo Imura; Graeme I. Bell; Donald F. Steiner

Two Mutant Alleles of the Insulin Receptor Gene in a Patient with Extreme Insulin Resistance, pp. 787-790

Takashi Kadowaki; Charles L. Bevins; Alessandro Cama; Kaie Ojamaa; Bernice Marcus-Samuels; Hiroko Kadowaki; Laurie Beitz; Catherine McKeon; Simeon I. Taylor

Translocation and Rearrangement of Myeloperoxidase Gene in Acute Promyelocytic Leukemia, pp. 790-792

Susan C. Weil; Gayle L. Rosner; Martha S. Reid; Rex L. Chisholm; Richard S. Lemons; Maurice S. Swanson; John J. Carrino; Manuel O. Diaz; Michelle M. Le Beau

Changing the Identity of a tRNA by Introducing a G-U Wobble Pair near the 3 ^� Acceptor End, pp. 793-796

William H. McClain; K. Foss

Middle Mississippian Blastoid Extinction Event, pp. 796-798

William I. Ausich; David L. Meyer; Johnny A. Waters

Directional Selection and the Evolution of Breeding Date in Birds, pp. 798-799

Trevor Price; Mark Kirkpatrick; Stevan J. Arnold

Proteosome-Lipopeptide Vaccines: Enhancement of Immunogenicity for Malaria CS Peptides, pp. 800-802

George H. Lowell; W. Ripley Ballou; Lynette F. Smith; Robert A. Wirtz; Wendell D. Zollinger; Wayne T. Hockmeyer

Technical Comments

New Zealand Marine Terraces: Uplift Rates, pp. 803-804

C. M. Ward

New Zealand Marine Terraces: Uplift Rates: Response, pp. 804-805

William B. Bull; A. F. Cooper

Guanylate Cyclase and the Adrenal Natriuretic Factor Receptor, p. 805

Scott A. Waldman; Dale C. Leitman; Jeff Andresen; Ferid Murad

Guanylate Cyclase and the Adrenal Natriuretic Factor Receptor: Response, pp. 805-806

Rameshwar K. Sharma

AAAS News

AAAS-African Programs under Way, p. 807

Amy Auerbacher Wilson; Lisbeth A. Levey

Forum to Focus on Science Teaching, pp. 807-808

Pacific Division Meets in Corvallis, 18 to 22 June, p. 808

Call for Nominations, p. 808

Reminder for Members, p. 808

Regional Seminar Focuses on Caribbean Science and Technology, pp. 808-809

Obituaries, p. 809

AAAS Council Meeting, 1988, pp. 809-812

Marge White

AAAS Members Elected as Fellows on 15 February 1988, pp. 810-811

Book Reviews

Health Care Assessment, p. 817

Hospital Structure and Performance

Ann Barry Flood; W. Richard Scott; Byron W. Brown

Review author[s]: Mary L. Fennell

Ceramics in Archeology, pp. 818-819

Pottery Analysis

Prudence M. Rice

Review author[s]: Robert L. Rands

African Rifts, p. 819

Sedimentation in the African Rifts

L. E. Frostick; R. W. Renaut; J. Reid; J. J. Tiercelin

Review author[s]: Robert G. Coleman

Terrains under Water, p. 819

Geology and Geochemistry of Abyssal Plains

P. P. E. Weaver; J. Thomson

Review author[s]: Dale E. Buckley

Software Reviews

PC Software for Artificial Intelligence Applications, pp. 824-830

Review author[s]: Helmut Epp; Martin Kalin; David Miller

Back Matter (26 pp.)

