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Science, New Series, Vol. 277, No. 5333, Sep. 19, 1997


Previous Issue: New Series, Vol. 277, No. 5332, Sep. 12, 1997
Next Issue: New Series, Vol. 277, No. 5334, Sep. 26, 1997


Front Matter (42 pp.)
Editorial: Finding Patterns in International Assessments, p. 1743
Marcia C. Linn


Letters
Basic Responsibilities, p. 1745
William B. Herrmannsfeldt
Evidence of Cannibalism?, pp. 1745-1746
Peter Y. Bullock; Margaret H. Jones
World Population and Food Supplies, p. 1746
Albert A. Bartlett
Maximizing U.S. Population?, pp. 1746-1747
B. Meredith Burke
Defining "Microbiology", pp. 1747-1748
Arnost Cepica; Evelyn J. Strauss; Stanley Falkow
Timing of Permian-Triassic Anoxia, pp. 1748-1749
Gregory J. Retallack; William T. Holser; Yukio Isozaki


Corrections and Clarifications: Pathways to Macroscale Order in Nanostructured Block Copolymers, p. 1749
Corrections and Clarifications: Protein Transport by Purified Yeast Sec Complex and Kar2p Without Membranes, p. 1749
Corrections and Clarifications: Archaeologists Rediscover Cannibals, p. 1749
Corrections and Clarifications: Highspeed Materials Design, p. 1749
ScienceScope, p. 1751
Jocelyn Kaiser


News and Comment
Snipping Away at Genome Patenting, pp. 1752-1753
Eliot Marshall
From Science Fiction to Ethics Quandary, pp. 1753-1754
Gretchen Vogel
A Plan to Register Unpublished Studies, p. 1754
Gary Taubes
Satcher Tapped for Top Health Posts, p. 1755
Jocelyn Kaiser
USGS Chief Resigns After Tough Tenure, pp. 1755-1756
Jocelyn Kaiser
Company Targets Asteroid-and Profits, p. 1756
Andrew Lawler
Netherlands Pulls Top Teams' Funding, p. 1757
Michael Balter
Privacy Rules Set No New Research Curbs, p. 1757
Jocelyn Kaiser


Research News
Mastering the Nonlinear Brain, pp. 1758-1760
James Glanz
Oldest Mound Complex Found at Louisiana Site, pp. 1761-1762
Heather Pringle
Gene for Mammals' Body Clocks Found, p. 1762
Michael Balter
Researchers Get Their First Good Look at the Nucleosome, pp. 1763-1764
Carol Featherstone
Polymer Folds Just Like a Protein, p. 1764
Elizabeth Pennisi
Gene Found for the Fading Eyesight of Old Age, pp. 1765-1766
Elizabeth Pennisi
Slicing an Electron's Charge Into Three, p. 1766
David Ehrenstein


Random Samples, pp. 1767+1769
Constance Holden


Book Reviews
Ecological Accountancy, p. 1783
Nature's Services. Societal Dependence on Natural Ecosystems.
Gretchen C. Daily
Review author[s]: David Pearce
Cells and Replicons, pp. 1783-1784
Eukaryotic DNA Replication.
J. Julian Blow
Review author[s]: Carol Newlon


Perspectives
Versatile Collagens in Invertebrates, pp. 1785-1786
Jürgen Engel
Light-Induced Anisotropy in Amorphous Chalcogenides, pp. 1786-1787
Kazunobu Tanaka
Organic Solid-State Lasers: Past and Future, pp. 1787-1788
A. Dodabalapur; E. A. Chandross; M. Berggren; R. E. Slusher
Creating Isoprenoid Diversity, pp. 1788-1789
James C. Sacchettini; C. Dale Poulter


