| | Opinion |  |
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| | What will emerge from Tokyo? 1
The economic summit meeting that opens in Tokyo on 4 May could be a chance to put the West's affairs in better order. But the precedents are discouraging.
doi:10.1038/321001a0
PDF (250K)
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| | What's in a name? 2
The latest name for the AIDS virus is in trouble before the christening is over.
doi:10.1038/321002a0
PDF (135K)
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| | Cloud over Chernobyl 2
The first Soviet nuclear accident to be made public may bring unlikely comrades together.
doi:10.1038/321002b0
PDF (135K)
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| | News | |
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| | Virus nomenelature: Controversy over AIDS virus extends to name 3
Joseph Palca
doi:10.1038/321003a0
PDF (129K)
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| | British astronomy: Observatory move stirs passions 4
John Maddox
doi:10.1038/321004a0
PDF (165K)
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| | SDI in japan: Growing interest in joint venture 5
Alun Anderson
doi:10.1038/321005a0
PDF (137K)
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| | Animal protection: Critics assail West German law 5
Jürgen Neffe
doi:10.1038/321005b0
PDF (137K)
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| | Japanese education: Further iteration towards reform 6
Alun Anderson
doi:10.1038/321006a0
PDF (138K)
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| | Soviet science: Lenin prizes return to basics 6
Vera Rich
doi:10.1038/321006b0
PDF (138K)
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| | Biology at Berkeley: New order prompts fund-raising 7
Tim Beardsley
doi:10.1038/321007a0
PDF (134K)
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| | Engineered vaccines: Instant approval 7
Joseph Palca
doi:10.1038/321007b0
PDF (134K)
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| | Britain squeezed 7
Robert Walgate
doi:10.1038/321007c0
PDF (134K)
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| | French budget cut: Chirac takes knife to fatted calf 8
Robert Walgate
doi:10.1038/321008a0
PDF (134K)
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| | Military research: Campus protests at nuclear tests 8
Tim Beardsley
doi:10.1038/321008b0
PDF (134K)
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| | Lawrence Berkeley laboratory: SDI brings back old problem 9
Tim Beardsley
doi:10.1038/321009a0
PDF (145K)
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| | UK flood channel 9
doi:10.1038/321009b0
PDF (145K)
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| | Correspondence | |
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| | What to call the AIDS virus? 10
doi:10.1038/321010a0
PDF (134K)
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| | Disposal of British civil plutonium 10
R. V. HESKETH
doi:10.1038/321010b0
PDF (134K)
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| | News and Views |  |
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| | Is there inanimate memory? 11
It is too easy to forget that pre-Victorian physics ascribed memory to lumps of iron. Now this still surprising phenomenon has a mathematical basis to call its own.
John Maddox
doi:10.1038/321011a0
PDF (131K)
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| | Molecular genetics: Understanding colour vision 12
J.D. Mollon
doi:10.1038/321012a0
References | PDF (128K)
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| | Taxonomy: Taxonomic tangles from Australia 13
Tony Thulborn
doi:10.1038/321013a0
PDF (270K)
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| | Ocean Drilling program: Mid-Atlantic bare-rock drilling and hydrothermal vents 14
Leg 106 shipboard scientific party
doi:10.1038/321014a0
PDF (273K)
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| | Adrenergic receptors: Some similarities and surprises 15
Peter Newmark
doi:10.1038/321015a0
PDF (140K)
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| | Astrophysics: The most reliable black hole yet 16
M.G. Watson
doi:10.1038/321016a0
PDF (141K)
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| | 100 years ago 16
SEIKEI SEKIYA
doi:10.1038/321016b0
PDF (141K)
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| | Mathematics: Hermann Grassmann was right 17
Ian Stewart
doi:10.1038/321017a0
PDF (275K)
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| | Cell biology: Origins of the cytoskeleton 18
Carl M. Cohen
doi:10.1038/321018a0
References | PDF (110K)
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| | News And Views 'Picture Story' 18
doi:10.1038/321018b0
PDF (110K)
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| | Information technology: New flow of ideas in networks 19
Alistair Mees
doi:10.1038/321019a0
PDF (274K)
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| | Molecular biology: Self-incompatibility in plants 20
John Fincham
doi:10.1038/321020a0
PDF (138K)
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| | Scientific Correspondence | |
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| | Keeping supercomputers under control 21
JOHN H. CUSHMAN & FRANK J. WOBBER
doi:10.1038/321021a0
PDF (139K)
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| | The real hazards of nuclear fallout 21
JOSEPH B. KNOX & CHARLES S. SHAPIRO
doi:10.1038/321021b0
References | PDF (275K)
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| | Book Reviews |  |
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| | Group selection revisited 23
Eric Charnov reviews Evolution Through Group Selection.
