| | Opinion |  |
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| | Engineering organisms for release 81
Britain's Royal Commission on Environmental Pollution has produced unexpectedly cautious proposals for the regulation of the release of engineered organisms into the environment, but they are none the worse for that.
doi:10.1038/340081a0
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| | Can heresy be real? 82
INSERM has done the only decent thing by confirming Dr Jacques Benveniste in his post. But what happens now?
doi:10.1038/340082a0
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| | News | |
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| | Abortion ruling divides the United States 83
Alun Anderson
doi:10.1038/340083a0
PDF (148K)
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| | Plant goes for a dollar 83
Seth Shulman
doi:10.1038/340083b0
PDF (148K)
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| | Controls needed on release 84
Peter Newmark
doi:10.1038/340084a0
PDF (155K)
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| | Experimental releases in progress in Britain 84
Peter Newmark
doi:10.1038/340084b0
PDF (155K)
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| | West Germany eases law 85
Steven Dickman
doi:10.1038/340085a0
PDF (140K)
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| | Japanese traditions keep ivory trade alive 85
David Swinbanks
doi:10.1038/340085b0
PDF (153K)
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| | Oncomouse seeks European protection 85
Steven Dickman
doi:10.1038/340085c0
PDF (153K)
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| | News in Brief | |
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| | New moon for Neptune 86
David Lindley
doi:10.1038/340086a0
PDF (160K)
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| | From moulds to money 86
Peter Newmark.
doi:10.1038/340086b0
PDF (160K)
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| | Embezzlement arrest 86
Vera Rich
doi:10.1038/340086c0
PDF (160K)
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| | News | |
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| | The end of a scientific era? 86
Steven Dickman & Jennifer Altman
doi:10.1038/340086d0
PDF (160K)
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| | New telescope agreed 87
Alun Anderson
doi:10.1038/340087a0
PDF (168K)
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| | NIH to end support for electronic network 87
Carol Ezzell
doi:10.1038/340087b0
PDF (168K)
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| | New regulations proposed 88
Christine McGourty
doi:10.1038/340088a0
PDF (153K)
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| | Cambridge law passes unanimously 88
Seth Shulman
doi:10.1038/340088b0
PDF (153K)
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| | Problems in Hungary 89
Vera Rich
doi:10.1038/340089a0
PDF (139K)
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| | Benveniste under review 89
Peter Coles
doi:10.1038/340089b0
PDF (139K)
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| | Success for Greens 89
Tania Ewing
doi:10.1038/340089c0
PDF (139K)
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| | Approval hoped for soon 90
David Lindley
doi:10.1038/340090a0
PDF (155K)
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| | Old morality study finally surfaces 90
David Lindley
doi:10.1038/340090b0
PDF (155K)
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| | Approval hoped for soon 90
Peter Newark
doi:10.1038/340090c0
PDF (155K)
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| | Commentary |  |
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| | The benefits of the commons 91
Conventional wisdom holds that resources held in common will invariably be overexploited — the "tragedy of the commons". A number of examples show that this is not necessarily so.
F. Berkes, D. Feeny, B. J. McCay & J. M. Acheson
doi:10.1038/340091a0
References | PDF (405K)
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| | Correspondence | |
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| | India's too costly imports 94
Y. D. SARMA
doi:10.1038/340094a0
PDF (148K)
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| | Food comes first 94
A. N. MALVIYA
doi:10.1038/340094b0
PDF (148K)
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| | Cry from the past 94
FREDERICK R. SCHRAM
doi:10.1038/340094c0
PDF (148K)
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| | Mistaken identity? 94
LAURENCE D. HURST
doi:10.1038/340094d0
PDF (148K)
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| | News and Views |  |
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| | Do authors need guidance? 95
The wish that news of discovery should quickly reach the public that pays for it should be more often tempered by deliberation. Prior publication is, by definition, premature.
