Articles

 Science and Politics

T. Dixon Long
Science 21 April 1972: 229.
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 Letters to the Editor

Ian D. Clark
Science 21 April 1972: 229.
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 Letters to the Editor

Lee A. Dubridge
Science 21 April 1972: 229-230.
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 Letters to the Editor

Martin L. Perl
Science 21 April 1972: 230.
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 Pregnant Baboons

Warren M. Crosby
Science 21 April 1972: 230-231.
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 Coal Workers' Pneumoconiosis

W. Keith C. Morgan and Charles E. Andrews
Science 21 April 1972: 231-232.
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 Newton and the Mint

Leonard N. Beck
Science 21 April 1972: 232-233.
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 Ki'lo·me'ter

Harold C. Urey
Science 21 April 1972: 233.
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 A Blind Spot in Biology

Emanuel Epstein
Science 21 April 1972: 235.
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 Toward a National Nutrition Policy

Jean Mayer
Science 21 April 1972: 237-241.
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 Microbiology of the Dry Valleys of Antarctica

N. H. Horowitz, Roy E. Cameron, and Jerry S. Hubbard
Science 21 April 1972: 242-245.
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 Electron Spectroscopy with Monochromatized X-rays

K. Siegbahn, D. Hammond, H. Fellner-Feldegg, and E. F. Barnett
Science 21 April 1972: 245-252.
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 Fast Transport of Materials in Mammalian Nerve Fibers

Sidney Ochs
Science 21 April 1972: 252-260.
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 The American Chemical Society: PEPing Up Its Rescue Efforts

Robert Gillette
Science 21 April 1972: 260-263.
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 New Cancer Chief in the Wings

B. J. C.
Science 21 April 1972: 261.
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 Dow Redefines Word It Doesn't Like

N. W.
Science 21 April 1972: 262.
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 Agnew Reprimands AAAS

Science 21 April 1972: 263.
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 France: Mass Higher Education Produces Diplomas but Not Jobs

John Walsh
Science 21 April 1972: 264-267.
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 Photocopying Habit in Jeopardy

Barbara J. Culliton
Science 21 April 1972: 265.
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 UNISIST and SIE: Promise and Fulfillment in Informatics

Nicholas Wade
Science 21 April 1972: 266.
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 Physical Oceanography: Planning for a Major Experiment

Allen L. Hammond
Science 21 April 1972: 268-269.
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 Language and Poverty. Perspectives on a Theme. Frederick Williams, Ed. Markham, Chicago, 1971. xii, 460 pp., illus. $10.50. Institute for Research on Poverty Monograph Series

David S. Palermo
Science 21 April 1972: 270-271.
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 Of Microbes and Life. Les Microbes et la Vie. Jacques Monod and Ernest Borek, Eds. Columbia University Press, New York, 1971. xx, 312 pp., illus. $12.50

Louis Siminovitch
Science 21 April 1972: 271.
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 Mach's Philosophy of Science. J. Bradley. Athlone, London, 1971 (U. S. distributor, Oxford University Press, New York). xii, 226 pp., illus. $13

J. L. Heilbron
Science 21 April 1972: 271-272.
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 Archaeological Survey in the Lower Yazoo Basin, Mississippi, 1949-1955. Philip Phillips. Peabody Museum of Archaeology and Ethnology, Cambridge, Mass., 1970. In 2 parts. xxviii, 1000 pp., illus. Paper, $30. Papers of the Peabody Museum, vol. 60

William G. Haag
Science 21 April 1972: 272.
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 Books Received

Science 21 April 1972: 272-327.
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Biodegradation of Nitrilotriacetic Acid and Related Imino and Amino Acids in River Water

Craig B. Warren and Edward J. Malec
Science 21 April 1972: 277-279.
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Mars: The Lineament Systems

Alan B. Binder and Donald W. McCarthy, Jr.
Science 21 April 1972: 279-281.
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River Delta Morphology: Wave Climate and the Role of the Subaqueous Proffile