Previous Issue: New Series, Vol. 240, No. 4852, Apr. 29, 1988
Next Issue: New Series, Vol. 240, No. 4854, May 13, 1988

Science, New Series, Vol. 240, No. 4854, May 13, 1988

Previous Issue: New Series, Vol. 240, No. 4853, May 6, 1988
Next Issue: New Series, Vol. 240, No. 4855, May 20, 1988

Front Matter (17 pp.)
Competitiveness: A Long-Enduring Problem, p. 865

Philip H. Abelson

Letters

Kinsey Sex Surveys, p. 867

June Machover Reinisch; Paul Cameron

AIDS Education, pp. 867-868

Alan I. Trachtenberg; Stephen B. Hulley; Edward H. Kaplan

Erratum: Duesberg Gets His Day in Court., p. 868

News & Comment

NIH Firing: A Shot across the Bow?, pp. 869-870

William Booth

Is China Cutting Back on Overseas Students?, pp. 871-872

Marjorie Sun

Big Flap over a Small Space Station, pp. 872-873

Eliot Marshall

Duke, NSF Reach Accord, p. 873

Monte Basgall

Labs Struggle to Promote Spin-Offs, pp. 874-876

Daniel Charles

Crafoord Prize Winner Abstains, p. 876

David Dickson

Briefing

Genentech Sets up Research Foundation, p. 877

M.S.

Chernobyl Area to be Ecological Reserve, p. 877

D.D.

Science at Duke in Black and White, p. 877

G.B.

Wistar Proposes U.S. Test of Rabies Vaccine, p. 877

M.C.

Research News

Watson May Head Genome Office, pp. 878-879

Leslie Roberts

Brain Graft Puzzles, p. 879

Roger Lewin

Evolution's Link to Development Explored, pp. 880-882

Jean L. Marx

The Weather in the Wake of E1 Niño, p. 883

Richard A. Kerr

Why is the World Full of Large Females?, p. 884

Roger Lewin

The Steroid and Thyroid Hormone Receptor Superfamily, pp. 889-895

Ronald M. Evans

Global Sea Level and Earth Rotation, pp. 895-901

W. R. Peltier

Synaptic Rearrangement during Postembryonic Development in the Cricket, pp. 901-905

A. Chiba; D. Shepherd; R. K. Murphey

Reports

A Model of Solar Luminosity Modulation by Magnetic Activity between 1954 and 1984, pp. 906-908

J. Lean; P. Foukal

Protein Carbon-13 Spin Systems by a Single Two-Dimensional Nuclear Magnetic Resonance Experiment, pp. 908-911

Byung Ha Oh; William M. Westler; Prashanth Darba; John L. Markley

Calpain II Involvement in Mitosis, pp. 911-913

Judith E. Schollmeyer

Identification and Characterization of a Neuron-Specific Nuclear Antigen in Drosophila, pp. 913-916

Ethan Bier; Larry Ackerman; Sandra Barbel; Lily Jan; Yuh Nung Jan

HTLV-II Transactivation is Regulated by the Overlapping tax/rex Nonstructural Genes, pp. 916-919

Joseph D. Rosenblatt; Alan J. Cann; Dennis J. Slamon; Ira S. Smalberg; Neil P. Shah; Joyce Fujii; William Wachsman; Irvin S. Y. Chen

Reduction of Naturally Occurring Motoneuron Death in Vivo by a Target-Derived Neurotrophic Factor, pp. 919-922

Ronald W. Oppenheim; Lanny J. Haverkamp; David Prevette; James L. McManaman; Stanley H. Appel

Theoretical Studies of DNA during Gel Electrophoresis, pp. 922-924

J. M. Deutsch

Iron-Responsive Elements: Regulatory RNA Sequences that Control mRNA Levels and Translation, pp. 924-928

John L. Casey; Matthias W. Hentze; David M. Koeller; S. Wright Caughman; Tracey A. Rouault; Richard D. Klausner; Joe B. Harford

Book Reviews

Japanese Medicine, pp. 930-931

Health, Illness, and Medical Care in Japan

Edward Norbeck; Margaret Lock

Review author[s]: Patricia G. Steinhoff

Computer Pioneers, pp. 931-932

The First Electronic Computer

Alice R. Burks; Arthur W. Burks

Review author[s]: Paul E. Ceruzzi

Immune Regulation, p. 932

Recombinant Lymphokines and Their Receptors

Steven Gillis

Review author[s]: Warren J. Leonard

Techniques for Ecologists, pp. 932-933

Developments in Numerical Ecology

Pierre Legendre; Louis Legendre

Review author[s]: Mark Williamson

Back Matter (24 pp.)

