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Previous Issue: New Series, Vol. 261, No. 5126, Sep. 3, 1993
Next Issue: New Series, Vol. 261, No. 5128, Sep. 17, 1993
Front Matter (21 pp.)
Editorial: Clean Thoughts on Clean Air, p. 1371
- Daniel E. Koshland Jr.
Letters
- Protecting the Environment: EPA's Role, pp. 1373-1375
- Carol M. Browner; David Sarokin; William F. Sette; Gregory C. Pratt; Jonathan Lash
Corrections and Clarifications: Science Elites Envy American Cohesion, p. 1375
Corrections and Clarifications: Direct Colorimetric Detection of a Receptor-Ligand Interaction by a Polymerized Bilayer Assembly, p. 1375
Corrections and Clarifications: Can Sustainable Farming Win the Battle of the Bottom Line, p. 1375
ScienceScope, p. 1379
- Richard Stone
News and Comment
- Russian Science Aid Falls Short, pp. 1380-1381+1382-1383
- Christopher Anderson
- A Thin Lifeline to Genome Researchers, p. 1382
- Leslie Roberts
- New Seveso Findings Point to Cancer, p. 1383
- Richard Stone
- NSF Balks at Grants to Entrepreneurs, p. 1384
- Jeffrey Mervis
- Agency Head Quits, Warning of Cuts, p. 1384
- Douglas Powell
Research News
- Learning How to Suppress Cancer, pp. 1385-1387
- Jean Marx
- Chemistry Community Swarms Into Windy City, pp. 1388-1389
- Ivan Amato
- Breaking the Code for the Tuberculosis Invasion, p. 1390
- Peter Aldhous
- Bits of the Lower Mantle Found in Brazilian Diamonds, p. 1391
- Richard A. Kerr
Random Samples, pp. 1392-1393
- John Travis
Perspectives
- Phase Boundaries and Mantle Convection, pp. 1401-1402
- J. E. Vidale; T. Lay
- Catalysis: Design Versus Selection, pp. 1402-1403
- Steven A. Benner
Regioselective and Enantioselective Epoxidation Catalyzed by Metalloporphyrins, pp. 1404-1411
- James P. Collman; Xumu Zhang; Virgil J. Lee; Erich S. Uffelman; John I. Brauman
Research Articles
- Isolation of New Ribozymes from a Large Pool of Random Sequences, pp. 1411-1418
- David P. Bartel; Jack W. Szostak
- Physical Chemistry of the H2SO4/HNO3/H2O System: Implications for Polar Stratospheric Clouds, pp. 1418-1423
- M. J. Molina; R. Zhang; P. J. Wooldridge; J. R. McMahon; J. E. Kim; H. Y. Chang; K. D. Beyer
Reports
- A Detailed Map of the 660-Kilometer Discontinuity Beneath the Izu-Bonin Subduction Zone, pp. 1424-1427
- Charles W. Wicks, Jr.; Mark A. Richards
- Comparisons Between Seismic Earth Structures and Mantle Flow Models Based on Radial Correlation Functions, pp. 1427-1431
- Thomas H. Jordan; Peter Puster; Gary A. Glatzmaier; Paul J. Tackley
- Late Cretaceous Precessional Cycles in Double Time: A Warm-Earth Milankovitch Response, pp. 1431-1434
- J. Park; S. L. D'Hondt; J. W. King; C. Gibson
- Probing Chemical Reactions: Evidence for Exploration of an Excited Potential Energy Surface at Thermal Energies, pp. 1434-1436
- Michael D. Barnes; Philip R. Brooks; R. F. Curl; Bruce R. Johnson
- Why Silicon Is Hard, pp. 1436-1439
- John J. Gilman
- Convergent Regulation of Sodium Channels by Protein Kinase C and cAMP- Dependent Protein Kinase, pp. 1439-1442
- Ming Li; James W. West; Randal Numann; Brian J. Murphy; Todd Scheuer; William A. Catterall
- NF-κB Activation by Ultraviolet Light Not Dependent on a Nuclear Signal, pp. 1442-1445
- Yoram Devary; Caridad Rosette; Joseph A. DiDonato; Michael Karin
- Inhibition of Viral Replication by Interferon-γ-Induced Nitric Oxide Synthase, pp. 1445-1448
- Gunasegaran Karupiah; Qiao-Wen Xie; R. Mark L. Buller; Carl Nathan; Cornelio Duarte; John D. MacMicking
- Helper T Cells Without CD4: Control of Leishmaniasis in CD4-Deficient Mice, pp. 1448-1451
- Richard M. Locksley; Steven L. Reiner; Farah Hatam; Dan R. Littman; Nigel Killeen
- MHC-Restricted Depletion of Human Myelin Basic Protein-Reactive T Cells by T Cell Vaccination, pp. 1451-1454
- Jingwu Zhang; Robert Medaer; Piet Stinissen; David Hafler; Jef Raus
- Cloning of an M. tuberculosis DNA Fragment Associated with Entry and Survival Inside Cells, pp. 1454-1457
- Sergio Arruda; Gloria Bomfim; Ronald Knights; Tellervo Huima-Byron; Lee W. Riley
- High-Resolution Conformation of Gramicidin A in a Lipid Bilayer by Solid- State NMR, pp. 1457-1460
- R. R. Ketchem; W. Hu; T. A. Cross
Book Reviews
- Visionary and Mobilizer, pp. 1461-1462
- Genius in the Shadows. A Biography of Leo Szilard.
- William Lanouette; Bela Silard
- Review author[s]: Silvan Schweber
- An Intricate Ecosystem, pp. 1462-1463
- The Patterned Peatlands of Minnesota.
- H. E. Wright, Jr.; Barbara A. Coffin; Norman E. Aaseng
- Review author[s]: Dale H. Vitt
- Fisheries Oceanography, pp. 1463-1464
- Marine Climate, Weather, and Fisheries. The Effects of Weather and Climatic Changes on Fisheries and Ocean Resources.
- Taivo Laevastu
- Review author[s]: Gary D. Sharp
- The New Microscopy, pp. 1464-1465
- Electron Microdiffraction.
- J. C. H. Spence; J. M. Zuo
- Review author[s]: Roger Vincent
- Books Received, p. 1465
Back Matter (27 pp.)
Previous Issue: New Series, Vol. 261, No. 5126, Sep. 3, 1993
Next Issue: New Series, Vol. 261, No. 5128, Sep. 17, 1993