Nuclear Dynamics

Macromolecular Ballet

Valda Vinson, Beverly A. Purnell, Gilbert J. Chin, and Jean Marx
Science 26 May 2000: 1369.
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News

Interfering With Gene Expression

Jean Marx
Science 26 May 2000: 1370-1372.
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Matching the Transcription Machinery to the Right DNA

Elizabeth Pennisi
Science 26 May 2000: 1372-1373.
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Viewpoints

Gatekeepers of the Nucleus

Susan R. Wente
Science 26 May 2000: 1374-1377.
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A Sense of the End

Susan M. Gasser
Science 26 May 2000: 1377-1379.
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Reviews

Splitting the Chromosome: Cutting the Ties That Bind Sister Chromatids

Kim Nasmyth, Jan-Michael Peters, and Frank Uhlmann
Science 26 May 2000: 1379-1384.
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Like Attracts Like: Getting RNA Processing Together in the Nucleus

Joe D. Lewis and David Tollervey
Science 26 May 2000: 1385-1389.
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This Week in Science

Editor summaries of this week's papers.
Science 26 May 2000: 1297.
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Editorial:
Welcome Don Kennedy

Floyd Bloom
Science 26 May 2000: 1341.
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Editors' Choice

Highlights of the recent literature.
Science 26 May 2000: 1301.
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NetWatch

Best of the Web in science.
Science 26 May 2000: 1295.
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 AAAS News & Notes

Science 26 May 2000: 1442-1444.

 NEW PRODUCTS

Science 26 May 2000: 1455.

News of the Week

ASTRONOMY:
Space Telescope, Teamwork Top Priority List for Next Decade

Andrew Lawler
Science 26 May 2000: 1310-1311.
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CALIFORNIA:
UC Teaching Assistants Win First Union Contract

Constance Holden
Science 26 May 2000: 1311.
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CALIFORNIA:
State Ready to Create Three Research Institutes

Evelyn Strauss
Science 26 May 2000: 1311-1313.
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TOXICOLOGY:
Dioxin Draft Sparks Controversy

Jocelyn Kaiser
Science 26 May 2000: 1313-1314.
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MICROBIOLOGY:
New Clues to How the TB Bacillus Persists

Ingrid Wickelgren
Science 26 May 2000: 1314-1315.
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BIOMEDICAL ETHICS:
HHS Plans to Overhaul Clinical Research Rules

Eliot Marshall
Science 26 May 2000: 1315-1316.
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CLIMATOLOGY:
A Refuge for Life on Snowball Earth

Richard A. Kerr
Science 26 May 2000: 1316.
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AIR POLLUTION:
Three Asian Nations Launch Joint Study

Michael Baker
Science 26 May 2000: 1317-1319.
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HYPERTENSION:
A DASH of Data in the Salt Debate

Gary Taubes
Science 26 May 2000: 1319.
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ScienceScope

Science 26 May 2000: 1313.
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Random Samples

Science 26 May 2000: 1331.
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News Focus

VIROLOGY:
The Boom in Biosafety Labs

Martin Enserink
Science 26 May 2000: 1320-1322.
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VIROLOGY:
Learning the Hard Way

Martin Enserink
Science 26 May 2000: 1322.
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PUBLIC HEALTH:
Aluminum Is Put on Trial as a Vaccine Booster

David Malakoff
Science 26 May 2000: 1323-1324.
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EUROPEAN SCIENCE:
A Blow to Austria's Scientific Revival

Robert Koenig
Science 26 May 2000: 1324-1327.
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EUROPEAN SCIENCE:
From Wasteland to Biomedical Wonderland

Robert Koenig
Science 26 May 2000: 1325.
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EUROPEAN SCIENCE:
Teleportation Guru Stakes Out New Ground

Robert Koenig
Science 26 May 2000: 1327.
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MATHEMATICS:
Is That Your Final Equation?

Charles Seife
Science 26 May 2000: 1328-1329.
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MATHEMATICS:
Turn-of-the-Century 'Hit List' Showed the Limits of Mathematical Ambition

Charles Seife
Science 26 May 2000: 1329.
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Letters

This Week's Letters

Science 26 May 2000: 1343.
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 NAS Report Under Scrutiny

Henry I. Miller
Science 26 May 2000: 1343.
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 Snake Origins

Michael S. Y. Lee, John D. Scanlon, Michael W. Caldwell;, Harry W. Greene, and David Cundall
Science 26 May 2000: 1343-1345.
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 Immortality, Anyone?

Michael Phillips;, Hermogenes Rojas;, Patrick Frank;, and John Harris
Science 26 May 2000: 1345-1347.
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 Report Clarification

Makoto Kanzaki, Masahiro Nagasawa, Itaru Kojima, Chikara Sato, Keiji Naruse, Masahiro Sokabe, and Hidetoshi Iida
Science 26 May 2000: 1347.
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Profile

PROFILE:
Donald Kennedy--The Next Editor-in-Chief of Science

Paul R. Ehrlich
Science 26 May 2000: 1349.
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Books et al.

