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Science, New Series, Vol. 282, No. 5395, Dec. 4, 1998


Previous Issue: New Series, Vol. 282, No. 5394, Nov. 27, 1998
Next Issue: New Series, Vol. 282, No. 5396, Dec. 11, 1998


Front Matter (31 pp.)
NetWatch, p. 1779
Jocelyn Kaiser


News


News of the Week
On World AIDS Day, a Shadow Looms Over Southern Africa, pp. 1790-1791
Michael Balter
Songbirds Stressed in Winter Grounds, pp. 1791+1793-1794
Bernice Wuethrich
ScienceScope, pp. 1793+1795
Tabletop Laser Packs a Punch, p. 1794
Alexander Hellemans
Steadying Influence for Neurons Identified, pp. 1794-1795
Marcia Barinaga
Heat Shock Protein Mutes Genetic Changes, p. 1796
Elizabeth Pennisi
Visa Bill Creates NSF Scholarships, pp. 1796-1797
Jeffrey Mervis
Drug May Suppress the Craving for Nicotine, pp. 1797+1799
Ingrid Wickelgren
New Czar Aims to Sharpen France's Effort, p. 1799
Michael Balter


News Focus
Mixed Grades for NSF's Bold Reform of Statewide Education, pp. 1800-1805
Jeffrey Mervis
Starbirth, Gamma Blast Hint at Active Early Universe, p. 1806
James Glanz
Geologists Take a Trip to the Red Planet, pp. 1807+1809
Richard A. Kerr


Random Samples, p. 1811
Constance Holden


Essays on Science and Society
Why Must Scientists become More Ethically Sensitive Than They Used to be?, pp. 1813-1814
John Ziman


Science's Compass


Editorial
Passionate Science, p. 1821
Richard B. Gallagher; Christine Gilbert; Barbara Jasny; Andrew Lawler; Elizabeth Pennisi; Linda R. Rowan; Julia Uppenbrink


Letters
Freedom of Information Requests, p. 1823
William H. Goldwater; Michael Gough
Science, Advocacy, and Credibility, pp. 1823-1824
Warren S. Wooster
Human Cloning, pp. 1824-1825
Claire Nader; Stuart A. Newman
Lead Regulation, pp. 1825-1827
Lynn R. Goldman; Bruce P. Lanphear


Corrections and Clarifications: The Slow Birth of Agriculture, p. 1827
Corrections and Clarifications: NetWatch, p. 1827
Corrections and Clarifications: Chromosome 2 Sequence of the Human Malaria Parasite Plasmodium falciparum, p. 1827
Corrections and Clarifications: Embryonic Stem Cell Lines Derived from Human Blastocysts, p. 1827
Corrections and Clarifications: Genomics Research and Human Subjects, p. 1827
Corrections and Clarifications: Environmental Decision-Making, p. 1827


Science's Compass


Policy Forum
What can We Really Learn from TIMSS?, pp. 1830-1831
William H. Schmidt; Curtis C. McKnight


Books and New Media
Seeking Planetary Systems, p. 1832
Looking for Earths. The Race to Find New Solar Systems.
Alan Boss
Review author[s]: Jack J. Lissauer
Small Sources of Great Affliction, pp. 1832-1833
Viruses, Plagues, and History.
Michael B. A. Oldstone
Review author[s]: Robin A. Weiss
Igneous Petrology, pp. 1834-1835
Melts.
M. S. Ghiorso; R. O. Sack; M. Hirschmann; P. D. Asimow
Review author[s]: Glenn A. Gaetani


Perspectives
Just the Facts of Chromatin Transcription, pp. 1836-1837
Sam John; Jerry L. Workman
The Enigmas of Kaposi's Sarcoma, pp. 1837-1839
Robert C. Gallo
Absolute Ages Aren't Exactly, pp. 1840-1841
Paul R. Renne; Daniel B. Karner; Kenneth R. Ludwig
Mirror on the Wall: You're Omnidirectional after All?, pp. 1841-1842
Jonathan P. Dowling
Biological Hydrogen Production: Not so Elementary, pp. 1842-1843
Michael W. W. Adams; Edward I. Stiefel


Essays on Science and Society
Prize Essay, pp. 1844-1845
Hiroyuki Noji


Review
Consciousness and Complexity, pp. 1846-1851
Giulio Tononi; Gerald M. Edelman


Research


Research Articles
X-ray Crystal Structure of the Fe-Only Hydrogenase (Cpl) from Clostridium pasteurianum to 1.8 Angstrom Resolution, pp. 1853-1858
John W. Peters; William N. Lanzilotta; Brian J. Lemon; Lance C. Seefeldt
A 25,000-Year Tropical Climate History from Bolivian Ice Cores, pp. 1858-1864
L. G. Thompson; M. E. Davis; E. Mosley-Thompson; T. A. Sowers; K. A. Henderson; V. S. Zagorodnov; P.-N. Lin; V. N. Mikhalenko; R. K. Campen; J. F. Bolzan; J. Cole-Dai; B. Francou


