Articles

 Seeding Hurricanes

Bernard A. Power
Science 23 February 1973: 744.
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 Letter to the Editor

Robert W. Kates
Science 23 February 1973: 744-746.
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 Letter to the Editor

Ronald A. Howard, James E. Matheson, and D. Warner North
Science 23 February 1973: 746-747.
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 Thermodynamics and Information

Robert Lemlich
Science 23 February 1973: 747.
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 Letter to the Editor

Witold Brostow
Science 23 February 1973: 747.
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 We Are the Government, You and I

William Bevan
Science 23 February 1973: 749.
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 Newton and the Fudge Factor

Richard S. Westfall
Science 23 February 1973: 751-758.
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Distributional Ecology of New Guinea Birds: Recent ecological and biogeographical theories can be tested on the bird communities of New Guinea

Jared M. Diamond
Science 23 February 1973: 759-769.
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 Humanizing the Earth

René J. Dubos
Science 23 February 1973: 769-772.
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 Drug Abuse: Methadone Becomes the Solution and the Problem

Robert J. Bazell
Science 23 February 1973: 772-775.
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 Relief from Heroin Craving without a Euphoric High

R. J. B.
Science 23 February 1973: 774.
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 Drug Regulation: FDA Replies to Charges by Economists and Industry

Nicholas Wade
Science 23 February 1973: 775-777.
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 AMA Said to Kill Panel to Save Ads

N. W.
Science 23 February 1973: 776.
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 Endangered Species: Diplomacy Tries Building an Ark

Robert Gillette
Science 23 February 1973: 777-780.
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 Flora North America: Project Nipped in the Bud

John Walsh
Science 23 February 1973: 778.
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 Energy: Drain on America First?

Science 23 February 1973: 779.
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 Somatic Cell Hybrids: Impact on Mammalian Genetics

Jean L. Marx
Science 23 February 1973: 785-787.
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 Sexual Selection and the Descent of Man, 1871-1971. Bernard Campbell, Ed. Aldine, Chicago, 1972. xii, 378 pp., illus. $14.75

George C. Williams
Science 23 February 1973: 788-789.
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 Molecular Evolution and the Origin of Life. Sidney W. Fox and Klaus Dose. Freeman, San Francisco, 1972. xvi, 360 pp., illus. $16

D. H. Kenyon
Science 23 February 1973: 789.
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 Evolution of the Metazoan Life Cycle. A Comprehensive Theory. Gösta Jägersten. Translated from the Swedish edition (1968). Academic Press, New York, 1972. x, 282 pp., illus. $15.50

Alan J. Kohn
Science 23 February 1973: 789-790.
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 The Changing Chemistry of the Oceans. Proceedings of a symposium, Lerum and Göteborg, Sweden, Aug. 1971. David Dyrssen and Daniel Jagner, Eds. Almqvist and Wiksell, Stockholm, and Wiley-Interscience, New York, 1972. 366 pp., illus. $21.50. Nobel Symposium 20

John M. Edmond
Science 23 February 1973: 790-791.
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 The Panamic Biota. Some Observations Prior to a Sea-Level Canal. A symposium, Washington, D.C., March 1970. Meredith L. Jones, Ed. Biological Society of Washington, Washington, D.C., 1972. viii, 270 pp., illus. Paper. Bulletin of the Biological Society of Washington, No. 2

Ira Rubinoff
Science 23 February 1973: 791.
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Detection of Radon Emanation from the Crater Aristarchus by the Apollo 15 Alpha Particle Spectrometer

Paul Gorenstein and Paul Bjorkholm
Science 23 February 1973: 792-794.
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Mariner 9 Ultraviolet Spectrometer Experiment: Seasonal Variation of Ozone on Mars

Charles A. Barth, Charles W. Hord, A. Ian Stewart, Arthur L. Lane, Mary L. Dick, and Gail P. Anderson
Science 23 February 1973: 795-796.
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Ice and Snow in Eolian Sand Dunes of Southwestern Wyoming

James R. Steidtmann
Science 23 February 1973: 796-798.
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Exhaust Catalysts: Appropriate Conditions for Comparing Platinum and Base Metal

J. C. Schlatter, R. L. Klimisch, and K. C. Taylor
Science 23 February 1973: 798-800.
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Lunar Surface Radioactivity: Preliminary Results of the Apollo 15 and Apollo 16 Gamma-Ray Spectrometer Experiments

A. E. Metzger, J. I. Trombka, L. E. Peterson, R. C. Reedy, and J. R. Arnold
Science 23 February 1973: 800-803.
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Cannabis and Temporal Disintegration in Experienced and Naive Subjects

Sally Casswell and David F. Marks
Science 23 February 1973: 803-805.
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Competition between Color Morphs of the Polychromatic Midas Cichlid Cichlasoma citrinellum

George W. Barlow
Science 23 February 1973: 806-807.
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Cyclic Adenosine Monophosphate and Hypertension in Rats

M. Samir Amer
Science 23 February 1973: 807-809.
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Cerebral Hydroxylases: Stimulation by a New Factor

E. M. Gál and A. E. Roggeveen
Science 23 February 1973: 809-811.
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Graft versus Leukemia: Quantification of Adoptive Immunotherapy in Murine Leukemia

Mortimer M. Bortin, Alfred A. Rimm, and Edward C. Saltzstein
Science 23 February 1973: 811-813.
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Juvenile Hormone Mimics: Effect on Cirriped Crustacean Metamorphosis

Edgardo D. Gomez, D. John Faulkner, William A. Newman, and Chris Ireland
Science 23 February 1973: 813-814.
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Evoked Potential Correlates of Expected Stimulus Intensity

H. Begleiter, Bernice Porjesz, Consolacion Yerre, and B. Kissin
Science 23 February 1973: 814-816.
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Tremor and Involuntary Movements in Monkeys: Effect of L-Dopa and of a Dopamine Receptor Stimulating Agent

M. Goldstein, A. F. Battista, T. Ohmoto, B. Anagnoste, and K. Fuxe
Science 23 February 1973: 816-817.
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 Roger Revelle: President-Elect, 1973

Harold A. Thomas, Jr.
Science 23 February 1973: 818-820.
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 AAAS Council Meeting, 1972

William Bevan
Science 23 February 1973: 821-824.
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 Report to the Association-1972

Mina Rees and William Bevan
Science 23 February 1973: 824-827.
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 AAAS Officers, Committees, and Representatives for 1973

Science 23 February 1973: 828-832.
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 Science and Man in the Americas: A joint AAAS/CONACYT meeting in Mexico City (20 June to 4 July 1973)

Walter G. Berl
Science 23 February 1973: 832-833.
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