L. D. Wright and J. M. Coleman
Science 21 April 1972: 282-284.
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Pressure Measurement Made by the Utilization of Ruby Sharp-Line Luminescence

Richard A. Forman, Gasper J. Piermarini, J. Dean Barnett, and Stanley Block
Science 21 April 1972: 284-285.
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Barrier Dune System along the Outer Banks of North Carolina: A Reappraisal

Robert Dolan
Science 21 April 1972: 286-288.
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Groundwater Contamination by Road Salt: Steady-State Concentrations in East Central Massachusetts

Edwin E. Huling and Thomas C. Hollocher
Science 21 April 1972: 288-290.
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Carbon Monoxide Balance in Nature

Bernard Weinstock and Hiromi Niki
Science 21 April 1972: 290-292.
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Synergy of Ethanol and Putative Neurotransmitters: Glycine and Serine

Kenneth Blum, Jack E. Wallace, and Irving Geller
Science 21 April 1972: 292-294.
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Carboxyhemoglobin Elevation after Exposure to Dichloromethane

Richard D. Stewart, Terrance N. Fisher, Michael J. Hosko, Jack E. Peterson, Edward D. Baretta, and Hugh C. Dodd
Science 21 April 1972: 295-296.
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Electrical Field-Flow Fractionation of Proteins

Karin Dahlgren Caldwell, Laya Floch Kesner, Marcus N. Myers, and J. Calvin Giddings
Science 21 April 1972: 296-298.
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Induction of Pulmonary Edema and Emphysema in Cattle and Goats with 3-Methylindole

J. R. Carlson, M. T. Yokoyama, and E. O. Dickinson
Science 21 April 1972: 298-299.
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Leaf Infections: Siderochromes (Natural Polyhydroamates) Mimic the "Green Island" Effect

C. L. Atkin and J. B. Neilands
Science 21 April 1972: 300-302.
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Solute Concentration Gradients in Frog Muscles at 0°C: Active Transport or Adsorption?

Margaret C. Neville
Science 21 April 1972: 302-303.
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Identification of Triploid Genome by Fluorescence Microscopy

Irene A. Uchida and C. C. Lin
Science 21 April 1972: 304-305.
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A Calcium Pump in Vascular Smooth Muscle

David F. Fitzpatrick, Erwin J. Landon, Gamil Debbas, and Leon Hurwitz
Science 21 April 1972: 305-306.
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Sea Star Platastenras: Ossicle Morphology and Taxonomic Position

D. Bryan Blake
Science 21 April 1972: 306-307.
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Neuromuscular Transmission: Inhibition by Manganese Ions

U. Meiri and R Rahamimoff
Science 21 April 1972: 308-309.
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Deficient Activity of Hepatic Acid Lipase in Cholesterol Ester Storage Disease

Joseph A. Burke and William K. Schubert
Science 21 April 1972: 309-310.
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Human X Chromosome Carries Quantitative Genes for Immunoglobulin M

F. J. Grundbacher
Science 21 April 1972: 311-312.
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lmmunologic Tolerance: Role of the Regional Lymph Node

Mitchell H. Friedlaender and Harold Baer
Science 21 April 1972: 312-314.
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"Walking" in the Newborn

Philip R. Zelazo, Nancy Ann Zelazo, and Sarah Kolb
Science 21 April 1972: 314-315.
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 Inhibitor of DNA in Lymphocytic Cells

E. Garcia-Giralt
Science 21 April 1972: 316.
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 Does the Striate Cortex Begin Reconstruction of the Visual World?

Jay E. Mittenthal, William B. Kristan, Jr., William G. Tatton, Bernard Kripke, Daniel A. Pollen, Joseph H. Taylor, and James R. Lee
Science 21 April 1972: 316-319.
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 Intracisternal A Particles and C Particles

Albert J. Dalton and Sarah E. Stewart
Science 21 April 1972: 319.
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