Science: 244 (4901)

14 April 1989
Vol 244, Issue 4901

Contents
- This Week in Science
  
  Science14 Apr 1989 : 123 Full AccessRestricted Access
  
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- World Food Research
  
  By PHILIP H. ABELSON
  
  Science14 Apr 1989 : 125 Full AccessRestricted Access
  
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- Old Cars and Taxation
  
  By A. MYRICK FREEMAN III
  
  Science14 Apr 1989 : 127 Full AccessRestricted Access
  
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- Acid Rain Models
  
  By JAMES A. FAY, DAN S. GOLOMB
  
  Science14 Apr 1989 : 127 Full AccessRestricted Access
  
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- Response: Acid Rain Models
  
  By STEPHEN E. SCHWARTZ
  
  Science14 Apr 1989 : 127-128 Full AccessRestricted Access
  
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- Fund-raising and NIH
  
  By RI Glazer
  
  Science14 Apr 1989 : 128 Full AccessRestricted Access
  
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- Shuttle Rocket Plan Under Fire
  NASA safety panel says plan to spend $1.2 billion on a solid rocket factory in Yellow Creek, Mississippi, will not improve the shuttle's safety; a boost for liquid boosters?
  
  By ELIOT MARSHALL
  
  Science14 Apr 1989 : 135-136 Full AccessRestricted Access
  
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- Inaction on Technology Programs Stirs Congress
  A framework for enhancing the Commerce Department's role in civil technology is unfunded and leaderless
  
  By COLIN NORMAN
  
  Science14 Apr 1989 : 137-138 Full AccessRestricted Access
  
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- A Focus on Advanced Television?
  
  By COLIN NORMAN
  
  Science14 Apr 1989 : 137 Full AccessRestricted Access
  
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- Budget Squeeze Causes Fission in Fusion Labs
  Divisions have appeared among fusion researchers over the nation's fusion strategy; the timing of the next major machine and its potential impact on other research are at issue
  
  By MARK CRAWFORD
  
  Science14 Apr 1989 : 138-139 Full AccessRestricted Access
  
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- Agricultural Groups Push Research Plan
  A proposal for a $500-million competitive grants program at USDA will be unveiled next month with some powerful support
  
  By MARK CRAWFORD
  
  Science14 Apr 1989 : 140 Full AccessRestricted Access
  
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- New Thinking on Old Growth
  The forests of the Northwest still hold surprises for ecologists, but the old stands are going fast; will the spotted owl save the day? And if we cut ours, why can't Brazil cut theirs?
  
  By WILLIAM BOOTH
  
  Science14 Apr 1989 : 141-143 Full AccessRestricted Access
  
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- Confirmations Heat Up Cold Fusion Prospects
  Researchers are having fun trying to reproduce a report of roomtemperature fusion, and even more fun trying to explain it
  
  By ROBERT POOL
  
  Science14 Apr 1989 : 143-144 Full AccessRestricted Access
  
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- Does Chaos Permeate the Solar System?
  As faster computers allow celestial mechanicians longer looks at the behavior of the planets, chaos is turning up everywhere
  
  By RICHARD A. KERR
  
  Science14 Apr 1989 : 144-145 Full AccessRestricted Access
  
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- PARC Brings Adam Smith to Computing
  Part computer virus and part market theory, Spawn is both an efficiency tool and a laboratory for experimental economics
  
  By M. MITCHELL WALDROP
  
  Science14 Apr 1989 : 145-146 Full AccessRestricted Access
  
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- How cancer cells spread in the body
  
  By JL Marx
  
  Science14 Apr 1989 : 147-148 Full AccessRestricted Access
  
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- The cycle of violence
  
  By CS Widom
  
  Science14 Apr 1989 : 160-166 Full AccessRestricted Access
  
  Abstract
  
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- Light Reflection Models for Computer Graphics
  
  By DONALD P. GREENBERG
  
  Science14 Apr 1989 : 166-173 Full AccessRestricted Access
  
  Abstract
  
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- Regulated Genes in Transgenic Plants
  
  By PHILIP N. BENFEY, NAM-HAI CHUA
  
  Science14 Apr 1989 : 174-181 Full AccessRestricted Access
  
  Abstract
  
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- A general method for site-specific incorporation of unnatural amino acids into proteins
  
