Articles

 THIS WEEK IN SCIENCE

Science 18 March 1994: 1541.
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 Need for Enhanced Nuclear Safeguards

Philip H. Abelson
Science 18 March 1994: 1543.
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 Is dioxin a human carcinogen? (continued)

SS Sternberg
Science 18 March 1994: 1545-1546.
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 Reacting to gasoline additives

JP Middaugh
Science 18 March 1994: 1545.
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 Cell transplantation and research design

DL Felten
Science 18 March 1994: 1546.
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 An Inclusive Budget Process

David Lightfoot
Science 18 March 1994: 1548.
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 Superconductor Radiation Damage After Doping

R. L. Fleischer
Science 18 March 1994: 1548-1549.
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 Response

Gary Taubes
Science 18 March 1994: 1549.
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 SCIENCESCOPE

Science 18 March 1994: 1551.
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 French gene mappers at crossroads

P Aldhous
Science 18 March 1994: 1552-1554.
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 Dispute Over Company Link Roils CEPH

Peter Aldhous
Science 18 March 1994: 1553.
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 Généthon: An Industrial Approach to Isolating Genes

Peter Aldhous
Science 18 March 1994: 1554.
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 Nicotine scrutinized as FDA seeks to regulate cigarettes

R Nowak
Science 18 March 1994: 1555-1556.
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 Professor Slams MIT Over Center Closure

John Travis
Science 18 March 1994: 1556.
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 India expands electronic research network

B Mangla
Science 18 March 1994: 1557-1558.
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 The First Steps Toward a Virtual Library

Bhupesh Mangla
Science 18 March 1994: 1557.
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 Germany. Public health agency shakeup opposed

M Simm
Science 18 March 1994: 1558.
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 Stalking the start of colon cancer

RF Service
Science 18 March 1994: 1559-1560.
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 Fire Ants Parlay Their Queens Into a Threat to Biodiversity

Charles C. Mann
Science 18 March 1994: 1560-1561.
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 Did Pinatubo Send Climate-Warming Gases Into a Dither?

Richard A. Kerr
Science 18 March 1994: 1562.
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 Molecule makers learn the rules of a crooked game

F Flam
Science 18 March 1994: 1563-1564.
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 The Calculated Approach to Protein Folding

Faye Flam
Science 18 March 1994: 1563.
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 'Long PCR' leaps into larger DNA sequences

J Cohen
Science 18 March 1994: 1564-1565.
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 New CF Drug Goes Pro Bono

Science 18 March 1994: 1566.
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 Journal Quails Over Oiled Turtles

Science 18 March 1994: 1566.
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 A Lunar Idea

Science 18 March 1994: 1566.
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 First Satellite of an Asteroid Discovered

Science 18 March 1994: 1566-1567.
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 Lefty Longevity: Another Study

Science 18 March 1994: 1567.
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 Soviet-Style Conundrums for U.S. Youth

Science 18 March 1994: 1567.
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 U.K. Research Council Gets Oxford Head

Science 18 March 1994: 1567.
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 Spatiotemporal Chaos

M. C. Cross and P. C. Hohenberg
Science 18 March 1994: 1569-1570.
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 Time is the essence: molecular analysis of the biological clock

TL Page
Science 18 March 1994: 1570-1572.
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Why Snakes Have Forked Tongues

Kurt Schwenk
Science 18 March 1994: 1573-1577.
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Negative feedback defining a circadian clock: autoregulation of the clock gene frequency

BD Aronson, KA Johnson, JJ Loros, and JC Dunlap
Science 18 March 1994: 1578-1584.
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5-Coordinate Si Compounds as Intermediates in the Synthesis of Silicates in Nonaqueous Media

Bruno Herreros, Stuart W. Carr, and Jacek Klinowski
Science 18 March 1994: 1585-1587.
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Recent Changes in Atmospheric Carbon Monoxide

Paul C. Novelli, Ken A. Masarie, Pieter P. Tans, and Patricia M. Lang
Science 18 March 1994: 1587-1590.
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Sound Velocities in Dense Hydrogen and the Interior of Jupiter

Thomas S. Duffy, Willem L. Vos, Chang-sheng Zha, Russell J. Hemley, and Ho-kwang Mao
Science 18 March 1994: 1590-1593.
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Short-Lived Chemical Heterogeneities in the Archean Mantle with Implications for Mantle Convection

Janne Blichert-Toft and Francis Albarede
Science 18 March 1994: 1593-1596.
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Growth of Diamond from Atomic Hydrogen and a Supersonic Free Jet of Methyl Radicals

Szetsen Steven Lee, David W. Minsek, Daniel J. Vestyck, and Peter Chen
Science 18 March 1994: 1596-1598.
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An in Vitro System for Adhesion and Fusion of Maize Gametes

J. -E. Faure, C. Digonnet, and C. Dumas
Science 18 March 1994: 1598-1600.
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Biodegradable long-circulating polymeric nanospheres

R Gref, Y Minamitake, MT Peracchia, V Trubetskoy, V Torchilin, and R Langer
Science 18 March 1994: 1600-1603.
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Loss of circadian behavioral rhythms and per RNA oscillations in the Drosophila mutant timeless

A Sehgal, JL Price, B Man, and MW Young
Science 18 March 1994: 1603-1606.
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Block in nuclear localization of period protein by a second clock mutation, timeless

LB Vosshall, JL Price, A Sehgal, L Saez, and MW Young
Science 18 March 1994: 1606-1609.
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Activation of phosphatidylinositol-3' kinase by Src-family kinase SH3 binding to the p85 subunit

CM Pleiman, WM Hertz, and JC Cambier
Science 18 March 1994: 1609-1612.
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Requirement for transcription factor IRF-1 in NO synthase induction in macrophages

R Kamijo, H Harada, T Matsuyama, M Bosland, J Gerecitano, D Shapiro, J Le, SI Koh, T Kimura, SJ Green, and al. et
Science 18 March 1994: 1612-1615.
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Positive and negative thymocyte selection induced by different concentrations of a single peptide

E Sebzda, VA Wallace, J Mayer, RS Yeung, TW Mak, and PS Ohashi
Science 18 March 1994: 1615-1618.
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Requirement for BDNF in activity-dependent survival of cortical neurons

A Ghosh, J Carnahan, and ME Greenberg
Science 18 March 1994: 1618-1623.
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Long-range cis preference in DNA homology search over the length of a Drosophila chromosome

WR Engels, CR Preston, and DM Johnson-Schlitz
Science 18 March 1994: 1623-1625.
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Mutation of a mutL homolog in hereditary colon cancer

N Papadopoulos, NC Nicolaides, YF Wei, SM Ruben, KC Carter, CA Rosen, WA Haseltine, RD Fleischmann, CM Fraser, MD Adams, and al. et
Science 18 March 1994: 1625-1629.
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Coatomer interaction with di-lysine endoplasmic reticulum retention motifs

P Cosson and F Letourneur
Science 18 March 1994: 1629-1631.
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 The Swedish Scene

Finn Aaserud
Science 18 March 1994: 1633-1635.
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 Psychology via Physiology

M. E. Bitterman
Science 18 March 1994: 1635-1636.
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 Vignettes: Discrimination

Science 18 March 1994: 1635.
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 Living Landscapes

David P. Adam
Science 18 March 1994: 1636-1637.
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 PRODUCTS & MATERIALS

Science 18 March 1994: 1638.
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