Articles

 Quality Education: Hanged without a Trial

Philip W. Anderson and John J. Hopfield
Science 22 November 1968: 850.
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 Letters to the Editor

Alexander W. Astin
Science 22 November 1968: 850.
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 Versatile Genius: Frederick II

Richard E. Juday
Science 22 November 1968: 850-851.
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 Letters to the Editor

Susan W. Gray
Science 22 November 1968: 851.
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 Galileo's Insight: A Modern Guide

Howard McCully
Science 22 November 1968: 851-852.
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 Australia: Too Many Ph.D.'s

Rodney L. S. Willix
Science 22 November 1968: 852.
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 Computer-Assisted Instruction

Philip H. Abelson
Science 22 November 1968: 855.
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 Power from the Sun: Its Future

Peter E. Glaser
Science 22 November 1968: 857-861.
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 Experimental Tobacco Carcinogenesis

E. L. Wynder and D. Hoffmann
Science 22 November 1968: 862-871.
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 Teotihuacan, Mexico, and Its Impact on Regional Demography

Jeffrey R. Parsons
Science 22 November 1968: 872-877.
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 Columbia University: Still at the Crossroads

Elinor Langer
Science 22 November 1968: 878-883.
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 Mathematics: More Funds Urged for Science's "Leading Wedge"

Luther J. Carter
Science 22 November 1968: 883-885.
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 RECENT DEATHS

Science 22 November 1968: 885.
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 The Story of Jodrell Bank. Bernard Lovell. Harper and Row, New York, 1968. xvi + 265 pp., illus. $5.95

G. C. McVittie
Science 22 November 1968: 886.
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 Helium, Child of the Sun. Clifford W. Seibel. University Press of Kansas, Lawrence, 1968. xiv + 138 pp., illus. $4.95

John G. Burke
Science 22 November 1968: 886-887.
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 Ecological Development in Polar Regions. A Study in Evolution. M. J. Dunbar. Prentice-Hall, Englewood Cliffs, N.J., 1968. viii + 119 pp., illus. $4.95. Concepts of Modern Biology

Carl H. Lindroth
Science 22 November 1968: 887.
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 Jan Swammerdam (12 February 1637-17 February 1680). His Life and Works. A. Schierbeek. Translated from the Dutch edition (1947). Swets and Zeitlinger, Amsterdam, 1967. vi + 204 pp., illus. $7

Jane Oppenheimer
Science 22 November 1968: 887-888.
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 Chung-kuo ta-ti kou-tsao wen-t'i (Problems of Chinese Geotectonics). Chen Kuo-ta et al. Science Press, Peking, 1965. 183 pp., illus. 2.60 yuan

Pow-Foong Fan
Science 22 November 1968: 888-889.
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 Kou-tsao ti-chih wen-t'i (Problems of Structural Geology). Edited by Academia Sinica, Geological Institute. Science Press, Peking, 1965. 193 pp., illus. 2.40 yuan

Pow-Foong Fan
Science 22 November 1968: 888-889.
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 Hua-pei hua-nan chung-sheng-tai hsin-sheng-tai ti-chih kou-tsao fa-ch'ang t'echeng (Characteristics of the Geological Structure of the Mesozoic and Cenozoic in Northern and Southern China). Edited by Academia Sinica, Geological Institute. Science Press, Peking, 1966. 105 pp., illus. 1.90 yuan

Pow-Foong Fan
Science 22 November 1968: 888-889.
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 Urea as a Protein Supplement. Michael H. Briggs, Ed. Pergamon, New York, 1967. xii + 466 pp., illus. $18

B. Connor Johnson
Science 22 November 1968: 889.
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 Genetics and Animal Breeding. Ivar Johansson and Jan Rendel. Translated from the Swedish edition (Stockholm, 1963) by Michael Taylor. Freeman, San Francisco, 1968. xii + 489 pp., illus. $17.50

C. K. Chai
Science 22 November 1968: 889-890.
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 Dictionary of Economic Plants. J. C. Th. Uphof. Second edition. Cramer, Wiirzburg, 1968 (distributed in the U.S. by Stechert-Hafner, New York). viii + 591 pp. $9.75

Albert F. Hill
Science 22 November 1968: 890.
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X-Ray Line and Continuum Spectra of Solar Flares from 0.5 to 8.5 Angstroms

