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Science, New Series, Vol. 286, No. 5449, Dec. 24, 1999


Previous Issue: New Series, Vol. 286, No. 5448, Dec. 17, 1999
Next Issue: New Series, Vol. 287, No. 5450, Jan. 7, 2000


Front Matter (13 pp.)
NetWatch, p. 2423
Jocelyn Kaiser


News


News of the Week
New NIH Rules Promote Greater Sharing of Tools and Materials, pp. 2430-2431
Eliot Marshall
Bracing p53 for the War on Cancer, p. 2431
Elizabeth Pennisi
Agencies Tout Reforms, Seek Greater Support, p. 2432
Robert Koenig
New Tragedy Hits French Observatory, pp. 2432-2433
Alexander Hellemans
Checkpoint Gene Linked to Human Cancer, pp. 2433-2434
Michael Hagmann
ScienceScope, pp. 2433+2435
Link to Parasites Grows Stronger, p. 2434
Jocelyn Kaiser
Possible Clock Messenger Identified, pp. 2434-2436
Marcia Barinaga
mtDNA Shows Signs of Paternal Influence, p. 2436
Evelyn Strauss
Galileo Catches Lava Fountain on Io, pp. 2436-2437
Robert Irion
Mice Cloned from Cultured Stem Cells, p. 2437
Gretchen Vogel


News Focus
Forecasting the Storms and Showers of Space, pp. 2438-2440
Gary Taubes
DNA Cuts Its Teeth-as an Enzyme, pp. 2441-2442
Elizabeth Finkel
Building the Small World of the Future, pp. 2442-2444
Robert F. Service
Science Staggers Along After Deadly Earthquake, p. 2444
Dennis Normile
UCSF on the Move to New Mission Bay Campus, pp. 2445-2446
Marcia Barinaga


Random Samples, p. 2447
Constance Holden


Science's Compass


Editorial
Life Sciences' Stewardship of Science, p. 2448
Philip M. Smith


Letters
The Bayesian Way, p. 2449
Kenyon B. De Greene; Edward Beardsworth
U.S. and Cuban Scientific Exchange, pp. 2449-2450
Mark M. Rasenick
Responding to the River, p. 2450
Review author[s]: Stanley A. Plotkin; Hilary Koprowski
Tenured Women in Academia, pp. 2450-2451
Kevin T. Kilty; Andrew Lawler; Sarah Hitchcock-DeGregori; Richard H. Milburn
A "Mite" More Information, pp. 2451-2452
Ronald Ochoa
Funding for the Unexpected, p. 2452
Donald S. Dwyer
Corrections and Clarifications: On the Edge of the Solar System, p. 2452
Corrections and Clarifications: Differentiation Stage-Specific Inhibition of the Raf-MEK-ERK Pathway by Akt, p. 2452


Policy Forum
Reducing Liver Cancer-Global Control of Aflatoxin, pp. 2453-2454
Sara Hale Henry; F. Xavier Bosch; Terry C. Troxell; P. Michael Bolger


Books et al.
So That Others Might Also Live, pp. 2455-2456
Night Falls Fast. Understanding Suicide.
Kay Redfield Jamison
Review author[s]: Leon Eisenberg
Paying for Disasters, p. 2456
Disasters and Democracy. The Politics of Extreme Natural Events.
Rutherford Platt
Review author[s]: Roger A. Pielke Jr.


Perspectives
Fragmentation Processes in Atomic Collisions, p. 2457
Colm T. Whelan
Sex and Death, pp. 2458-2459
David N. Reznick; Cameron Ghalambor
Semiconductor Lasers Lose Their Cool, pp. 2459-2460
Richard M. de la Rue
The CRYs of Flies and Mice, pp. 2460-2461
Paul E. Hardin; Nicholas R. J. Glossop


Visions of the Future: Essay Contest
Address to the AAAS, pp. 2462-2464
Edward McSweegan
Traditional and Cybernetic Sciences Combine to Combat Human Viruses, pp. 2464-2465
Caurnel Morgan
S(t)imulating Science, pp. 2466-2467
Manju M. Hingorani


Research


Research Articles
Genetic Definition and Sequence Analysis of Arabidopsis Centromeres, pp. 2468-2474
Gregory P. Copenhaver; Kathryn Nickel; Takashi Kuromori; Maria-Ines Benito; Samir Kaul; Xiaoying Lin; Michael Bevan; George Murphy; Barbara Harris; Laurence D. Parnell; W. Richard McCombie; Robert A. Martienssen; Marco Marra; Daphne Preuss
Collisional Breakup in a Quantum System of Three Charged Particles, pp. 2474-2479
T. N. Rescigno; M. Baertschy; W. A. Isaacs; C. W. McCurdy