Previous Issue: New Series, Vol. 240, No. 4853, May 6, 1988
Next Issue: New Series, Vol. 240, No. 4855, May 20, 1988

Science, New Series, Vol. 240, No. 4855, May 20, 1988

Previous Issue: New Series, Vol. 240, No. 4854, May 13, 1988
Next Issue: New Series, Vol. 240, No. 4856, May 27, 1988

Front Matter (16 pp.)
Setting Priorities in Science, p. 965

Daniel E. Koshland

Policy Forum

Crisis in Biosystematics of Arthropods, p. 967

James H. Oliver

Letters

Fraud Allegations, p. 968

Henry H. Wortis; Brigitte T. Huber; Robert T. Woodland

PRC Students Abroad, pp. 968-969

Xin Hao; Peter Suedfeld

Estimates of Species Duration, p. 969

Michael P. Russell; David R. Lindberg

Estimates of Species Duration: Response, p. 969

David Jablonski

News & Comment

Testing the Limits at Mach 25, pp. 973-975

David C. Morrison

A Change of Heart, p. 976

William Booth

Rethinking Technology's Role in Economic Change, p. 977

Colin Norman

Giving the Muse a Helping Hand, pp. 978-979

John Walsh

Briefing

NSF Appoints Two Assistant Directors, p. 980

J.W.

Legislating Labs as Drug-Free Workplaces, p. 980

J.W.

Soviet Satellite in Trouble; Groups Call for Ban on Orbiting Reactors, p. 980

C.N.

National Science Board Elects Good and Day, p. 980

J.W.

Curien Returns as French Science Minister, pp. 980-981

D.D.

Biological Defense Defended, p. 981

Colin Norman

Research News

Chromosomes: The Ends in View, pp. 982-983

Leslie Roberts

A Revolution of Ideas in Agricultural Origins, pp. 984-986

Roger Lewin

Pluto's Orbital Motion Looks Chaotic, pp. 986-987

Richard A. Kerr

Sampling Rare and Elusive Populations, pp. 991-996

Seymour Sudman; Monroe G. Sirken; Charles D. Cowan

Abrupt Climate Change and Extinction Events in Earth History, pp. 996-1002

Thomas J. Crowley; Gerald R. North

A Molecular Basis for MHC Class II--Associated Autoimmunity, pp. 1003-1009

John A. Todd; Hans Acha-Orbea; John I. Bell; Nelson Chao; Zdenka Fronek; Chaim O. Jacob; Michael McDermott; Animesh A. Sinha; Luika Timmerman; Lawrence Steinman; Hugh O. McDevitt

Fos-Associated Protein p39 is the Product of the jun Proto-Oncogene, pp. 1010-1016

Frank J. Rauscher III; Donna R. Cohen; Tom Curran; Timothy J. Bos; Peter K. Vogt; Dirk Bohmann; Robert Tjian; B. Robert Franza

Reports

Aluminum-Induced Calcium Deficiency Syndrome in Declining Red Spruce, pp. 1017-1018

Walter C. Shortle; Kevin T. Smith

Antarctic Ozone Depletion Chemistry: Reactions of N ₂ O ₅ with H ₂ O and HCl on Ice Surfaces, pp. 1018-1021

Margaret A. Tolbert; Michel J. Rossi; David M. Golden

Evidence for Highly Reflecting Materials on the Surface and Subsurface of Venus, pp. 1021-1023

R. F. Jurgens; M. A. Slade; R. S. Saunders

Radioimmunotherapy with Alpha-Particle--Emitting Immunoconjugates, pp. 1024-1026

Roger M. Macklis; Berma M. Kinsey; Amin I. Kassis; James L. M. Ferrara; Robert W. Atcher; John J. Hines; C. Norman Coleman; S. James Adelstein; Steven J. Burakoff

HIV-1 Production from Infected Peripheral Blood T Cells after HTLV-I Induced Mitogenic Stimulation, pp. 1026-1029