John F. Meekins, Robert W. Kreplin, Talbot A. Chubb, and Herbert Friedman
Science 22 November 1968: 891-895.
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Composition of Aqueous Solutions in Equilibrium with Sulfides and Oxides of Iron at 350°C

Bikash C. Raymahashay and Heinrich D. Holland
Science 22 November 1968: 895-896.
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Search for an Effect of Mass on Frequency during a Close Approach of Pulsar CP 0950 to the Sun

D. Sadeh, J. P. Hollinger, S. H. Knowles, and A. B. Youmans
Science 22 November 1968: 897-898.
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Earth's Bow Shock: Elapsed-Time Observations by Two Closely Spaced Satellites

E. W. Greenstadt, I. M. Green, and D. S. Colburn
Science 22 November 1968: 898-901.
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Stress Gradient in Solid Methane at High Pressures

R. E. Stajdohar, P. F. Hettwer, and D. R. McCann
Science 22 November 1968: 902-903.
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Radar Observations of Icarus

R. M. Goldstein
Science 22 November 1968: 903-904.
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Genetic Polymorphism of C'3(_1c-Globuiin) in Human Serum

Edwin A. Azen and Oliver Smithies
Science 22 November 1968: 905-907.
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Chemical Carcinogenesis: Persistence of Bound Forms of 2-Fluorenylacetamide

Sheldon M. Epstein, John McNary, Barbara Bartus, and Emmanuel Farber
Science 22 November 1968: 907-908.
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Structure of Human Serum Lipoproteins: Nuclear Magnetic Resonance Supports a Micellar Model

Joseph M. Steim, Orville J. Edner, and Frederick G. Bargoot
Science 22 November 1968: 909-911.
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Boll Weevil Found in Pre-Columbian Cotton from Mexico

Rose Ella Warner and C. Earle Smith, Jr.
Science 22 November 1968: 911-912.
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Ribonuclease Activity in Commercial Crystalline Trypsin and a Method for Removal

Marvin Tunis
Science 22 November 1968: 912-913.
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Diabetes Mellitus: Induction in Mice by Encephalomyocarditis Virus

John E. Craighead and Mary Frances McLane
Science 22 November 1968: 913-914.
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Toxins of a Blue-Green Alga: Similarity to Saxitoxin

Eugene Jackim and John Gentile
Science 22 November 1968: 915-916.
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Adrenaline: Mechanism of Action on the Pacemaker Potential in Cardiac Purkinje Fibers

O. Hauswirth, D. Noble, and R. W. Tsien
Science 22 November 1968: 916-917.
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Ethanol Oxidation by Hepatic Microsomes: Adaptive Increase after Ethanol Feeding

Charles S. Lieber and Leonore M. DeCarli
Science 22 November 1968: 917-918.
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Phagocytosis of Inhaled Plutonium Oxide-²³⁹Pu Particles by Pulmonary Macrophages

C. L. Sanders and R. R. Adee
Science 22 November 1968: 918-920.
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Cognitive Capacities of Young Children: A Replication

Harry beilin
Science 22 November 1968: 920-921.
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What Children Do in Spite of What They Know

T. G. Bever, J. Mehler, J. Epstein, and Harry Beilin
Science 22 November 1968: 921-925.
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 Heritable Repression due to Paramutation in Maize

E. H. Coe, Jr.
Science 22 November 1968: 925.
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 Oceanic Basalt Leads and the Age of the Earth

V. M. Oversby, P. W. Gast, and T. J. Ulrych
Science 22 November 1968: 925-928.
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 AAAS ANNUAL MEETING, DALLAS, TEXAS

J. Erik Jonsson
Science 22 November 1968: 929-934.
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 The Physiology of Fighting and Defeat

J. P. Scott and B. E. Eleftheriou
Science 22 November 1968: 935-936.
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 New Developments in Educational Technology

Harvey J. Brudner
Science 22 November 1968: 937-938.
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 Space Applications: Earth-Oriented Applications of Unmanned Satellites

Paul Rosenberg
Science 22 November 1968: 939-940.
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 Gordon Research Conferences: Winter Program, 1969

Alexander M. Cruickshank
Science 22 November 1968: 941-943.
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