| | Opinion |  |
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| | How to tackle global calamity 191
The Pugwash organization prefaces this year's statement on arms control with a declaration on the threat of global catastrophe by other means. It should now apply its traditional methods to this new field.
doi:10.1038/335191a0
PDF (260K)
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| | Everything is money 192
Finance ministers should not be surprised that their economies seem uncontrollable.
doi:10.1038/335192a0
PDF (139K)
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| | Tricks to order 192
US regulators offer sensible guidelines for investigating fraud, but should keep their distance.
doi:10.1038/335192b0
PDF (139K)
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| | News | |
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| | James Watson to head NIH human genome project 193
 Congress wants independent advisory body
International coordinating group set up
Joseph Palca
doi:10.1038/335193a0
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| | Uranium restrictions accepted by India 193
Radhakrishna Rao
doi:10.1038/335193b0
PDF (135K)
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| | Britain wasting time 193
Christine McGourty
doi:10.1038/335193c0
PDF (135K)
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| | Japan's budget request up by 13 per cent on this year 194
David Swinbanks
doi:10.1038/335194a0
PDF (132K)
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| | Titan launches 194
David Lindley
doi:10.1038/335194b0
PDF (132K)
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| | US proposes new rules for dealing with misconduct 195
Joseph Palca
doi:10.1038/335195a0
PDF (140K)
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| | International dispute at the BA 195
Christine McGourty
doi:10.1038/335195b0
PDF (140K)
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| | Neuroscience in Europe 196
Jennifer Altman
doi:10.1038/335196a0
PDF (135K)
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| | Superconductivity in UK suffers from apathy in industry 196
Christine McGourty
doi:10.1038/335196b0
PDF (135K)
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| | Drug testing at Seoul 196
Christine McGourty
doi:10.1038/335196c0
PDF (135K)
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| | US scientists slow in grasping potential of supercomputers 197
David Lindley
doi:10.1038/335197a0
PDF (130K)
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| | Row over White House moves to ban fetal tissue research 197
Joseph Palca
doi:10.1038/335197b0
PDF (130K)
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| | Who leads the drugs league? 198
Christine McGourty
doi:10.1038/335198a0
PDF (135K)
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| | Computer software in India 198
K.S. Jayaraman
doi:10.1038/335198b0
PDF (135K)
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| | Air pollution takes its toll in the US 198
Joseph Palca
doi:10.1038/335198c0
PDF (135K)
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| | Troubled Soviet space effort 199
Vera Rich
doi:10.1038/335199a0
PDF (133K)
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| | Next round in West Germany's biotechnology licensing struggle 199
Steven Dickman
doi:10.1038/335199b0
PDF (133K)
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| | Accelerator for art's sake at the Louvre 199
Peter Coles
doi:10.1038/335199c0
PDF (133K)
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| | Correspondence | |
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| | Controversy continues 200
ROBIN G. GIBSON & SHEILA L.M. GIBSON
doi:10.1038/335200a0
References | PDF (130K)
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| | Controversy continues 200
MORRIS DOUBLET-STEWART & CHRISTINE DOUBLET-STEWART
doi:10.1038/335200b0
PDF (130K)
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| | Controversy continues 200
G.J. NEVILLE
doi:10.1038/335200c0
PDF (130K)
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| | Controversy continues 200
PETER TAYLOR
doi:10.1038/335200d0
PDF (130K)
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| | World of guesses 200
R. E. SPIER
doi:10.1038/335200e0
PDF (130K)
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| | News and Views |  |
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| | Crystals from first principles 201
A new calculation of the polymorphs of silica appears to have broken new ground in deriving crystal structure from chemical composition. But X-ray crystallographers need not worry — yet.