  By CJ Noren, SJ Anthony-Cahill, MC Griffith, PG Schultz
  
  Science14 Apr 1989 : 182-188 Full AccessRestricted Access
  
  Abstract
  
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- 1989 AAAS Philip Hauge Abelson Prize
  To Be Awarded to a Public Servant or Scientist
  
  Science14 Apr 1989 : 188 Full AccessRestricted Access
  
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- Effect of Water on the Composition of Partial Melts of Greenstone and Amphibolite
  
  By JAMES S. BEARD, GARY E. LOFGREN
  
  Science14 Apr 1989 : 195-197 Full AccessRestricted Access
  
  Abstract
  
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- Contribution of Ultraviolet Irradiance Variations to Changes in the Sun's Total Irradiance
  
  By J. LEAN
  
  Science14 Apr 1989 : 197-200 Full AccessRestricted Access
  
  Abstract
  
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- Kestel: An Early Bronze Age Source of Tin Ore in the Taurus Mountains, Turkey
  
  By K. ASLIHAN YENER, HADİ ÖZBAL, ERGUN KAPTAN, A. NECİP PEHLİVAN, MARTHA GOODWAY
  
  Science14 Apr 1989 : 200-203 Full AccessRestricted Access
  
  Abstract
  
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- Visual Detection of Transposition of the Maize Element Activator (Ac) in Tobacco Seedlings
  
  By JONATHAN D. G. JONES, FRANCINE M. CARLAND, PAL MALIGA, HUGO K. DOONER
  
  Science14 Apr 1989 : 204-207 Full AccessRestricted Access
  
  Abstract
  
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- Allelotype of colorectal carcinomas
  
  By B Vogelstein, ER Fearon, SE Kern, Hamilton SR, AC Preisinger, Y Nakamura, R White
  
  Science14 Apr 1989 : 207-211 Full AccessRestricted Access
  
  Abstract
  
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- Regulation of calcium concentration in voltage-clamped smooth muscle cells
  
  By PL Becker, JJ Singer, JV Walsh Jr, FS Fay
  
  Science14 Apr 1989 : 211-214 Full AccessRestricted Access
  
  Abstract
  
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- Influence of the major histocompatibility complex on positive thymic selection of V beta 17a+ T cells
  
  By MA Blackman, P Marrack, J Kappler
  
  Science14 Apr 1989 : 214-217 Full AccessRestricted Access
  
  Abstract
  
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- Chromosome 17 deletions and p53 gene mutations in colorectal carcinomas
  
  By SJ Baker, ER Fearon, JM Nigro, Hamilton SR, AC Preisinger, JM Jessup, P vanTuinen, DH Ledbetter, DF Barker, Y Nakamura, R White, B Vogelstein
  
  Science14 Apr 1989 : 217-221 Full AccessRestricted Access
  
  Abstract
  
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- Expression of a cloned rat brain potassium channel in Xenopus oocytes
  
  By MJ Christie, JP Adelman, J Douglass, RA North
  
  Science14 Apr 1989 : 221-224 Full AccessRestricted Access
  
  Abstract
  
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- Inescapable versus escapable shock modulates long-term potentiation in the rat hippocampus
  
  By TJ Shors, TB Seib, S Levine, RF Thompson
  
  Science14 Apr 1989 : 224-226 Full AccessRestricted Access
  
  Abstract
  
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- Seasonal Microhabitat Selection by an Endoparasitoid Through Adaptive Modification of Host Behavior
  
  By JACQUES BRODEUR, JEREMY N. MCNEIL
  
  Science14 Apr 1989 : 226-228 Full AccessRestricted Access
  
  Abstract
  
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- Return of the Falcons
  Peregrine Falcon Populations.
  
  By JAMES C. BEDNARZ
  
  Science14 Apr 1989 : 233-234 Full AccessRestricted Access
  
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- An Environmental Problem
  The Acid Rain Controversy.
  
  By JURGEN SCHMANDT
  
  Science14 Apr 1989 : 234-235 Full AccessRestricted Access
  
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- A Well-Studied Worm
  The Nematode Caenorhabditis elegans.
  
  By JASPER RINE, CYNTHIA KENYON
  
  Science14 Apr 1989 : 235 Full AccessRestricted Access
  
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- Freshwater Plants
  Vegetation of Inland Waters.
  
  By JACOB KALFF
  
  Science14 Apr 1989 : 235-236 Full AccessRestricted Access
  
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- Products & Materials
  
  Science14 Apr 1989 : 239 Full AccessRestricted Access
  
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