Reports
An Electrochemical Coulomb Staircase: Detection of Single Electron-Transfer Events at Nanometer Electrodes, pp. 1791-1793
Fu-Ren F. Fan; Allen J. Bard
Solvophobically Driven Folding of Nonbiological Oligomers, pp. 1793-1796
James C. Nelson; Jeffery G. Saven; Jeffrey S. Moore; Peter G. Wolynes
A Mound Complex in Louisiana at 5400-5000 Years Before the Present, pp. 1796-1799
Joe W. Saunders; Rolfe D. Mandel; Roger T. Saucier; E. Thurman Allen; C. T. Hallmark; Jay K. Johnson; Edwin H. Jackson; Charles M. Allen; Gary L. Stringer; Douglas S. Frink; James K. Feathers; Stephen Williams; Kristen J. Gremillion; Malcolm F. Vidrine; Reca Jones
Reversible Nanocontraction and Dilatation in a Solid Induced by Polarized Light, pp. 1799-1802
P. Krecmer; A. M. Moulin; R. J. Stephenson; T. Rayment; M. E. Welland; S. R. Elliott
Association of Mutations in a Lysosomal Protein with Classical Late- Infantile Neuronal Ceroid Lipofuscinosis, pp. 1802-1805
David E. Sleat; Robert J. Donnelly; Henry Lackland; Chang-Gong Liu; Istvan Sohar; Raju K. Pullarkat; Peter Lobel
Mutation of the Stargardt Disease Gene (ABCR) in Age-Related Macular Degeneration, pp. 1805-1807
Rando Allikmets; Noah F. Shroyer; Nanda Singh; Johanna M. Seddon; Richard Alan Lewis; Paul S. Bernstein; Andy Peiffer; Norman A. Zabriskie; Yixin Li; Amy Hutchinson; Michael Dean; James R. Lupski; Mark Leppert
Cichlid Fish Diversity Threatened by Eutrophication That Curbs Sexual Selection, pp. 1808-1811
Ole Seehausen; Jacques J. M. van Alphen; Frans Witte
Structure and Function of a Squalene Cyclase, pp. 1811-1815
K. Ulrich Wendt; Karl Poralla; Georg E. Schulz
Structural Basis for Cyclic Terpene Biosynthesis by Tobacco 5-Epi- Aristolochene Synthase, pp. 1815-1820
Courtney M. Starks; Kyoungwhan Back; Joseph Chappell; Joseph P. Noel
Crystal Structure of Pentalenene Synthase: Mechanistic Insights on Terpenoid Cyclization Reactions in Biology, pp. 1820-1824
Charles A. Lesburg; Guangzhi Zhai; David E. Cane; David W. Christianson
Toroidal Structure of λ-Exonuclease, pp. 1824-1827
Rhett Kovall; Brian W. Matthews
25-Hydroxyvitamin D3 1a-Hydroxylase and Vitamin D Synthesis, pp. 1827-1830
Ken-ichi Takeyama; Sachiko Kitanaka; Takashi Sato; Masato Kobori; Junn Yanagisawa; Shigeaki Kato
Extensible Collagen in Mussel Byssus: A Natural Block Copolymer, pp. 1830-1832
Kathryn J. Coyne; Xiao-Xia Qin; J. Herbert Waite


Technical Comments
Highly Variable Mutation Rates in Commensal and Pathogenic Escherichia coli, pp. 1833-1834
Ivan Matic; Miroslav Radman; François Taddei; Bertrand Picard; Catherine Doit; Edouard Bingen; Erick Denamur; Jacques Elion; J. Eugene LeClerc; Thomas A. Cebula


Tech.Sight
Probing the Future, pp. 1845-1847
Mervyn Miles
Primary Target, p. 1848
Robert Sikorski; Richard Peters
Just One Word.Plastics, p. 1849
Richard Peters; Robert Sikorski
Tech Traps, pp. 1849-1851
Robert Silorski; Richard Peters


Back Matter (41 pp.)

Previous Issue: New Series, Vol. 277, No. 5332, Sep. 12, 1997
Next Issue: New Series, Vol. 277, No. 5334, Sep. 26, 1997



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