Articles

 This Week in SCIENCE

RUTH LEVY GUYER
Science 16 August 1991: 715.
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 Preserving Biodiversity

DANIEL E. KOSHLAND, JR.
Science 16 August 1991: 717.
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 Prescription drug prices

PE Oettinger
Science 16 August 1991: 719-720.
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 Cancer and poverty

JF Morton
Science 16 August 1991: 719.
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 Cancer and Poverty

JULIA F. MORTON
Science 16 August 1991: 719.
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 Prescription Drug Prices

PETER E. OETTINGER
Science 16 August 1991: 719-720.
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 Surgeon-warriors?

J Cassell
Science 16 August 1991: 720.
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 Surgeon-Warriors?

JOAN CASSELL
Science 16 August 1991: 720.
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 SCIENCESCOPE

Science 16 August 1991: 727.
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 Hints emerge from the Gallo Probe

DP Hamilton
Science 16 August 1991: 728-729.
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 Popovic blasts accusers, demands report be withdrawn

J Palca
Science 16 August 1991: 729-731.
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 Mikulas Popovic's Letter on The HIV-1/HTLV-IIIB/83 Isolate and the Pooling Experiment

Science 16 August 1991: 730.
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 The Gallo factor: questions remain

E Rubinstein
Science 16 August 1991: 732.
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 British Mathematicians Count Their Numbers

ALUN ANDERSON
Science 16 August 1991: 733.
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 Penicillin's forgotten man: Norman Heatley

CL Moberg
Science 16 August 1991: 734-735.
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 Extinction: Are Ecologists Crying Wolf?

CHARLES C. MANN
Science 16 August 1991: 736-738.
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 The Private Lives of Globular Clusters

FAYE FLAM
Science 16 August 1991: 739.
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 To Everything (Tern, Tern, Tern) There Is a Season

Science 16 August 1991: 740-741.
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 Outfoxing the Foxes

JOE ALPER
Science 16 August 1991: 741.
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 New role found for a common protein "motif"

M Hoffman
Science 16 August 1991: 742.
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 Research Entourage Leaves Rockefeller?

Science 16 August 1991: 743.
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 Beyond the Great Wall?

Science 16 August 1991: 743.
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 Humboldt penguin—he or she>

Science 16 August 1991: 743.
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 Fewer Prospectros, Brighter Prospects

Science 16 August 1991: 743.
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 Genome Assignment for Industry

Science 16 August 1991: 743.
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 Conservation: Tactics for a Constant Crisis

MICHAEL E. SOULÉ
Science 16 August 1991: 744-750.
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 An Evolutionary Basis for Conservation Strategies

TERRY L. ERWIN
Science 16 August 1991: 750-752.
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 Balancing Species Preservation and Economic Considerations

HAROLD J. MOROWITZ
Science 16 August 1991: 752-754.
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 Extinctions: A Paleontological Perspective

DAVID JABLONSKI
Science 16 August 1991: 754-757.
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Biodiversity Studies: Science and Policy

PAUL R. EHRLICH and EDWARD 0. WILSON
Science 16 August 1991: 758-762.
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Convergence of Ets- and notch-related structural motifs in a heteromeric DNA binding complex

CC Thompson, TA Brown, and SL McKnight
Science 16 August 1991: 762-768.
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Ballistic 2-D Imaging Through Scattering Walls Using an Ultrafast Optical Kerr Gate

L. WANG, P. P. HO, C. LIU, G. ZHANG, and R. R. ALFANO
Science 16 August 1991: 769-771.
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Modified Phases of Diamond Formed Under Shock Compression and Rapid Quenching

HISAKO HIRAI and KEN-ICHI KONDO
Science 16 August 1991: 772-774.
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Observations of Extreme Upwelling Filaments in the Southeast Atlantic Ocean

J. R. E. LUTJEHARMS, F. A. SHILLINGTON, and C. M. DUNCOMBE RAE
Science 16 August 1991: 774-776.
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Contact Adhesion of Thin Gold Films on Elastomeric Supports: Cold Welding Under Ambient Conditions

GREGORY S. FERGUSON, MANOJ K. CHAUDHURY, GEORGE B. SIGAL, and GEORGE M. WHITESIDES
Science 16 August 1991: 776-778.
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Thymocyte expression of RAG-1 and RAG-2: termination by T cell receptor cross-linking

LA Turka, DG Schatz, MA Oettinger, JJ Chun, C Gorka, K Lee, WT McCormack, and CB Thompson
Science 16 August 1991: 778-781.
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Purification of an allene oxide synthase and identification of the enzyme as a cytochrome P-450

WC Song and AR Brash
Science 16 August 1991: 781-784.
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Specificity for aminoacylation of an RNA helix: an unpaired, exocyclic amino group in the minor groove

K Musier-Forsyth, N Usman, S Scaringe, J Doudna, R Green, and P Schimmel
Science 16 August 1991: 784-786.
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Variable effects of phosphorylation of Pit-1 dictated by the DNA response elements

MS Kapiloff, Y Farkash, M Wegner, and MG Rosenfeld
Science 16 August 1991: 786-789.
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Identification of Ets- and notch-related subunits in GA binding protein

K LaMarco, CC Thompson, BP Byers, EM Walton, and SL McKnight
Science 16 August 1991: 789-792.
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Design and synthesis of a mimetic from an antibody complementarity-determining region

HU Saragovi, D Fitzpatrick, A Raktabutr, H Nakanishi, M Kahn, and MI Greene
Science 16 August 1991: 792-795.
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Photoperiodism and effects of indoleamines in a unicellular alga, Gonyaulax polyedra

I Balzer and R Hardeland
Science 16 August 1991: 795-797.
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Similar neuronal alterations induced by axonal injury and learning in Aplysia

ET Walters, H Alizadeh, and GA Castro
Science 16 August 1991: 797-799.
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 Single-Channel Mechanosensitive Currents

MICHAEL C. GUSTIN
Science 16 August 1991: 800.
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 Single-Channel Mechanosensitive Currents

FREDERICK SACHS, WADE SIGURDSON, ABDUL RUKNUDIN, and CHARLES BOWMAN
Science 16 August 1991: 800-801.
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 Response

CATHERINE E. MORRIS and RICHARD HORN
Science 16 August 1991: 801.
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 Lysyl oxidase and rrg messenger RNA

K Kenyon, S Contente, PC Trackman, J Tang, HM Kagan, and RM Friedman
Science 16 August 1991: 802.
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 Societies from Underground

GAIL R. MICHENER
Science 16 August 1991: 803-804.
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 The Earth's Climate

JONATHON T. OVERPECK
Science 16 August 1991: 804-805.
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 Graptolites Without Fear

DAVID L. CLARK
Science 16 August 1991: 805-806.
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 Approachable Immunology

PAUL M. ALLEN
Science 16 August 1991: 806.
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 Products & Materials

Science 16 August 1991: 807.
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