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Science, New Series, Vol. 223, No. 4642, Mar. 23, 1984


Previous Issue: New Series, Vol. 223, No. 4641, Mar. 16, 1984
Next Issue: New Series, Vol. 223, No. 4643, Mar. 30, 1984


Front Matter (40 pp.)


Letters
Cholesterol Study, p. 1247
J. M. Hamilton
Achievement in Mathematics, pp. 1247-1248
Jonathan Beckwith; Michael Woodruff; Joseph D. Novak; Dennis R. Ridley; Camilla Persson Benbow


Erratum: Basic Research and the Public, p. 1248
Commercial Biotechnology, p. 1253
Philip H. Abelson

Quasars and Gravitational Lenses, pp. 1255-1259
Edwin L. Turner

Soluble Lectins: A New Class of Extracellular Proteins, pp. 1259-1264
Samuel H. Barondes

Molecular Analysis of Ds Controlling Element Mutations at the Adh1 Locus of Maize, pp. 1265-1268
W. D. Sutton; W. L. Gerlach; D. Schwartz; W. J. Peacock


News and Comment
The Allure of High-Tech Weapons for Europe, pp. 1269-1272
R. Jeffrey Smith
NASA Seeks European Space Partners, pp. 1273+1276
David Dickson


Briefing
Mathematician Freed after 8 Years in Uruguay Prison, p. 1274
Eliot Marshall
NAS Moves to Counter Creationist Challenge, p. 1274
Constance Holden
Morawetz to Direct Math Institute, p. 1274
Gina Kolata
Edinburgh Sets up Parapsychology Chair, p. 1274
David Dickson
Canada Goes it Alone on Acid Rain Controls, p. 1275
Eliot Marshall
EPA Proposes Change in Air Pollutants Regulation, p. 1275
Marjorie Sun
Sweden Boosts R & D Spending, p. 1275
David Dickson

NSF Gets up Steam on Drilling Program, p. 1276
John Walsh


Research News
Periodic Impacts and Extinctions Reported, pp. 1277-1279
Richard A. Kerr
The Necessity of Knowledge, pp. 1279-1282
M. Mitchell Waldrop


Book Reviews
The Imprint of Upwelling, pp. 1283-1284
Coastal Upwelling
Erwin Suess; Jörn Thiede
Review author[s]: W. H. Berger
The Physics of Stars, pp. 1284-1285
Solar and Stellar Magnetic Fields
J. O. Stenflo
Review author[s]: J. Harvey
An Era in Rocketry, pp. 1285-1286
Prelude to the Space Age
Frank H. Winter
Review author[s]: John H. Morrow
Biological Theorists, pp. 1286-1287
The Philosophical Naturalists
Philip F. Rehbock
Review author[s]: William Montgomery


Reports
Rock Avalanches Caused by Earthquakes: Source Characteristics, pp. 1288-1290
David K. Keefer
Biomass of Tropical Forests: A New Estimate Based on Forest Volumes, pp. 1290-1293
Sandra Brown; Ariel E. Lugo
Transformation and Cytopathogenic Effect in an Immune Human T-Cell Clone Infected by HTLV-I, pp. 1293-1296
Hiroaki Mitsuya; Hong-Guang Guo; Mary Megson; Cecelia Trainor; Marvin S. Reitz; Samuel Broder
Heparin Affinity: Purification of a Tumor-Derived Capillary Endothelial Cell Growth Factor, pp. 1296-1299
Y. Shing; J. Folkman; R. Sullivan; C. Butterfield; J. Murray; M. Klagsbrun
Total Synthesis and Cloning of a Gene Coding for the Ribonuclease S Protein, pp. 1299-1301
Krishnan P. Nambiar; Joseph Stackhouse; Dora M. Stauffer; W. Poindexter Kennedy; J. K. Eldredge; Steven A. Benner
Insulin Receptor Phosphorylation May not be a Prerequisite for Acute Insulin Action, pp. 1301-1304
Ian A. Simpson; José A. Hedo
Insulin: Carrier Potential for Enzyme and Drug Therapy, pp. 1304-1306
Mark J. Poznansky; Rajkumari Singh; Bhagirath Singh; George Fantus
People with Absolute Pitch Process Tones without Producing a P300, pp. 1306-1309
Mark Klein; Michael G. H. Coles; Emanuel Donchin
Transfusion-Associated AIDS: Serologic Evidence of Human T-Cell Leukemia Virus Infection of Donors, pp. 1309-1312
H. W. Jaffe; D. P. Francis; M. F. McLane; C. Cabradilla; J. W. Curran; B. W. Kilbourne; D. N. Lawrence; H. W. Haverkos; T. J. Spira; R. Y. Dodd; J. Gold; D. Armstrong; A. Ley; J. Groopman; J. Mullins; T. H. Lee; M. Essex
Interferon-β-Related DNA Is Dispersed in the Human Genome, pp. 1312-1315
Anurag D. Sagar; Pravinkumar B. Sehgal; Lester T. May; Masayori Inouye; Doris L. Slate; Lester Shulman; Frank H. Ruddle
Magnesium Deficiency and Hypertension: Correlation between Magnesium-Deficient Diets and Microcirculatory Changes in situ, pp. 1315-1317
Burton M. Altura; Bella T. Altura; Asefa Gebrewold; Hartmut Ising; Theo Günther


Back Matter (36 pp.)

Previous Issue: New Series, Vol. 223, No. 4641, Mar. 16, 1984
Next Issue: New Series, Vol. 223, No. 4643, Mar. 30, 1984



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