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Previous Issue: New Series, Vol. 253, No. 5021, Aug. 16, 1991
Next Issue: New Series, Vol. 253, No. 5023, Aug. 30, 1991
Front Matter (11 pp.)
Resources of Plant Germplasm, p. 833
- Philip H. Abelson
Letters
- Women Lab Heads, p. 834
- Marion Freistadt
- Shaking the Family Tree, p. 834
- G. N. van Vark; A. Bilsborough
- EC Biotechnology Policy, pp. 834-835
- Stephen Cooney
- Support for Jenny Harrison, p. 835
- Patricia St. Lawrence
Erratum: Popovic Blasts Accusers, Demands Report be Withdrawn, p. 835
Erratum: Three-Dimensional Readout of Flash X-ray Images of Living Sperm in Water by Atomic-Force Microscopy, p. 835
Policy Forum
- The End of Mandatory Retirement for Tenured Faculty, pp. 838-839
- Albert Rees; Sharon P. Smith
ScienceScope, p. 841
- Richard Stone
News and Comment
- Get-the-Lead-Out Guru Challenged, pp. 842-844
- Joseph Palca
- Greenhouse Bandwagon Rolls On, p. 845
- Richard A. Kerr
- Boston Loses 1992 AIDS Meeting, p. 845
- Michelle Hoffman
- Jawboning Prehistory, p. 846
- Ann Gibbons
- Has Challenger Knocked Out Galileo?, pp. 846-847
- Ann Gibbons
- Policy-Making: Getting Better Data, p. 847
- David P. Hamilton
- Small is Beautiful for University Space Outfit, pp. 848-849
- Jane Bird
- Post-Mortem on Storb Resignation, p. 850
- David P. Hamilton
- A Reprieve for MIT's Magnet Lab, p. 850
- D. P. H.
- A Changing of the Guards, p. 850
- J. P.
Briefings
- Gene Zapping, p. 851
- Richard Stone
- Searching for the Perfect Fit, p. 851
- Richard Stone
- African Research Waning, p. 851
- Richard Stone
- The Case of the Missing Milkweed, p. 851
- Richard Stone
Research News
- Forecasting the Global AIDS Epidemic, pp. 852-854
- Elizabeth Culotta
- The Education of Silicon Linguists, pp. 854-855
- Richard Stone
- Speculating in Precious Computronium, pp. 856-857
- Ivan Amato
- New Clue Found to Alzheimer's, pp. 857-858
- Jean Marx
- Quantum Cryptography's Only Certainty: Secrecy, p. 858
- Faye Flam
Perspectives
- Sigma Factor Relatives in Eukaryotes, p. 859
- Judith A. Jaehning
- Declining Amphibian Populations, p. 860
- David B. Wake
Laser Manipulation of Atoms and Particles, pp. 861-866
- Steven Chu
Ex Situ Conservation of Plant Genetic Resources: Global Development and Environmental Concerns, pp. 866-872
- Joel I. Cohen; J. Trevor Williams; Donald L. Plucknett; Henry Shands
Research Articles
- Atomic Structure of Acetylcholinesterase from Torpedo californica: A Prototypic Acetylcholine-Binding Protein, pp. 872-879
- Joel L. Sussman; Michal Harel; Felix Frolow; Christian Oefner; Adrian Goldman; Lilly Toker; Israel Silman
- Impact-Induced Cleaving and Melting of Alkali-Halide Nanocrystals, pp. 879-883
- Rainer D. Beck; Pamela St. John; Margie L. Homer; Robert L. Whetten
Reports
- 13 C NMR Spectroscopy of KxC 60 : Phase Separation, Molecular Dynamics, and Metallic Properties, pp. 884-886
- R. Tycko; G. Dabbagh; M. J. Rosseinsky; D. W. Murphy; R. M. Fleming; A. P. Ramirez; J. C. Tully
