| | Opinion |  |
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| | Schools for another century 391
The British government is rightly seeking to improve the quality of school education. It must first win back the confidence of teachers and then act generously.
doi:10.1038/314391a0
PDF (281K)
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| | University business 392
British universities should seize an opportunity for reform.
doi:10.1038/314392a0
PDF (155K)
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| | News | |
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| | US universities: Now even the Texans are short of cash 393
Tim Beardsley
doi:10.1038/314393a0
PDF (140K)
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| | Perils of secrecy 393
Stephen Budiansky
doi:10.1038/314393b0
PDF (140K)
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| | British universities: Better management demanded 394
doi:10.1038/314394a0
PDF (146K)
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| | Japanese whaling: Hollow victory for United States? 394
David D. Swinbanks
doi:10.1038/314394b0
PDF (146K)
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| | Deep-sea drilling: No cut-price membership 395
Tim Beardsley
doi:10.1038/314395a0
PDF (137K)
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| | The sweet smell of success 395
Alun Anderson
doi:10.1038/314395b0
PDF (137K)
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| | Alternative energy: Fuels from the farm 395
Anna Lubinska
doi:10.1038/314395c0
PDF (137K)
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| | Nuclear waste: Dump it here, please 396
Robert Walgate
doi:10.1038/314396a0
PDF (135K)
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| | Maritime museum plan scuttled 396
Vera Rich
doi:10.1038/314396b0
PDF (135K)
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| | Indian science: Gandhi backs research 396
K. S. Jayaraman
doi:10.1038/314396c0
PDF (274K)
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| | UK embryo research: Voluntary authority set up 397
Maxine Clarke
doi:10.1038/314397a0
PDF (144K)
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| | Hazardous chemicals: Congress acts on clean air 397
Stephen Budiansky
doi:10.1038/314397b0
PDF (144K)
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| | Correspondence | |
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| | Population growth 398
S. M. DAVIDSON
doi:10.1038/314398a0
References | PDF (128K)
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| | Viscosity, noses and IQ 398
JOHN HARTUNG
doi:10.1038/314398b0
References | PDF (128K)
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| | News and Views |  |
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| | The importance of impatience 399
Unifying gravity with the other three fundamental forces has been brought a large step nearer. But there is a long way still to go.
John Maddox
doi:10.1038/314399a0
PDF (136K)
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| | Halley's comet: Prospects for Giotto and Halley 400
M. K. Wallis
doi:10.1038/314400a0
PDF (137K)
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| | Chemical evolution: Origin of biomolecular chirality 400
Stephen Mason
doi:10.1038/314400b0
References | PDF (262K)
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| | Cell biology: Baseless flagellation 401
Jeremy S. Hyams
doi:10.1038/314401a0
References | PDF (131K)
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| | Astronomy: Direct estimate of Hubble's constant from the double quasar 402
C. Martin Gaskell
doi:10.1038/314402a0
References | PDF (133K)
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| | Parasitology: Towards schistosomiasis vaccines 402
F. E. G. Cox
doi:10.1038/314402b0
References | PDF (248K)
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| | Palaeontology: Outlines of the distant past 403
Peter Gambles
doi:10.1038/314403a0
PDF (255K)
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| | NItrogen fixation: Differentiating cyanobacteria rearrange their nif genes 404
William D. P. Stewart
doi:10.1038/314404a0
References | PDF (275K)
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| | Scale-invariant phenomena: Viscous fingers and fractal growth 405
L. M. Sander
doi:10.1038/314405a0
References | PDF (296K)
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| | 100 Years Ago 406
doi:10.1038/314406a0
PDF (153K)
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| | Oceanography: Sonar classification of sea beds 406
M. L. Somers
doi:10.1038/314406b0
PDF (153K)
