| | Opinion |  |
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| | Where next on arms control? 283
After the US election six weeks from now, the United States may resemble the Soviet Union in wishing to reduce arms spending for economic reasons. Where should it put its energies?
doi:10.1038/335283a0
PDF (265K)
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| | Record-breakers vanish 284
This year's Olympics will probably see few records broken. Why not improve the supply?
doi:10.1038/335284a0
PDF (142K)
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| | Genome monitoring 284
The organization to monitor the human genome project should be welcomed.
doi:10.1038/335284b0
PDF (142K)
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| | News | |
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| | SLAC calls time out on Stanford linear collider 285
Marcia Barinaga
doi:10.1038/335285a0
PDF (139K)
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| | US embarks on radon testing 285
Alun Anderson
doi:10.1038/335285b0
PDF (139K)
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| | Human genome organization is launched with a flourish 286
Joseph Palca
doi:10.1038/335286a0
PDF (135K)
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| | Forty-year project endangered by NERC's regrouping 286
Christine McGourty
doi:10.1038/335286b0
PDF (135K)
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| | Japanese fellowships go begging despite $2,000-a-month pay 287
David Swinbanks
doi:10.1038/335287a0
PDF (135K)
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| | One-week wait 287
David Lindley
doi:10.1038/335287b0
PDF (135K)
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| | Ozone flyer 287
Jürgen Neffe
doi:10.1038/335287c0
PDF (135K)
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| | Two satellites up 287
doi:10.1038/335287d0
PDF (135K)
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| | Academy postpones 287
doi:10.1038/335287e0
PDF (135K)
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| | Edinburgh Festival II 287
Christine McGourty
doi:10.1038/335287f0
PDF (135K)
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| | Gorbachev rails at Siberian science and "asset strippers" 288
Vera Rich
doi:10.1038/335288a0
PDF (129K)
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| | Congress puts hot waste plans on ice 288
Alun Anderson
doi:10.1038/335288b0
PDF (129K)
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| | Student influx hits German universities 288
Steven Dickman
doi:10.1038/335288c0
PDF (129K)
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| | US 'hands-off' forest policy challenged by Yellowstone fire 289
Seth Shulman
doi:10.1038/335289a0
PDF (148K)
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| | Defence money for superconductors 289
David Lindley
doi:10.1038/335289b0
PDF (148K)
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| | Concern mounting over French government action on AIDS 290
Peter Coles
doi:10.1038/335290a0
PDF (132K)
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| | Report cites unemployment as major health risk in Britain 290
Christine McGourty
doi:10.1038/335290b0
PDF (132K)
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| | Soviets put on impressive show 291
Mary Manning & Alun Anderson
doi:10.1038/335291a0
PDF (128K)
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| | Harvard starts own marketing venture at "arms length" 291
Seth Shulman
doi:10.1038/335291b0
PDF (128K)
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| | Fetal tissue panel labours to beat a presidential ban 291
Joseph Palca
doi:10.1038/335291c0
PDF (128K)
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| | Correspondence | |
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| | Orthodoxy and homoeopathy 292
JAMES A. SCOTT
doi:10.1038/335292a0
PDF (129K)
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| | Orthodoxy and homoeopathy 292
MARK A. GILLMAN
doi:10.1038/335292b0
PDF (129K)
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| | Orthodoxy and homoeopathy 292
PETER FISHER
doi:10.1038/335292c0
PDF (129K)
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| | Orthodoxy and homoeopathy 292
M. J. CLEMENS
doi:10.1038/335292d0
PDF (129K)
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| | From other letters 292
ALEXANDER M. GRIMWADE
doi:10.1038/335292e0
PDF (129K)
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| | From other letters 292
SCOTT FINDLAY
doi:10.1038/335292f0
PDF (129K)
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| | From other letters 292
WAYNEB. JONAS
doi:10.1038/335292g0
PDF (129K)
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| | News and Views |  |
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| | New particles from old data 293
A search for an explanation of positrons in heavy-ion collisions has led to firm evidence of light neutral particles and an explanation of a forgotten anomaly in the lifetime of the  ° meson.
