| | Opinion |  |
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| | Psychiatric illness and freedom 293
The Soviet Union has predictably resigned from the World Psychiatric Association. The remaining members should put their own houses in order. Prisoners are especially at risk.
doi:10.1038/304293a0
PDF (130K)
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| | Beware the dustbowl 294
doi:10.1038/304294a0
PDF (171K)
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| | Empiricism in enterprise 294
The British Government should work out a coherent policy on innovation.
doi:10.1038/304294b0
PDF (171K)
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| | News | |
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| | Star wars: US Senate urges restraint on space weapons tests 295
Peter David
doi:10.1038/304295a0
PDF (323K)
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| | Largest dinosaur from Surrey 295
Nigel Williams
doi:10.1038/304295b0
PDF (323K)
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| | Plant biotechnology: UK company's delayed budding 296
Tim Beardsley
doi:10.1038/304296a0
PDF (141K)
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| | Prutec looks overseas 296
doi:10.1038/304296b0
PDF (141K)
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| | Hungarian biotechnology: Priority plan preempted 296
Vera Rich
doi:10.1038/304296c0
PDF (141K)
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| | Hepatitis-B vaccine: Tempers fray as production nears 297
Robert Walgate
doi:10.1038/304297a0
PDF (137K)
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| | Biogen's inside track 297
Geert Linnebank
doi:10.1038/304297b0
PDF (137K)
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| | Electron accelerators: Argonne concedes defeat 297
Stephen Budiansky
doi:10.1038/304297c0
PDF (137K)
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| | French budget: More means less for research 298
Robert Walgate
doi:10.1038/304298a0
PDF (134K)
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| | Europe follows US 298
Geert Linnebank
doi:10.1038/304298b0
PDF (134K)
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| | Computers in France: Beggars must buy Bull 298
Robert Walgate
doi:10.1038/304298c0
PDF (134K)
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| | Asbestos risks: Manville tries to pass the buck 299
Stephen Budiansky
doi:10.1038/304299a0
PDF (137K)
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| | Polish salt-mines: Zlotys for church conservation 299
Vera Rich
doi:10.1038/304299b0
PDF (137K)
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| | Canadian MRC 299
Stephen Budiansky
doi:10.1038/304299c0
PDF (137K)
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| | UK research: Council considers economies 300
Philip Campbell
doi:10.1038/304300a0
PDF (141K)
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| | Scientists in India 300
doi:10.1038/304300b0
PDF (141K)
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| | Polish education: New guise for martial law 300
Vera Rich
doi:10.1038/304300c0
PDF (141K)
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| | Embryo sexing: Cattle now, people next? 301
Tim Beardsley
doi:10.1038/304301a0
PDF (135K)
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| | Frozen embryo aborts 301
Vimala Sarma
doi:10.1038/304301b0
PDF (135K)
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| | Soviet nuclear energy: Accident at construction plant 301
Vera Rich
doi:10.1038/304301c0
PDF (135K)
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| | No cancer risk 301
doi:10.1038/304301d0
PDF (135K)
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| | Correspondence | |
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| | Publicity and priority 302
WALTER F. BODMER
doi:10.1038/304302a0
PDF (146K)
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| | Election recount 302
PHILIP J. STEWART
doi:10.1038/304302b0
PDF (146K)
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| | In the beginning ... 302
STEVEN LOVELL
doi:10.1038/304302c0
PDF (146K)
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| | News and Views |  |
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| | Summer does not spell greenhouse 303
General curiosity about climatic change is usually provoked by cold winters or hot summers. But speculation is too little constrained by statistics.
