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Previous Issue: New Series, Vol. 251, No. 4996, Feb. 22, 1991
Next Issue: New Series, Vol. 251, No. 4998, Mar. 8, 1991
Front Matter (42 pp.)
Gordon Research Conferences, p. 1001
- Richard S. Nicholson
Policy Forum
- U.S. Water Resources Versus an Announced But Uncertain Climate Change, p. 1002
- Paul E. Waggoner
Letters
- Cool Policy, p. 1005
- Jonathan David Cool
- Explaining the Avocado Illusion, p. 1005
- Maurice Hershenson
- High-Temperature Superconductivity Theory, pp. 1005-1007
- Robert Schrieffer; P. W. Anderson; E. Abrahams; R. Laughlin; Frank Wilczek
Erratum: Exact Solution of Large Asymmetric Traveling Salesman Problems, p. 1007
Erratum: Viral Etiology of AIDS and the Gallo Probe, p. 1007
ScienceScope, p. 1011
- David P. Hamilton
News and Comment
- Guidance from Above in the Gulf War, pp. 1012-1014
- Vincent Kiernan
- Caltech Deals With Fraud Allegations, p. 1014
- Leslie Roberts
- Down to the Bone: East German Science Gets Cut, pp. 1015-1016
- Richard Sietmann
- Researchers Protest User Fees at National Labs, p. 1016
- Mark Crawford
- Do We Need More Ph.D.s, or Is Fewer Really Better?, pp. 1017-1018
- Constance Holden
- Europeans Push Computer Plan, p. 1018
- Jeremy Cherfas
Briefings
- Gene Therapy: A New First?, p. 1019
- David P. Hamilton
- Indoor Radon: A Little Less to Worry About, p. 1019
- David P. Hamilton
- Practicing What You Preach at Budget Time, p. 1019
- David P. Hamilton
- Heart Attacks More Severe for Women, p. 1019
- David P. Hamilton
- British Brains Continuing to Drain, p. 1019
- David P. Hamilton
- Capital Science: AAAS Meets in Washington, pp. 1020-1025
- Ann Gibbons; Marcia Barinaga; Eliot Marshall; M. Mitchell Waldrop; Jean Marx; Robert Langreth; J. B.
Research News
- Magellan Paints a Portrait of Venus, pp. 1026-1027
- Richard A. Kerr
- Music of the Spheres, p. 1028
- Barry Cipra
The Evolution of Sex Chromosomes, pp. 1030-1033
- Brian Charlesworth
Physics in Strong Magnetic Fields Near Neutron Stars, pp. 1033-1038
- Alice K. Harding
Molecular Analysis of Protein Assembly in Muscle Development, pp. 1039-1044
- Henry F. Epstein; Donald A. Fischman
Research Article
- Control of Alternative Splicing by the Differential Binding of U1 Small Nuclear Ribonucleoprotein Particle, pp. 1045-1050
- Hai-Chien Kuo; Faiz-ul H. Nasim; Paula J. Grabowski
Reports
- Direct Observation of Global Protein Motion in Hemoglobin and Myoglobin on Picosecond Time Scales, pp. 1051-1054
- L. Genberg; L. Richard; G. McLendon; R. J. Dwayne Miller
- Reduction of Deepwater Formation in the Greenland Sea During the 1980s: Evidence from Tracer Data, pp. 1054-1056
- Peter Schlosser; Gerhard Bönisch; Monika Rhein; Reinhold Bayer
- Evidence for a Phytotoxic Hydroxy-Aluminum Polymer in Organic Soil Horizons, pp. 1056-1058
- Douglas Hunter; Donald S. Ross
- The Greenhouse Effect in Central North America: If Not Now, When?, pp. 1058-1061
- Thomas R. Karl; Richard R. Heim, Jr.; Robert G. Quayle
- Evidence of Strong Earthquake Shaking in the Lower Wabash Valley from Prehistoric Liquefaction Features, pp. 1061-1063
- S. F. Obermeier; N. R. Bleuer; C. A. Munson; P. J. Munson; W. S. Martin; K. M. McWilliams; D. A. Tabaczynski; J. K. Odum; M. Rubin; D. L. Eggert
- New Fossil Evidence on the Sister-Group of Mammals and Early Mesozoic Faunal Distributions, pp. 1063-1065
- Neil H. Shubin; A. W. Crompton; Hans-Dieter Sues; Paul E. Olsen
- Salicornia bigelovii Torr.: An Oilseed Halophyte for Seawater Irrigation, pp. 1065-1067
- Edward P. Glenn; James W. O'Leary; M. Carolyn Watson; T. Lewis Thompson; Robert O. Kuehl
- Characterization of a Dimerization Motif in AP-2 and Its Function in Heterologous DNA-Binding Proteins, pp. 1067-1071
- Trevor Williams; Robert Tijan
- Molecular Nature of the Drosophila Sex Determination Signal and Its Link to Neurogenesis, pp. 1071-1074
- James W. Erickson; Thomas W. Cline
- Enhancement of HIV-1 Cytocidal Effects in CD4+ Lymphocytes by the AIDS-Associated Mycoplasma, pp. 1074-1076
- Shyh-Ching Lo; Shien Tsai; Janet R. Benish; James Wai-Kuo Shih; Douglas J. Wear; Dennis M. Wong
- A Model for the Adjustment of the Mitotic Clock by Cyclin and MPF Levels, pp. 1076-1078
- R. Norel; Z. Agur
- Cell Cycle-Dependent Coupling of the Calcitonin Receptor to Different G Proteins, pp. 1078-1082
- Munmun Chakraborty; Diptendu Chatterjee; Sakari Kellokumpu; Howard Rasmussen; Roland Baron
- Molecular Transfer of a Species-Specific Behavior from Drosophila simulans to Drosophila melanogaster, pp. 1082-1085
- David A. Wheeler; Charalambos P. Kyriacou; Mary L. Greenacre; Qiang Yu; Joan E. Rutila; Michael Rosbash; Jeffrey C. Hall
Book Reviews
- Risk Abatement, p. 1114
- Setting Safety Standards. Regulation in the Public and Private Sectors.
- Ross E. Cheit
- Review author[s]: Susan G. Hadden
- Quest for a Particle, p. 1115
- The Higgs Hunter's Guide.
- John F. Gunion; Howard E. Haber; Gordon Kane; Sally Dawson
- Review author[s]: Roberto Peccei
- Embryogenesis, pp. 1115-1116
- This Side Up. Spatial Determination in the Early Development of Animals.
- Robert Wall
- Review author[s]: William R. Jeffery
- Archeology in Context, pp. 1116-1117
- A History of Archaeological Thought.
- Bruce G. Trigger
- Review author[s]: Jacob W. Gruber
- Books Received, pp. 1117-1118
Back Matter (30 pp.)
Previous Issue: New Series, Vol. 251, No. 4996, Feb. 22, 1991
Next Issue: New Series, Vol. 251, No. 4998, Mar. 8, 1991