Jerome A. Zack; Alan J. Cann; James P. Lugo; Irvin S. Y. Chen

Early Signal Transduction by the Antigen Receptor without Commitment to T Cell Activation, pp. 1029-1031

Mark A. Goldsmith; Arthur Weiss

Essential Fatty Acid Depletion of Renal Allografts and Prevention of Rejection, pp. 1032-1033

George F. Schreiner; Wayne Flye; Elizabeth Brunt; Ken Korber; James B. Lefkowith

Inhibition of Self-Binding Antibodies (Autobodies) by a V _H -Derived Peptide, pp. 1034-1036

Chang-Yuil Kang; Terry K. Brunck; Thomas Kieber-Emmons; J. Edwin Blalock; Heinz Kohler

Aldolase Activity of a Plasmodium falciparum Protein with Protective Properties, pp. 1036-1038

Ulrich Certa; Paola Ghersa; Heinz Döbeli; Hugues Matile; Hans P. Kocher; Indresh K. Shrivastava; Alan R. Shaw; Luc H. Perrin

Assembly of a Functional Immunoglobulin F _v Fragment in Escherichia coli, pp. 1038-1041

Arne Skerra; Andreas Plückthun

Escherichia coli Secretion of an Active Chimeric Antibody Fragment, pp. 1041-1043