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| | Scientific Correspondence | |
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| | Ramsey's silicate core revisited 407
ORSON L. ANDERSON
doi:10.1038/314407a0
References | PDF (275K)
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| | Review Article |  |
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| | Unification of forces and particles in superstring theories 409
Michael B. Green
doi:10.1038/314409a0
Abstract & References | PDF (736K)
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| | Articles |  |
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| | The shadow world of superstring theories 415
Edward W. Kolb, David Seckel & Michael S. Turner
doi:10.1038/314415a0
Abstract & References | PDF (591K)
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| | Rearrangement of nitrogen fixation genes during heterocyst differentiation in the cyanobacterium Anabaena
419
James W. Golden, Steven J. Robinson & Robert Haselkorn
doi:10.1038/314419a0
Abstract & References | PDF (671K)
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| | Letters | |
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| | Quasar 4C39.25 is not contracting 424
J. M. Marcaide, N. Bartel, M. V. Gorenstein, I. I. Shapiro, B. E. Corey, A. E. E. Rogers, J. C. Webber, T. A. Clark, J. D. Romney & R. A. Preston
doi:10.1038/314424a0
First paragraph & References | PDF (115K)
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| | The radio jet of the quasar 3C273 425
C. Flatters & R. G. Conway
doi:10.1038/314425a0
First paragraph & References | PDF (260K)
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| | Computer classification of sea beds by sonar 426
Z. Reut, N. G. Pace & M. J. P. Heaton
doi:10.1038/314426a0
First paragraph & References | PDF (418K)
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| | Polarity reversal in the Solomon Islands arc 428
Patricia A. Cooper & Brian Taylor
doi:10.1038/314428a0
First paragraph & References | PDF (311K)
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| | A 'northern oscillation' relating northern hemispheric pressure anomalies and the Indian summer monsoon? 430
C. R. V. Raman & J. A. Maliekal
doi:10.1038/314430a0
First paragraph & References | PDF (378K)
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| | Stable isotope data and depositional environments in the late Quaternary Arctic Ocean 433
Rainer Zahn, Berit Markussen & Jørn Thiede
doi:10.1038/314433a0
First paragraph & References | PDF (292K)
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| | Microhabitats of benthic foraminifera within deep-sea sediments 435
Bruce H. Corliss
doi:10.1038/314435a0
First paragraph & References | PDF (521K)
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| | Weak neutral currents and the origin of biomolecular chirality 438
D. K. Kondepudi & G. W. Nelson
doi:10.1038/314438a0
First paragraph & References | PDF (475K)
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| | Presynaptic neurones may contribute a unique glycoprotein to the extracellular matrix at the synapse 441
Pico Caroni, Steven S. Carlson, Erik Schweitzer & Regis B. Kelly
doi:10.1038/314441a0
First paragraph & References | PDF (403K)
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| | Carbon-dioxide-induced exocytotic insertion of H+ pumps in turtle-bladder luminal membrane: role of cell pH and calcium 443
Christopher Cannon, Janet van Adelsberg, Sean Kelly & Qais Al-Awqati
doi:10.1038/314443a0
First paragraph & References | PDF (452K)
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| | The synthesis and in vivo assembly of functional antibodies in yeast 446
Clive R. Wood, Michael A. Boss, John H. Kenten, Jane E. Calvert, Nicola A. Roberts & J. Spencer Emtage
doi:10.1038/314446a0
First paragraph & References | PDF (520K)
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| | Functional modifications of cytotoxic T-lymphocyte T200 glycoprotein recognized by monoclonal antibodies 449
Leo Lefrançois & Michael J. Bevan
doi:10.1038/314449a0
First paragraph & References | PDF (542K)
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| | Construction of chimaeric processed immunoglobulin genes containing mouse variable and human constant region sequences 452
Shun-ichi Takeda, Takayuki Naito, Kazuaki Hama, Takafumi Noma & Tasuku Honjo
doi:10.1038/314452a0
First paragraph & References | PDF (410K)
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| | Thymic epithelium and the induction of transplantation tolerance in nude mice 454
R. K. Jordan, J. H. Robinson, N. A. Hopkinson, K. C. House & A. L. Bentley
doi:10.1038/314454a0
First paragraph & References | PDF (369K)