John Maddox
doi:10.1038/335293a0
PDF (132K)
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| | No code for recognition 294
Brian W. Matthews
doi:10.1038/335294a0
References | PDF (246K)
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| | The origin of carbonatites 295
J. Gittins
doi:10.1038/335295a0
References | PDF (294K)
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| | Modulating a neuronal network 296
Eve Marder
doi:10.1038/335296a0
References | PDF (290K)
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| | 100 years ago 296
doi:10.1038/335296b0
PDF (163K)
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| | Seeking non-exponential decay 298
P. T. Greenland
doi:10.1038/335298a0
References | PDF (134K)
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| | Adding grist to the mill 299
Paul G. Bahn
doi:10.1038/335299a0
References | PDF (271K)
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| | Luis Walter Alvarez (1911−1988) 300
W. Peter Trower
doi:10.1038/335300a0
PDF (133K)
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| | Separating receptor subtypes from their shadows 301
Eric A. Barnard
doi:10.1038/335301a0
References | PDF (272K)
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| | Cleaning up the papers 302
David Jones
doi:10.1038/335302a0
PDF (143K)
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| | Scientific Correspondence | |
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| | Similarity of endothelin to snake venom toxin 303
C. Y. LEE & VINCENT A. CHIAPPINELLI
doi:10.1038/335303a0
References | PDF (132K)
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| | Similarity of endothelin to snake venom toxin 303
CHIKAHISA TAKASAKI, MASASHI YANAGISAWA, SADAO KIMURA, KATSUTOSHI GOTO & TOMOH MASAKI
doi:10.1038/335303b0
References | PDF (132K)
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| | Negative or positive cloud optical depth feedback? 303
MICHAEL E. SCHLESINGER
doi:10.1038/335303c0
References | PDF (255K)
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| | Negative or positive cloud optical depth feedback? 304
ERICH ROECKNER
doi:10.1038/335304a0
References | PDF (125K)
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| | Contribution of organic acids to lake acidity 305
DAVID F. BRAKKE, ARNE HENRIKSEN & STEPHEN A. NORTON
doi:10.1038/335305a0
References | PDF (137K)
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| | Two chimps for HIV 305
JAN DESMYTER
doi:10.1038/335305b0
PDF (137K)
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| | Radiation hazards in space put in perspective 305
R. J. M. FRY & J. T. LETT
doi:10.1038/335305c0
References | PDF (275K)
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| | Radiation hazards in space put in perspective 306
JOHN R. LETAW, REIN SILBERBERG & C. G. TSAO
doi:10.1038/335306a0
References | PDF (140K)
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| | Malapropism? 306
RALPH A. LEWIN
doi:10.1038/335306b0
PDF (140K)
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| | Book Reviews |  |
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| | The armchair balloonist 307
Gordon L. Herries Davies reviews Theories of the Earth and Universe: A History of Dogma in the Earth Sciences
By
S. Warren Carey
doi:10.1038/335307a0
PDF (130K)
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| | Heterodox precedent 307
doi:10.1038/335307b0
PDF (130K)
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| | To the heart of an ancient empire 308
Arthur A. Demarest reviews The Great Temple of the Aztecs: Treasures of Tenochtitlan
By
Eduardo Matos Moctezuma & Doris Heyden
doi:10.1038/335308a0
PDF (123K)
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| | New order for the apiary 309
John B. Free reviews Biogeography and Taxonomy of Honeybees
By
Friedrich Ruttner
doi:10.1038/335309a0
PDF (132K)
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| | Mountains of facts 309
Keith Bell reviews McGraw-Hill Encyclopedia of the Geological Sciences, 2nd edn
Editor-in-chief
Sybil P. Parker
doi:10.1038/335309b0
PDF (132K)
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| | Programs for quicker relationships 310
Norman I. Platnick reviews Hennig86, 1.5
By
J.S. Farris & D.L. Swofford
doi:10.1038/335310a0
PDF (138K)
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| | Review Article | |
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| | The functional logic of cortical connections 311
S. Zeki & S. Shipp
doi:10.1038/335311a0
Abstract & References | PDF (1,047K)
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| | Articles |  |
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| | Controls of the structure of subducted slabs 317
Michael Gurnis & Bradford H. Hager
doi:10.1038/335317a0
Abstract & References | PDF (771K)
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| | Crystal structure of trp represser/operator complex at atomic resolution 321
Z. Otwinowski, R. W. Schevitz, R.-G. Zhang, C. L. Lawson, A. Joachimiak, R. Q. Marmorstein, B. F. Luisi & P. B. Sigler
doi:10.1038/335321a0
Abstract & References | PDF (1,293K)
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| | Letters | |
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| | Rapid infrared and optical variability in the bright quasar 3C273 330
Thierry J.-L. Courvoisier, E. Ian Robson, Andre Blecha, Patrice Bouchet, David H. Hughes, Kevin Krisciunas & Hugo E. Schwarz
