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Science, New Series, Vol. 220, No. 4593, Apr. 8, 1983


Previous Issue: New Series, Vol. 220, No. 4592, Apr. 1, 1983
Next Issue: New Series, Vol. 220, No. 4594, Apr. 15, 1983


Front Matter (32 pp.)


Letters
Materials Research Center, p. 142
Rustum Roy; David W. Lynch
Detection of Nuclear Tests, p. 142
Harold M. Agnew
Fluorides and Dental Caries, pp. 142+144+146
Alice M. Horowitz; Herschel S. Horowitz; John W. Hein; John B. Gregg; Dennis H. Leverett


Erratum:Understanding Nonrenewable Resource Supply Behavior., p. 146
Erratum: [Gordon Research Conferences], p. 146
Scientific Instruments and Analytical Techniques, p. 149
Philip H. Abelson

The Process of Formation of Ocean Crust, pp. 151-157
Brian T. R. Lewis

Molecular Biological Mechanisms of Speciation, pp. 157-162
Michael R. Rose; W. Ford Doolittle

Crop Germplasm Conservation and Developing Countries, pp. 163-169
D. L. Plucknett; N. J. H. Smith; J. T. Williams; N. Murthi Anishetty


News and Comment
Reagan Plans New ABM Effort, pp. 170-171
R. Jeffrey Smith
Space Telescope in Trouble, pp. 172-174
M. Mitchell Waldrop
Democrats Boost R & D, p. 174
Colin Norman


Briefing
Robert M. White to Head Academy of Engineering, p. 175
John Walsh
Metrically, the U. S. Doesn't Measure up, p. 175
John Walsh
German Science Minister Kept on by Government, p. 175
David Dickson
More Fallout at EPA, p. 175
Marjorie Sun

Congress Questions NBS Budget Cuts, pp. 176-177
John Walsh
Research Chief Quits French Cabinet, p. 177
David Dickson


Research News
The 1983 Pittsburgh Conference: A Special Instrumentation Report, p. 178
Quadrupoles Appear in New Instruments, pp. 178-179
Thomas H. Maugh
LIMS is Next Step in Laboratory Automation, pp. 180-183
Arthur L. Robinson
A New Way to Correct Background in AA, p. 183
Thomas H. Maugh
Instrument Highlights, pp. 184-185
T.H.M.; A.L.R.


AAAS News
Programs Provide a History Lesson--Blacks and Women in Science, pp. 186-187
Joan Wrather
Cross-Cultural Comparison of ``Self'' Wins AAAS Prize, p. 187
70th Indian Science Congress Held in Tirupati, pp. 187+228


Book Reviews
The Situation of Sociobiology, pp. 188-189
Current Problems in Sociobiology
Evolution of Social Behavior
Hubert Markl
Natural Selection and Social Behavior
Richard D. Alexander; Donald W. Tinkle
Review author[s]: Andrew R. Blaustein
Cognitive Aspects of Aging, pp. 189-190
Aging and Cognitive Processes
F. I. M. Craik; Sandra Trehub
Review author[s]: Robert D. Nebes
Epithelia, pp. 190-191
The Paracellular Pathway
Stanley E. Bradley; Elizabeth F. Purcell
Review author[s]: Donald R. DiBona
The Sun's Magnetic Field, pp. 191-192
Solar Magnetohydrodynamics
Eric R. Priest
Review author[s]: H. C. Spruit


Reports
Strontium Isotope Fractionation in the Kiglapait Intrusion, pp. 193-195
S. A. Morse
Asian Dust: Seasonal Transport to the Hawaiian Islands, pp. 195-197
Josef R. Parrington; William H. Zoller; Namik K. Aras
Argonne Intense Pulsed Neutron Source Used to Solve the Molecular Structure of a Novel Organometallic Complex, pp. 197-199
Arthur J. Schultz; Raymond G. Teller; Mark A. Beno; Jack M. Williams; M. Brookhart; W. Lamanna; M. Beth Humphrey
Carbon Dioxide Exchange between Air and Seawater: No Evidence for Rate Catalysis, pp. 199-201
Joel C. Goldman; Mark R. Dennett
Fibronectin Binds to Some Bacteria but Does not Promote Their Uptake by Phagocytic Cells, pp. 201-204
L. Van De Water; A. T. Destree; R. O. Hynes
Bacteria-Free Sea Urchin Larvae: Selective Uptake of Neutral Amino Acids from Seawater, pp. 204-206
Donal T. Manahan; James P. Davis; Grover C. Stephens
Swine Influenza-Like Viruses in Turkeys: Potential Source of Virus for Humans?, pp. 206-208
V. S. Hinshaw; R. G. Webster; W. J. Bean; J. Downie; D. A. Senne
Mycoplasma-Like Organisms: Occurrence with the Larvae and Adults of a Marine Bryozoan, pp. 208-210
Russel L. Zimmer; Robert M. Woollacott
Regulation of the Macrophage Content of Neoplasms by Chemoattractants, pp. 210-212
Barbara Bottazzi; Nadia Polentarutti; Raffaella Acero; Andrea Balsari; Diana Boraschi; Pietro Ghezzi; Mario Salmona; Alberto Mantovani
Taste-Aversion Conditioning of Crows to Control Predation on Eggs, pp. 212-214
Lowell K. Nicolaus; J. Frank Cassel; Robert B. Carlson; Carl R. Gustavson
Nicotinic Cholinergic Receptor Binding Sites in the Brain: Regulation in vivo, pp. 214-216
Rochelle D. Schwartz; Kenneth J. Kellar
Formaldehyde Damage to DNA and Inhibition of DNA Repair in Human Bronchial Cells, pp. 216-218
Roland C. Grafstrom; Albert J. Fornace; Herman Autrup; John F. Lechner; Curtis C. Harris
Dopamine Modulation of the Effects of γ-aminobutyric Acid on Substantia Nigra Pars Reticulata Neurons, pp. 218-221
Barbara L. Waszczak; Judith R. Walters
Diffusion Barrier in the Small Intestine, pp. 221-222
John A. DeSimone; K. W. Smithson


Back Matter (19 pp.)

Previous Issue: New Series, Vol. 220, No. 4592, Apr. 1, 1983
Next Issue: New Series, Vol. 220, No. 4594, Apr. 15, 1983



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