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Previous Issue: New Series, Vol. 255, No. 5051, Mar. 20, 1992
Next Issue: New Series, Vol. 256, No. 5053, Apr. 3, 1992
Volume Information (10 pp.)
Front Matter (58 pp.)
Methodology and Theory at the Frontier, p. 1621
- Daniel E. Koshland, Jr.
Letters
- Conservation Biology: Its Origins and Definition, pp. 1625-1626
- Alexander H. Harcourt; David Ehrenfeld
- Greenland Research Projects, p. 1626
- John Kelly
- Synchrotron Radiation Facilities, p. 1626
- Giuseppe Viani; Giorgio Margaritondo
- Ig Noble Prize: The Pogo Connection, p. 1626
- David C. Kopaska-Merkel
ScienceScope, p. 1631
- John Travis
News and Comment
- Piecemeal Rescue for Soviet Science, pp. 1632-1634
- David P. Hamilton
- Biotech's Chinese Connection, p. 1635
- Gregor Hodgson
- Bush Tries Trimming R&D Pork, p. 1635
- Eliot Marshall
- In the Trenches, Doubts About Scientific Integrity, p. 1636
- David P. Hamilton
- Do NASA Images Create Fantastic Voyages?, p. 1637
- Richard A. Kerr
Briefings
- New Stanford Head, p. 1638
- Constance Holden
- Liver Transplants Good for Brains, p. 1638
- Constance Holden
- A Voice for Bio-Engineering, p. 1638
- Constance Holden
- Bone Like Plywood, p. 1638
- Constance Holden
- Red Ink at Harvard, pp. 1638-1639
- Constance Holden
- Top Science Jobs Lose Appeal, p. 1639
- Constance Holden
- Asbestos Regs to be Re-Examined, p. 1639
- Constance Holden
- Precolumbian Trees, p. 1639
- Constance Holden
Research News
- Signals Into Unknown Territory, pp. 1640-1641
- Marcia Barinaga
- You Can't Hear the Shape of a Drum, pp. 1642-1643
- Barry Cipra
- Controlling Chemical Reactions With Laser Light, pp. 1643-1644
- Anne Simon Moffat
- Previewing This Year's FASEB Offerings, p. 1645
- Robin Eisner
- Challenging the "No New Neurons" Dogma, p. 1646
- Marcia Barinaga
- Finding Out How a Viral Hitchhiker Snags a Ride, p. 1647
- Robin Eisner
Raising Tibet, pp. 1663-1670
- T. Mark Harrison; Peter Copeland; W. S. F. Kidd; An Yin
Intercellular Communication and Cell-Cell Adhesion, pp. 1671-1677
- S. Jonathan Singer
Research Article
- The Inner Core Translational Triplet and the Density Near Earth's Center, pp. 1678-1682
- D. E. Smylie
Reports
- Laser-Enhanced NMR Spectroscopy, pp. 1683-1685
- W. S. Warren; S. Mayr; D. Goswami; A. P. West, Jr.
- The Breakup of a Meteroite Parent Body and the Delivery of Meteorites to Earth, pp. 1685-1687
- Paul H. Benoit; D. W. G. Sears
- Response of Regional Seismicity to the Static Stress Change Produced by the Loma Prieta Earthquake, pp. 1687-1690
- Paul A. Reasenberg; Robert W. Simpson
- The Fossil Record and Evolution: Comparing Cladistic and Paleontologic Evidence for Vertebrate History, pp. 1690-1693
- Mark A. Norell; Michael J. Novacek
- Predisposition to Renal Cell Carcinoma Due to Alteration of a Cancer Susceptibility Gene, pp. 1693-1695
- Cheryl Walker; Thomas L. Goldsworthy; Douglas C. Wolf; Jeffrey Everitt
- Evidence of a Role for Heterotrimeric GTP-Binding Proteins in Endosome Fusion, pp. 1695-1697
- Maria I. Colombo; Luis S. Mayorga; Patrick J. Casey; Philip D. Stahl
- Chloroplast DNA Evidence on the Ancient Evolutionary Split in Vascular Land Plants, pp. 1697-1699
- Linda A. Raubeson; Robert K. Jansen
- Inhibition of Myeloid Differentiation by the Helix-Loop-Helix Protein Id, pp. 1700-1702
- Brent L. Kreider; Robert Benezra; Giovanni Rovera; Tom Kadesch
- Cloning of a Second Type of Activin Receptor and Functional Characterization in Xenopus Embryos, pp. 1702-1705
- Lawrence S. Mathews; Wylie W. Vale; Chris R. Kintner
- An Amino Acid Mutation in a Potassium Channel That Prevents Inhibition by Protein Kinase C, pp. 1705-1707
- Andreas E. Busch; Michael D. Varnum; R. Alan North; John P. Adelman
- Generation of Neurons and Astrocytes from Isolated Cells of the Adult Mammalian Central Nervous System, pp. 1707-1710
- Brent A. Reynolds; Samuel Weiss
- Evidence for a Computational Distinction Between Proximal and Distal Neuronal Inhibition, pp. 1710-1712
- Eric T. Vu; Franklin B. Krasne
- The Size of Gating Charge in Wild-Type and Mutant Shaker Potassium Channels, pp. 1712-1715
- Nathan E. Schoppa; Ken McCormack; Mark A. Tanouye; Fred J. Sigworth
- Tumor Necrosis Factor-α Activates the Sphingomyelin Signal Transduction Pathway in a Cell-Free System, pp. 1715-1718
- Kenneth A. Dressler; Shalini Mathias; Richard N. Kolesnick
- Identification of the Integrin VLA-2 as a Receptor for Echovirus 1, pp. 1718-1720
- Jeffrey M. Bergelson; Michael P. Shepley; Bosco M. C. Chan; Martin E. Hemler; Robert W. Finberg
Inside AAAS, p. 1726
Book Reviews
- Media Advisory, p. 1750
- Health in the Headlines. The Stories Behind the Stories.
- Stephen Klaidman
- Review author[s]: Timothy E. Cook
- Questions about Parasitism, pp. 1750-1752
- Parasite-Host Associations. Coexistence or Conflict?
- Catherine A. Toft; André Aeschlimann; Liana Bolis
- Review author[s]: Douglas J. Futuyma
- Topological Ramifications, p. 1752
- Knots and Physics.
- Louis H. Kauffman
- Review author[s]: W. B. R. Lickorish
- Books Received, pp. 1752-1754
Back Matter (44 pp.)
Previous Issue: New Series, Vol. 255, No. 5051, Mar. 20, 1992
Next Issue: New Series, Vol. 256, No. 5053, Apr. 3, 1992