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Science, New Series, Vol. 239, No. 4842, Feb. 19, 1988


Previous Issue: New Series, Vol. 239, No. 4841, Feb. 12, 1988
Next Issue: New Series, Vol. 239, No. 4843, Feb. 26, 1988


Front Matter (25 pp.)
To Retire or not to Retire, that is the Question, p. 845
Daniel E. Koshland


Letters
Anonymous Charges, p. 847
Lee Loevinger
Stratospheric Ozone, p. 847
Robert T. Watson; Michael J. Prather
Stratospheric Ozone: Response, pp. 847-848
Kenneth P. Bowman
Breast Cancer Study, p. 848
Lewis H. Kuller
A Larger Question?, p. 848
A. C. Hall


Erratum: Spacelab-2 Plasma Depletion Experiments for Ionospheric and Radio Astronomical Studies, p. 848


News & Comment
The Space Shack, pp. 855-857
Eliot Marshall


Briefing
Congress's Handiwork on the R&D Budget, p. 857
M.C.
Press Asks Reprieve for Condemned Somalis, p. 857
C.H.

Industry Lobbies Hard for R&D Tax Credit, pp. 858-859
Mark Crawford
Red Tape and Federal Grants, p. 859
Greg Pearson
SDI Test Takes Measure of Potential Targets, p. 860
Colin Norman
Designs on a National Research Network, p. 861
John Walsh
Reuters to Defy Journal Embargo, p. 862
Constance Holden
Dividing the Pie at NSF, p. 862
John Walsh


Research News
First Portrait of an Oncogene Product, p. 863
Jean L. Marx
New Data Intensify the Agony over Ecstasy, pp. 864-866
Deborah M. Barnes
Heart of Darkness, p. 866
M. Mitchell Waldrop
Sea Urchin Massacre is a Natural Experiment, p. 867
Roger Lewin
The New Eye of Texas is Soon to be upon Us, p. 868
M. Mitchell Waldrop


Recent Progress in the Direct Liquefaction of Coal, pp. 873-877
Robert E. Lumpkin

Cooling, Stopping, and Trapping Atoms, pp. 877-883
William D. Phillips; Phillip L. Gould; Paul D. Lett

Cortical Flow in Animal Cells, pp. 883-888
D. Bray; J. G. White

Three-Dimensional Structure of an Oncogene Protein: Catalytic Domain of Human c-H-ras p21, pp. 888-893
Abraham M. De Vos; Liang Tong; Michael V. Milburn; Pedro M. Matias; Jarmila Jancarik; Shigeru Noguchi; Susumu Nishimura; Kazunobu Miura; Eiko Ohtsuka; Sung-Hou Kim


Reports
Electronic Structure and Valence-Bond Band Structure of Cuprate Superconducting Materials, pp. 896-899
Yuejin Guo; Jean-Marc Langlois; William A. Goddard
The Magnon Pairing Mechanism of Superconductivity in Cuprate Ceramics, pp. 899-902
Guanhua Chen; William A. Goddard
Spectroscopic Evidence for Pressure-Induced Coordination Changes in Silicate Glasses and Melts, pp. 902-905
Quentin Williams; Raymond Jeanloz
Molecular Cloning of a Feline Leukemia Virus that Induces Fatal Immunodeficiency Disease in Cats, pp. 906-910
Julie Overbaugh; Peter R. Donahue; Sandra L. Quackenbush; Edward A. Hoover; James I. Mullins
Site-Directed Mutagenesis of Two Trans-Regulatory Genes (tat-III, trs) of HIV-1, pp. 910-913
M. Reza Sadaie; Thomas Benter; Flossie Wong-Staal
Autocrine Stimulation of Intracellular PDGF Receptors in v-sis-Transformed Cells, pp. 914-916
Mark T. Keating; Lewis T. Williams
Juvenile Hormone Action Mediated in Male Accessory Glands of Drosophila by Calcium and Kinase C, pp. 916-919
Karen Yamamoto; Aline Chadarevian; Maria Pellegrini


Technical Comments
Clathrin: A Matter of Life or Death?, p. 919
Randy Schekman; Gregory Payne
Clathrin: A Matter of Life or Death?: Response, p. 919
Sandra K. Lemmon; Elizabeth W. Jones


Book Reviews
Variance in Academia, pp. 922-923
The Academic Profession
Burton R. Clark
Review author[s]: Alan C. Kerckhoff
Marxism and Soviet Science, p. 923
Science, Philosophy, and Human Behavior in the Soviet Union
Loren R. Graham
Review author[s]: Richard T. De George
Continental Landforms, p. 924
Geomorphic Systems of North America
William L. Graf
Review author[s]: Peter C. Patton
Samples of the Solar System, pp. 924-925
Meteorites and Their Parent Planets
Harry Y. McSween
Review author[s]: Ann M. Vickery
State-of-the-Art Materials, p. 925
Fine Ceramics
Shinroku Saito
Review author[s]: W. D. Kingery


Back Matter (28 pp.)

Previous Issue: New Series, Vol. 239, No. 4841, Feb. 12, 1988
Next Issue: New Series, Vol. 239, No. 4843, Feb. 26, 1988



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