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Science, New Series, Vol. 243, No. 4889, Jan. 20, 1989


Previous Issue: New Series, Vol. 243, No. 4888, Jan. 13, 1989
Next Issue: New Series, Vol. 243, No. 4890, Jan. 27, 1989


Front Matter (61 pp.)
A Tax on Sin: The Six-Cylinder Car, p. 281
Daniel E. Koshland


Letters
Cornell Cat Study, p. 283
Richard L. Malvin; Adrian R. Morrison; John M. Heinen
Ensuring Competitiveness, p. 283
Margaret A. Flanagan
Ecology Funding, p. 283
Paul C. James
Meta-Analysis, pp. 283-284
Thomas C. Chalmers
Dues Increase Announced, p. 284


News & Comment
Chemical Arms Ban Still Uncertain, pp. 301-302
David Dickson
Fusion Chief Reassigned as Program is Refocused, p. 303
Mark Crawford
Asking America about its Sex Life, p. 304
William Booth
Bomb Factories of the 21st Century, p. 305
Eliot Marshall
How to Handle Misconduct Allegations, p. 305
Colin Norman
A Corrosive Fight over California's Toxics Law, pp. 306-309
Leslie Roberts
Watkins Named Energy Secretary, p. 309
Mark Crawford


Research News
Ecologists Flirt with Chaos, pp. 310-313
Robert Pool
Troubles Encountered in Gene Linkage Land, pp. 313-314
Deborah M. Barnes
More Math Means More Money, p. 314
Barry A. Cipra
Getting to the Heart of Genetic Disease, pp. 315-316
Jean L. Marx
Random Samples, p. 317
Gregory Byrne


Prevalence and Patterns of Same-Gender Sexual Contact among Men, pp. 338-348
Robert E. Fay; Charles F. Turner; Albert D. Klassen; John H. Gagnon

Levitation in Physics, pp. 349-355
E. H. Brandt

Contingent Genetic Regulatory Events in T Lymphocyte Activation, pp. 355-361
Gerald R. Crabtree


Reports
Pheromone-Mediation of Host-Selection in Bont Ticks (Amblyomma hebraeum Koch), pp. 364-365
R. A. I. Norval; Howard R. Andrew; C. E. Yunker
The Perception of Intention, pp. 365-367
Verena Dasser; Ib Ulbaek; David Premack
Composition of the Earth, pp. 367-370
Don L. Anderson
Direct Observation of Native DNA Structures with the Scanning Tunneling Microscope, pp. 370-372
Thomas P. Beebe; Troy E. Wilson; D. Frank Ogletree; Joseph E. Katz; Rod Balhorn; Miquel B. Salmeron; Wigbert J. Siekhaus
Expression of Functional Nerve Growth Factor Receptors after Gene Transfer, pp. 373-375
Barbara L. Hempstead; Leonard S. Schleifer; Moses V. Chao
Increased Expression of DNA Cointroduced with Nuclear Protein in Adult Rat Liver, pp. 375-378
Yasufumi Kaneda; Kunimitsu Iwai; Tsuyoshi Uchida
Isolation and Expression of Functional High-Affinity Fc Receptor Complementary DNAs, pp. 378-381
Janet M. Allen; Brian Seed
The Involvement of Platelet Activating Factor in Ovulation, pp. 381-383
Akinwunmi O. Abisogun; Pierre Braquet; Alex Tsafriri
Atrial Natriuretic Peptide Inhibits a Cation Channel in Renal Inner Medullary Collecting Duct Cells, pp. 383-385
Douglas B. Light; Erik M. Schwiebert; Katherine H. Karlson; Bruce A. Stanton
Molecular Cloning of Genes under Control of the Circadian Clock in Neurospora, pp. 385-388
Jennifer J. Loros; Sylvia A. Denome; Jay C. Dunlap
Treatment with Tin Prevents the Development of Hypertension in Spontaneously Hypertensive Rats, pp. 388-390
David Sacerdoti; Bruno Escalante; Nader G. Abraham; John C. McGiff; Richard D. Levere; Michal L. Schwartzman
Plasticity and Differentiation of Embryonic Retinal Cells after Terminal Mitosis, pp. 391-393
Ruben Adler; Michael Hatlee
Interleukin-1 Mitogenic Activity for Fibroblasts and Smooth Muscle Cells is Due to PDGF-AA, pp. 393-396
Elaine W. Raines; Steven K. Dower; Russell Ross
Secretion of Activin by Interstitial Cells in the Testis, pp. 396-398
Will Lee; Anthony J. Mason; Ralph Schwall; Eva Szonyi; Jennie P. Mather
Role for Excitatory Amino Acids in Methamphetamine-Induced Nigrostriatal Dopaminergic Toxicity, pp. 398-400
Patricia K. Sonsalla; William J. Nicklas; Richard E. Heikkila


Book Reviews
Germplasm as Property, pp. 412-413
First the Seed
Jack Ralph Kloppenburg
Review author[s]: Robert J. Thomas
The Nuclear Freeze Campaign, pp. 413-414
From Protest to Policy
Pam Solo
Review author[s]: William A. Gamson
Ideals of Psychologists, p. 414
The Rise of Experimentation in American Psychology
Jill G. Morawski
Review author[s]: Henrika Kuklick
Social Science in Law, pp. 414-416
Reforming the Law
Gary B. Melton
Review author[s]: Peggy C. Davis


Back Matter (37 pp.)

Previous Issue: New Series, Vol. 243, No. 4888, Jan. 13, 1989
Next Issue: New Series, Vol. 243, No. 4890, Jan. 27, 1989



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