| | Opinion |  |
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| | Iraqis must not use gas again 551
The welcome ending of the war between Iran and Iraq should not blind governments elsewhere to Iraq's use of poison gas — and to the need that it should not be allowed to happen again.
doi:10.1038/334551a0
PDF (143K)
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| | Nuclear togetherness 551
Distinctions in the United States between civil and military nuclear power may soon be blurred.
doi:10.1038/334551b0
PDF (289K)
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| | Nuclear muddle plan 552
The UK government should delay the sale of its electricity monopoly until its mind is clearer.
doi:10.1038/334552a0
PDF (161K)
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| | News | |
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| | US looking for short cuts to speed drug approval 553
Carol Ezzell
doi:10.1038/334553a0
PDF (154K)
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| | Seal epidemic still spreading 553
Christine McGourty
doi:10.1038/334553b0
PDF (154K)
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| | Is Stanford's false economy on collider costing dear? 554
Marcia Barinaga
doi:10.1038/334554a0
PDF (152K)
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| | Another chance to reorganize India's science planning 554
K. S. Jayaraman
doi:10.1038/334554b0
PDF (152K)
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| | Call for scientific bric-á-brac 554
Christine McGourty
doi:10.1038/334554c0
PDF (152K)
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| | Japanese plans for international seismometer network shape up 555
David Swinbanks
doi:10.1038/334555a0
PDF (155K)
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| | Space station surprise 555
Alun Anderson
doi:10.1038/334555b0
PDF (155K)
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| | Venereal disease spinoff 555
Steven Dickman
doi:10.1038/334555c0
PDF (155K)
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| | Shuttle success at last 555
David Lindley
doi:10.1038/334555d0
PDF (155K)
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| | Forward march 555
Steven Dickman
doi:10.1038/334555e0
PDF (155K)
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| | French research and development gets the boost it was promised 556
Peter Coles
doi:10.1038/334556a0
PDF (151K)
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| | South Africa keeps them guessing 556
Michael Cherry
doi:10.1038/334556b0
PDF (151K)
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| | Towards caring not curing 556
Christine McGourty
doi:10.1038/334556c0
PDF (151K)
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| | Tests for new AIDS treatment begin in three clinics 557
Carol Ezzell
doi:10.1038/334557a0
PDF (144K)
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| | Doubts over long-term space flight after cosmonaut s death 557
Vera Rich
doi:10.1038/334557b0
PDF (144K)
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| | Nuclear waste may go to East 557
Steven Dickman
doi:10.1038/334557c0
PDF (144K)
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| | DoEs management of US nuclear reactors still not satisfactory 558
Joseph Palca
doi:10.1038/334558a0
PDF (153K)
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| | Universities a forgotten resource 558
Joseph Palca
doi:10.1038/334558b0
PDF (153K)
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| | Correspondence | |
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| | Evidence of non-reproducibility 559
JEANCLARE SEAGRAVE
doi:10.1038/334559a0
References | PDF (146K)
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| | Evidence of non-reproducibility 559
SERGIO BONINI, EMILIO ADRIANI & FRANCESCO BALSANO
doi:10.1038/334559b0
References | PDF (146K)
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| | Evidence of non-reproducibility 559
KEITH SNELL
doi:10.1038/334559c0
PDF (146K)
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| | Regulating IVF 559
DITTTA BARTELS
doi:10.1038/334559d0
PDF (273K)
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| | German angle 560
KENNETH W. M. COCHRAN
doi:10.1038/334560a0
PDF (142K)
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| | Moratorium call 560
RUDI BALLING, KAMAL CHOWDHURY, URBAN DEUTSCH, SUSANNE DIETRICH, UWE DRESCHER, ULF HENSELING, BIRGIT JOSTES, GUNNAR-INGI KRISTJANSSON, TINE DE MAEYER, ANDREAS PÜSCHEL, HANS SCHÖLER, DARIA SIEKHAUS, FRANZ THEURING, CLAUDIA WALTHER & ANDREAS ZIMMER
doi:10.1038/334560b0
PDF (142K)
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| | Conservation plan 560
R. G. H. COTTON
doi:10.1038/334560c0
PDF (142K)
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| | New OSHA standards 560
AKIO KONOSHIMA
doi:10.1038/334560d0
PDF (142K)
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| | Ozone layer 560
EUGENE LEEB
doi:10.1038/334560e0
PDF (142K)
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| | Cover blown 560
ARTHUR M. LESK & VICTOR I. LESK
doi:10.1038/334560f0
PDF (142K)
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| | News and Views |  |
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| | Statistical mechanics by numbers 561
Molecular dynamics is proving a useful technique well away from the applications for which it was originally devised. A guiding principle is to make a virute of simplicity.
