| | Opinion |  |
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| | An agenda for the future? 605
Mr Mikhail Gorbachev's speech in New York last week could be the occasion of an historic change in world affairs. But it is also a challenge for his listeners.
doi:10.1038/336605a0
PDF (278K)
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| | Tongues shall not wag 606
British plans for a law on secrecy are an improve-ment, but are still deficient.
doi:10.1038/336606a0
PDF (155K)
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| | Guns out on butter 606
Wealthy manufacturing nations should not also hog the world's trade in agriculture.
doi:10.1038/336606b0
PDF (155K)
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| | News | |
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| | US defence production due for overhaul 607
Joseph Palca
doi:10.1038/336607a0
PDF (139K)
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| | First US patent for superconductors 607
Seth Shulman
doi:10.1038/336607b0
PDF (139K)
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| | Platypus egg find may be revealing 607
Tania Ewing
doi:10.1038/336607c0
PDF (139K)
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| | Armenians face up to scenes of total devastation 608
Vladimir Markov
doi:10.1038/336608a0
PDF (304K)
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| | Armenians face up to scenes of total devastation 609
Vera Rich
doi:10.1038/336609a0
PDF (144K)
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| | Conflicting views on extent of earthquake threat to Tokyo 609
David Swinbanks
doi:10.1038/336609b0
PDF (144K)
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| | Builders look to 'anti-quake' device 609
David Swinbanks
doi:10.1038/336609c0
PDF (144K)
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| | CDE faces verification problems for chemical weapons 610
Peter Newmark
doi:10.1038/336610a0
PDF (161K)
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| | Alvey programme under fire 610
Christine McGourty
doi:10.1038/336610b0
PDF (161K)
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| | Lecturer resigns over MOD funding 610
Christine McGourty
doi:10.1038/336610c0
PDF (161K)
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| | German cabinet promises gene law but problems remain 611
Steven Dickman
doi:10.1038/336611a0
PDF (151K)
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| | Human gene therapy now on the way 611
Carol Ezzell
doi:10.1038/336611b0
PDF (151K)
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| | Atlantis back safely 611
Joseph Palca
doi:10.1038/336611c0
PDF (151K)
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| | US award to France 611
Peter Coles
doi:10.1038/336611d0
PDF (151K)
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| | SERC falls behind 611
Christine McGourty
doi:10.1038/336611e0
PDF (151K)
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| | Australia losing more brains 612
Tania Ewing
doi:10.1038/336612a0
PDF (145K)
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| | NSF providing support to get new centres off the ground 612
Alun Anderson
doi:10.1038/336612b0
PDF (145K)
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| | South African doctor sacked "inexplicably" 612
Michael Cherry
doi:10.1038/336612c0
PDF (145K)
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| | Clean bill of health for Sellafield and Dounreay reactors? 613
Christine McGourty
doi:10.1038/336613a0
PDF (147K)
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| | Laboratory accident kills AIDS mice 613
Carol Ezzell
doi:10.1038/336613b0
PDF (147K)
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| | No change at IAEA? 613
Steven Dickson
doi:10.1038/336613c0
PDF (147K)
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| | Synchrotron city 613
David Swinbanks
doi:10.1038/336613d0
PDF (147K)
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| | Hurd on animals 613
Christine McGourty
doi:10.1038/336613e0
PDF (147K)
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| | Correspondence | |
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| | McBride criticizes inquiry 614
WILLIAM McBRIDE
doi:10.1038/336614a0
PDF (143K)
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| | Divine artefact 614
BRUCE DENNESS
doi:10.1038/336614b0
PDF (143K)
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| | OUP's list 614
KATHERINE JURY
doi:10.1038/336614c0
PDF (143K)
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| | News and Views |  |
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| | More sideshows for solar neutrinos 615
It seems agreed that the numbers of detectable neutrinos emitted by the Sun are smaller than they should be, but people are still vainly searching for an explanation.