John Maddox
doi:10.1038/340095a0
PDF (145K)
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| | Oldest Eurasian stone tools 96
Eric Delson
doi:10.1038/340096a0
References | PDF (170K)
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| | Mitogenic neurotransmitters 97
Michael R. Hanley
doi:10.1038/340097a0
References | PDF (142K)
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| | Magnetism of layered helium-3 98
P. V. E. McClintock
doi:10.1038/340098a0
PDF (288K)
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| | Organizing cytoplasmic events 99
Douglas R. Kellogg
doi:10.1038/340099a0
References | PDF (286K)
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| | Less thick than a brick 100
Paul Calvert
doi:10.1038/340100a0
References | PDF (154K)
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| | Goslings of gay geese 101
Jared M. Diamond
doi:10.1038/340101a0
References | PDF (176K)
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| | 100 years ago 101
doi:10.1038/340101b0
PDF (176K)
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| | A case of two conductors 102
T. J. Shankland
doi:10.1038/340102a0
References | PDF (154K)
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| | Against the law 102
David Jones
doi:10.1038/340102b0
PDF (154K)
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| | Scientific Correspondence | |
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| | Leucine-zipper motif update 103
KEN McCoRMACK, JAMES T. CAMPANELLI, MANI RAMASWAMI, MATHEW K. MATHEW, MARK A. TANOUYE, LINDA E. IVERSON & BERNARDO RUDY
doi:10.1038/340103a0
References | PDF (143K)
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| | Leucine-zipper motif update 103
MARTYN K. WHITE & MICHAEL J. WEBER
doi:10.1038/340103b0
References | PDF (279K)
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| | Multiple sclerosis and paramyxovirus 104
W. C. RUSSELL, R. E. RANDALL & K. K. A. GOSWAMI
doi:10.1038/340104a0
References | PDF (151K)
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| | Validity of sexual selection in birds 104
MARLENE ZUK
doi:10.1038/340104b0
PDF (292K)
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| | Validity of sexual selection in birds 105
ANDREW F. READ & PAUL H. HARVEY
doi:10.1038/340105a0
References | PDF (156K)
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| | Cold fusion ideas 105
M. E. BRIDGE, D. R. LLOYD & J. M. D. COEY
doi:10.1038/340105b0
References | PDF (282K)
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| | Delayed birth 106
ELEANOR E. STORRS & H. P. BURCHFIELD
doi:10.1038/340106a0
References | PDF (141K)
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| | Cell identity resolved 106
T. R. CHEN, C. DOROTINSKY, M. MACY & R. HAY
doi:10.1038/340106b0
References | PDF (141K)
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| | Origin of soil magnetite 106
DEREK R. LOVLEY & JOHN F. STOLZ
doi:10.1038/340106c0
References | PDF (141K)
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| | Origin of soil magnetite 106
B. A. MAHER & R. M. TAYLOR
doi:10.1038/340106d0
References | PDF (141K)
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| | Book Reviews | |
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| | The accidental talent 107
Efraim Packer reviews For the Love of Enzymes: The Odyssey of a Biochemist
By
Arthur Kornberg
doi:10.1038/340107a0
PDF (287K)
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| | On form 108
S. J. Perkins & S. A. Baldwin reviews Protein Structure: A Practical Approach
Edited by
T. E. Creighton
doi:10.1038/340108a0
PDF (153K)
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| | Progress on the margin 109
R. A. Scrutton reviews Early Tertiary Volcanism and the Opening of the NE Atlantic
Edited by
A. C. Morton & L. M. Parson
doi:10.1038/340109a0
PDF (160K)
