This Week in Science

Editor summaries of this week's papers.
Science 24 December 1999: 2424.
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Editorial:
Life Sciences' Stewardship of Science

Philip M. Smith
Science 24 December 1999: 2448.
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NetWatch

Best of the Web in science.
Science 24 December 1999: 2423.
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 Quarterly Author Index

Science 24 December 1999: 1-16.

 AAAS News & Notes

Science 24 December 1999: 2536-2537.

 NEW PRODUCTS

Science 24 December 1999: 2538.

News of the Week

RESEARCH MANAGEMENT:
New NIH Rules Promote Greater Sharing of Tools and Materials

Eliot Marshall
Science 24 December 1999: 2430-2431.
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CANCER RESEARCH:
Bracing p53 for the War on Cancer

Elizabeth Pennisi
Science 24 December 1999: 2431.
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GERMANY:
Agencies Tout Reforms, Seek Greater Support

Robert Koenig
Science 24 December 1999: 2432.
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ASTRONOMY:
New Tragedy Hits French Observatory

Alexander Hellemans
Science 24 December 1999: 2432-2433.
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HUMAN GENETICS:
Checkpoint Gene Linked to Human Cancer

Michael Hagmann
Science 24 December 1999: 2433-2434.
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DEFORMED FROGS:
Link to Parasites Grows Stronger

Jocelyn Kaiser
Science 24 December 1999: 2434.
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CIRCADIAN RHYTHMS:
Possible Clock Messenger Identified

Marcia Barinaga
Science 24 December 1999: 2434-2436.
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HUMAN GENETICS:
mtDNA Shows Signs of Paternal Influence

Evelyn Strauss
Science 24 December 1999: 2436.
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PLANETARY SCIENCE:
Galileo Catches Lava Fountain on Io

Robert Irion
Science 24 December 1999: 2436-2437.
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CLONING:
Mice Cloned From Cultured Stem Cells

Gretchen Vogel
Science 24 December 1999: 2437.
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ScienceScope

Science 24 December 1999: 2433.
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Random Samples

Science 24 December 1999: 2447.
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News Focus

SPACE SCIENCE:
Forecasting the Storms and Showers of Space

Gary Taubes
Science 24 December 1999: 2438-2440.
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BIOCHEMISTRY:
DNA Cuts Its Teeth--As an Enzyme

Elizabeth Finkel
Science 24 December 1999: 2441-2442.
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MATERIALS RESEARCH SOCIETY MEETING:
Building the Small World of the Future

Robert F. Service
Science 24 December 1999: 2442-2444.
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TAIWAN:
Science Staggers Along After Deadly Earthquake

Dennis Normile
Science 24 December 1999: 2444.
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RESEARCH FACILITIES:
UCSF on the Move to New Mission Bay Campus

Marcia Barinaga
Science 24 December 1999: 2445-2446.
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Letters

This Week's Letters

Science 24 December 1999: 2449.
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 The Bayesian Way

Kenyon B. De Greene; and Edward Beardsworth
Science 24 December 1999: 2449.
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 U.S. and Cuban Scientific Exchange

Mark M. Rasenick
Science 24 December 1999: 2449.
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 Responding to The River

Stanley A. Plotkin and Hilary Koprowski
Science 24 December 1999: 2449.
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 Tenured Women in Academia

Kevin T. Kilty;, Andrew Lawler;, Sarah Hitchcock-DeGregori;, and Richard H. Milburn
Science 24 December 1999: 2449.
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 A "Mite" More Information

Ronald Ochoa
Science 24 December 1999: 2449.
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 Funding for the Unexpected

Donald S. Dwyer
Science 24 December 1999: 2449.
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 CORRECTIONS AND CLARIFICATIONS

Science 24 December 1999: 2449.
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Books et al.

MENTAL HEALTH:
So That Others Might Also Live

Leon Eisenberg
Science 24 December 1999: 2455-2456.
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LAND USE:
Paying for Disasters

Roger A. Pielke Jr.
Science 24 December 1999: 2456.
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 Browsings

Science 24 December 1999: 2456.
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Policy Forum

PUBLIC HEALTH:
Reducing Liver Cancer--Global Control of Aflatoxin

Sara Hale Henry, F. Xavier Bosch, Terry C. Troxell, and P. Michael Bolger
Science 24 December 1999: 2453-2454.
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Perspectives

ATOMIC PHYSICS:
Fragmentation Processes in Atomic Collisions

Colm T. Whelan
Science 24 December 1999: 2457.
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EVOLUTIONARY BIOLOGY:
Sex and Death

David N. Reznick and Cameron Ghalambor
Science 24 December 1999: 2458-2459.
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APPLIED PHYSICS:
Enhanced: Semiconductor Lasers Lose Their Cool

Richard M. De La Rue
Science 24 December 1999: 2459-2460.
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NEUROBIOLOGY:
The CRYs of Flies and Mice

Paul E. Hardin and Nicholas R. J. Glossop
Science 24 December 1999: 2460-2461.
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Visions

Address to the AAAS

Edward McSweegan
Science 24 December 1999: 2462-2464.
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Traditional and Cybernetic Sciences Combine to Combat Human Viruses

Caurnel Morgan
Science 24 December 1999: 2464-2465.
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S(t)imulating Science

Manju M. Hingorani
Science 24 December 1999: 2466-2467.
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Research Articles