Reports
53 Mn- 53 Cr Dating of Fayalite Formation in the CV3 Chondrite Mokoia: Evidence for Asteroidal Alteration, pp. 1865-1867
Ian D. Hutcheon; Alexander N. Krot; Klaus Keil; Douglas L. Phinney; Edward R. D. Scott
Magnetic Microstructure of Magnetotactic Bacteria by Electron Holography, pp. 1868-1870
Rafal E. Dunin-Borkowski; Martha R. McCartney; Richard B. Frankel; Dennis A. Bazylinski; Mihály Pósfai; Peter R. Buseck
Climate and Vegetation History of the Midcontinent from 75 to 25 ka: A Speleothem Record from Crevice Cave, Missouri, USA, pp. 1871-1874
Jeffrey A. Dorale; R. Lawrence Edwards; Emi Ito; Luis A. Gonzalez
Oxygen Isotope Exchange between Refractory Inclusion in Allende and Solar Nebula Gas, pp. 1874-1877
Hisayoshi Yurimoto; Motoo Ito; Hiroshi Nagasawa
Single-Molecule Enzymatic Dynamics, pp. 1877-1882
H. Peter Lu; Luying Xun; X. Sunney Xie
Frequency Tuning of Basilar Membrane and Auditory Nerve Fibers in the Same Cochleae, pp. 1882-1884
S. Shyamla Narayan; Andrei N. Temchin; Alberto Recio; Mario A. Ruggero
Linking Winter and Summer Events in a Migratory Bird by Using Stable-Carbon Isotopes, pp. 1884-1886
Peter P. Marra; Keith A. Hobson; Richard T. Holmes
Coupling of Mitosis to the Completion of S Phase Through Cdc34-Mediated Degradation of Wee1, pp. 1886-1889
W. Matthew Michael; John Newport
KCNQ2 and KCNQ3 Potassium Channel Subunits: Molecular Correlates of the M- Channel, pp. 1890-1893
Hong-Sheng Wang; Zongming Pan; Wenmei Shi; Barry S. Brown; Randy S. Wymore; Ira S. Cohen; Jane E. Dixon; David McKinnon
Linkage of ATM to Cell Cycle Regulation by the Chk2 Protein Kinase, pp. 1893-1897
Shuhei Matsuoka; Mingxia Huang; Stephen J. Elledge
dMi-2, a Hunchback-Interacting Protein That Functions in Polycomb Repression, pp. 1897-1900
Johannes Kehle; Dirk Beuchle; Susanne Treuheit; Bea Christen; James A. Kennison; Mariann Bienz; Jürg Müller
Requirement of RSF and FACT for Transcription of Chromatin Templates in Vitro, pp. 1900-1904
Gary LeRoy; George Orphanides; William S. Lane; Danny Reinberg
Patterning of Cortical Efferent Projections by Semaphorin-Neuropilin Interactions, pp. 1904-1906
Franck Polleux; Roman J. Giger; David D. Ginty; Alex L. Kolodkin; Anirvan Ghosh
Genetic Acceleration of AIDS Progression by a Promoter Variant of CCR5, pp. 1907-1911
Maureen P. Martin; Michael Dean; Michael W. Smith; Cheryl Winkler; Bernard Gerrard; Nelson L. Michael; Benhur Lee; Robert W. Doms; Joseph Margolick; Susan Buchbinder; James J. Goedert; Thomas R. O'Brien; Margaret W. Hilgartner; David Vlahov; Stephen J. O'Brien; Mary Carrington
Role of MEKK1 in Cell Survival and Activation of JNK and ERK Pathways Defined by Targeted Gene Disruption, pp. 1911-1914
Toshiaki Yujiri; Susan Sather; Gary R. Fanger; Gary L. Johnson
Mutation-Specific Functional Impairments in Distinct Tau Isoforms of Hereditary FTDP-17, pp. 1914-1917
Ming Hong; Victoria Zhukareva; Vanessa Vogelsberg-Ragaglia; Zbigniew Wszolek; Lee Reed; Bruce I. Miller; Dan H. Geschwind; Thomas D. Bird; Daniel McKeel; Alison Goate; John C. Morris; Kirk C. Wilhelmsen; Gerard D. Schellenberg; John Q. Trojanowski; Virginia M.-Y. Lee


Back Matter (27 pp.)

Previous Issue: New Series, Vol. 282, No. 5394, Nov. 27, 1998
Next Issue: New Series, Vol. 282, No. 5396, Dec. 11, 1998



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