HISTORY OF PHYSICS:
Tangled Causes of the Bomb's Creators

Richard Rhodes
Science 26 May 2000: 1350-1351.
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CHEMISTRY:
Realm of the Rainbow

Thomas Lazar
Science 26 May 2000: 1351.
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 Books Received

Science 26 May 2000: 1351.

Perspectives

SURFACE SCIENCE:
Electron Dynamics at Surfaces

Martin Wolf and Gerhard Ertl
Science 26 May 2000: 1352-1353.
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PALEOCLIMATE:
Enhanced: 1000 Years of Climate Change

Ray Bradley
Science 26 May 2000: 1353-1355.
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ECOLOGY:
Receding Forest Edges and Vanishing Reserves

Claude Gascon, G. Bruce Williamson, and Gustavo A. B. da Fonseca
Science 26 May 2000: 1356-1358.
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STRUCTURAL BIOLOGY:
A Chloride Pump at Atomic Resolution

John L. Spudich
Science 26 May 2000: 1358-1359.
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Research Article

Structure of the Light-Driven Chloride Pump Halorhodopsin at 1.8 Å Resolution

Michael Kolbe, Hüseyin Besir, Lars-Oliver Essen, and Dieter Oesterhelt
Science 26 May 2000: 1390-1396.
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Reports

Anomalous Polarization Profiles in Sunspots: Possible Origin of Umbral Flashes

H. Socas-Navarro, J. Trujillo Bueno, and B. Ruiz Cobo
Science 26 May 2000: 1396-1398.
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Dimensionality Effects in the Lifetime of Surface States

J. Kliewer, R. Berndt, E. V. Chulkov, V. M. Silkin, P. M. Echenique, and S. Crampin
Science 26 May 2000: 1399-1402.
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Real-Time Observation of Adsorbate Atom Motion Above a Metal Surface

Hrvoje Petek, Miles J. Weida, Hisashi Nagano, and Susumu Ogawa
Science 26 May 2000: 1402-1404.
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Electron-Induced Inversion of Helical Chirality in Copper Complexes of N,N-Dialkylmethionines

Steffen Zahn and James W. Canary
Science 26 May 2000: 1404-1407.
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Quantifying Denitrification and Its Effect on Ozone Recovery

A. Tabazadeh, M. L. Santee, M. Y. Danilin, H. C. Pumphrey, P. A. Newman, P. J. Hamill, and J. L. Mergenthaler
Science 26 May 2000: 1407-1411.
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Field Measurement of Slow Metamorphic Reaction Rates at Temperatures of 500° to 600°C

Ethan F. Baxter and Donald J. DePaolo
Science 26 May 2000: 1411-1414.
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Spatial Patterns in the Distribution of Tropical Tree Species

Richard Condit, Peter S. Ashton, Patrick Baker, Sarayudh Bunyavejchewin, Savithri Gunatilleke, Nimal Gunatilleke, Stephen P. Hubbell, Robin B. Foster, Akira Itoh, James V. LaFrankie, Hua Seng Lee, Elizabeth Losos, N. Manokaran, R. Sukumar, and Takuo Yamakura
Science 26 May 2000: 1414-1418.
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Mechanism of ATP-Dependent Promoter Melting by Transcription Factor IIH

Tae-Kyung Kim, Richard H. Ebright, and Danny Reinberg
Science 26 May 2000: 1418-1421.
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Structure and Function of a Human TAF_II250 Double Bromodomain Module

Raymond H. Jacobson, Andreas G. Ladurner, David S. King, and Robert Tjian
Science 26 May 2000: 1422-1425.
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Rapid Destruction of Human Cdc25A in Response to DNA Damage

Niels Mailand, Jacob Falck, Claudia Lukas, Randi G. Syljuåsen, Markus Welcker, Jiri Bartek, and Jiri Lukas
Science 26 May 2000: 1425-1429.
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Chromatin-Independent Nuclear Envelope Assembly Induced by Ran GTPase in Xenopus Egg Extracts

Chuanmao Zhang and Paul R. Clarke
Science 26 May 2000: 1429-1432.
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Nipah Virus: A Recently Emergent Deadly Paramyxovirus

K. B. Chua, W. J. Bellini, P. A. Rota, B. H. Harcourt, A. Tamin, S. K. Lam, T. G. Ksiazek, P. E. Rollin, S. R. Zaki, W.-J. Shieh, C. S. Goldsmith, D. J. Gubler, J. T. Roehrig, B. Eaton, A. R. Gould, J. Olson, H. Field, P. Daniels, A. E. Ling, C. J. Peters, L. J. Anderson, and B. W. J. Mahy
Science 26 May 2000: 1432-1435.
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Granuloma-Specific Expression of Mycobacterium Virulence Proteins from the Glycine-Rich PE-PGRS Family

Lalita Ramakrishnan, Nancy A. Federspiel, and Stanley Falkow
Science 26 May 2000: 1436-1439.
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Regulation of B Lymphocyte and Macrophage Development by Graded Expression of PU.1

Rodney P. DeKoter and Harinder Singh
Science 26 May 2000: 1439-1441.
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Technical Comments

 Reversibility of HIV Drug Resistance

Miles P. Davenport;, S. M. Blower, H. B. Gershengorn, and R. M. Grant;
Science 26 May 2000: 1299.
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