| | Opinion |  |
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| | Will recession become slump? 95
Two centuries of self-conscious science and technology may have given the world previously unimagined prosperity; can the same agents of change help avoid the calamity that seems to threaten?
doi:10.1038/348095a0
PDF (218K)
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| | News |  |
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| | Bush plans expansion of science and computing 97
Christopher Anderson
doi:10.1038/348097a0
PDF (132K)
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| | First non-UK case 97
Peter Aldhous
doi:10.1038/348097b0
PDF (132K)
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| | Two declarations at odds 98
Peter Aldhous
doi:10.1038/348098a0
PDF (129K)
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| | The history man 98
Peter Aldhous
doi:10.1038/348098b0
PDF (129K)
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| | Climatologists wanted 98
Peter Aldhous
doi:10.1038/348098c0
PDF (129K)
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| | Pleas made for science spy 99
Peter Coles
doi:10.1038/348099a0
PDF (127K)
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| | Sparks fly in funding muddle 99
Henry Gee
doi:10.1038/348099b0
PDF (127K)
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| | RIKEN sees the light? 100
David Swinbanks
doi:10.1038/348100a0
PDF (124K)
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| | New money and new ideas 100
David Swinbanks
doi:10.1038/348100b0
PDF (124K)
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| | Bills pass at last minute 101
Christopher Anderson & Diane Gershon
doi:10.1038/348101a0
PDF (130K)
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| | Harnessing northern lights 101
Christopher Anderson
doi:10.1038/348101b0
PDF (130K)
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| | Russians to the rescue 102
Elizabeth Schaefer
doi:10.1038/348102a0
PDF (135K)
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| | Million-dollar quark 102
Alun Anderson & Tim Lincoln
doi:10.1038/348102b0
PDF (135K)
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| | Battle over censorship 103
Elizabeth Schaefer
doi:10.1038/348103a0
PDF (130K)
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| | Clean slate for academy 103
Steven Dickman
doi:10.1038/348103b0
PDF (130K)
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| | Correspondence |  |
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| | Public health in Italy 104
GIORGIO BIGNAMI & EUGENIO TABET
doi:10.1038/348104a0
PDF (132K)
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| | Public health in Italy 104
COLIN A. FULLAMI
doi:10.1038/348104b0
PDF (132K)
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| | Heavenly hosts 104
DONALD A. WINDSOR
doi:10.1038/348104c0
PDF (132K)
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| | Doing it wrong 104
SIMON P. WOLFF & JAMES V. HUNT
doi:10.1038/348104d0
PDF (132K)
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| | Commentaries |  |
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| | The metre and the pendulum 105
In 1790 the French Assemblée Nationale set in train a process that would result in the metric system. But for quirks of history, the course of metrication might have had an Anglo-French dimension − and a different outcome.
J. H. Freeman
doi:10.1038/348105a0
PDF (234K)
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| | The enduring pains of going metric 105
doi:10.1038/348105b0
PDF (110K)
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| | News and Views |  |
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| | Should camp-followers be policemen? 107
Journals are bound to be concerned with and by the published products of scientific misconduct, but there must be doubts about their ability to keep a diverse profession's conscience.
John Maddox
doi:10.1038/348107a0
PDF (122K)
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| | A slow but restless ridge 108
Ken C. Macdonald
doi:10.1038/348108a0
References | PDF (245K)
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| | How efficient can you get? 109
Mario Capecchi
doi:10.1038/348109a0
References | PDF (126K)
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| | Complementary endeavours 110
Kevin Davies
doi:10.1038/348110a0
References | PDF (264K)
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| | Cooling flows and dark matter 111
Simon D. M. White
doi:10.1038/348111a0
References | PDF (263K)
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| | Seeking the arthropods of Eden 112
W. D. Ian Rolfe
doi:10.1038/348112a0
References | PDF (249K)
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| | Extraterrestrial amino acids and terrestrial life 113
Christopher F. Chyba
doi:10.1038/348113a0
References | PDF (266K)
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| | Knowing where you're going 115
S. J. Judge
doi:10.1038/348115a0
References | PDF (124K)
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| | Boron's molecular gymnastics 115
Keith Smith
doi:10.1038/348115b0
References | PDF (247K)
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| | Cloud straining 116
David Jones
doi:10.1038/348116a0
PDF (125K)
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| | Scientific Correspondence |  |
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| | Parasites in Drosophila embryos 117
D. M. GLOVER, J. RAFF, T. L. KARR, S. L. O'NEILL, H. LIN & M. F. WOLFNER
doi:10.1038/348117a0
References | PDF (134K)
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| | Unique historical serendipity 117
C. Z. WAWRA
doi:10.1038/348117b0
PDF (134K)
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| | Unique historical serendipity: reply 117
SOLOMON H. SNYDER
doi:10.1038/348117c0
References | PDF (134K)
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| | Alzheimer's et al.
