| | Opinion |  |
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| | What Bush should tell Gorbachev 103
The unexpected early summit meeting between the presidents of the United States and the Soviet Union could be the most fateful of its kind ever to have been held.
doi:10.1038/342103a0
PDF (235K)
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| | Fetal tissue wrangle 104
The US government's decision to continue its moratorium on fetal tissue transplants is sqeamish and damages NIH.
doi:10.1038/342104a0
PDF (135K)
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| | News | |
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| | Ban on use of fetal tissue to continue 105
Christine McGourty
doi:10.1038/342105a0
PDF (143K)
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| | Ozone hole heading south prematurely 105
David LindIey
doi:10.1038/342105b0
PDF (143K)
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| | No evidence for neutrons at Yale/BYU 106
David Lindley
doi:10.1038/342106a0
PDF (151K)
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| | North Sea changes CO2 theories 106
Henry Gee
doi:10.1038/342106b0
PDF (151K)
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| | Export curbs threaten science 106
Steven Dickman
doi:10.1038/342106c0
PDF (151K)
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| | But who is the enemy? 107
David Lindley
doi:10.1038/342107a0
PDF (168K)
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| | News in Brief | |
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| | South African ban 107
Michael Cherry
doi:10.1038/342107b0
PDF (167K)
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| | Fusion director quits 107
David Lindley
doi:10.1038/342107c0
PDF (167K)
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| | British quartet named 107
doi:10.1038/342107d0
PDF (168K)
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| | News | |
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| | Dealing with the data 108
Christine McGourty
doi:10.1038/342108a0
PDF (148K)
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| | Bulgaria on a learning curve 108
Vera Rich
doi:10.1038/342108b0
PDF (148K)
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| | Ethical matters 108
Peter Coles
doi:10.1038/342108c0
PDF (148K)
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| | Congress to abandon ship? 109
Christine McGourty
doi:10.1038/342109a0
PDF (155K)
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| | 'Merit' pay for all 109
Pedro Puigdomenech
doi:10.1038/342109b0
PDF (155K)
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| | ESF scheme criticized 110
Henry Gee
doi:10.1038/342110a0
PDF (155K)
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| | Victims of their success? 110
David Lindley
doi:10.1038/342110b0
PDF (155K)
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| | Cray and IBM in the frame 111
Tania Ewing
doi:10.1038/342111a0
PDF (152K)
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| | Fifty and counting for CNRS 111
Peter Coles
doi:10.1038/342111b0
PDF (152K)
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| | Six per cent of Solution 111
Ben Webb
doi:10.1038/342111c0
PDF (152K)
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| | An end to patronage? 112
Vera Rich
doi:10.1038/342112a0
PDF (138K)
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| | Pay rise move to stem brain drain 112
Vera Rich
doi:10.1038/342112b0
PDF (138K)
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| | Cycle nears biggest peak 112
David Lindley
doi:10.1038/342112c0
PDF (138K)
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| | Correspondence | |
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| | Harmony among physicists 113
CARLO RUBBIA
doi:10.1038/342113a0
PDF (151K)
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| | Attention please 113
ALAN TURNER
doi:10.1038/342113b0
PDF (151K)
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| | South African aid? 113
K. L. MANCHESTER
doi:10.1038/342113c0
PDF (151K)
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| | Benefits of databases 114
RICHARD J. ROBERTS
doi:10.1038/342114a0
PDF (152K)
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| | Benefits of databases 114
THOMAS F. KOETZLE
doi:10.1038/342114b0
PDF (152K)
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| | Reversed charges 114
DAVID R. HERSHEY
doi:10.1038/342114c0
PDF (152K)
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| | Commentary |  |
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| | Vaccines for the Third World 115
New vaccines, developed through genetic engineering, can make immunization an even more effective weapon for tackling disease in developing countries. So what is preventing progress?
Barry R. Bloom
doi:10.1038/342115a0
References | PDF (762K)
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| | News and Views |  |
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| | Are electrons mere billiard-balls? 121
Electrons near the top of an electronic band appear to behave at low temperatures as if they were classical particles and not particles best represented by quantum mechanics.
