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Previous Issue: New Series, Vol. 269, No. 5221, Jul. 14, 1995
Next Issue: New Series, Vol. 269, No. 5223, Jul. 28, 1995
Front Matter (20 pp.)
Editorial: Big Questions for a Small Planet, p. 283
- Richard B. Gallagher; Joshua Fischman; Pamela J. Hines
Letters
- "Adaptive Mutation": The Debate Goes On, pp. 285-288
- Richard E. Lenski; Paul D. Sniegowski; James A. Shapiro
- Adaptive Mutation and Sex, p. 288
- John Cairns; J. Pablo Radicella; Maurice S. Fox; Peter U. Park
- Mutation Rate of the F Episome, pp. 288-289
- François Taddei; Miroslav Radman; Jennifer A. Halliday; Tim Galitski; John Roth
ScienceScope, p. 291
- Richard Stone
News and Comment
- NIH Escapes the Ax -- For Now, pp. 292-293
- Eliot Marshall
- AIDS Research: Who Should Hold the Purse Strings?, p. 292
- Jon Cohen
- FDA Panel OKs Baboon Marrow Transplant, pp. 293-294
- Elizabeth Pennisi
- Final Rules Put Universities in Charge, p. 294
- Jeffrey Mervis
- Dana-Farber Death Sends a Warning to Research Hospitals, pp. 295-296
- Wade Roush
- China Meeting Signals New Commitment, p. 296
- Ted Plafker
- New Rules Push Researchers Closer to Biotech Industry, pp. 297-298
- Ganapati Mudur
- Joint Dioxin Research Imperiled, p. 298
- Richard Stone
Research News
- Pushing the Data Storage Envelope, pp. 299-300
- Robert F. Service
- How Quasars Make Heavy Metal, p. 300
- James Glanz
- Protein Proves to Be a Key Link in Innate Immunity, pp. 301-302
- Clare Thompson
- Plants Proving Their Worth in Toxic Metal Cleanup, pp. 302-303
- Anne Simon Moffat
- Chernobyl: Life Abounds Without People, p. 304
- Nigel Williams
- Portuguese Rock Art Gets Younger, p. 304
- Joshua Fischman
Random Samples, pp. 305+307
- Jocelyn Kaiser
Frontiers in Biology: Ecology
News
- When Rigor Meets Reality, pp. 313-315
- Wade Roush
- Taking a New Look at Life Through a Functional Lens, pp. 316-317
- Richard Stone
- Filling In Florida's Gaps: Species Protection Done Right?, pp. 318-320
- Charles C. Mann
- Slow Start for Europe's New Habitat Protection Plan, pp. 320-322
- Nigel Williams
- In Hawaii, Taking Inventory of A Biological Hot Spot, pp. 322-323
- Christine Mlot
- Ecosystem Experiments, pp. 324-327
- Stephen R. Carpenter; Sallie W. Chisholm; Charles J. Krebs; David W. Schindler; Richard F. Wright
- Ecological Experiments with Model Systems, pp. 328-331
- John H. Lawton
- Landscape Ecology: Spatial Heterogeneity in Ecological Systems, pp. 331-334
- S. T. A. Pickett; M. L. Cadenasso
- Ecology and Climate: Research Strategies and Implications, pp. 334-341
- Terry L. Root; Stephen H. Schneider
- Population Growth and Earth's Human Carrying Capacity, pp. 341-346
- Joel E. Cohen
- The Future of Biodiversity, pp. 347-350
- Stuart L. Pimm; Gareth J. Russell; John L. Gittleman; Thomas M. Brooks
- Restoring Value to the World's Degraded Lands, pp. 350-354
- Gretchen C. Daily
- International Public Opinion on the Environment, pp. 354-358
- David E. Bloom
- Environmental Unknowns, pp. 358-360
- Norman Myers
Perspectives
- Biological Implications of the Middle Miocene Amazon Seaway, pp. 361-362
- S. David Webb
