Articles

 THIS WEEK IN SCICENCE

Science 23 April 1993: 469.
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 Science and Technology in Government

Richard S. Nicholson and Philip H. Abelson
Science 23 April 1993: 471.
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 DNA fingerprinting report

DL Hartl and RC Lewontin
Science 23 April 1993: 473-474.
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 DNA fingerprinting report

BS Weir
Science 23 April 1993: 473.
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 Extraterrestrial Intelligence

Frank Drake
Science 23 April 1993: 474-475.
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 Extraterrestrial Intelligence

John D. Rummel
Science 23 April 1993: 475.
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 Extraterrestrial Intelligence

David M. Raup
Science 23 April 1993: 475.
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 SCIENCESCOPE

Science 23 April 1993: 479.
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 A Clouded Future for IBM Research

David H. Freedman
Science 23 April 1993: 480-481.
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 Drug companies join forces in search for AIDS therapy

J Cohen
Science 23 April 1993: 482.
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 NIH budget. A new kind of earmarking

C Anderson
Science 23 April 1993: 483.
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 Mirror, Mirror, Which Is the Fairest?

Faye Flam
Science 23 April 1993: 483-484.
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 At State Schools, Calculus Reform Goes Mainstream

Barry Cipra
Science 23 April 1993: 484-485.
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 Turning Higher Mathematics Into Kids' Stuff

Barry Cipra
Science 23 April 1993: 484-485.
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 PCR enzyme patent challenged

P Aldhous
Science 23 April 1993: 486.
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 PCR Enzyme Patent Challenged

Peter Aldhous
Science 23 April 1993: 486.
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 Secrets of secretion revealed

M Barinaga
Science 23 April 1993: 487-489.
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 Ozone Takes a Nose Dive After The Eruption of Mt. Pinatubo

Richard A. Kerr
Science 23 April 1993: 490-491.
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 How to drive nucleic acids up a tree

I Amato
Science 23 April 1993: 491.
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 OGLEing, MACHOs, and the Search for Dark Matter

Gary Taubes
Science 23 April 1993: 492-493.
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 Scientists Chase Gravity's Rainbow

Faye Flam
Science 23 April 1993: 493.
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 Predicting Performance in Graduate School

Science 23 April 1993: 494.
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 More Women Among the Tenured

Science 23 April 1993: 494.
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 Putting Scientists Into Science Fiction

Science 23 April 1993: 494.
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 Science on the Move

Science 23 April 1993: 494-495.
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 AAAS Members Have Their Say

Science 23 April 1993: 495.
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 Up-to-Date Evolution

Science 23 April 1993: 495.
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 Follow-the-Leader Math

Science 23 April 1993: 495.
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 IL-12: initiation cytokine for cell-mediated immunity

P Scott
Science 23 April 1993: 496-497.
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Removal of Contaminants from Soils by Electric Fields

Ronald F. Probstein and R. Edwin Hicks
Science 23 April 1993: 498-503.
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Movement of the guide sequence during RNA catalysis by a group I ribozyme

JF Wang, WD Downs, and TR Cech
Science 23 April 1993: 504-508.
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The Opposition Effect of the Moon: The Contribution of Coherent Backscatter

Bruce W. Hapke, Robert M. Nelson, and William D. Smythe
Science 23 April 1993: 509-511.
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Manganese Oxide Octahedral Molecular Sieves: Preparation, Characterization, and Applications

Y. F. Shen, R. P. Zerger, R. N. DeGuzman, S. L. Suib, L. McCurdy, D. I. Potter, and C. L. O'Young
Science 23 April 1993: 511-515.
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Vapor-Condensation Generation and STM Analysis of Fullerene Tubes

Maohui Ge and Klaus Sattler
Science 23 April 1993: 515-518.
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Oxygen Diffusion in Perovskite: Implications for Electrical Conductivity in the Lower Mantle

Bjarni Gautason and Karlis Muehlenbachs
Science 23 April 1993: 518-521.
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The Relation Between Biological Activity of the Rain Forest and Mineral Composition of Soils

Y. Lucas, F. J. Luizao, A. Chauvel, J. Rouiller, and D. Nahon
Science 23 April 1993: 521-523.
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Record Low Global Ozone in 1992

J. F. Gleason, P. K. Bhartia, J. R. Herman, R. McPeters, P. Newman, R. S. Stolarski, L. Flynn, G. Labow, D. Larko, C. Seftor, C. Wellemeyer, W. D. Komhyr, A. J. Miller, and W. Planet
Science 23 April 1993: 523-526.
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Tectonics and Volcanism of Eastern Aphrodite Terra, Venus: No Subduction, No Spreading

Vicki L. Hansen and Roger J. Phillips
Science 23 April 1993: 526-530.
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Molecular basis for specific recognition of both RNA and DNA by a zinc finger protein

KR Clemens, V Wolf, SJ McBryant, P Zhang, X Liao, PE Wright, and JM Gottesfeld
Science 23 April 1993: 530-533.
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Knotting of a DNA chain during ring closure

SY Shaw and JC Wang
Science 23 April 1993: 533-536.
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Negative regulation of G1 in mammalian cells: inhibition of cyclin E-dependent kinase by TGF-beta

A Koff, M Ohtsuki, K Polyak, JM Roberts, and J Massague
Science 23 April 1993: 536-539.
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Reversible binding of nitric oxide by a salivary heme protein from a bloodsucking insect

JM Ribeiro, JM Hazzard, RH Nussenzveig, DE Champagne, and FA Walker
Science 23 April 1993: 539-541.
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Regulation of TCR signaling by CD45 lacking transmembrane and extracellular domains

S Volarevic, BB Niklinska, CM Burns, CH June, AM Weissman, and JD Ashwell
Science 23 April 1993: 541-544.
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Rescue of signaling by a chimeric protein containing the cytoplasmic domain of CD45

RR Hovis, JA Donovan, MA Musci, DG Motto, FD Goldman, SE Ross, and GA Koretzky
Science 23 April 1993: 544-546.
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Development of TH1 CD4+ T cells through IL-12 produced by Listeria-induced macrophages

CS Hsieh, SE Macatonia, CS Tripp, SF Wolf, A O'Garra, and KM Murphy
Science 23 April 1993: 547-549.
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 Delivery of Na+,K(+)-ATPase in polarized epithelial cells

C Zurzolo and E Rodriguez-Boulan
Science 23 April 1993: 550-552.
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 Delivery of Na+,K(+)-ATPase in polarized epithelial cells

CJ Gottardi and MJ Caplan
Science 23 April 1993: 552-554.
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 Response

Kathleen A. Siemers (Krzeminski), Rachel Wilson (Hammerton), Robert W. Mays, Timothy A. Ryan, Debra A. Wollner, and W. James Nelson
Science 23 April 1993: 554-556.
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 Sea-Level Fluctuations

Edward Winterer
Science 23 April 1993: 565.
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 Single-Cell Fossils

Kenneth H. Nealson
Science 23 April 1993: 565-566.
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 Managing Motion

R. David Tomlinson
Science 23 April 1993: 567-568.
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 New Haven Observers

Donald E. Osterbrock
Science 23 April 1993: 568-569.
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 The Construction of Stars

Scott J. Kenyon
Science 23 April 1993: 569-570.
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 Vignettes: Conversational Gambits

Science 23 April 1993: 570.
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 PRODUCTS & MATERIALS

Science 23 April 1993: 574.
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