By
V.C. Wynne-Edwards
doi:10.1038/321023a0
PDF (265K)
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| | Coming in to the cold 25
Daniel Branton reviews Low Temperature Methods in Biological Electron Microscopy.
By
A.W. Robards & U.B. Sleytr
doi:10.1038/321025a0
PDF (137K)
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| | Graded grains 25
Peter D. Moore reviews Numerical Methods in Quaternary Pollen Analysis.
By
H.J.B. Birks, A.D. Gordon, Vaughn M. Bryant Jr & Richard G. Holloway
doi:10.1038/321025b0
PDF (267K)
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| | Done with a will 26
Richard Passingham reviews The Brain Machine: The Development of Neurophysiological Thought.
By
Marc Jeannerod & David Urion
doi:10.1038/321026a0
PDF (133K)
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| | Review Article | |
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| | The mean mass density of the Universe 27
P. J. E. Peebles
doi:10.1038/321027a0
Abstract & References | PDF (774K)
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| | Articles |  |
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| | Black smokers, massive sulphides and vent biota at the Mid-Atlantic Ridge 33
P. A. Rona, G. Klinkhammer, T. A. Nelsen, J. H. Trefry & H. Elderfield
doi:10.1038/321033a0
Abstract & References | PDF (621K)
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| | Cloning of cDNA for a stylar glycoprotein associated with expression of self-incompatibility in Nicotiana alata
38
M. A. Anderson, E. C. Cornish, S.-L. Mau, E. G. Williams, R. Hoggart, A. Atkinson, I. Bonig, B. Grego, R. Simpson, P. J. Roche, J. D. Haley, J. D. Penschow, H. D. Niall, G. W. Tregear, J. P. Coghlan, R. J. Crawford & A. E. Clarke
doi:10.1038/321038a0
Abstract & References | PDF (876K)
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| | Letters | |
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| | 'Missing image' in gravitational lens systems? 45
D. Narasimha, K. Subramanian & S. M. Chitre
doi:10.1038/321045a0
First paragraph & References | PDF (226K)
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| | Resolution of Crab nebula filaments into chains of quasistellar knots 46
Sidney van den Bergh & Christopher J. Pritchet
doi:10.1038/321046a0
First paragraph & References | PDF (564K)
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| | A flare-induced cascade model of  -ray bursts 47
P. A. Sturrock
doi:10.1038/321047a0
First paragraph & References | PDF (689K)
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| | Tidal reorientation and the fracturing of Jupiter's moon Europa 49
Alfred S. McEwen
doi:10.1038/321049a0
First paragraph & References | PDF (503K)
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| | Ionic structure in aqueous electrolyte solution by the difference method of X-ray diffraction 52
N. T. Skipper, S. Cummings, G. W. Neilson & J. E. Enderby
doi:10.1038/321052a0
First paragraph & References | PDF (210K)
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| | Constant-geometry edge-flaking of brittle materials 53
E. A. Almond & N. J. McCormick
doi:10.1038/321053a0
First paragraph & References | PDF (324K)
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| | Inferred oxygen isotope profile of Archaean oceanic crust, Onverwacht Group, South Africa 55
S. E. Hoffman, M. Wilson & D. S. Stakes
doi:10.1038/321055a0
First paragraph & References | PDF (464K)
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| | Input of excess CO2 to the surface ocean based on 13C/12C ratios in a banded Jamaican sclerosponge 58
Ellen R. M. Druffel & Livia M. Benavides
doi:10.1038/321058a0
First paragraph & References | PDF (647K)
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| | Molecular evidence for a terrestrial component of organic matter dissolved in ocean water 61
Kathleen J. Meyers-Schulte & John I. Hedges
doi:10.1038/321061a0
First paragraph & References | PDF (392K)
