16 December 1977

Volume 198, No. 4322

LETTERS Human Subjects Research: J. T. Tedeschi and G. G. Gallup, Jr.; R. J. Smith;Protease Inhibitors and Muscular Dystrophy: A. Stracher; Lignite-FueledPower Plants: Radioactive Emissions: A. E. Desrosiers .

EDITORIAL Responsibility for Health: J. H. Knowles .

ARTICLES The Social Imperatives of Medical Research: L. Eisenberg .

Breast-Feeding and Population Growth: J. Knodel .

Evolution of Primate Chromosomes: D. A. Miller.

NEWS AND COMMENT

RESEARCH NEWS

ANNUAL MEETING

BOOK REVIEWS

MIT Chemist, Schlesinger Ally Assumes Energy Research Post .

Clinical Trials: Methods and Ethics Are Debated .

Briefing: UFO's Just Will Not Go Away; SIPI Sells (Out?)Environment Magazine;Role of Science in China's Development.

Water Act Revision Complete.

Underground Gasification: An Alternate Way to Exploit Coal .

Oil in the Ocean: Circumstances Control Its Impact.

Meeting Program-Part II; Science International; Registration and HousingForms.

The Ultimate Experiment, Biohazard, and Playing God, reviewed by R. M. May;The Origin and Early Evolution of Animals, A. J. Kohn; The Biology ofMarsupials and The Biology of Marsupials, R. M. F. S. Sadleir; PlanetarySatellites, W. M. Kaula; Books Received.

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REPORTS Submarine Seepage of Natural Gas in Norton Sound, Alaska: J. D. Cline andM. L. Holmes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1149

Water Vapor Maser "Turn-On" in the HII Region W3 (OH): A. D. Haschick,B. F. Burke, J. H. Spencer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1153-

Hominoid Enamel Prism Patterns: D. G. Gantt, D. Pilbeam, G. P. Steward . . . . . 1155

Fascioliasis: Role of Proline in Bile Duct Hyperplasia: H. Isseroff, J. T. Sawma,D. Reino . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1157

Measurement of the Human Magnetic Heart Vector: W. H. Barry et al. . . . . . . . 1159

Polymorphonuclear Leukocytes: Possible Mechanism of Accumulation in Psoriasis:G. S. Lazarus, F. J. Yost, Jr., C. A. Thomas . . . . . . . . . . . . . . . . . . . 1162

Fibrous Apatite Grown on Modified Collagen: E. Banks et al. . . . . . . . . . . . . 1164

Localization of the Globin Gene in the Template Active Fraction of Chromatin ofFriend Leukemia Cells: R. B. Wallace, S. K. Dube, J. Bonner . . . . . . . . . 1166

Mechanism of Suppression in Drosophila: Control of Sepiapterin Synthase at thePurple Locus: J. J. Yim, E. H. Grell, K. B. Jacobson . . . . . . . . . . . . 1168

Pbosphoribosylpyrophosphate Synthesis in Cultured Human Cells: P. J. Benkeand D. Dittmar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1171

Aggressive Chemical Mimicry by a Bolas Spider: W. G. Eberhard . . . . . . . . . . 1173

Characterization of Bacterial Growth by Means of Flow Microfluorometry:J. E. Bailey et al . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1175

_Coadapted Competitors: The Flowering Seasons of Hummingbird-Pollinated Plantsin a Tropical Forest: F. G. Stiles . . . . . . . . . . . . . . . . . . . . . . . . . 1177

Fenfluramine and Fluoxetine Spare Protein Consumption While Suppressing CaloricIntake by Rats: J. J. Wurtman and R. J. Wurtman . . . . . . . . . . . . . . . . 1178

Technical Comments: "Bound Water" in Barnacle Muscle as Indicated in NuclearMagnetic Resonance Studies: D. C. Chang and D. E. Woessner; H. A. Resinget al.; Rate-Dependency Hypothesis: P. B. Dews; F. A. Gonzalez andL. D. Byrd.. . .. 1180

PRODUCTS AND Oculoplethysmograph; Peristaltic Pump; Voice System for the Vocally Impaired;MATERIALS Luminescent Analytical Reagents; Microcomputer; Literature . . . . . . . . . 1184

COVER

Scanning electron micrograph of re-constituted collagen tape (width of fieldof view, about 300 micrometers). Seepage 1164. [E. Banks et al., Polytech-nic Institute of New York, Brooklyn,New York]

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198 (4322)

(4322), 1099-1184.198Science 

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