| | Opinion |  |
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| | Opening up Government 301
doi:10.1038/274301a0
PDF (90K)
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| | News | |
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| | US widens the options on fusion research 302
David Dickson reports from Washington on new doubts about the future of the Tokamak
David Dickson
doi:10.1038/274302a0
PDF (326K)
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| | [New 'picture story'] 303
doi:10.1038/274303a0
PDF (167K)
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| | NIH relaxes recombinant DNA guidelines 303
David Dickson
doi:10.1038/274303b0
PDF (167K)
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| | Brown pelican threat to space shuttle 304
David Dickson
doi:10.1038/274304a0
PDF (150K)
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| | The secret is to have no secrets 305
Vera Rich
doi:10.1038/274305a0
PDF (124K)
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| | Tungus expert discovers biofields 305
Vera Rich
doi:10.1038/274305b0
PDF (124K)
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| | Why send probes to Venus? 306
Professor Donald Hunter of the University of Arizona tells what next week's Venus launch may achieve
Donald Hunter
doi:10.1038/274306a0
PDF (365K)
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| | Out of the frying pan 307
doi:10.1038/274307a0
PDF (147K)
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| | Correspondence | |
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| | Difficulties in assessing carcinogenic activity 308
ERIC BOYLAND
doi:10.1038/274308a0
PDF (119K)
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| | Was war the origin of intelligence? 308
J. H. FREMLIN
doi:10.1038/274308b0
PDF (119K)
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| | Support for Spanish scientists 308
JUAN C. GOMEZ & FELIX M. GONI
doi:10.1038/274308c0
PDF (119K)
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| | News and Views |  |
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| | Pluto's satellite 309
David W. Hughes
doi:10.1038/274309a0
PDF (97K)
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| | Influenza A viruses: shaking out our shibboleths 309
Francis A. Ennis
doi:10.1038/274309b0
PDF (221K)
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| | The origins of modern biochemistry 310
Robert Olby
doi:10.1038/274310a0
PDF (380K)
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| | Monkeys prefer kin 311
John Krebs
doi:10.1038/274311a0
PDF (132K)
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| | Malaria, piroplasmosis and endotoxin 312
F. E. G. Cox
doi:10.1038/274312a0
PDF (125K)
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| | Hormone binding in plants 312
C. J. Lamb
doi:10.1038/274312b0
References | PDF (385K)
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| | The polyp has no I's 313
Jonathan Slack
doi:10.1038/274313a0
PDF (134K)
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| | Origin of the diffuse cosmic gamma rays 314
Arnold W. Wolfendale
doi:10.1038/274314a0
PDF (263K)
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| | Cancer chemotherapy: in vitro test 315
B. W. Fox & T. M. Dexter
doi:10.1038/274315a0
PDF (255K)
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| | Rejecting ophiolites 316
Peter J. Smith
doi:10.1038/274316a0
PDF (122K)
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| | A hundred years ago 316
doi:10.1038/274316b0
PDF (122K)
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| | Review Article |  |
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| | Mutator genes—pacemakers of evolution 317
James N. Thompson Jr & R. C. Woodruff
doi:10.1038/274317a0
Abstract & References | PDF (538K)
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| | Articles |  |
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| | Computed crystal structure images for high resolution electron microscopy 322
M. A. O'Keefe, P. R. Buseck & S. Iijima
doi:10.1038/274322a0
Abstract & References | PDF (554K)
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| | Origin of lamination in deep sea, fine-grained sediments 324
Dorrik A. V. Stow & Anthony J. Bowen
doi:10.1038/274324a0
Abstract & References | PDF (563K)
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| | The natural ovalbumin gene contains seven intervening sequences 328
Achilles Dugaiczyk, Savio L. C. Woo, Eugene C. Lai, Myles L. Mace Jr, Larry McReynolds & Bert W. O'Malley
doi:10.1038/274328a0
Abstract & References | PDF (798K)
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| | Recent human influenza A (H1N1) viruses are closely related genetically to strains isolated in 1950 334
Katsuhisa Nakajima, Ulrich Desselberger & Peter Palese
doi:10.1038/274334a0
Abstract & References | PDF (1,272K)
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| | Where do general anaesthetics act? 339
N. P. Franks & W. R. Lieb
doi:10.1038/274339a0
Abstract & References | PDF (460K)
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| | Letters | |
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| | A galaxy associated with 3C273 342
ALAN STOCKTON
doi:10.1038/274342a0