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| | Hole process 109
Richard A. F. Grieve reviews Impact Cratering: A Geologic Process
By
H. J. Melosh.
doi:10.1038/340109b0
PDF (160K)
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| | In the film business 110
Andrew Holmes-Siedle reviews The Si–Si02 System
Edited by
Pieter Balk, C. Robert Helms & Bruce E. Deal
doi:10.1038/340110a0
PDF (144K)
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| | Off target 110
Tony Davies reviews Antibody-Mediated Delivery Systems
Edited by
John D. Rodwell
doi:10.1038/340110b0
PDF (144K)
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| | Review Article | |
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| | Hipparcos: astrometry from space 111
M. A. C. Perryman
doi:10.1038/340111a0
Abstract & References | PDF (637K)
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| | Articles |  |
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| | Stratospheric clouds and ozone depletion in the Arctic during January 1989 117
D. J. Hofmann, T. L. Deshler, P. Aimedieu, W. A. Matthews, P. V. Johnston, Y. Kondo, W. R. Sheldon, G. J. Byrne & J. R. Benbrook
doi:10.1038/340117a0
Abstract & References | PDF (521K)
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| | Mapping the transition state and pathway of protein folding by protein engineering 122
Andreas Matouschek, James T. Kellis Jr, Luis Serrano & Alan R. Fersht
doi:10.1038/340122a0
Abstract & References | PDF (548K)
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| | Letters | |
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| | Nucleosynthesis, neutrino bursts and  -rays from coalescing neutron stars 126
David Eichler, Mario Livio, Tsvi Piran & David N. Schramm
doi:10.1038/340126a0
First paragraph & References | PDF (394K)
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| | Observation of interfacial atomic steps during silicon oxidation 128
J. M. Gibson & M. Y. Lanzerotti
doi:10.1038/340128a0
First paragraph & References | PDF (556K)
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| | Non-steady-state biological removal of atmospheric particles from Mediterranean surface waters 131
P. Buat-Ménard, J. Davies, E. Remoudaki, J. C. Miquel, G. Bergametti, C. E. Lambert, U. Ezat, C. Quetel, J. La Rosa & S. W. Fowler
doi:10.1038/340131a0
First paragraph & References | PDF (486K)
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| | Grain-boundary graphite in rocks and implications for high electrical conductivity in the lower crust 134
B. Ronald Frost, William S. Fyfe, Kazue Tazaki & Tammy Chan
doi:10.1038/340134a0
First paragraph & References | PDF (393K)
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| | Imaging of deep fluids in Archaean crust 136
R. C. Bailey, J. A. Craven, J. C. Macnae & B. D. Polzer
doi:10.1038/340136a0
First paragraph & References | PDF (375K)
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| | Exceptionally well preserved pterosaur wing membrane from the Cretaceous of Brazil 138
David M. Martill & David M. Unwin
doi:10.1038/340138a0
First paragraph & References | PDF (406K)
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| | Retinoic acid causes an anteroposterior transformation in the developing central nervous system 140
A. J. Durston, J. P. M. Timmermans, W. J. Hage, H. F. J. Hendriks, N. J. de Vries, M. Heideveld & P. D. Nieuwkoop
doi:10.1038/340140a0
First paragraph & References | PDF (668K)
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| | A new anatomy of the prestalk zone in Dictyostelium
144
K. A. Jermyn, K. T. I. Duffy & J. G. Williams
doi:10.1038/340144a0
First paragraph & References | PDF (418K)
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| | Acetylcholine analogue stimulates DNA synthesis in brain-derived cells via specific muscarinic receptor subtypes 146
Avi Ashkenazi, J. Ramachandran & Daniel J. Capon
doi:10.1038/340146a0
First paragraph & References | PDF (674K)
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| | Effect on eye development of dominant mutations in Drosophila homologue of the EGF receptor 150
Nicholas E. Baker & Gerald M. Rubin
doi:10.1038/340150a0
First paragraph & References | PDF (632K)
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| | Neurotransmitter inhibition of neuronal calcium currents by changes in channel voltage dependence 153
Bruce P. Bean
doi:10.1038/340153a0
First paragraph & References | PDF (446K)
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| | Increased viral pathogenicity after insertion of a 28S ribosomal RNA sequence into the haemagglutinin gene of an influenza virus 156
Detlev Khatchikian, Michaela Orlich & Rudolf Rott
doi:10.1038/340156a0
First paragraph & References | PDF (255K)
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| | Cytolytic T-lymphocyte response to isolated class I H–2 proteins and influenza peptides 157
Kevin P. Kane, Antonella Vitiello, Linda A. Sherman & Matthew F. Mescher
doi:10.1038/340157a0
First paragraph & References | PDF (365K)
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| | Direct evidence that growth cones pull 159
Philip Lamoureux, Robert E. Buxbaum & Steven R. Heidemann
doi:10.1038/340159a0
First paragraph & References | PDF (406K)
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| | COUP transcription factor is a member of the steroid receptor superfamily 163
Lee-Ho Wang, Sophia Y. Tsai, Richard G. Cook, Wanda G. Beattie, Ming-Jer Tsai & Bert W. O'Malley
doi:10.1038/340163a0
First paragraph & References | PDF (485K)
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| | Product Reviews | |
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| | Stable cell membrane labelling 167
Binding fluorescent or radioactive reporter molecules to the lipid bilayer of cell membranes allows cell growth and trafficking to be monitored in vivo.
P. K. Horan & S. E. Slezak
doi:10.1038/340167a0
References | PDF (266K)
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| | What's in a label 168
A chemiluminescent detection kit for Western blots, 125l-labelled proteins A and G, and DAB enzyme in tablet form are just a few of this week's products for labelling applications.
Cary Prince
doi:10.1038/340168a0
PDF (478K)
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