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Science, New Series, Vol. 289, No. 5483, Aug. 25, 2000


Previous Issue: New Series, Vol. 289, No. 5482, Aug. 18, 2000
Next Issue: New Series, Vol. 289, No. 5484, Sep. 1, 2000


Front Matter (37 pp.)
Netwatch, p. 1251
Jocelyn Kaiser

Editors' Choice, pp. 1257+1259
Gilbert Chin


News


News of the Week
Financial Conflicts Get More Scrutiny in Clinical Trials, pp. 1266-1267
Bruce Agnew
Building a Case for Sequencing the Chimp, p. 1267
Ann Gibbons
Rat Genome off to an Early Start, pp. 1267+1269
Elizabeth Pennisi
U.K. Backs Use of Embryos, Sets Vote, pp. 1269-1270
Richard Stone
ScienceScope, pp. 1269+1271
Richard Stone; David Malakoff; Andrew Lawler
Element 107 Leaves the Table Unturned, p. 1270
Robert F. Service
Migrating Otters Push Law to the Limit, pp. 1271+1273
Gretchen Vogel
Team Rejects Claim of Early Indian Fossils, p. 1273
Pallava Bagla
Synapses Shout to Overcome Distance, p. 1273
Laura Helmuth


News Focus
Does Science Drive the Productivity Train?, pp. 1274-1276
David Malakoff
Human Diseases Threaten Great Apes, pp. 1277-1278
Dan Ferber
The Odd Intersection of HIV and Scrub Typhus, p. 1278
Jon Cohen
Asia Gets a Taste of Genetic Food Fights, pp. 1279+1281
Dennis Normile
Rift over Biodiversity Divides Ecologists, pp. 1282-1283
Jocelyn Kaiser


Random Samples, p. 1285
Constance Holden


Science's Compass


Editorial
Limiting Atmospheric CO2</latex>, p. 1293
Philip H. Abelson


Letters
A Primate Genome Project Deserves High Priority, pp. 1295-1296
Edwin H. McConkey; Ajit Varki
NASA's Living with a Star Initiative, p. 1296
Judith T. Karpen; Stamatios M. Krimigis; John F. Appleby; Andrew Lawler
The Archean Atmosphere and Sedimentary Sulfides, pp. 1297-1298
Kenneth M. Towe; D. E. Canfield; K. S. Habicht; B. Thamdrup


Policy Forum
Saving Venice, pp. 1301-1302
Albert J. Ammerman; Charles E. McClennen


Books et al.
Acts of Living, pp. 1303-1304
The Drama of Everyday Life
Karl E. Scheibe
Review author[s]: Rom Harré
The Heavens in a Jewel Box, p. 1304
Rose Center for Earth and Space: American Museum of Natural History
Review author[s]: Jay M. Pasachoff


Perspectives
Europa's Ocean: The Case Strengthens, pp. 1305+1307
David Stevenson
Life as We Don't Know It, pp. 1307-1308
Günter Wächtershäuser
Turning Attraction into Repulsion, pp. 1308-1310
Elena Pasquale
Dolphins Whistle a Signature Tune, pp. 1310-1311
Peter L. Tyack
Therapeutic Manipulation of Gut Flora, pp. 1311-1312
Fergus Shanahan


Research


Research Article
Nucleated Conformational Conversion and the Replication of Conformational Information by a Prion Determinant, pp. 1317-1321
Tricia R. Serio; Anil G. Cashikar; Anthony S. Kowal; George J. Sawicki; Jahan J. Moslehi; Louise Serpell; Morton F. Arnsdorf; Susan L. Lindquist


Reports
Hydrological Impact of Heinrich Events in the Subtropical Northeast Atlantic, pp. 1321-1324
Edouard Bard; Frauke Rostek; Jean-Louis Turon; Sandra Gendreau
Discrete Atom Imaging of One-Dimensional Crystals Formed within Single-Walled Carbon Nanotubes, pp. 1324-1326
Rüdiger R. Meyer; Jeremy Sloan; Rafal E. Dunin-Borkowski; Angus I. Kirkland; Miles C. Novotny; Sam R. Bailey; John L. Hutchison; Malcolm L. H. Green
Unmasking Electronic Energy Transfer of Conjugated Polymers by Suppression of O2 Quenching, pp. 1327-1330
Ji Yu; Dehong Hu; Paul F. Barbara
Calcium-Aluminum-Rich Inclusions from Enstatite Chondrites: Indigenous or Foreign?, pp. 1330-1333
Yunbin Guan; Gary R. Huss; Glenn J. MacPherson; Gerald J. Wasserburg
Incorporation of Short-Lived 10 Be in a Calcium-Aluminum-Rich Inclusion from the Allende Meteorite, pp. 1334-1337
Kevin D. McKeegan; Marc Chaussidon; François Robert
Primordial Carbonylated Iron-Sulfur Compounds and the Synthesis of Pyruvate, pp. 1337-1340
George D. Cody; Nabil Z. Boctor; Timothy R. Filley; Robert M. Hazen; James H. Scott; Anurag Sharma; Hatten S. Yoder Jr.
Galileo Magnetometer Measurements: A Stronger Case for a Subsurface Ocean at Europa, pp. 1340-1343
Margaret G. Kivelson; Krishan K. Khurana; Christopher T. Russell; Martin Volwerk; Raymond J. Walker; Christophe Zimmer
Molecular Analysis of Plant Migration and Refugia in the Arctic, pp. 1343-1346
Richard J. Abbott; Lisa C. Smith; Richard I. Milne; Robert M. M. Crawford; Kirsten Wolff; Jean Balfour
Structure of Yeast Poly(A) Polymerase Alone and in Complex with 3′-dATP, pp. 1346-1349
Joel Bard; Alexander M. Zhelkovsky; Steffen Helmling; Thomas N. Earnest; Claire L. Moore; Andrew Bohm
Differential Clustering of CD4 and CD3ζ during T Cell Recognition, pp. 1349-1352
Matthew F. Krummel; Michael D. Sjaastad; Christoph Wülfing; Mark M. Davis
Treatment of Murine Colitis by Lactococcus lactis Secreting Interleukin-10, pp. 1352-1355
Lothar Steidler; Wolfgang Hans; Lieven Schotte; Sabine Neirynck; Florian Obermeier; Werner Falk; Walter Fiers; Erik Remaut
Whistle Matching in Wild Bottlenose Dolphins (Tursiops truncatus), pp. 1355-1357
Vincent M. Janik
PAX8-PPARγ1 Fusion in Oncogene Human Thyroid Carcinoma, pp. 1357-1360
Todd G. Kroll; Pasha Sarraf; Lorenza Pecciarini; Chang-Jie Chen; Elisabetta Mueller; Bruce M. Spiegelman; Jonathan A. Fletcher
Regulated Cleavage of a Contact-Mediated Axon Repellent, pp. 1360-1365
Mitsuharu Hattori; Miriam Osterfield; John G. Flanagan
Function of an Axonal Chemoattractant Modulated by Metalloprotease Activity, pp. 1365-1367
Michael J. Galko; Marc Tessier-Lavigne


AAAS News and Notes, pp. 1368-1369
Tiffany Ayers

Back Matter (51 pp.)

Previous Issue: New Series, Vol. 289, No. 5482, Aug. 18, 2000
Next Issue: New Series, Vol. 289, No. 5484, Sep. 1, 2000



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