Reports
Quantum Impurity in a Nearly Critical Two-Dimensional Antiferromagnet, pp. 2479-2482
Subir Sachdev; Chiranjeeb Buragohain; Matthias Vojta
Ion Penetration of the Water-Oil Interface, pp. 2482-2485
Kai Wu; Martin J. Iedema; James P. Cowin
Oligotrophy and Nitrogen Fixation During Eastern Mediterranean Sapropel Events, pp. 2485-2488
Julian P. Sachs; Daniel J. Repeta
Heavy Nitrogen in Carbonatites of the Kola Peninsula: A Possible Signature of the Deep Mantle, pp. 2488-2490
Nicolas Dauphas; Bernard Marty
Melting Dynamics Beneath the Tonga-Kermadec Island Arc Inferred from 231 Pa- 235 U Systematics, pp. 2491-2493
Bernard Bourdon; Simon Turner; Claude Allègre
Gas-Rich Galaxy Pair Unveiled in the Lensed Quasar 0957+561, pp. 2493-2495
P. Planesas; J. Martín-Pintado; R. Neri; L. Colina
Enhanced Morphine Analgesia in Mice Lacking β-Arrestin 2, pp. 2495-2498
Laura M. Bohn; Robert J. Lefkowitz; Raul R. Gainetdinov; Karsten Peppel; Marc G. Caron; Fang-Tsyr Lin
Induction of Nitric Oxide-Dependent Apoptosis in Motor Neurons by Zinc- Deficient Superoxide Dismutase, pp. 2498-2500
Alvaro G. Estévez; John P. Crow; Jacinda B. Sampson; Christopher Reiter; Yingxin Zhuang; Gloria J. Richardson; Margaret M. Tarpey; Luis Barbeito; Joseph S. Beckman
A Mutation in the C. elegans EXP-2 Potassium Channel That Alters Feeding Behavior, pp. 2501-2504
M. Wayne Davis; Richard Fleischhauer; Joseph A. Dent; Rolf H. Joho; Leon Avery
Inattentional Blindness Versus Inattentional Amnesia for Fixated but Ignored Words, pp. 2504-2507
Geraint Rees; Charlotte Russell; Christopher D. Frith; Jon Driver
Pharmacological Rescue of Mutant p53 Conformation and Function, pp. 2507-2510
Barbara A. Foster; Heather A. Coffey; Michael J. Morin; Farzan Rastinejad
Leakage-Resistant Blood Vessels in Mice Transgenically Overexpressing Angiopoietin-1, pp. 2511-2514
G. Thurston; C. Suri; K. Smith; J. McClain; T. N. Sato; G. D. Yancopoulos; D. M. McDonald
Reduced MAP Kinase Phosphatase-1 Degradation After p42/p44 MAPK - Dependent Phosphorylation, pp. 2514-2517
Jean-Marc Brondello; Jacques Pouysségur; Fergus R. McKenzie
Bacteriophytochromes: Phytochrome-Like Photoreceptors from Nonphotosynthetic Eubacteria, pp. 2517-2520
Seth J. Davis; Alexander V. Vener; Richard D. Vierstra
A Delayed Wave of Death from Reproduction in Drosophila, pp. 2521-2524
Carla M. Sgrò; Linda Partridge
Linkage Disequilibrium and Recombination in Hominid Mitochondrial DNA, pp. 2524-2525
Philip Awadalla; Adam Eyre-Walker; John Maynard Smith
Cortical Mechanisms of Human Imitation, pp. 2526-2528
Marco Iacoboni; Roger P. Woods; Marcel Brass; Harold Bekkering; John C. Mazziotta; Giacomo Rizzolatti
Heterozygous Germ Line hCHK2 Mutations in Li-Fraumeni Syndrome, pp. 2528-2531
Daphne W. Bell; Jennifer M. Varley; Tara E. Szydlo; Deborah H. Kang; Doke C. R. Wahrer; Kristen E. Shannon; Marcie Lubratovich; Sigitas J. Verselis; Kurt J. Isselbacher; Joseph F. Fraumeni; Jillian M. Birch; Frederick P. Li; Judy E. Garber; Daniel A. Haber
Photic Induction of mPer1 and mPer2 in Cry-Deficient Mice Lacking a Biological Clock, pp. 2531-2534
Hitoshi Okamura; Shigeru Miyake; Yasuo Sumi; Shun Yamaguchi; Akira Yasui; Manja Muijtjens; Jan H. J. Hoeijmakers; Gijsbertus T. J. van der Horst


AAAS News and Notes, pp. 2536-2537
Tiffany Ayers

Back Matter (19 pp.)

Previous Issue: New Series, Vol. 286, No. 5448, Dec. 17, 1999
Next Issue: New Series, Vol. 287, No. 5450, Jan. 7, 2000



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