John Maddox
doi:10.1038/336615a0
PDF (142K)
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| | Clouds on the giant planets 616
Peter J. Gierasch
doi:10.1038/336616a0
PDF (170K)
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| | Helping with inquiries 617
Henry Gee & Rory Hewlett
doi:10.1038/336617a0
PDF (275K)
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| | Deep roots of solar cycles 618
Douglas Gough
doi:10.1038/336618a0
References | PDF (280K)
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| | Fruitful fruitflies in Crete 620
Michael Ashburner & Peter Lawrence
doi:10.1038/336620a0
PDF (311K)
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| | 100 years ago 621
Edison's perfected phonograph
doi:10.1038/336621a0
PDF (144K)
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| | New aspects of Raman scattering 621
Robin M. Hochstrasser
doi:10.1038/336621b0
References | PDF (282K)
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| | Genes and the tower of Babel 622
Jared M. Diamond
doi:10.1038/336622a0
References | PDF (276K)
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| | rDNA world falling to pieces 623
Gabriel A. Dover
doi:10.1038/336623a0
References | PDF (280K)
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| | Organic-vapour farming 624
David Jones
doi:10.1038/336624a0
PDF (157K)
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| | Scientific Correspondence | |
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| | Earthquakes and urban growth 625
ROGER BILHAM
doi:10.1038/336625a0
References | PDF (246K)
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| | Trial of human malaria vaccine 626
CARLOS A. ESPINAL
doi:10.1038/336626a0
References | PDF (149K)
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| | Trial of human malaria vaccine 626
MOISES WASSERMAN
doi:10.1038/336626b0
References | PDF (149K)
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| | Trial of human malaria vaccine 626
MANUEL ELKIN PATARROYO
doi:10.1038/336626c0
References | PDF (149K)
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| | Whale size quandary 626
DENYS WHEATLEY
doi:10.1038/336626d0
References | PDF (149K)
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| | Book Reviews |  |
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| | A passion or a science? 627
John C. Marshall reviews Understanding Psychotherapy: The Science Behind the Art
By
Michael Franz Basch
doi:10.1038/336627a0
PDF (287K)
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| | Cladistic futures 628
Philip D. Gingerich reviews The Phylogeny and Classification of the Tetrapods. Vol. 1 Amphibians, Reptiles, Birds; Vol. 2 Mammals
By
Michael J. Benton
doi:10.1038/336628a0
PDF (155K)
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| | Of stars and stones 629
Alvar Ellegård reviews Records in Stone: Papers in Memory of Alexander Thom
Edited by
C. L. N. Ruggles
doi:10.1038/336629a0
PDF (175K)
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| | Limiting factors for modellers 630
J. P. Grime reviews Plant Strategies and the Dynamics and Structure of Plant Communities
By
David Tilman
doi:10.1038/336630a0
PDF (151K)
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| | The real thing 630
Murray Stewart reviews Artifacts in Biological Electron Microscopy
Edited by
Richard F. E. Crang & Karen L. Klomparens
doi:10.1038/336630b0
PDF (151K)
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| | Commentary | |
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| | Information value of the rodent bioassay 631
Tests for human carcinogens using lifetime rodent bioassays are expensive, time-consuming and give uncertain results. For most chemicals such tests are not cost-effective.
Lester B. Lave, Fanny K. Ennever, Herbert S. Rosenkranz & Gilbert S. Omenn
doi:10.1038/336631a0
References | PDF (398K)
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| | Articles |  |
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| | Solar oscillation frequencies and the equation of state 634
J. Christensen-Dalsgaard, W. Däppen & Y. Lebreton
doi:10.1038/336634a0
Abstract & References | PDF (567K)
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| | A genetic pathway for the development of the Caenorhabditis elegans HSN motor neurons 638
Chand Desai, Gian Garriga, Steven L. Mclntire & H. Robert Horvitz
doi:10.1038/336638a0
Abstract & References | PDF (1,107K)
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| | The role of the leucine zipper in the fos−jun interaction 646
T. Kouzarides & E. Ziff
doi:10.1038/336646a0
Abstract & References | PDF (690K)
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| | Enhanced protein thermostability from designed mutations that interact with  -helix dipoles 651
H. Nicholson, W. J. Becktel & B. W. Matthews
doi:10.1038/336651a0
Abstract & References | PDF (642K)
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| | Letters | |
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| | A low-temperature companion to a white dwarf star 656
E. E. Becklin & B. Zuckerman
doi:10.1038/336656a0
