Articles

 This Week in Science

RUTH LEVY GUYER
Science 22 December 1989: 1539.
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 The Molecule of the Year

DE Koshland, Jr
Science 22 December 1989: 1541.
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 The Molecule of the Year

RL Guyer and DE Koshland, Jr
Science 22 December 1989: 1543-1546.
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 U.S. Scientists and China

JAMES C WANG
Science 22 December 1989: 1547.
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 AIDS drug trials

R Smith
Science 22 December 1989: 1547.
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 Leopard Habitat

DANIEL P ROSENBERG
Science 22 December 1989: 1547.
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 Neuroscience at Washington University

CC Hunt
Science 22 December 1989: 1547.
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 Information policy

DA Lindberg
Science 22 December 1989: 1547-1548.
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 Ethics and USGS

HOWARD WILSHIRE
Science 22 December 1989: 1548-1549.
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 Ethics and USGS

KAREN SCHAMBACH
Science 22 December 1989: 1549.
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 Response: Ethics and USGS

ELIOT MARSHALL
Science 22 December 1989: 1549.
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Erratum

Science 22 December 1989: 1549.
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Erratum

Science 22 December 1989: 1549.
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 Great Telescope, Bad Service Plan: Space Telescope should be as scientifically productive as NASA promised—but only part time; moreover, having the astronauts take care of it in orbit could be a nightmare

M. MITCHELL WALDROP
Science 22 December 1989: 1551-1553.
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 Plea to Bromley: Save Our Neutrons

ROBERT POOL
Science 22 December 1989: 1553.
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 Britain's Lords debate embryo research

J Cherfas
Science 22 December 1989: 1554-1555.
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 Science and PR north of the border

D Powell
Science 22 December 1989: 1555-1556.
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 Maine case deals blow to DNA fingerprinting

C Norman
Science 22 December 1989: 1556-1558.
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 New AIDS drugs take careful aim

J Palca
Science 22 December 1989: 1559-1560.
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 Is the AIDS epidemic slowing?

J Palca
Science 22 December 1989: 1560.
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 Key piece found for immunology puzzle?

J Marx
Science 22 December 1989: 1561.
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Geophysics from Triton to the Deep Blue Sea: New Quake Forecast: North by Northwest

Science 22 December 1989: 1562.
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 Geophysics from Triton to the Deep Blue Sea: Loma Prieta Quake Unsettles Geophysicists

Science 22 December 1989: 1562-1563.
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 Geophysics from Triton to the Deep Blue Sea: A Geologically Young Triton After All?

Science 22 December 1989: 1563.
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 Bringing Down the Sea Level Rise

RICHARD A. KERR
Science 22 December 1989: 1563.
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 R&D Lobby Spends NSF's '91 Budget

MARK H. CRAWFORD
Science 22 December 1989: 1564.
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 AIDS Tests Fail

MARK H. CRAWFORD
Science 22 December 1989: 1564.
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 Global Change Encyclopedia on Disc

MARK H. CRAWFORD
Science 22 December 1989: 1564.
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 Study Puts Admiral Peary at North Pole

MARK H. CRAWFORD
Science 22 December 1989: 1564-1565.
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 A Faster Parallel Computer for 1992

MARK H. CRAWFORD
Science 22 December 1989: 1565.
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 Canadian Kludge?

MARK H. CRAWFORD
Science 22 December 1989: 1565.
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 Bromley OSTP Team at Full Strength?

MARK H. CRAWFORD
Science 22 December 1989: 1565.
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 George Mason U. Snares NSF's Moore

MARK H. CRAWFORD
Science 22 December 1989: 1565.
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 HUGO: Genome Data Open to Scientists

MARK H. CRAWFORD
Science 22 December 1989: 1565.
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 Academy Recognizes Koop

Science 22 December 1989: 1565.
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Origins of Agriculture in Eastern North America

BRUCE D. SMITH
Science 22 December 1989: 1566-1571.
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Quantifying the Information Content of Lattice Images

A. OURMAZD, D. W. TAYLOR, M. BODE, and Y. KIM
Science 22 December 1989: 1571-1577.
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Specific interactions in RNA enzyme-substrate complexes

C Guerrier-Takada, N Lumelsky, and S Altman
Science 22 December 1989: 1578-1584.
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Volatilization of high molecular weight DNA by pulsed laser ablation of frozen aqueous solutions

RW Nelson, MJ Rainbow, DE Lohr, and P Williams
Science 22 December 1989: 1585-1587.
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Growth of Greenland Ice Sheet: Measurement

H. JAY ZWALLY, ROBERT A. BINDSCHADLER, ANITA C. BRENNER, JUDY A. MAJOR, and JAMES G. MARSH
Science 22 December 1989: 1587-1589.
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Growth of Greenland Ice Sheet: Interpretation

H. JAY ZWALLY
Science 22 December 1989: 1589-1591.
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Thermomolecular Pressure in Surface Melting: Motivation for Frost Heave

J. G. DASH
Science 22 December 1989: 1591-1593.
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Air Ventilation by Recoil Aspiration in Polypterid Fishes

ELIZABETH L. BRAINERD, KAREL F. LIEM, and CRISTIAN T. SAMPER
Science 22 December 1989: 1593-1595.
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The anticodon contains a major element of the identity of arginine transfer RNAs

