Articles

 This Week in Science

Ruth Levy Guyer
Science 23 November 1990: 1067.
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 Exploration of Nature

Philip H. Abelson
Science 23 November 1990: 1069.
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 Progenote or Protogenote?

KARL R POPPER and GÜNTER WÄCHTERSCHÄUSER
Science 23 November 1990: 1070.
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 Hair analysis

F Martinez, TS Poet, and RR Watson
Science 23 November 1990: 1070.
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 The Diaper Dilemma

George Wallerstein
Science 23 November 1990: 1070.
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 Promotion of the human genome project

PR Billings
Science 23 November 1990: 1071.
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 In Reply: Promotion of the Human Genome Project

Daniel E. Koshland, Jr.
Science 23 November 1990: 1071.
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 PUBLISHER'S NOTE

Richard S. Nicholson
Science 23 November 1990: 1071.
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 A Glut of "Academic Pork": Record sums for specific university research facilities were buried in the budget Congress approved last month; agricultural research initiative gets shortchanged

Eliot Marshall and David P. Hamilton
Science 23 November 1990: 1072-1073.
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 Alaskan Pork: Aurora Fantasia

Paul Selvin
Science 23 November 1990: 1073.
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 Archeology and Looting Make a Volatile Mix: A UCLA professor's dealings with collectors of looted pre-Columbian art have brought a long-running debate to a boil

Brian Alexander
Science 23 November 1990: 1074-1075.
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 Cystic fibrosis pilot projects go begging

L Roberts
Science 23 November 1990: 1076-1077.
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 CF Gene Proves Uncooperative

L. R.
Science 23 November 1990: 1077.
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 Goodbye to the warm little pond?

MM Waldrop
Science 23 November 1990: 1078-1080.
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 The golden crystal of life

MM Waldrop
Science 23 November 1990: 1080.
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 Commotion Over Caribbean Impacts

Richard A. Kerr
Science 23 November 1990: 1081.
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 In Math, Less Is More—Up to a Point

Barry Cipra
Science 23 November 1990: 1081-1082.
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 Climatologists Debate How to Model the World: Will global warming be modest or catastrophic? The White House is pushing an initiative to help find out

Richard A. Kerr
Science 23 November 1990: 1082-1083.
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 The European Greenhouse World

R. A. K.
Science 23 November 1990: 1083.
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 Efficient Bulb Sees (Most of) the Light

Science 23 November 1990: 1084.
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 Death of the Nile Delta?

Science 23 November 1990: 1084.
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 Recruiting the Next Academic Generation

Science 23 November 1990: 1084.
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 Court Bars Shortcut in Nuclear Licensing

Science 23 November 1990: 1084-1085.
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 Soviets Reinvited into Drilling Program

Science 23 November 1990: 1085.
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 The ethics of AIDS care

Science 23 November 1990: 1085.
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 More than just pretty curves

Science 23 November 1990: 1085.
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 The Economic Toll of Mental Problems

Science 23 November 1990: 1085.
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 Testing Size-Abundance Rules in a Human Exclusion Experiment

Richard R. Strathmann
Science 23 November 1990: 1091.
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Hybrid Ferromagnetic-Semiconductor Structure

Gary A. Prinz
Science 23 November 1990: 1092-1097.
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Biomechanics of mammalian terrestrial locomotion

AA Biewener
Science 23 November 1990: 1097-1103.
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Differences and similarities in DNA-binding preferences of MyoD and E2A protein complexes revealed by binding site selection

TK Blackwell and H Weintraub
Science 23 November 1990: 1104-1110.
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An E. coli ribonucleoprotein containing 4.5S RNA resembles mammalian signal recognition particle

MA Poritz, HD Bernstein, K Strub, D Zopf, H Wilhelm, and P Walter
Science 23 November 1990: 1111-1117.
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Fabrication and Use of Nanometer-Sized Electrodes in Electrochemistry

Reginald M. Penner, Michael J. Heben, Teresa L. Longin, and Nathan S. Lewis
Science 23 November 1990: 1118-1121.
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Simulations of the Folding of a Globular Protein

Jeffrey Skolnick and Andrzej Kolinski
Science 23 November 1990: 1121-1125.
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Scaling Population Density to Body Size in Rocky Intertidal Communities

