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Previous Issue: New Series, Vol. 250, No. 4980, Oct. 26, 1990
Next Issue: New Series, Vol. 250, No. 4982, Nov. 9, 1990
Front Matter (12 pp.)
The Willingness to Risk Failure, p. 609
- Harold T. Shapiro
Letters
- Bridges Committee Procedures, p. 611
- Ralph A. Bradshaw; Alice J. Adler; Frank Chytil; Nelson D. Goldberg; Burton J. Litman
- Metrification Oversold?, pp. 611-612
- Bernard M. Oliver
- Minority Sciences?, p. 612
- Allison R. Palmer
Erratum: A Plant Leucine Zipper Protein that Recognizes an Abscisic Acid Element, p. 612
News and Comment
- Key Primate Research Institute Flounders, pp. 614-616
- Karen Wright
- Final Verdict on Science Budget: Not Bad at All, pp. 617-618
- Joseph Palca
- How Geography Boosted DOE's Budget, p. 618
- David P. Hamilton
- Slick Fix for Hubble Space Telescope?, p. 618
- M. Mitchell Waldrop
- Does Medical Mystery Threaten Biotech?, p. 619
- Philip Raphals
Briefings
- Peer Review of Peer Review?, p. 620
- Constance Holden
- Kyoto Laureates, p. 620
- Constance Holden
- Stanford Fights Back, p. 620
- Constance Holden
- Women in Science Policy, p. 620
- Constance Holden
- Ecology Hero in Interior Department, pp. 620-621
- Constance Holden
- NAS to Study Federal Environment Role, p. 621
- Constance Holden
- EPA Flipflops on Smoking Critic, p. 621
- Constance Holden
- Simulated Travel in Inner Spaces, p. 621
- Constance Holden
Research News
- Gerontology Research Comes of Age, pp. 622+623+624-625
- Ann Gibbons
- A New Bestiary for Aging Research, pp. 622-624
- Virginia Morell
- Putting Chaos to Work, pp. 626-627
- Robert Pool
- How African are "Killer" Bees?, pp. 628+629
- Marcia Barinaga
- Saturn Mission Backed, Europeans Relieved, p. 628
- Jeremy Cherfas
- Materials Tips from Sea Urchins, p. 629
- Robert Pool
Perspective
- Out on a Limb: Arthropod Origins, pp. 632-633
- Richard K. Grosberg
In Search of Methuselah: Estimating the Upper Limits to Human Longevity, pp. 634-640
- S. Jay Olshansky; Bruce A. Carnes; Christine Cassel
The Interdiffusion of Polymers, pp. 640-646
- Jacob Klein
Research Articles
- A Thermodynamic Scale for the Helix-Forming Tendencies of the Commonly Occurring Amino Acids, pp. 646-651
- Karyn T. O'Neil; William F. DeGrado
- Protein Splicing Converts the Yeast TFP1 Gene Product to the 69-kD Subunit of the Vacuolar H+-Adenosine Triphosphatase, pp. 651-657
- Patricia M. Kane; Carl T. Yamashiro; David F. Wolczyk; Norma Neff; Mark Goebl; Tom H. Stevens
Reports
- Land Animals in the Silurian: Arachnids and Myriapods from Shropshire, England, pp. 658-661
- Andrew J. Jeram; Paul A. Selden; Dianne Edwards
- Hydroxyl Radical Photoproduction in the Sea and Its Potential Impact on Marine Processes, pp. 661-664
- Kenneth Mopper; Xianliang Zhou
- Intercalation of Sea Urchin Proteins in Calcite: Study of a Crystalline Composite Material, pp. 664-667
- Amir Berman; Lia Addadi; Åke Kvick; Leslie Leiserowitz; Mitch Nelson; Stephen Weiner
- The Origin of Crustacean Biramous Appendages and the Evolution of Arthropoda, pp. 667-669
- Michael J. Emerson; Frederick R. Schram
- Side Chain Contributions to the Stability of Alpha-Helical Structure in Peptides, pp. 669-673
- Pingchiang C. Lyu; Mark I. Liff; Luis A. Marky; Neville R. Kallenbach
- Increased Activity of Calcium Leak Channels in Myotubes of Duchenne Human and mdx Mouse Origin, pp. 673-676
- Peying Fong; Paul R. Turner; Wilfred F. Denetclaw; Richard A. Steinhardt
- An Unusual Form of Lipid Linkage to the CD45 Peptide, pp. 676-679
- Akiko Takeda; Abby L. Maizel
- Expression of Murine CD1 on Gastrointestinal Epithelium, pp. 679-682
- Paul A. Bleicher; Steven P. Balk; Susan J. Hagen; Richard S. Blumberg; Thomas J. Flotte; Cox Terhorst
- Down-Regulation of LFA-1 Adhesion Receptors by C-myc Oncogene in Human B Lymphoblastoid Cells, pp. 682-686
- Giorgio Inghirami; Francesco Grignani; Lars Sternas; Luigia Lombardi; Daniel M. Knowles; Riccardo Dalla-Favera
- An Organ-Specific Differentiation Gene, pha-1, from Caenorhabditis elegans, pp. 686-688
- Heinke Schnabel; Ralf Schnabel
- Changes in Sodium Channel Gating Produced by Point Mutations in a Cytoplasmic Linker, pp. 688-691
- J. Randall Moorman; Glenn E. Kirsch; Arthur M. Brown; Rolf H. Joho
- Behavioral Effects of Progesterone Associated with Rapid Modulation of Oxytocin Receptors, pp. 691-694
- Michael Schumacher; Héctor Coirini; Donald W. Pfaff; Bruce S. McEwen
Inside AAAS, pp. 695-698
Book Reviews
- Cultural Perestroika, pp. 699-700
- Science and the Soviet Social Order.
- Loren R. Graham
- Review author[s]: Jeffrey Brooks
- The Chemicals Sector, p. 700
- The Chemical Industry in the USSR. An Economic Geography.
- Matthew J. Sagers; Theodore Shabad
- Review author[s]: Robert W. Campbell
- The Physiology of Thirst, p. 701
- Thirst and Sodium Appetite. Physiological Basis.
- Sebastian P. Grossman
- Review author[s]: James T. Fitzsimons
- Stellar Explosions, p. 702
- Supernovae.
- Albert G. Petschek
- Review author[s]: Sidney van den Bergh
- Books Received, pp. 702-703
Back Matter (21 pp.)
Previous Issue: New Series, Vol. 250, No. 4980, Oct. 26, 1990
Next Issue: New Series, Vol. 250, No. 4982, Nov. 9, 1990