- (RbxK 1-x )3C 60 Superconductors: Formation of a Continuous Series of Solid Solutions, pp. 886-888
- Chia-Chun Chen; Stephen P. Kelty; Charles M. Lieber
- Interpretation of Snow-Climate Feedback as Produced by 17 General Circulation Models, pp. 888-892
- R. D. Cess; G. L. Potter; M.-H. Zhang; J.-P. Blanchet; S. Chalita; R. Colman; D. A. Dazlich; A. D. Del Genio; V. Dymnikov; V. Galin; D. Jerrett; E. Keup; A. A. Lacis; H. Le Treut; X.-Z. Liang; J.-F. Mahfouf; B. J. McAvaney; V. P. Meleshko; J. F. B. Mitchell; J.-J. Morcrette; P. M. Norris; D. A. Randall; L. Rikus; E. Roeckner; J.-F. Royer; U. Schlese; D. A. Sheinin; J. M. Slingo; A. P. Sokolov; K. E. Taylor; W. M. Washington; R. T. Wetherald; I. Yagai
- Declining Amphibian Populations: The Problem of Separating Human Impacts from Natural Fluctuations, pp. 892-895
- Joseph H. K. Pechmann; David E. Scott; Raymond D. Semlitsch; Janalee P. Caldwell; Laurie J. Vitt; J. Whitfield Gibbons
- A Polypeptide from Tomato Leaves Induces Wound-Inducible Proteinase Inhibitor Proteins, pp. 895-898
- Gregory Pearce; Daniel Strydom; Scott Johnson; Clarence A. Ryan
- Evidence of Lactate Dehydrogenase-B Allozyme Effects in the Teleost, Fundulus heteroclitus, pp. 898-900
- Leonard DiMichele; Kennedy T. Paynter; Dennis A. Powers
- Related RNA Polymerase-Binding Regions in Human RAP30/74 and Escherichia coli σ70, pp. 900-902
- Susan McCracken; Jack Greenblatt
- Requirement for Positive Selection of γδ Receptor-Bearing T Cells, pp. 903-905
- Faith B. Wells; Sara-Jo Gahm; Stephen M. Hedrick; Jeffrey A. Bluestone; Alexander Dent; Louis A. Matis
- Targets for Cell Cycle Arrest by the Immunosuppressant Rapamycin in Yeast, pp. 905-909
- Joseph Heitman; N. Rao Movva; Michael N. Hall
- Factor XI Activation in a Revised Model of Blood Coagulation, pp. 909-912
- David Gailani; George J. Broze, Jr.
- Stimulation of Protein Tyrosine Phosphorylation by NMDA Receptor Activation, pp. 912-914
- Hilmar Bading; Michael E. Greenberg
Technical Comments
- Proliferative Breast Disease: Diagnosis and Implications, pp. 915-916
- David L. Page; William D. Dupont; Mark Skolnick; C. Jay Marshall; William McWhorter; David Goldgar; Lisa Cannon-Albright; John H. Ward; Harmon Eyre; G. Berry Schumann; D. Tim Bishop
- Critical Velocity of Stick-Slip Motion, p. 916
- Mark O. Robbins; Peter A. Thompson
Book Reviews
- Scientific Adventuresses, pp. 917-918
- Women in the Field. America's Pioneering Women Naturalists.
- Marcia Myers Bonta
- Review author[s]: Nancy G. Slack
- Underrepresentations, p. 919
- Sage: A Scholarly Journal on Black Women.
- Review author[s]: Evelynn M. Hammonds
- ----------------, p. 919
- Major Evolutionary Radiations.
- P. D. Taylor; G. P. Larwood
- Review author[s]: K. L.
- ----------------, p. 920
- Population Regulation and Dynamics.
- M. P. Hassell; R. M. May
- Review author[s]: K. L.
- Books Received, p. 920
Back Matter (20 pp.)
Previous Issue: New Series, Vol. 253, No. 5021, Aug. 16, 1991
Next Issue: New Series, Vol. 253, No. 5023, Aug. 30, 1991