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| | Fluorescently labelled Na+ channels are localized and immobilized to synapses of innervated muscle fibres 63
Kimon J. Angelides
doi:10.1038/321063a0
First paragraph & References | PDF (503K)
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| | Single cyclic GMP-activated channel activity in excised patches of rod outer segment membrane 66
L. W. Haynes, A. R. Kay & K.-W. Yau
doi:10.1038/321066a0
First paragraph & References | PDF (549K)
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| | Cyclic GMP-sensitive conductance of retinal rods consists of aqueous pores 70
A. L. Zimmerman & D. A. Baylor
doi:10.1038/321070a0
First paragraph & References | PDF (420K)
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| | Neural control of the forms of acetylcholinesterase in slow mammalian muscles 72
Josephine Lai, Jolanta Jedrzejczyk, John A. Pizzey, David Green & Eric A. Barnard
doi:10.1038/321072a0
First paragraph & References | PDF (393K)
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| | Cloning of the gene and cDNA for mammalian  -adrenergic receptor and homology with rhodopsin 75
Richard A. F. Dixon, Brian K. Kobilka, David J. Strader, Jeffrey L. Benovic, Henrik G. Dohlman, Thomas Frielle, Mark A. Bolanowski, Carl D. Bennett, Elaine Rands, Ronald E. Diehl, Richard A. Mumford, Eve E. Slater, Irving S. Sigal, Marc G. Caron, Robert J. Lefkowitz & Catherine D. Strader
doi:10.1038/321075a0
First paragraph & References | PDF (568K)
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In vitro osteoclast generation from different bone marrow fractions, including a highly enriched haematopoietic stem cell population 79
Ben A. A. Scheven, Jan W. M. Visser & Peter J. Nijweide
doi:10.1038/321079a0
First paragraph & References | PDF (349K)
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| | Epidermal growth factor-dependent phosphorylation of lipocortin 81
R. Blake Pepinsky & Lesley K. Sinclair
doi:10.1038/321081a0
First paragraph & References | PDF (504K)
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| | Ha-ras hypervariable alleles in myelodysplasia 84
S. L. Thein, D. G. Oscier, J. Flint & J. S. Wainscoat
doi:10.1038/321084a0
First paragraph & References | PDF (239K)
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| | Spectrin assembly in avian erythroid development is determined by competing reactions of subunit homo- and hetero-oligomerization 85
Catherine M. Woods & Elias Lazarides
doi:10.1038/321085a0
First paragraph & References | PDF (687K)
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| | Template-free RNA synthesis by Q replicase 89
Christof K. Biebricher, Manfred Eigen & Rüdiger Luce
doi:10.1038/321089a0
First paragraph & References | PDF (408K)
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| | Books Received | |
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| | Books Received 92
doi:10.1038/321092a0
PDF (145K)
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| | Product Reviews | |
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| | Computer-assisted model building 93
Developments in computer graphics and distance geometry have provided important tools for comparative model building of protein structures.
W. C. Ripka
doi:10.1038/321093a0
References | PDF (289K)
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| | Chemical design takes to the terminals 94
Software packages for chemists turn ordinary microcomputers into tools for molecular modelling, structural analysis and reaction planning.
doi:10.1038/321094a0
PDF (655K)
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| | Data acquisition by word of mouth
97
doi:10.1038/321097a0
PDF (150K)
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| | Employment | |
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| | Bringing home the technology 98
New technology is now enabling more people to work from home rather than in the traditional workplace.
Richard Pearson
doi:10.1038/321098a0
PDF (130K)
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