Genetic Definition and Sequence Analysis of Arabidopsis Centromeres

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, and Daphne Preuss
Science 24 December 1999: 2468-2474.
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Collisional Breakup in a Quantum System of Three Charged Particles

T. N. Rescigno, M. Baertschy, W. A. Isaacs, and C. W. McCurdy
Science 24 December 1999: 2474-2479.
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Reports

Quantum Impurity in a Nearly Critical Two-Dimensional Antiferromagnet

Subir Sachdev, Chiranjeeb Buragohain, and Matthias Vojta
Science 24 December 1999: 2479-2482.
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Ion Penetration of the Water-Oil Interface

Kai Wu, Martin J. Iedema, and James P. Cowin
Science 24 December 1999: 2482-2485.
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Oligotrophy and Nitrogen Fixation During Eastern Mediterranean Sapropel Events

Julian P. Sachs and Daniel J. Repeta
Science 24 December 1999: 2485-2488.
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Heavy Nitrogen in Carbonatites of the Kola Peninsula: A Possible Signature of the Deep Mantle

Nicolas Dauphas and Bernard Marty
Science 24 December 1999: 2488-2490.
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Melting Dynamics Beneath the Tonga-Kermadec Island Arc Inferred from ²³¹Pa-²³⁵U Systematics

Bernard Bourdon, Simon Turner, and Claude Allègre
Science 24 December 1999: 2491-2493.
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Gas-Rich Galaxy Pair Unveiled in the Lensed Quasar 0957+561

P. Planesas, J. Martín-Pintado, R. Neri, and L. Colina
Science 24 December 1999: 2493-2495.
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Enhanced Morphine Analgesia in Mice Lacking -Arrestin 2 

Laura M. Bohn, Robert J. Lefkowitz, Raul R. Gainetdinov, Karsten Peppel, Marc G. Caron, and Fang-Tsyr Lin
Science 24 December 1999: 2495-2498.
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Induction of Nitric Oxide -- Dependent Apoptosis in Motor Neurons by Zinc-Deficient Superoxide Dismutase

Alvaro G. Estévez, John P. Crow, Jacinda B. Sampson, Christopher Reiter, Yingxin Zhuang, Gloria J. Richardson, Margaret M. Tarpey, Luis Barbeito, and Joseph S. Beckman
Science 24 December 1999: 2498-2500.
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A Mutation in the C. elegans EXP-2 Potassium Channel That Alters Feeding Behavior

M. Wayne Davis, Richard Fleischhauer, Joseph A. Dent, Rolf H. Joho, and Leon Avery
Science 24 December 1999: 2501-2504.
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Inattentional Blindness Versus Inattentional Amnesia for Fixated But Ignored Words

Geraint Rees, Charlotte Russell, Christopher D. Frith, and Jon Driver
Science 24 December 1999: 2504-2507.
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Pharmacological Rescue of Mutant p53 Conformation and Function

Barbara A. Foster, Heather A. Coffey, Michael J. Morin, and Farzan Rastinejad
Science 24 December 1999: 2507-2510.
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Leakage-Resistant Blood Vessels in Mice Transgenically Overexpressing Angiopoietin-1

G. Thurston, C. Suri, K. Smith, J. McClain, T. N. Sato, G. D. Yancopoulos, and D. M. McDonald
Science 24 December 1999: 2511-2514.
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Reduced MAP Kinase Phosphatase-1 Degradation After p42/p44^MAPK-Dependent Phosphorylation

Jean-Marc Brondello, Jacques Pouysségur, and Fergus R. McKenzie
Science 24 December 1999: 2514-2517.
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Bacteriophytochromes: Phytochrome-Like Photoreceptors from Nonphotosynthetic Eubacteria

Seth J. Davis, Alexander V. Vener, and Richard D. Vierstra
Science 24 December 1999: 2517-2520.
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A Delayed Wave of Death from Reproduction in Drosophila

Carla M. Sgrò and Linda Partridge
Science 24 December 1999: 2521-2524.
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Linkage Disequilibrium and Recombination in Hominid Mitochondrial DNA

Philip Awadalla, Adam Eyre-Walker, and John Maynard Smith
Science 24 December 1999: 2524-2525.
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Cortical Mechanisms of Human Imitation

Marco Iacoboni, Roger P. Woods, Marcel Brass, Harold Bekkering, John C. Mazziotta, and Giacomo Rizzolatti
Science 24 December 1999: 2526-2528.
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Heterozygous Germ Line hCHK2 Mutations in Li-Fraumeni Syndrome

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, and Daniel A. Haber
Science 24 December 1999: 2528-2531.
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Photic Induction of mPer1 and mPer2 in Cry-Deficient Mice Lacking a Biological Clock

Hitoshi Okamura, Shigeru Miyake, Yasuo Sumi, Shun Yamaguchi, Akira Yasui, Manja Muijtjens, Jan H. J. Hoeijmakers, and Gijsbertus T. J. van der Horst
Science 24 December 1999: 2531-2534.
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Technical Comments

 Population Cycles and Parasitism

Xavier Lambin, Charles J. Krebs, Robert Moss, Nils Chr. Stenseth, Nigel G. Yoccoz;, Peter J. Hudson, Andy P. Dobson, and Dave Newborn;
Science 24 December 1999: 2425.
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