Marc Better; C. Paul Chang; Randy R. Robinson; Arnold H. Horwitz

Technical Comments

Carcinogenic Risk Estimation, pp. 1043-1045

Samuel S. Epstein; Joel B. Swartz

Carcinogenic Risk Estimation: Response, pp. 1045-1047

Bruce N. Ames; Lois Swirsky Gold

Book Reviews

Rejected Enlightenment

----------------, p. 1048

Cult Archaeology and Creationism

Francis B. Harrold; Raymond A. Eve

Review author[s]: William Sims Bainbridge

An Equivocal Heritage, pp. 1049-1050

Darwin's Forgotten Defenders

David N. Livingstone

Review author[s]: James R. Moore

Relativity as a World View, pp. 1050-1051

The Comparative Reception of Relativity

Thomas F. Glick

Review author[s]: Helge Kragh

Apocalyptic Imagery, pp. 1051-1052

Nuclear Fear

Spencer R. Weart

Review author[s]: H. Bruce Franklin

Chemistry at War, pp. 1052-1053

Industry and Ideology

Peter Hayes

Review author[s]: Ray Stokes

German Eugenics, p. 1053

Race Hygiene and National Efficiency

Sheila Faith Weiss

Review author[s]: Mark Walker

Directions in Medicine

----------------, pp. 1054-1055

American Medical Schools and the Practice of Medicine

William G. Rothstein

Review author[s]: James F. Fries

Crisis Management, p. 1055

The AIDS Bureaucracy

Sandra Panem

Review author[s]: Linda H. Aiken

A Service Profession, pp. 1055-1056

Beyond Monopoly

Terence C. Halliday

Review author[s]: Paul Carrington

Struggles over Education, pp. 1056-1057

Law and the Shaping of Public Education, 1785-1954

David Tyack; Thomas James; Aaron Benavot

Review author[s]: Hendrik Hartog

An Enterprise of Social Science

----------------, pp. 1057-1059

Survey Research in the United States

Jean M. Converse

Review author[s]: Barbara Bailar

Immigration from Mexico, pp. 1059-1060

Return to Aztlan

Douglas S. Massey; Rafael Alarcón; Jorge Durand; Humberto González

Review author[s]: Teresa Sullivan

Life-Course Trajectories, pp. 1060-1061

Adolescent Mothers in Later Life

Frank F. Furstenberg; J. Brooks-Gunn; S. Philip Morgan

Review author[s]: Jeylan T. Mortimer

A Partly Social Disorder, p. 1061

Fasting Girls

Joan Jacobs Brumberg

Review author[s]: Lois W. Banner

Responses to Automation

----------------, pp. 1061-1063

Workers, Managers, and Technological Change

Daniel B. Cornfield

Review author[s]: William Finlay

Women's Positions, pp. 1063-1064

Women, Work, and Technology

Barbara Drygulski Wright

Review author[s]: Louise A. Tilly

Short-Lived Opportunities, pp. 1064-1065

Gender at Work

Ruth Milkman

Review author[s]: Deborah Scott Hirshfield

Career of a Physicist

----------------, pp. 1065-1066

Alvarez

Luis W. Alvarez

Discovering Alvarez

W. Peter Trower

Review author[s]: Robert L. Walker

A Biochemist in America, pp. 1066-1067

In Quest of Panacea

S. P. K. Gupta; Edgar L. Milford

Review author[s]: Joseph S. Fruton

Private Glimpses, p. 1067

Simple Curiosity

Leo F. Laporte

Review author[s]: S. David Webb

Departures from Symmetry

----------------, pp. 1068-1069

The Physics of Time Reversal

Robert G. Sachs

Review author[s]: P. K. Kabir

Newton Tercentenary, pp. 1069-1070

Three Hundred Years of Gravitation

S. W. Hawking; W. Israel

Review author[s]: Leonard Parker

A Natural Resource

----------------, pp. 1070-1071

Georges Bank

Richard H. Backus

Review author[s]: Patrick M. Holligan; David W. Townsend

Subterranean Systems, pp. 1071-1072

Paleokarst

N. P. James; P. W. Choquette

Review author[s]: Gerald M. Friedman

Biography of Our Planet, p. 1072

Oasis in Space

Preston Cloud

Review author[s]: Euan Nisbet

Sexual Reproduction

----------------, pp. 1072-1073

The Evolution of Sex

Richard E. Michod; Bruce R. Levin

Review author[s]: Brian Charlesworth

A Theoretical Framework, pp. 1073-1074

The Evolution of Individuality

Leo W. Buss

Review author[s]: Michael LaBarbera

A Sole Survivor, pp. 1074-1075

The Natural History of Nautilus

Peter Douglas Ward

Nautilus

W. Bruce Saunders; Neil H. Landman

Review author[s]: Geerat J. Vermeij

Unusual Fishes, p. 1075

Frogfishes of the World

Theodore W. Pietsch; David B. Grobecker

Review author[s]: William F. Smith-Vaniz

Islands of the Dodo, p. 1076

Studies of Mascarene Island Birds

A. W. Diamond

Review author[s]: Frank B. Gill

Primatology

----------------, pp. 1076-1078

Primate Societies

Barbara B. Smuts; Dorothy L. Cheney; Robert M. Seyfarth; Richard W. Wrangham; Thomas T. Struhsaker

Review author[s]: Jeanne Altmann

Dreams as Behaviour

----------------, pp. 1078-1079

The Dreaming Brain

J. Allan Hobson

Review author[s]: Robert Y. Moore

Learning in Simple Systems, pp. 1079-1080

Memory Traces in the Brain

Daniel L. Alkon

Review author[s]: Michel Baudry

Contending with Language, pp. 1080-1082

Cultural Models in Language and Thought

Dorothy Holland; Naomi Quinn

Discourse and the Social Life of Meaning

Phyllis Pease Chock; June R. Wyman

Review author[s]: Vincent Crapanzano

Commons Viewed Ethnographically

----------------, pp. 1082-1083

The Question of the Commons

Bonnie J. McCay; James M. Acheson

Review author[s]: Bruce Winterhalder

Behavior with Tools, pp. 1083-1084

Lithic Studies among the Contemporary Highland Maya

Brian Hayden

Stone Tool Use at Cerros

Suzanne M. Lewenstein

Review author[s]: John E. Clark

The American Depopulation, pp. 1084-1085

Vectors of Death

Ann F. Ramenofsky

Review author[s]: George R. Milner

Historical Remains, pp. 1085-1086

The Walnut Street Prison Workshop

John L. Cotter; Roger W. Moss; Bruce C. Gill; Jiyul Kim

Review author[s]: Mark P. Leone

Back Matter (27 pp.)

Previous Issue: New Series, Vol. 240, No. 4854, May 13, 1988
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