John Maddox
doi:10.1038/342121a0
PDF (146K)
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| | Water storage in the mantle 122
Thomas J. Ahrens
doi:10.1038/342122a0
References | PDF (324K)
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| | Burying the hatchet 123
Paul G. Bahn
doi:10.1038/342123a0
PDF (334K)
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| | Naked or peptide-clothed MHC? 124
David H. Margulies
doi:10.1038/342124a0
References | PDF (304K)
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| | William Martin Fairbank (1917−1989) 125
BLAS CABRERA
doi:10.1038/342125a0
PDF (165K)
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| | When protostars cease trading 126
A. P. Whitworth
doi:10.1038/342126a0
PDF (337K)
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| | Diversity of laser snowflake crystal forms 126
doi:10.1038/342126b0
PDF (201K)
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| | Elongation remodelled 127
Peter B. Moore
doi:10.1038/342127a0
References | PDF (287K)
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| | New pulsar confounds models 128
Andrew Lyne
doi:10.1038/342128a0
References | PDF (291K)
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| | Pruning the tree of life 129
Michael J. Benton
doi:10.1038/342129a0
PDF (301K)
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| | Floating on air 130
David Jones
doi:10.1038/342130a0
PDF (161K)
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| | Scientific Correspondence | |
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| | Carrier screening in CF 131
LEO P. TEN
KATE
doi:10.1038/342131a0
PDF (145K)
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| | Angiosperm origins 131
PETER
R. CRANE, MICHAEL
J. DONOGHUE, JAMES A. DOYLE & ELSE MARIE
FRIIS
doi:10.1038/342131b0
References | PDF (145K)
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| | Angiosperm origins 131
WEN-HSIUNG Li, MANOLO GOUY, KENNETH H. WOLFE & PAUL M. SHARP
doi:10.1038/342131c0
PDF (280K)
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| | Angiosperm origins 132
WILLIAM MARTIN, ALFONS GIERL & HEINZ SAEDLER
doi:10.1038/342132a0
References | PDF (151K)
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| | Cysteine or serine proteinase? 132
ANN E. EAKIN, JEFFREYN. HIGAKI, JAMESH. MCKERROW & CHARLESS. CRAIK
doi:10.1038/342132b0
References | PDF (151K)
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| | Cysteine or serine proteinase? 132
JEREMY C. MOTTRAM, GRAHAM H. COOMBS & MICHAEL J. NORTH
doi:10.1038/342132c0
References | PDF (151K)
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| | Crystal Enigma 133
ALAN L. MACKAY
doi:10.1038/342133a0
PDF (134K)
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| | Pre-Quaternary Milankovitch frequencies 133
A. BERGER, M. F. LOUTRE & V. DEHANT
doi:10.1038/342133b0
References | PDF (134K)
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| | DNA-binding domain ancestry 134
JONATHAN FRAMPTON, ACHIM LEUTZ, TOBY J. GIBSON & THOMAS GRAF
doi:10.1038/342134a0
References | PDF (141K)
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| | Book Reviews | |
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| | The political scientist 135
R. J. P. Williams reviews Llnus Pauling: A Man and His Science.
by
Anthony Serafini
doi:10.1038/342135a0
PDF (260K)
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| | Flaws of nature 136
John D. Barrow reviews Reading the Mind of God: In Search of the Principle of Universality
by
James Trefil
doi:10.1038/342136a0
PDF (158K)
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| | The problems of a dinosaur 137
Dale A. Russell reviews Dynamics of Dinosaurs and Other Extinct Giants
by
R. McNeill Alexander
doi:10.1038/342137a0
PDF (150K)
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| | Stan Ulam 137
David K. Arrowsmith reviews From Cardinals to Chaos: Reflections on the Life and Legacy of Stanislaw Ulam.
Edited by
Necia Grant Cooper
doi:10.1038/342137b0
PDF (150K)
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| | Making good 138
Jock Young reviews The Causes and Cures of Criminality
by
Hans J. Eysenck & Gisli H. Gudjonsson
doi:10.1038/342138a0
PDF (141K)
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| | Articles |  |
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| | Annihilation of ecosystems by large asteroid impacts on the early Earth 139
Norman H. Sleep, Kevin J. Zahnle, James F. Kasting & Harold J. Morowitz
doi:10.1038/342139a0
Abstract & References | PDF (525K)
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| | Intermediate states in the movement of transfer RNA in the ribosome 142
Danesh Moazed & Harry F. Noller
doi:10.1038/342142a0
Abstract & References | PDF (904K)
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| | Rescue of bicoid mutant Drosophila embryos by Bicoid fusion proteins containing heterologous activating sequences 149
Wolfgang Driever, Jun Ma, Christiane Nüsslein-Volhard & Mark Ptashne
doi:10.1038/342149a0
Abstract & References | PDF (767K)
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| | Movement of microtubules by single kinesin molecules 154
J. Howard, A. J. Hudspeth & R. D. Vale
doi:10.1038/342154a0
Abstract & References | PDF (608K)
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| | Letters | |
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| | A millisecond pulsar in a 32-minute binary orbit 158
J. G. Abies, D. McConnell, C. E. Jacka, P. M. McCulloch, P. J. Hall & P. A. Hamilton
doi:10.1038/342158a0
First paragraph & References | PDF (464K)