doi:10.1038/335330a0
First paragraph & References | PDF (430K)
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| | Future CFC concentrations under the Montreal Protocol and their greenhouse-effect implications 333
T. M. L. Wigley
doi:10.1038/335333a0
First paragraph & References | PDF (365K)
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| | Simultaneous observations of ammonia in the atmosphere and ocean 336
Patricia K. Quinn, Robert J. Charlson & Timothy S. Bates
doi:10.1038/335336a0
First paragraph & References | PDF (464K)
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| | Origin of technetium-99 and its use as a marine tracer 338
A. Aarkrog, L. Carlsson, Q. J. Chen, H. Dahlgaard, E. Holm, L. Huynh-Ngoc, L. H. Jensen, S. P. Nielsen & H. Nies
doi:10.1038/335338a0
First paragraph & References | PDF (449K)
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| | Seismological and structural evolution of strike-slip faults 340
Steven G. Wesnousky
doi:10.1038/335340a0
First paragraph & References | PDF (564K)
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| | An experimental determination of primary carbonatite magma composition 343
Margaret E. Wallace & David H. Green
doi:10.1038/335343a0
First paragraph & References | PDF (495K)
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| | Winter storm effects on the spawning and larval drift of a pelagic fish 346
David M. Checkley Jr, Sethu Raman, Gary L. Maillet & Katherine M. Mason
doi:10.1038/335346a0
First paragraph & References | PDF (454K)
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| | Direct use of high molecular weight polysaccharide by heterotrophic flagellates 348
Evelyn B. Sherr
doi:10.1038/335348a0
First paragraph & References | PDF (608K)
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| | Evolution of a bacteria/plasmid association 351
Judith E. Bouma & Richard E. Lenski
doi:10.1038/335351a0
First paragraph & References | PDF (241K)
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| | Migration of young neurons in adult avian brain 353
Arturo Alvarez-Buylla & Fernando Nottebohm
doi:10.1038/335353a0
First paragraph & References | PDF (244K)
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| | Selective coupling with K+ currents of muscarinic acetylcholine receptor subtypes in NG108-15 cells 355
Kazuhiko Fukuda, Haruhiro Higashida, Tai Kubo, Akito Maeda, Isamu Akiba, Hideaki Bujo, Masayoshi Mishina & Shosaku Numa
doi:10.1038/335355a0
First paragraph & References | PDF (512K)
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| | The genomic clone G-21 which resembles a  -adrenergic receptor sequence encodes the 5-HT1A receptor 358
Annick Fargin, John R. Raymond, Martin J. Lohse, Brian K. Kobilka, Marc G. Caron & Robert J. Lefkowitz
doi:10.1038/335358a0
First paragraph & References | PDF (449K)
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| | Membrane potential has no direct role in evoking neurotransmitter release 360
Robert S. Zucker & Philip G. Haydon
doi:10.1038/335360a0
First paragraph & References | PDF (493K)
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| | Substitution of murine for human CD4 residues identifies amino acids critical for HIV-gp120 binding 363
Linda K. Clayton, Rebecca E. Hussey, Ruth Steinbrich, Hema Ramachandran, Yasmin Husain & Ellis L. Reinherz
doi:10.1038/335363a0
First paragraph & References | PDF (555K)
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| | Infection of rabbits with human immunodeficiency virus 366
Gaetano Filice, Paolo M. Cereda & Oliviero E. Varnier
doi:10.1038/335366a0
First paragraph & References | PDF (529K)
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| | Selective killing of HIV-infected cells by recombinant human CD4-Pseudomonas exotoxin hybrid protein 369
Vijay K. Chaudhary, Tamio Mizukami, Thomas R. Fuerst, David J. FitzGerald, Bernard Moss, Ira Pastan & Edward A. Berger
doi:10.1038/335369a0
First paragraph & References | PDF (551K)
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| | Activation in vitro of sequence-specific DNA binding by a human regulatory factor 372
Jeffrey S. Larson, Thomas J. Schuetz & Robert E. Kingston
doi:10.1038/335372a0
First paragraph & References | PDF (493K)
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| | High resolution structure of the RNA duplex [U(U-A)6A]2
375
A. C. Dock-Bregeon, B. Chevrier, A. Podjarny, D. Moras, J. S. deBear, G. R. Gough, P. T. Gilham & J. E. Johnson
doi:10.1038/335375a0
First paragraph & References | PDF (631K)
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| | Product Reviews | |
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| | Chromatography of carbohydrates 379
The coupling of high-performance anion-exchange chromatography with pulsed amperometric detection provides a much needed analytical tool for the analysis of the carbohydrates of glycoconjugates.
R.R. Townsend, M. Hardy, J.D. Olechno & S.R. Carter
doi:10.1038/335379a0
References | PDF (252K)
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| | Chemists in L.A. 380
Thousands of chemists will flock to Los Angeles, California next week for the annual meeting of the American Chemical Society. Over 250 companies will be exhibiting their products; selections from their booths are described below.
Carol Ezzell
doi:10.1038/335380a0
PDF (538K)
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