Pablo A. Marquet, Sergio A. Navarrete, and Juan C. Castilla
Science 23 November 1990: 1125-1127.
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Detection of a human intracisternal A-type retroviral particle antigenically related to HIV

RF Garry, CD Fermin, DJ Hart, SS Alexander, LA Donehower, and H Luo-Zhang
Science 23 November 1990: 1127-1129.
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ELAM-1 mediates cell adhesion by recognition of a carbohydrate ligand, sialyl-Lex

ML Phillips, E Nudelman, FC Gaeta, M Perez, AK Singhal, S Hakomori, and JC Paulson
Science 23 November 1990: 1130-1132.
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Recognition by ELAM-1 of the sialyl-Lex determinant on myeloid and tumor cells

G Walz, A Aruffo, W Kolanus, M Bevilacqua, and B Seed
Science 23 November 1990: 1132-1135.
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The enzymic nature of antibody catalysis: development of multistep kinetic processing

SJ Benkovic, JA Adams, CL Borders, Jr, KD Janda, and RA Lerner
Science 23 November 1990: 1135-1139.
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Dissociation of gp120 from HIV-1 virions induced by soluble CD4

JP Moore, JA McKeating, RA Weiss, and QJ Sattentau
Science 23 November 1990: 1139-1142.
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Contributions of two types of calcium channels to synaptic transmission and plasticity

B Edmonds, M Klein, N Dale, and ER Kandel
Science 23 November 1990: 1142-1147.
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Autonomous developmental control of human embryonic globin gene switching in transgenic mice

N Raich, T Enver, B Nakamoto, B Josephson, T Papayannopoulou, and G Stamatoyannopoulos
Science 23 November 1990: 1147-1149.
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Sequence-specific DNA binding by the c-Myc protein

TK Blackwell, L Kretzner, EM Blackwood, RN Eisenman, and H Weintraub
Science 23 November 1990: 1149-1151.
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 HIV research in the SCID mouse: biosafety considerations

G Milman
Science 23 November 1990: 1152.
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 Pseudotypes in HIV-infected mice

JM McCune, R Namikawa, CC Shih, L Rabin, and H Kaneshima
Science 23 November 1990: 1152-1154.
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 In Reply: Pseudotypes in HIV-Infected Mice

Paolo Lusso, Fulvia Di Marzo Veronese, Barbara Ensoli, Genoveffa Franchini, Christina Jemma, Susan E. DeRocco, V. S. Kalyanaraman, and Robert C. Gallo
Science 23 November 1990: 1153-1154.
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 Eastern Europe Awakens to New Worldwide Scientific Opportunities

Science 23 November 1990: 1155.
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 Getzinger: New International Head

Science 23 November 1990: 1156.
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 Abelson Prize Honors First Elected Official

Science 23 November 1990: 1156.
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 "Great Wall" Article Wins Science Prize

Science 23 November 1990: 1156-1157.
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 Senior Scientists Less Than Retiring

Science 23 November 1990: 1157-1158.
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 Animal Research Advocate Cited

Science 23 November 1990: 1157.
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 AAAS Election Results to Appear 7 December

Science 23 November 1990: 1158.
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 SWARM Solicits Papers for Meeting

Science 23 November 1990: 1158.
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 Gordon Research Conferences — "Frontiers of Science"

Science 23 November 1990: 1160-1161.
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 Piltdown. A Scientific Forgery. Frank Spencer. Natural History Museum Publciations and Oxford University Press, New York, 1990. xxvi, 272 pp., illus. $24.95; The Piltdown Papers 1908-1955. The Correspondence and Other Documents Relating to the Piltdown Forgery. Frank Spencer. Natural History Museum Publications and Oxford University Press, New York, 1990. xii, 282 pp., illus. $65

Christopher Chippindale
Science 23 November 1990: 1162-1163.
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 Where the Truth Lies. Franz Moewus and the Origins of Molecular Biology. Jan Sapp. Cambridge University Press, New York, 1990. x, 340 pp., illus. $59.50; paper, $18.95

Philip J. Pauly
Science 23 November 1990: 1163-1164.
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 Life History and Ecology of the Slider Turtle. J. Whitfield Gibbons, with contributions by Harold W. Avery et al. Smithsonian Institution Press, Washington, DC, 1990. xiv, 368 pp., illus. $60

Peter J. Morin
Science 23 November 1990: 1164.
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 Products & Materials

Science 23 November 1990: 1165.
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