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| | Activation of major histocompatibility complex class I mRNA containing an Alu-like repeat in polyoma virus-transformed rat cells 457
Barbara Majello, Girolama La Mantia, Antonio Simeone, Edoardo Boncinelli & Luigi Lania
doi:10.1038/314457a0
First paragraph & References | PDF (350K)
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| | Keratinocytes blocked in phorbol ester-responsive early stage of terminal differentiation by sarcoma viruses 459
Stuart H. Yuspa, Anne E. Kilkenny, John Stanley & Ulrike Lichti
doi:10.1038/314459a0
First paragraph & References | PDF (511K)
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| | Cigarette smoke induces DNA single-strand breaks in human cells 462
Tsutomu Nakayama, Motohisa Kaneko, Masahiko Kodama & Chikayoshi Nagata
doi:10.1038/314462a0
First paragraph & References | PDF (346K)
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| | Characterization of cDNA and genomic clones encoding the precursor to rat hypothalamic growth hormone-releasing factor 464
Kelly E. Mayo, Gail M. Cerelli, Michael G. Rosenfeld & Ronald M. Evans
doi:10.1038/314464a0
First paragraph & References | PDF (556K)
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| | Clusters of CpG dinucleotides implicated by nuclease hypersensitivity as control elements of housekeeping genes 467
Stanley F. Wolf & Barbara R. Migeon
doi:10.1038/314467a0
First paragraph & References | PDF (425K)
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| | Diacylglycerol in large  -actinin/actin complexes and in the cytoskeleton of activated platelets 469
Paul Burn, A. Rotman, R. K. Meyer & Max M. Burger
doi:10.1038/314469a0
First paragraph & References | PDF (699K)
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| | Specific interaction between phosphatidylinositol 4,5-bisphosphate and profilactin 472
Ingrid Lassing & Uno Lindberg
doi:10.1038/314472a0
First paragraph & References | PDF (406K)
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| | Erratum | |
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| | Cloning and expression in Escherichia coli of the gene for human tumour necrosis factor 474
T. Shirai, H. Yamaguchi, H. Ito, C. W. Todd & R. B. Wallace
doi:10.1038/314474a0
PDF (132K)
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| | Book Reviews | |
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| | The duplex brain 475
John C. Marshall reviews Cerebral Dominance: The Biological Foundations.
Edited by
Norman Geschwind & Albert M. Galaburda
doi:10.1038/314475a0
PDF (269K)
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| | All keyed up in the laboratory 476
E. G. Richards reviews Computers in Biology: An Introduction.
By
Robert Ransom, Raymond J. Matela, C. R. Ireland, S. P. Long & A. N. Barret
doi:10.1038/314476a0
PDF (143K)
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| | Making good 477
Alan R. Lehmann reviews DNA Repair.
By
Errol C. Friedberg
doi:10.1038/314477a0
PDF (134K)
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| | Master theses 477
A. Rupert Hall reviews The Classics of Science: A Study of Twelve Enduring Scientific Works.
By
Derek Gjertsen
doi:10.1038/314477b0
PDF (134K)
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| | How do enzymes work? 478
M. I. Page reviews The Bioorganic Chemistry of Enzymatic Catalysis.
By
Myron L. Bender, Raymond J. Bergeron & Makoto Komiyama
doi:10.1038/314478a0
PDF (139K)
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| | Viruses in disease 478
Clive Sweet reviews Concepts in Viral Pathogenesis.
Edited by
Abner Louis Notkins, Michael B.A. Oldstone, Cedric A. Mims & David O. White
doi:10.1038/314478b0
PDF (139K)
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| | Books Received | |
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| | Books Received 479
doi:10.1038/314479a0
PDF (299K)
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| | New on the Market | |
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| | Blanket, mask and cream 481
New this month are several items aimed at lab safety−including a fire-fighting blanket, a protective face mask and protective skin cream.
doi:10.1038/314481a0
PDF (491K)
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| | Employment | |
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| | The Cambridge phenomenon 484
As science parks continue to proliferate throughout the United Kingdom, it remains difficult to define the ingredients for success
Richard Pearson
doi:10.1038/314484a0
References | PDF (128K)
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