John Maddox
doi:10.1038/335201a0
PDF (132K)
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| | Whirlpool traced by granulation 202
Juri Toomre
doi:10.1038/335202a0
References | PDF (361K)
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| | Fungi not fire damaged Aleppo Codex 203
doi:10.1038/335203a0
References | PDF (200K)
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| | Contrasts in critical current 204
David Caplin
doi:10.1038/335204a0
PDF (118K)
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| | Ocean productivity from space 205
Paul Falkowski
doi:10.1038/335205a0
References | PDF (130K)
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| | Interior and origin of Pluto 205
David W. Hughes
doi:10.1038/335205b0
PDF (244K)
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| | Pellets feel the pressure 206
R. S. Pease
doi:10.1038/335206a0
PDF (252K)
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| | A mitotic inducer matures 207
Andrew W. Murray
doi:10.1038/335207a0
References | PDF (275K)
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| | Accessories or coreceptors? 208
Charles A. Janeway Jr
doi:10.1038/335208a0
References | PDF (579K)
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| | Jogging on the spot 210
David Jones
doi:10.1038/335210a0
PDF (142K)
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| | Scientific Correspondence | |
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| | Accounting for cystic fibrosis 211
P.S. BAXTER, J. GOLDHILL, J. HARDCASTLE, P.T. HARDCASTLE & C. J. TAYLOR
doi:10.1038/335211a0
References | PDF (112K)
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| | Ice-layer dating of eruption at Santorini 211
MALCOLM K. HUGHES
doi:10.1038/335211b0
References | PDF (234K)
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| | Less sinister statistics from baseball records 212
E. K. WOOD
doi:10.1038/335212a0
References | PDF (123K)
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| | AIDS and common sense 212
GEORGE E. MOORE
doi:10.1038/335212b0
PDF (123K)
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| | Book Reviews |  |
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| | The computational options 213
Christof Koch reviews Neural and Brain Modeling
By
Ronald J. MacGregor
doi:10.1038/335213a0
PDF (302K)
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| | 213
doi:10.1038/335213b0
PDF (154K)
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| | Three down 214
C. M. Perrins reviews The Birds of Africa, Vol. III
Edited by
C. Hilary Fry, Stuart Keith & Emil K. Urban
doi:10.1038/335214a0
PDF (150K)
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| | Civilized origins 215
Nick Saunders reviews Peruvian Prehistory
Edited by
Richard W. Keatinge
doi:10.1038/335215a0
PDF (135K)
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| | Chance encounter 215
George Greenstein reviews Not by Design: The Origin of the Universe
By
Victor J. Stenger
doi:10.1038/335215b0
PDF (269K)
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| | Green genes 216
Ian D. Small & C. J. Leaver reviews Plant Genetic Transformation and Gene Expression: A Laboratory Manual
Edited by
John Draper, Roderick Scott, Philip Armitage, Richard Walden, Stanton B. Gelvin & Robert A. Schilperoort
doi:10.1038/335216a0
PDF (135K)
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| | Review Article | |
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| | A new view of the mid-ocean ridge from the behaviour of ridge-axis discontinuities 217
Ken C. Macdonald, P. J. Fox, L. J. Perram, M. F. Eisen, R. M. Haymon, S. P. Miller, S. M. Carbotte, M.-H. Cormier & A. N. Shor
doi:10.1038/335217a0
Abstract & References | PDF (2,083K)
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| | Articles |  |
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| | Laser-driven implosion of thermonuclear fuel to 20 to 40 g cm−3
225
R. L. McCrory, J. M. Soures, C. P. Verdon, F. J. Marshall, S. A. Letzring, S. Skupsky, T. J. Kessler, R. L. Kremens, J. P. Knauer, H. Kim, J. Delettrez, R. L. Keck & D. K. Bradley
doi:10.1038/335225a0
First paragraph & References | PDF (704K)
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| | Thymic major histocompatibility complex antigens and the   T-cell receptor determine the CD4/CD8 phenotype of T cells 229
Hung Sia Teh, Pawel Kisielow, Bernadette Scott, Hiroyuki Kishi, Yasushi Uematsu, Horst Blüthmann & Harald von Boehmer
doi:10.1038/335229a0
First paragraph & References | PDF (866K)
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| | Letters | |
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| | Evidence for cyclotron absorption from spectral features in gamma-ray bursts seen with Ginga 234
T. Murakami, M. Fujii, K. Hayashida, M. Itoh, J. Nishimura, T. Yamagami, J. P. Conner, W. D. Evans, E. E. Fenimore, R. W. Klebesadel, A. Yoshida, I. Kondo & N. Kawai