John Maddox
doi:10.1038/304303a0
PDF (130K)
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| | Cosmology: Deciphering the cosmic code 304
Joseph Silk
doi:10.1038/304304a0
PDF (281K)
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| | Quantum mechanics: Phonokinetic analogue of the photoelectric effect? 305
J.F. Allen
doi:10.1038/304305a0
PDF (140K)
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| | Immunology: More sources of antibody diversity 306
T.J. Kindt & A. Coutinho
doi:10.1038/304306a0
PDF (270K)
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| | Embryology: Lethal mutation in collagen gene 307
Keith R. Willison
doi:10.1038/304307a0
References | PDF (136K)
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| | Plant biochemistry: Mobile genes of chloroplasts and the promiscuity of DNA 308
John Ellis
doi:10.1038/304308a0
References | PDF (266K)
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| | Errata 308
doi:10.1038/304308b0
PDF (132K)
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| | RNA processing: Sequences that signal where to splice 309
S.M. Mount
doi:10.1038/304309a0
References | PDF (268K)
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| | Plant ecology: Photosynthetic pathways in aquatic plants 310
Peter D. Moore
doi:10.1038/304310a0
References | PDF (135K)
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| | Articles |  |
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| | Astrophysical consequences of a violation of the strong equivalence principle 311
V. M. Canuto & I. Goldman
doi:10.1038/304311a0
Abstract & References | PDF (703K)
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| | Embryonic lethal mutation in mice induced by retrovirus insertion into the  1(I) collagen gene 315
Angelika Schnieke, Klaus Harbers & Rudolf Jaenisch
doi:10.1038/304315a0
Abstract & References | PDF (802K)
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| | mRNA sequences define an unusually restricted IgG response to 2-phenyloxazolone and its early diversification 320
Matti Kaartinen, Gillian M. Griffiths, Alex F. Markham & Cesar Milstein
doi:10.1038/304320a0
Abstract & References | PDF (590K)
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| | Letters | |
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| | Quantized evaporation from liquid helium 325
M. J. Baird, F. R. Hope & A. F. G. Wyatt
doi:10.1038/304325a0
First paragraph & References | PDF (221K)
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| | Facular influences on the apparent solar shape 326
R. H. Dicke, J. R. Kuhn & K. G. Libbrecht
doi:10.1038/304326a0
First paragraph & References | PDF (319K)
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| | 15-Myr periodicity in the frequency of geomagnetic reversals since 100 Myr 328
Alain Mazaud, Carlo Laj, Laurent de Sèze & Kenneth L. Verosub
doi:10.1038/304328a0
First paragraph & References | PDF (491K)
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| | Two different R−N geomagnetic reversals with identical VGP paths recorded at the same site 330
J.-P. Valet, C. Laj & C. G. Langereis
doi:10.1038/304330a0
First paragraph & References | PDF (449K)
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| | Palaeomagnetic evidence for early Pleistocene in the central and northern North Sea 332
M. S. Stoker, A. C. Skinner, J. A. Fyfe & D. Long
doi:10.1038/304332a0
First paragraph & References | PDF (320K)
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| | Bowers graben and associated tectonic features cross northern Victoria Land, Antarctica 334
E. Stump, M. G. Laird, J. D. Bradshaw, J. R. Holloway, S. G. Borg & K. E. Lapham
doi:10.1038/304334a0
First paragraph & References | PDF (361K)
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| | Factors determining desert dune type 337
R. J. Wasson & R. Hyde
doi:10.1038/304337a0
First paragraph & References | PDF (364K)
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| | Satellite and ship studies of coccolithophore production along a continental shelf edge 339
P. M. Holligan, M. Viollier, D. S. Harbour, P. Camus & M. Champagne-Philippe
doi:10.1038/304339a0
First paragraph & References | PDF (777K)
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| | Genesis of humus B horizons in hydromorphic humus podzols 342
V. C. Farmer, J. O. Skjemstad & C. H. Thompson
doi:10.1038/304342a0
First paragraph & References | PDF (466K)
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| | Loosening of paranodal myelin by repetitive propagation of action potentials 344
O. Morán & L. Mateu
doi:10.1038/304344a0
First paragraph & References | PDF (234K)
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| | Absence of oestradiol concentration in cell nuclei of LHRH-immunoreactive neurones 345
B. D. Shivers, R. E. Harlan, J. I. Morrell & D. W. Pfaff
doi:10.1038/304345a0