First paragraph & References | PDF (345K)
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| | A new interpretation of emission-like features in  -ray burst spectra 658
Fulvio Melia
doi:10.1038/336658a0
First paragraph & References | PDF (361K)
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| | Bulk synthesis of the 81-K superconductor YBa2Cu4O8 at high oxygen pressure 660
J. Karpinski, E. Kaldis, E. Jilek, S. Rusiecki & B. Bucher
doi:10.1038/336660a0
First paragraph & References | PDF (331K)
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| | Chemical vortex dynamics in three-dimensional excitable media 662
Wolfgan Jahnke, Chris Henze & Arthur T. Winfree
doi:10.1038/336662a0
First paragraph & References | PDF (543K)
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| | Isotopic and elemental evidence for a relationship between kimberlite and Zaire cubic diamonds 665
T. Akagi & A. Masuda
doi:10.1038/336665a0
First paragraph & References | PDF (309K)
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| | The Dupal anomaly as a trace of the upwelling lower mantle 667
Pat Castillo
doi:10.1038/336667a0
First paragraph & References | PDF (492K)
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| | Theoretical evidence for a new ultra-high-pressure phase of SiO2
670
Key Taeck Park, Kiyoyuki Terakura & Yoshito Matsui
doi:10.1038/336670a0
First paragraph & References | PDF (341K)
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| | Development of neuronal polarity: GAP-43 distinguishes axonal from dendritic growth cones 672
Kimberly Goslin, David J. Schreyer, J. H. Pate Skene & Gary Banker
doi:10.1038/336672a0
First paragraph & References | PDF (458K)
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| | Selective localization of messenger RNA for cytoskeletal protein MAP2 in dendrites 674
Craig C. Garner, Richard P. Tucker & Andrew Matus
doi:10.1038/336674a0
First paragraph & References | PDF (739K)
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| | Functional modulation of the nicotinic acetylcholine receptor by tyrosine phosphorylation 677
Jessica F. Hopfield, David W. Tank, Paul Greengard & Richard L. Huganir
doi:10.1038/336677a0
First paragraph & References | PDF (457K)
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| | The G protein-gated atrial K+ channel is stimulated by three distinct GI-subunits 680
Atsuko Yatani, Rafael Mattera, Juan Codina, Rolf Graf, Kouji Okabe, Elena Padrell, Ravi Iyengar, Arthur M. Brown & Lutz Birnbaumer
doi:10.1038/336680a0
First paragraph & References | PDF (325K)
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| | Conservation of the D-mannose-adhesion protein among type 1 fimbriated members of the family Enterobacteriaceae 682
Soman N. Abraham, Daxi Sun, James B. Dale & Edwin H. Beachey
doi:10.1038/336682a0
First paragraph & References | PDF (413K)
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| | Myeloid leukaemia inhibitory factor maintains the developmental potential of embryonic stem cells 684
R. Lindsay Williams, Douglas J. Hilton, Shirley Pease, Tracy A. Willson, Colin L. Stewart, David P. Gearing, Erwin F. Wagner, Donald Metcalf, Nicos A. Nicola & Nicholas M. Gough
doi:10.1038/336684a0
First paragraph & References | PDF (470K)
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| | Inhibition of pluripotential embryonic stem cell differentiation by purified polypeptides 688
Austin G. Smith, John K. Heath, Deborah D. Donaldson, Gordon G. Wong, J. Moreau, Mark Stahl & David Rogers
doi:10.1038/336688a0
First paragraph & References | PDF (448K)
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| | Leukaemia inhibitory factor is identical to the myeloid growth factor human interleukin for DA cells 690
Jean-Francois Moreau, Debra D. Donaldson, Frances Bennett, JoAnn Witek-Giannotti, Steven C. Clark & Gordon G. Wong
doi:10.1038/336690a0
First paragraph & References | PDF (380K)
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| | Direct interaction between fos and jun nuclear oncoproteins: role of the 'leucine zipper' domain 692
Paolo Sassone-Corsi, Lynn J. Ransone, William W. Lamph & Inder M. Verma
doi:10.1038/336692a0
First paragraph & References | PDF (530K)
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| | Receptors bound to antiprogestin form abortive complexes with hormone responsive elements 695
Anne Guiochon-Mantel, Hugues Loosfelt, Thierry Ragot, Alain Bailly, Michel Atger, Micheline Misrahi, Michel Perricaudet & Edwin Milgrom
doi:10.1038/336695a0
First paragraph & References | PDF (451K)
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| | Erratum | |
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| | Timing measurements of the binary millisecond pulsar in the globular cluster M4 698
J. McKenna & A. G. Lyne
doi:10.1038/336698a0
PDF (97K)
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| | Corrigendum | |
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| | Corrigendum: Temporal integration by a slowly inactivating
K+ current in hippocampal neurons 698
Johan F. Storm
doi:10.1038/336698b0
PDF (97K)
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