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Science, New Series, Vol. 247, No. 4950, Mar. 30, 1990


Previous Issue: New Series, Vol. 247, No. 4949, Mar. 23, 1990
Next Issue: New Series, Vol. 248, No. 4951, Apr. 6, 1990


Volume Information (10 pp.)
Front Matter (10 pp.)
Uncertainties About Global Warming, p. 1529
Philip H. Abelson


Letters
Takeover Bid: Chiron's Discussions with the Media, p. 1530
William J. Rutter
Patent Court Scientist, p. 1530
Kathleen A. Ream
Organoids and Genetic Drugs, p. 1530
Thomas Maciag
Department Size and Quality, pp. 1530-1531
Jonathan A. Gallant; John W. Prothero


Correction: Copy Numbers of HIV-1 RNA, p. 1531
Harriet L. Robinson; Mohan Somasundaran

Erratum: Gore Tex Organoids and Genetic Drugs, p. 1531


News and Comment
Déjà Vu in AIDS Priority Fight, pp. 1532-1533
Barbara J. Culliton
Hot Fusion: A Meltdown in Political Support, pp. 1534-1535
Mark Crawford
MIT Tenure Case Heads for Trial, p. 1536
Colin Norman
Call for Environment Institutes, pp. 1536-1537
Constance Holden
Bacteria Effective in Alaska Cleanup, p. 1537
Mark Crawford
Imported Monkey Puzzle, p. 1538
Marjorie Sun
Trouble Ahead for the SSC?, p. 1538
Mark Crawford


Briefings
Better Numbers on Primate Research, p. 1539
Constance Holden
Activists Urge Ban on Herbicide R&D, p. 1539
Constance Holden
Tyler Prize Goes to Cornell Scientists, p. 1539
Constance Holden
Schizophrenics' Brains, p. 1539
Constance Holden


Research News
Dissecting the Complex Diseases, pp. 1540-1542
Jean Marx
Spontaneous Order, Evolution, and Life, pp. 1543-1545
M. Mitchell Waldrop
The Chase Continues for Metallic Hydrogen, pp. 1545-1546
Robert Pool
Hubble Space Telescope Takes Aim at the Stars, pp. 1546-1547
M. Mitchell Waldrop


Population Dynamics of the United States and the Soviet Union, pp. 1548-1552
Barbara Boyle Torrey; W. Ward Kingkade

Soft X-Ray Lasers and Their Applications, pp. 1553-1557
S. Suckewer; C. H. Skinner


Research Article
Precise Monitoring of Global Temperature Trends from Satellites, pp. 1558-1562
Roy W. Spencer; John R. Christy


Reports
A Cellular Automaton Model of Excitable Media Including Curvature and Dispersion, pp. 1563-1566
Martin Gerhardt; Heike Schuster; John J. Tyson
Discovery of the Oldest Known Anthropoidean Skull from the Paleogene of Egypt, pp. 1567-1569
Elwyn L. Simons
Intragranular Diffusion: An Important Mechanism Influencing Solute Transport in Clastic Aquifers?, pp. 1569-1572
Warren W. Wood; Thomas F. Kraemer; Paul P. Hearn, Jr.
Orientational Dielectric Relaxation of Collisionless Molecules, pp. 1572-1575
Francis W. Farley; Gary M. McClelland
The Actin-Binding Protein Profilin Binds to PIP2 and Inhibits Its Hydrolysis by Phospholipase C, pp. 1575-1578
Pascal J. Goldschmidt-Clermont; Laura M. Machesky; Joseph J. Baldassare; Thomas D. Pollard
Binding of GAP to Activated PDGF Receptors, pp. 1578-1581
Andrius Kazlauskas; Christine Ellis; Tony Pawson; Jonathan A. Cooper
A New Member of the Leucine Zipper Class of Proteins That Binds to the HLA DRα Promoter, pp. 1581-1584
Hsiou-Chi Liou; Mark R. Boothby; Patricia W. Finn; Ruth Davidon; Nasrin Nabavi; Nancy J. Zeleznik-Le; Jenny P.-Y. Ting; Laurie H. Glimcher
T Cell Antigen Receptor-Mediated Activation of Phospholipase C Requires Tyrosine Phosphorylation, pp. 1584-1587
T. Mustelin; K. M. Coggeshall; N. Isakov; A. Altman
Limit of T Cell Tolerance to Self Proteins by Peptide Presentation, pp. 1587-1589
Hansjörg Schild; Olaf Rötzschke; Hubert Kalbacher; Hans-Georg Rammensee
Endogenous Cholecystokinin Reduces Feeding in Young Rats, pp. 1589-1591
Aron Weller; Gerard P. Smith; James Gibbs


Book Reviews
On Experimentation, pp. 1592-1593
The Uses of Experiment. Studies in the Natural Sciences.
David Gooding; Trevor Pinch; Simon Schaffer
Review author[s]: Yves Gingras
Energy Efforts, pp. 1593-1594
Synthetic Fuel Technology Development in the United States. A Retrospective Assessment.
Michael Crow; Barry Bozeman; Walter Meyer; Ralph Shangraw, Jr.
Review author[s]: Peter J. T. Morris
----------------, p. 1594
Modulation of Defined Vertebrate Neural Circuits.
Michael Davis; Barry L. Jacobs; Ronald I. Schoenfeld
Review author[s]: K. L.
----------------, p. 1594
Advances in Mutagenesis Research. Vol. 1.
G. Obe
Review author[s]: K. L.
Books Received, p. 1594


Back Matter (18 pp.)

Previous Issue: New Series, Vol. 247, No. 4949, Mar. 23, 1990
Next Issue: New Series, Vol. 248, No. 4951, Apr. 6, 1990



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