doi:10.1038/335234a0
First paragraph & References | PDF (197K)
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| | Radio images of the expanding ejecta of nova QU Vulpeculae 1984 235
A. R. Taylor, R. M. Hjellming, E. R. Seaquist & R. D. Gehrz
doi:10.1038/335235a0
First paragraph & References | PDF (556K)
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| | Vortex flow in the solar photosphere 238
P. N. Brandt, G. B. Scharmert, S. Ferguson, R. A. Shine, T. D. Tarbell & A. M. Title
doi:10.1038/335238a0
First paragraph & References | PDF (479K)
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| | Pluto's structure and composition suggest origin in the solar, not a planetary, nebula 240
William B. McKinnon & Steve Mueller
doi:10.1038/335240a0
First paragraph & References | PDF (728K)
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| | The effect of hydrogen on oxygen diffusion in quartz: evidence for fast proton transients? 243
S. C. Elphick & C. M. Graham
doi:10.1038/335243a0
First paragraph & References | PDF (410K)
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| | Satellite detection of transient enhanced primary production in the western Mediterranean Sea 245
Steven E. Lohrenz, Robert A. Arnone, Denis A. Wiesenburg & Irene P. DePalma
doi:10.1038/335245a0
First paragraph & References | PDF (593K)
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| | Quantitative analysis of radiocaesium retention in soils 247
A. Cremers, A. Elsen, P. De Preter & A. Maes
doi:10.1038/335247a0
First paragraph & References | PDF (531K)
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| | Effects of protein kinase C activators on cardiac Ca2+ channels 249
Antonio E. Lacerda, David Rampe & Arthur M. Brown
doi:10.1038/335249a0
First paragraph & References | PDF (345K)
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| | Activation at M-phase of a protein kinase encoded by a starfish homologue of the cell cycle control gene cdc2
+
251
J. C. Labbe, M. G. Lee, P. Nurse, A. Picard & M. Doree
doi:10.1038/335251a0
First paragraph & References | PDF (419K)
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| | Serotonin stimulates DNA synthesis in fibroblasts acting through 5−HT1B receptors coupled to a Gi-protein 254
Klaus Seuwen, Isabelle Magnaldo & Jacques Pouysségur
doi:10.1038/335254a0
First paragraph & References | PDF (319K)
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| | Transfer of a functional human immune system to mice with severe combined immunodeficiency 256
Donald E. Mosier, Richard J. Gulizia, Stephen M. Baird & Darcy B. Wilson
doi:10.1038/335256a0
First paragraph & References | PDF (566K)
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| | Successful vaccination with a polyvalent live vector despite existing immunity to an expressed antigen 259
Charles Flexner, Brian R. Murphy, James F. Rooney, Charles Wohlenberg, Vadim Yuferov, Abner L. Notkins & Bernard Moss
doi:10.1038/335259a0
First paragraph & References | PDF (644K)
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| | A naturally immunogenic virion-associated protein specific for HIV-2 and SIV 262
Xiao-Fang Yu, Susumu Ito, Max Essex & Tun-Hou Lee
doi:10.1038/335262a0
First paragraph & References | PDF (449K)
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| | MHC polymorphism pre-dating speciation 265
Felipe Figueroa, Eberhardt Gúnther & Jan Klein
doi:10.1038/335265a0
First paragraph & References | PDF (362K)
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HLA-A and B polymorphisms predate the divergence of humans and chimpanzees 268
David A. Lawlor, Frances E. Ward, Peter D. Ennis, Antony P. Jackson & Peter Parham
doi:10.1038/335268a0
First paragraph & References | PDF (530K)
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| | Selective expression of an antigen receptor on CD8-bearing T lymphocytes in transgenic mice
271
William C. Sha, Christopher A. Nelson, Rodney D. Newberry, David M. Kranzt, John H. Russell & Dennis Y. Loh
doi:10.1038/335271a0
First paragraph & References | PDF (519K)
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| | Function of torso in determining the terminal anlagen of the Drosophila embryo
275
Martin Klingler, Miklos Erdélyi, János Szabad & Christiane Nüsslein-Volhard
doi:10.1038/335275a0
First paragraph & References | PDF (539K)
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| | guide to authors | |
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| | 278
doi:10.1038/335278a0
PDF (128K)
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| | Product Reviews | |
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| | A guide to ion-selective electrodes
279
D. C. Hixon
doi:10.1038/335279a0
PDF (233K)
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| | Measures for measurement 280
Carol Ezzell
doi:10.1038/335280a0
PDF (569K)
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