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| | Molecular outflows in protostellar evolution 161
Y. Fukui, T. Iwata, H. Takaba, A. Mizuno, H. Ogawa, K. Kawabata & K. Sugitani
doi:10.1038/342161a0
First paragraph & References | PDF (318K)
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| | Development of Asian monsoon revealed by marked ecological shift during the latest Miocene in northern Pakistan 163
Jay Quade, Thure E. Cerling & John R. Bowman
doi:10.1038/342163a0
First paragraph & References | PDF (453K)
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| | Old carbon in living organisms and young CaC03 cements from abyssal brine seeps 166
C. K. Paull, C. S. Martens, J. P. Chanton, A. C. Neumann, J. Coston, A. J. T. Jull & L. J. Toolin
doi:10.1038/342166a0
First paragraph & References | PDF (345K)
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| | Halide systematics of submarine hydrothermal vents 168
A. C. Campbell & J. M. Edmond
doi:10.1038/342168a0
First paragraph & References | PDF (345K)
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| | Contribution of induced magnetization to magnetization of seamounts 170
J. Gee, H. Staudigel & L. Tauxe
doi:10.1038/342170a0
First paragraph & References | PDF (400K)
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| | A comparison of energetics and ventilation of desert ants during voluntary and forced locomotion 174
John R. B. Lighton & Donald H. Feener Jr
doi:10.1038/342174a0
First paragraph & References | PDF (227K)
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| | Subthreshold Na+-dependent theta-like rhythmicity in stellate cells of entorhinal cortex layer II 175
Angel Alonso & Rodolfo R. Llinás
doi:10.1038/342175a0
First paragraph & References | PDF (351K)
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| | Reduced Nm23/Awd protein in tumour metastasis and aberrant Drosophila development 177
Ariella M. Rosengard, Henry C. Krutzsch, Allen Shearn, Joseph R. Biggs, Edward Barker, Inger M. K. Margulies, C. Richter King, Lance A. Liotta & Patricia S. Steeg
doi:10.1038/342177a0
First paragraph & References | PDF (452K)
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| | Recognition of pre-processed endogenous antigen by class I but not class II MHC-restricted T cells 180
Marianne T. Sweetser, Lynda A. Morrison, Vivian L. Braciale & Thomas J. Braciale
doi:10.1038/342180a0
First paragraph & References | PDF (333K)
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| | How some T cells escape tolerance induction 183
Guy Gammon & Eli Sercarz
doi:10.1038/342183a0
First paragraph & References | PDF (378K)
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| | Complex lymphoid and epithelial thymic tumours in Thyl-myc transgenic mice 185
Eugenia Spanopoulou, Anne Early, James Elliott, Nick Crispe, Heather Ladyman, Mary Ritter, Sue Watt, Frank Grosveld & Dimitris Kioussis
doi:10.1038/342185a0
First paragraph & References | PDF (644K)
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| | lonomycin-regulated phosphorylation of the myeloid calcium-binding protein p14 189
Jonathan Edgeworth, Paul Freemont & Nancy Hogg
doi:10.1038/342189a0
First paragraph & References | PDF (482K)
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| | Putative receptor for inositol 1,4,5-trisphosphate similar to ryanodine receptor 192
Gregory A. Mignery, Thomas C. Südhof, Koji Takei & Pietro De Camilli
doi:10.1038/342192a0
First paragraph & References | PDF (567K)
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| | The bcl-2 gene encodes a novel G protein 195
Subrata Haldar, Christine Beatty, Yoshihide Tsujimoto & Carlo M. Croce
doi:10.1038/342195a0
First paragraph & References | PDF (469K)
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| | Association of a Ras-related protein with cytochrome b of human neutrophils 198
Mark T. Quinn, Charles A. Parkos, Leslie Walker, Stuart H. Orkin, Mary C. Dinauer & Algirdas J. Jesaitis
doi:10.1038/342198a0
First paragraph & References | PDF (399K)
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| | Mutations that alter transcriptional activation but not DNA binding in the zinc finger of yeast activator HAPI 200
Kwang Soo Kim & Leonard Guarente
doi:10.1038/342200a0
First paragraph & References | PDF (531K)
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| | Images of single-stranded nucleic acids by scanning tunnelling microscopy 204
David D. Dunlap & Carlos Bustamante
doi:10.1038/342204a0
First paragraph & References | PDF (444K)
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| | Correction | |
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| | Phasing of protein-induced DNA bends in a recombination complex 206
Ursula K. Snyder, John F. Thompson & Arthur Landy
doi:10.1038/342206a0
References | PDF (135K)
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| | Product Reviews | |
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| | Genetic engineering of factor VIII 207
Genetic manipulation of mammalian cells has provided a means of producing unlimited quantities of a high purity, virus-free preparation of factor VIM — the most complex protein manufactured through rDNA technology to date.
R. J. Kaufman
doi:10.1038/342207a0
References | PDF (266K)
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| | Medica '89 in brief 208
A robotic sample processor and an ELISA kit for human interleukin-6 can be seen at Medica '89 in Dusseldorf, West Germany, 22−25 November.
Diane Gershon
doi:10.1038/342208a0
PDF (463K)
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