First paragraph & References | PDF (220K)
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| | Hard X-ray observations of cosmic  -ray sources 343
M. J. COE, J. J. QUENBY & A. R. ENGEL
doi:10.1038/274343a0
First paragraph & References | PDF (191K)
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| | Origin of MeV-excess in the energy spectrum of diffuse cosmic  rays 344
V. SCHÖNFELDER
doi:10.1038/274344a0
First paragraph & References | PDF (299K)
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| | On the identification of celestial -ray sources 346
E. MASSARO & L. SCARSI
doi:10.1038/274346a0
First paragraph & References | PDF (198K)
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| | Quark stars with 'realistic' equations of state 347
W. B. FECHNER & P. C. JOSS
doi:10.1038/274347a0
First paragraph & References | PDF (284K)
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| | Apparent superluminal expansion velocities in the dipole magnetic field model 349
MORDEHAI MILGROM & JOHN N. BAHCALL
doi:10.1038/274349a0
First paragraph & References | PDF (227K)
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| | Anomalous acceleration of minor ions in the solar wind 350
J. F. MCKENZIE, W.-H. IP & W. I. AXFORD
doi:10.1038/274350a0
First paragraph & References | PDF (211K)
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| | Natural enrichment of elements in snow 352
HERBERT V. WEISS, MICHAEL M. HERRON & CHESTER C. LANGWAY JR
doi:10.1038/274352a0
First paragraph & References | PDF (223K)
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| | Anisotropy of magnetic susceptibility measurements as a coal banding-plane indicator 353
BROOKS B. ELLWOOD & HALLAN C. NOLTIMIER
doi:10.1038/274353a0
First paragraph & References | PDF (222K)
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| | Evidence for denitrification in aerobic pelagic sediments 354
T. R. S. WILSON
doi:10.1038/274354a0
First paragraph & References | PDF (350K)
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| | Neolithic hyperarid period preceded the present climate of the Central Sahel 356
HENRI J. DUMONT
doi:10.1038/274356a0
First paragraph & References | PDF (516K)
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| | Magnetic field detection is distinct from light detection in the invertebrates Tenebrio and Talitrus
358
M. C. ARENDSE
doi:10.1038/274358a0
First paragraph & References | PDF (666K)
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| | Metabolism of the abyssopelagic rattail Coryphaenoides armatus measured in situ
362
K. L. SMITH JR
doi:10.1038/274362a0
First paragraph & References | PDF (385K)
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| | Interest of mice in conspecific male odours is influenced by degree of kinship 364
P. M. GILDER & P. J. B. SLATER
doi:10.1038/274364a0
First paragraph & References | PDF (232K)
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| | An athymic nude mutation in the rat 365
MICHAEL F. W. FESTING, D. LOVELL, S. SPARROW, DENNIS MAY & T. A. CONNORS
doi:10.1038/274365a0
First paragraph & References | PDF (256K)
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| | Involvement of histocompatibility antigens in embryonic cell recognition events 367
DAVID R. MCCLAY & LINDA R. GOODING
doi:10.1038/274367a0
First paragraph & References | PDF (239K)
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| | Isolation of antibodies to HCG/LH from human sera 368
M. WASS, K. McCANN & K. D. BAGSHAWE
doi:10.1038/274368a0
First paragraph & References | PDF (386K)
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| | Malignant transformation of a mouse epithelial cell line with poly cyclic aromatic hydrocarbons 370
SUKDEB MONDAL & MARIA SALA
doi:10.1038/274370a0
First paragraph & References | PDF (536K)
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| | Haemin promotes rapid neurite outgrowth in cultured mouse neuroblastoma cells 372
DOUGLAS N. ISHII & GEORGE M. MANIATIS
doi:10.1038/274372a0
First paragraph & References | PDF (369K)
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| | Structural and functional restoration by collateral sprouting of hippocampal 5-HT axons 374
EFRAIN C. AZMITIA, ALASTAIR M. BUCHAN & JONATHAN H. WILLIAMS
doi:10.1038/274374a0
First paragraph & References | PDF (391K)
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| | Serially homologous neurones as concomitants of functional specialisation 377
JOHN A. WILSON & GRAHAM HOYLE
doi:10.1038/274377a0
First paragraph & References | PDF (332K)
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| | The units of calcium conduction in Helix neurones 379
N. AKAIKE, H. M. FISHMAN, K. S. LEE, L. E. MOORE & A. M. BROWN
doi:10.1038/274379a0
First paragraph & References | PDF (545K)
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| | Characterisation of a synthetic, voltage-dependent, cation-selective transmembrane channel 382
DAN W. URRY, RONALD J. BRADLEY & TAKANOBU OHNISHI
doi:10.1038/274382a0
First paragraph & References | PDF (314K)
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| | GABAergic modulation of benzodiazepine binding site sensitivity 383
JOHN F. TALLMAN, JOHN W. THOMAS & DOROTHY W. GALLAGER
doi:10.1038/274383a0
First paragraph & References | PDF (368K)