117
FREDERICK HECHT & BARBARA K. HECHT
doi:10.1038/348117d0
PDF (134K)
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| | Oxygen in the Arabian Sea 118
R. V. KRISHNAMURTHY
doi:10.1038/348118a0
References | PDF (133K)
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| | Role of nerves in hypertension 118
DIRK F. VAN HELDEN & SONJA WOOLRIDGE
doi:10.1038/348118b0
References | PDF (255K)
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| | El Niño prediction 119
D. W. ZHENG, G. X. SONG & S. F. LUO
doi:10.1038/348119a0
References | PDF (124K)
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| | When are parasites clonal? 120
DAVID WALLIKER, GEOFFREY BEALE & LUCIO LUZZATTO
doi:10.1038/348120a0
References | PDF (139K)
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| | When are parasites clonal? 120
C. DYE, C. R. DAVIES & J. D. LINES
doi:10.1038/348120b0
References | PDF (139K)
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| | Book Reviews |  |
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| | Science in the public eye 121
Dorothy Nelkin reviews Making Science Our Own
By
Marcel C. LaFollette
doi:10.1038/348121a0
PDF (131K)
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| | Klein or Kipling? 122
Frances M. Brodsky reviews Immunology
Jen Klein
doi:10.1038/348122a0
PDF (276K)
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| | Ecological discontinuity 123
Susan Harrison reviews Living in A Patchy Environment
By
Bryan Ian R. ShorrocksSwingland
doi:10.1038/348123a0
PDF (261K)
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| | Cache and carry 124
Hans Kruuk reviews Food Hoarding in Animals
By
Stephen B. Vander Wall
doi:10.1038/348124a0
PDF (125K)
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| | Review Article |  |
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| | The GTPase superfamily: a conserved switch for diverse cell functions 125
Henry R. Bourne, David A. Sanders & Frank McCormick
doi:10.1038/348125a0
Abstract & References | PDF (1,277K)
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| | Articles |  |
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| | Rapid dynamical evolution of giant comet Chiron 132
G. Hahn & M. E. Bailey
doi:10.1038/348132a0
Abstract & References | PDF (581K)
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| | Requirement for hsp70 in the mitochondrial matrix for translocation and folding of precursor proteins 137
Pil-Jung Kang, Joachim Ostermann, Jeffery Shilling, Walter Neupert, Elizabeth A. Craig & Nikolaus Pfanner
doi:10.1038/348137a0
Abstract & References | PDF (1,171K)
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| | Letters |  |
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| | The potential distribution around growing fractal clusters 143
Benoit B. Mandelbrot & Carl J. G. Evertsz
doi:10.1038/348143a0
First paragraph & References | PDF (587K)
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| | Iodine intercalation of a high-temperature superconducting oxide 145
X-D. Xiang, S. McKernan, W. A. Vareka, A. Zettl, J. L. Corkill, T. W. Barbee III & Marvin L. Cohen
doi:10.1038/348145a0
First paragraph & References | PDF (412K)
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| | Peroxy radicals from night-time reaction of N03 with organic compounds 147
U. Platt, G. LeBras, G. Poulet, J. P. Burrows & G. Moortgat
doi:10.1038/348147a0
First paragraph & References | PDF (436K)
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| | Ridge jumps and propagations in the South Atlantic Ocean 149
John M. Brozena & Robert S. White
doi:10.1038/348149a0
First paragraph & References | PDF (807K)
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| | Hundreds of small volcanoes on the median valley floor of the Mid-Atlantic Ridge at 24−30° N 152
Deborah K. Smith & Johnson R. Cann
doi:10.1038/348152a0
First paragraph & References | PDF (669K)
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| | Microbial control of silver mineralization at a sea-floor hydrothermal site on the northern Gorda Ridge 155
Robert A. Peter ZierenbergSchiffmant
doi:10.1038/348155a0
First paragraph & References | PDF (524K)
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| | Comet dust as a source of amino acids at the Cretaceous/Tertiary boundary 157
Kevin Zahnle & David Grinspoon
doi:10.1038/348157a0
First paragraph & References | PDF (697K)
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| | The role of disparity-sensitive cortical neurons in signalling the direction of self-motion 160
Jean-Pierre Roy & Robert H. Wurtz
doi:10.1038/348160a0
First paragraph & References | PDF (424K)
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| | A human homologue of the yeast HDEL receptor 162
Michael J. Lewis & Hugh R. B. Pelham
doi:10.1038/348162a0
First paragraph & References | PDF (245K)
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| | Interconversion of CD45R subsets of CD4 T cells in vivo
163
Eric B. Bell & Sheila M. Sparshott
doi:10.1038/348163a0
First paragraph & References | PDF (579K)
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| | Reduced levels of hsp90 compromise steroid receptor action in vivo
166
Didier Picard, Bushra Khursheed, Michael J. Garabedian, Marc G. Fortin, Susan Lindquist & Keith R. Yamamoto
doi:10.1038/348166a0
First paragraph & References | PDF (585K)
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| | Limitation of the size of the vulval primordium of Caenorhabditis elegans by lin-15 expression in surrounding hypodermis 169
Robert K. Herman & Edward M. Hedgecock
doi:10.1038/348169a0
First paragraph & References | PDF (449K)
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| | Gene replacement in parasitic protozoa 171
Angela Cruz & Stephen M. Beverley
doi:10.1038/348171a0
First paragraph & References | PDF (440K)
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| | Targeted insertion of the neomycin phosphotransferase gene into the tubulin gene cluster of Trypanosoma brucei
174
Anneloor L. M. A. ten Asbroek, Marc Ouellette & Piet Borst
doi:10.1038/348174a0
First paragraph & References | PDF (251K)
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| | An unusually large multifunctional polypeptide in the erythromycin-producing polyketide synthase of Saccharopolyspora erythraea
176
Jesus Cortes, Stephen F. Haydock, Gareth A. Roberts, Debra J. Bevitt & Peter F. Leadlay
doi:10.1038/348176a0
First paragraph & References | PDF (591K)
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| | Bidirectional incompatibility between conspecific populations of Drosophila simulans
178
Scott L. O'Neill & Timothy L. Karr
doi:10.1038/348178a0
First paragraph & References | PDF (499K)
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