LH Schulman and H Pelka
Science 22 December 1989: 1595-1597.
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A model of human acute lymphoblastic leukemia in immune-deficient SCID mice

S Kamel-Reid, M Letarte, C Sirard, M Doedens, T Grunberger, G Fulop, MH Freedman, RA Phillips, and JE Dick
Science 22 December 1989: 1597-1600.
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Endothelial interleukin-8: a novel inhibitor of leukocyte-endothelial interactions

MA Gimbrone, Jr, MS Obin, AF Brock, EA Luis, PE Hass, CA Hebert, YK Yip, DW Leung, DG Lowe, WJ Kohr, and et al.
Science 22 December 1989: 1601-1603.
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Conserved repetitive epitope recognized by CD4+ clones from a malaria-immunized volunteer

EH Nardin, DA Herrington, J Davis, M Levine, D Stuber, B Takacs, P Caspers, P Barr, R Altszuler, P Clavijo, and et al.
Science 22 December 1989: 1603-1606.
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Inhibition of antigen-induced lymphocyte proliferation by Tat protein from HIV-1

RP Viscidi, K Mayur, HM Lederman, and AD Frankel
Science 22 December 1989: 1606-1608.
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Mechanisms for regulating expression of membrane isoforms of Fc gamma RIII (CD16)

ML Hibbs, P Selvaraj, O Carpen, TA Springer, H Kuster, MH Jouvin, and JP Kinet
Science 22 December 1989: 1608-1611.
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Membrane anchoring of a human IgG Fc receptor (CD16) determined by a single amino acid

LL Lanier, S Cwirla, G Yu, R Testi, and JH Phillips
Science 22 December 1989: 1611-1613.
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Immunodeficiency and clonal growth of target cells induced by helper-free defective retrovirus

M Huang, C Simard, and P Jolicoeur
Science 22 December 1989: 1614-1617.
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Cyclosporin A specifically inhibits function of nuclear proteins involved in T cell activation

EA Emmel, CL Verweij, DB Durand, KM Higgins, E Lacy, and GR Crabtree
Science 22 December 1989: 1617-1620.
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Molecular cloning of the thyrotropin receptor

M Parmentier, F Libert, C Maenhaut, A Lefort, C Gerard, J Perret, J Van Sande, JE Dumont, and G Vassart
Science 22 December 1989: 1620-1622.
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Regulation of proenkephalin by Fos and Jun

JL Sonnenberg, FJ Rauscher, 3rd, JI Morgan, and T Curran
Science 22 December 1989: 1622-1625.
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Functional analysis of CAR, the target sequence for the Rev protein of HIV-1

ET Dayton, DM Powell, and AI Dayton
Science 22 December 1989: 1625-1629.
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Differential effects of nef on HIV replication: implications for viral pathogenesis in the host

C Cheng-Mayer, P Iannello, K Shaw, PA Luciw, and JA Levy
Science 22 December 1989: 1629-1632.
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RNA editing in plant mitochondria

R Hiesel, B Wissinger, W Schuster, and A Brennicke
Science 22 December 1989: 1632-1634.
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 Steroid binding at sigma-"opioid" receptors

S Schwarz, P Pohl, and GZ Zhou
Science 22 December 1989: 1635-1637.
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 Response: Steroid Binding at -"Opioid" Receptors

TSUNG-PING SU, EDYTHE D. LONDON, and JEROME H. JAFFE
Science 22 December 1989: 1637-1638.
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 Response: Steroid Binding at -"Opioid" Receptors

D. W.R. WALLACE and M. KRYSELL
Science 22 December 1989: 1638-1639.
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 Response: Hydrolysis of Carbon Tetrachloride

D. W.R. WALLACE and M. KRYSELL
Science 22 December 1989: 1638-1639.

 Caterpillars and Polymorphisms

STANLEY H. FAETH and KYLE E. HAMMON
Science 22 December 1989: 1639.
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 Response: Caterpillars and Polymorphisms

ERICK GREENE
Science 22 December 1989: 1639-1640.
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 Does voltage affect excitation-contraction coupling in the heart?

MB Cannell, Berlin, JR, and WJ Lederer
Science 22 December 1989: 1640.
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 Response: Does Voltage Affect Excitation-Contraction Coupling in the Heart?

M. MORAD, L. CLEEMANN, and G. CALLAWAERT
Science 22 December 1989: 1640.
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 Problems of U.S. Industry: Made in America.

DAVID C. MOWERY
Science 22 December 1989: 1642-1643.
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 Long-Term Accommodations: Beyond the Barricades.

WILLIAM M. SULLIVAN
Science 22 December 1989: 1643.
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 Ecologism: Ecology in the 20th Century.

ROBERT A. POIS
Science 22 December 1989: 1644-1645.
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 The Hominin Clade: A Theory of Human and Primate Evolution.

JONATHAN MARKS
Science 22 December 1989: 1645.
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 Halophiles and Their Milieu: Hypersaline Environments.

W. D. GRANT
Science 22 December 1989: 1645-1646.
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 Nuclear Physics: Treatise on Heavy-Ion Science.

ERIK HAGBERG
Science 22 December 1989: 1646-1647.
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 Products & Materials

Science 22 December 1989: 1649.
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