- Laminin β2 (S-Laminin): A New Player at the Synapse, pp. 362-363
- Zach W. Hall
- Obituary: John Marlie (1945-1995), p. 363
Research Article
- Structurally Complex and Highly Active RNA Ligases Derived from Random RNA Sequences, pp. 364-370
- Eric H. Ekland; Jack W. Szostak; David P. Bartel
Reports
- Quantum Point Contact Switches, pp. 371-373
- D. P. E. Smith
- Ferroelectric Field Effect in Epitaxial Thin Film Oxide SrCuO2/Pb(Zr 0.52 Ti 0.48 )O3 Heterostructures, pp. 373-376
- C. H. Ahn; J.-M. Triscone; N. Archibald; M. Decroux; R. H. Hammond; T. H. Geballe; Ø. Fischer; M. R. Beasley
- Luminescence Enhancement by the Introduction of Disorder into Poly(p-phenylene vinylene), pp. 376-378
- S. Son; A. Dodabalapur; A. J. Lovinger; M. E. Galvin
- Cooling of Tropical Brazil (5°C) during the Last Glacial Maximum, pp. 379-383
- M. Stute; M. Forster; H. Frischkorn; A. Serejo; J. F. Clark; P. Schlosser; W. S. Broecker; G. Bonani
- Primitive Boron Isotope Composition of the Mantle, pp. 383-386
- Marc Chaussidon; Bernard Marty
- Late Miocene Tidal Deposits in the Amazonian Foreland Basin, pp. 386-390
- Matti E. Räsänen; Ari M. Linna; José C. R. Santos; Francisco R. Negri
- Female Responses to Ancestral Advertisement Calls in Túngara Frogs, pp. 390-392
- Michael J. Ryan; A. Stanley Rand
- First-Principles Calculation of the Folding Free Energy of a Three-Helix Bundle Protein, pp. 393-396
- Erik M. Boczko; Charles L. Brooks III
- Telomerase in Yeast, pp. 396-400
- Marita Cohn; Elizabeth H. Blackburn
- Simultaneous Identification of Bacterial Virulence Genes by Negative Selection, pp. 400-403
- Michael Hensel; Jacqueline E. Shea; Colin Gleeson; Michael D. Jones; Emma Dalton; David W. Holden
- Integration of MAP Kinase Signal Transduction Pathways at the Serum Response Element, pp. 403-407
- Alan J. Whitmarsh; Paul Shore; Andrew D. Sharrocks; Roger J. Davis
- Inactivation of the Mouse Huntington's Disease Gene Homolog Hdh, pp. 407-410
- Mabel P. Duyao; Anna B. Auerbach; Angela Ryan; Francesca Persichetti; Glenn T. Barnes; Sandra M. McNeil; Pei Ge; Jean-Paul Vonsattel; James F. Gusella; Alexandra L. Joyner; Marcy E. MacDonald
- Permeation Selectivity by Competition in a Delayed Rectifier Potassium Channel, pp. 410-412
- Stephen J. Korn; Stephen R. Ikeda
- A Synaptic Localization Domain in the Synaptic Cleft Protein Laminin β2 (s-Laminin), pp. 413-416
- Paul T. Martin; Audrey J. Ettinger; Joshua R. Sanes
Technical Comments
- Targeting Retroviral Vectors to Specific Cells, p. 417
- David Kabat; Noriyuki Kasahara; Andrée Dozy; Yuet Wai Kan
- Minimal Path Algorithms, p. 418
- D. Gareth Williams; O. Steinbock; K. Showalter
Book Reviews
- Ongoing Ecology, pp. 421-422
- Long-Term Experiments in Agricultural and Ecological Sciences.
- R. A. Leigh; A. E. Johnston
- Review author[s]: Katherine L. Gross
- Environmental Debate, pp. 422-423
- Reinventing Nature? Responses to Postmodern Deconstruction.
- Michael E. Soulé; Gary Lease
- Review author[s]: Jeffrey Hearn
- Books Received, p. 423
Back Matter (25 pp.)
Previous Issue: New Series, Vol. 269, No. 5221, Jul. 14, 1995
Next Issue: New Series, Vol. 269, No. 5223, Jul. 28, 1995