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| | Overcoming conduction failure in demyelinated nerve fibres by prolonging action potentials 385
H. BOSTOCK, R. M. SHERRATT & T. A. SEARS
doi:10.1038/274385a0
First paragraph & References | PDF (326K)
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| | Does substance P mediate slow synaptic excitation within the myenteric plexus? 387
YOSHIFUMI KATAYAMA & R. ALAN NORTH
doi:10.1038/274387a0
First paragraph & References | PDF (226K)
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| | Is the quantum of transmitter release composed of subunits? 388
DOUGLAS C. MILLER, MARTIN M. WEINSTOCK & KARL L. MAGLEBY
doi:10.1038/274388a0
First paragraph & References | PDF (306K)
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| | Ca pump driven by ATP in squid axons 390
REINALDO DIPOLO
doi:10.1038/274390a0
First paragraph & References | PDF (321K)
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| | Immunochemical identification of renin in rat brain and distinction from acid proteases 392
SHIGEHISA HIROSE, HIDEYOSHI YOKOSAWA & TADASHI INAGAMI
doi:10.1038/274392a0
First paragraph & References | PDF (249K)
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| | Cholesterol oxidase as a probe for studying membrane organisation 394
E. J. PATZER, R. R. WAGNER & Y. BARENHOLZ
doi:10.1038/274394a0
First paragraph & References | PDF (250K)
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| | Pathogenicity of conventional and debilitated Escherichia coli K12 395
STUART B. LEVY, NADINE SULLIVAN & SHERWOOD L. GORBACH
doi:10.1038/274395a0
First paragraph & References | PDF (224K)
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| | Inability of debilitated Escherichia coli  1776 to colonise germ-free rodents 397
CAROL L. WELLS, WILLIAM J. JOHNSON, CLAUDIA M. KAN & EDWARD BALISH
doi:10.1038/274397a0
First paragraph & References | PDF (350K)
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| | Transformation of plasmid DNA into Streptomyces at high frequency 398
MERVYN J. BIBB, JUDITH M. WARD & DAVID A. HOPWOOD
doi:10.1038/274398a0
First paragraph & References | PDF (433K)
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| | A chymotrypsin-sensitive step in the development of Dictyostelium discoideum
400
JERZY A. SCHMIDT, JOHN L. STIRLING, GARETH E. JONES & JOHN PACY
doi:10.1038/274400a0
First paragraph & References | PDF (254K)
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| | Charge separation as a component of the structural requirements for hormone activity 401
J. A. FARRIMOND, M. C. ELLIOTT & D. W. CLACK
doi:10.1038/274401a0
First paragraph & References | PDF (233K)
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| | Book Reviews | |
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| | What then is time? 403
G. J. Whitrow reviews Time and Man
By
L. R. B. Elton & H. Messel
doi:10.1038/274403a0
PDF (114K)
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| | Applied group theory 403
H. C. Longuet-Higgins reviews Induced Representations in Crystals and Molecules (Point, Space and Non-rigid Molecule Groups)
By
S. L. Altmann
doi:10.1038/274403b0
PDF (238K)
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| | Current cancer research 404
Richard Peto reviews The Story of Cancer: On its Nature, Causes and Control
By
A. C. Braun
doi:10.1038/274404a0
PDF (127K)
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| | Transplantation immunology and pathology 405
Leslie Brent reviews Handbuch der Allgemeinen Pathologie
Volume 6, Part 8: Transplantation. Edited by
J. W. Masshoff
doi:10.1038/274405a0
PDF (128K)
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| | Fourier transform infrared spectroscopy 405
Geoffrey Duxbury reviews Fourier Transform Infrared Spectroscopy: Applications to Chemical Systems
Vol. 1. Edited by
J. R. Ferraro & L. J. Basile
doi:10.1038/274405b0
PDF (129K)
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| | Bioinorganic chemistry 406
A. J. Thomson reviews Bioinorganic Chemistry: An Introduction
By
Ei-Ichiro Ochiai
doi:10.1038/274406a0
PDF (130K)
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| | Colour and craftsmanship in psychopharmacology 406
Griffith Edwards reviews Psychopharmacology: A Generation of Progress
Edited by
M. A. Lipton, A. DiMascio & K. F. Killman
doi:10.1038/274406b0
PDF (130K)
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| | Poor introduction to insect control 407
J. A. Picket reviews Biochemical Insect Control: Its Impact on Economy, Environment and Natural Selection
By
M. Sayeed Quraishi
doi:10.1038/274407a0
PDF (128K)
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| | Biochemical taxonomy 407
A. G. Dickerson reviews Biochemical Phylogeny of the Protists
By
M. A. Ragan & D. J. Chapman
doi:10.1038/274407b0
PDF (128K)
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| | Celestial mechanics 408
A. H. Jupp reviews Orbital Motion
By
A. E. Roy
doi:10.1038/274408a0
PDF (126K)
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| | Limb development 408
R. M. Gaze reviews Vertebrate Limb and Somite Morphogenesis
Edited by
D. A. Ede, J. R. Hinchcliffe & M. Balls
doi:10.1038/274408b0
PDF (126K)
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