First paragraph & References | PDF (589K)
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| | Adult and embryonic mouse neural cell adhesion molecules have different binding properties 347
R. Sadoul, M. Hirn, H. Deagostini-Bazin, G. Rougon & C. Goridis
doi:10.1038/304347a0
First paragraph & References | PDF (420K)
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| | Detection of intracellular Ca2+ transients in sympathetic neurones using arsenazo III
350
Stephen J. Smith, Amy B. MacDermott & Forrest F. Weight
doi:10.1038/304350a0
First paragraph & References | PDF (330K)
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| | Two monoclonal antibodies against different antigens using the same V
H germ-line gene 353
José Rocca-Serra, Cécile Tonnelle & Michel Fougereau
doi:10.1038/304353a0
First paragraph & References | PDF (343K)
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| | Early pre-B cells from normal and X-linked agammaglobulinaemia produce C
without an attached VH region 355
Jerrold Schwaber, Harald Molgaard, Stuart H. Orkin, Hannah J. Gould & Fred S. Rosen
doi:10.1038/304355a0
First paragraph & References | PDF (645K)
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| | Detection of a novel human class II HLA antigen 358
Andrew J. Watson, Robert DeMars, Ian S. Trowbridge & Fritz H. Bach
doi:10.1038/304358a0
First paragraph & References | PDF (938K)
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| | Disruption of microfilament organization after injection of F-actin capping proteins into living tissue culture cells 361
Annette Füchtbauer, Brigitte M. Jockusch, Hiroshi Maruta, Manfred W. Kilimann & Gerhard Isenberg
doi:10.1038/304361a0
First paragraph & References | PDF (651K)
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| | Switching of subunit composition of muscle spectrin during myogenesis in vitro
364
W. James Nelson & Elias Lazarides
doi:10.1038/304364a0
First paragraph & References | PDF (835K)
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| | Exon duplication and divergence in the human preproglucagon gene 368
Graeme I. Bell, Ray Sanchez-Pescador, Paul J. Laybourn & Richard C. Najarian
doi:10.1038/304368a0
First paragraph & References | PDF (580K)
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| | Linkage of human apolipoproteins A-I and C-III genes 371
Sotirios K. Karathanasis, Joseph McPherson, Vassilis I. Zannis & Jan L. Breslow
doi:10.1038/304371a0
First paragraph & References | PDF (875K)
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| | Encoding of both subunits of ribulose-1,5-bisphosphate carboxylase by organelle genome of Cyanaphora paradoxa
373
Sabine Heinhorst & J. M. Shively
doi:10.1038/304373a0
First paragraph & References | PDF (656K)
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| | Matters Arising | |
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| | Evidence for earlier date of Ubeidiya, Israel hominid site 375
N. D. OPDYKE, E. LINDSAY & G. KUKLA
doi:10.1038/304375a0
References | PDF (136K)
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| | Evidence for earlier date of Ubeidiya, Israel hominid site (reply) 375
CHARLES A. REPENNING
doi:10.1038/304375b0
References | PDF (270K)
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| | Disruptive or directional selection? 376
KEVIN FOWLER & JON SEGER
doi:10.1038/304376a0
References | PDF (138K)
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| | Disruptive or directional selection? (reply) 376
M. A. TORO & J. M. PEREZ−TOMÉ
doi:10.1038/304376b0
References | PDF (138K)
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| | Book Reviews |  |
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| | Genetics at first sight 377
J.R.S. Fincham reviews A Feeling for the Organism: The Life and Work of Barbara McClintock.
By
Evelyn Fox Keller
doi:10.1038/304377a0
PDF (296K)
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| | Developing theories of evolution 378
Peter Lawrence reviews Embryos, Genes, and Evolution: The Developmental−Genetic Basis of Evolutionary Change.
By
Rudolf A. Raff & Thomas C. Kaufman
doi:10.1038/304378a0
PDF (389K)
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| | Reflections of cosmic discrimination 379
P.W. Atkins reviews Molecular Optical Activity and the Chiral Discriminations.
By
Stephen F. Mason
doi:10.1038/304379a0
PDF (124K)
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| | Geochemistry: up and down and all around the oceans 380
Henry Elderfield reviews Tracers in the Sea.
By
Wallace Smith Broecker & Tsung-Hung Peng
doi:10.1038/304380a0
PDF (136K)
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| | Why study H-Y? 380
Peter Goodfellow reviews H−Y Antigen and the Biology of Sex Determination.
By
Stephen S. Wachtel
doi:10.1038/304380b0
PDF (136K)
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