John Maddox
doi:10.1038/334561a0
PDF (153K)
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| | New polymers in old honeycombs 562
Alan L. Mackay
doi:10.1038/334562a0
PDF (276K)
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| | More time means more variation 563
John H. Lawton
doi:10.1038/334563a0
References | PDF (141K)
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| | Hydrothermal vents too hot? 564
Gerald Joyce
doi:10.1038/334564a0
References | PDF (137K)
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| | Climate forcing by warm seas 565
Michael Davey
doi:10.1038/334565a0
References | PDF (307K)
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| | Bringing up baby 566
Michael J. Benton
doi:10.1038/334566a0
References | PDF (157K)
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| | Controlling mRNA lifespan 567
Tim Hunt
doi:10.1038/334567a0
References | PDF (293K)
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| | 100 years ago 567
ARGYLL
doi:10.1038/334567b0
PDF (157K)
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| | A liquid of fractional charges 568
Gerhard Fasol
doi:10.1038/334568a0
References | PDF (277K)
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| | Reflected glory of active nuclei 569
Martin Ward
doi:10.1038/334569a0
PDF (275K)
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| | A lesson from nature 570
David Jones
doi:10.1038/334570a0
PDF (149K)
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| | Scientific Correspondence | |
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| | Acidification of Norwegian lakes 571
EDWARD C. KRUG
doi:10.1038/334571a0
References | PDF (143K)
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| | Sequence-based phylogeny in eukaryotic genomes 571
J. FILIPSKI
doi:10.1038/334571b0
References | PDF (309K)
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| | Scanning optical microscopy of low-contrast samples 572
C. J. R. SHEPPARD, D. K. HAMILTON & H. J. MATTHEWS
doi:10.1038/334572a0
References | PDF (181K)
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| | Book Reviews |  |
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| | From eugenics to genocide 573
Benno Müller-Hill reviews Racial Hygiene: Medicine under the Nazis
By
Robert N. Proctor & Sheila Faith Weiss
doi:10.1038/334573a0
PDF (329K)
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| | Information on propagation 574
Barry J. Everitt & Martin H. Johnson reviews The Physiology of Reproduction, Vols 1 & 2
Editors-in-chief
Ernst Knobil & Jimmy D. Neill
doi:10.1038/334574a0
PDF (188K)
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| | Rock of ages 575
Euan G. Nisbet reviews Science and Earth History: The Evolution/ Creation Controversy
By
Arthur N. Strahler
doi:10.1038/334575a0
PDF (221K)
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| | Worshipping material things 575
doi:10.1038/334575b0
PDF (221K)
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| | The importance of relaxation 576
Myron Lecar reviews Dynamical Evolution of Globular Clusters
By
Lyman Spitzer. Jr.
doi:10.1038/334576a0
PDF (151K)
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| | Getting results 576
F. W. Bullock reviews How Experiments End.
By
Peter Galison
doi:10.1038/334576b0
PDF (151K)
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| | Articles |  |
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| | Junction effect interactions in methanol synthesis catalysts 577
J. C. Frost
doi:10.1038/334577a0
Abstract & References | PDF (439K)
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| | Autoregulated instability of  -tubulin mRNAs by recognition of the nascent amino terminus of tubulin 580
Tim J. Yen, Paula S. Machlin & Don W. Cleveland
doi:10.1038/334580a0
Abstract & References | PDF (1,088K)
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| | Simple RNA enzymes with new and highly specific endoribonuclease activities 585
Jim Haseloff & Wayne L. Gerlach
doi:10.1038/334585a0
Abstract & References | PDF (997K)
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| | Letters | |
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| | A blue, polarized continuum source near radio galaxy PKS2152−69 591
S. di Serego Alighieri, L. Binette, T. J.-L. Courvoisier, R. A. E. Fosbury & C. N. Tadhunter
doi:10.1038/334591a0
First paragraph & References | PDF (578K)
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| | Measurements of atmospheric BrOx radicals in the tropical and mid-latitude atmosphere 593
O. N. Singh, R. Borchers, P. Fabian, S. Lal & B. H. Subbaraya
doi:10.1038/334593a0
First paragraph & References | PDF (562K)
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| | Structure determination of the new high-temperature superconductor Y2Ba4Cu7O14+x
596
P. Bordet, C. Chaillout, J. Chenavas, J. L. Hodeau, M. Marezio, J. Karpinski & E. Kaldis
doi:10.1038/334596a0
First paragraph & References | PDF (507K)
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| | Periodic area-minimizing surfaces in block copolymers 598
Edwin L. Thomas, David M. Anderson, Chris S. Henkee & David Hoffman
doi:10.1038/334598a0
First paragraph & References | PDF (713K)
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| | Glacio-eustatic sea-level control on Red Sea salinity 601
Robert C. Thunell, Sharon M. Locke & Douglas F. Williams
doi:10.1038/334601a0
First paragraph & References | PDF (570K)
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| | Estimation of heat and chemical fluxes from a seafloor hydrothermal vent field using radon measurements 604
N. D. Rosenberg, J. E. Lupton, D. Kadko, R. Collier, M. D. Lilley & H. Pak
doi:10.1038/334604a0
First paragraph & References | PDF (586K)
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| | Normal potassium, inherited argon in Zaire cubic diamonds 607
F. A. Podosek, J. Pier, O. Nitoh, S. Zashu & M. Ozima
doi:10.1038/334607a0
First paragraph & References | PDF (659K)
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| | Submarine hot springs and the origin of life 609
Stanley L. Miller & Jeffrey L. Bada
doi:10.1038/334609a0
First paragraph & References | PDF (626K)
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| | A novel level of interactions in plant−insect systems 611
David Ng
doi:10.1038/334611a0
First paragraph & References | PDF (544K)
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| | The variability of population densities 613
Stuart L. Pimm & Andrew Redfearn
doi:10.1038/334613a0
First paragraph & References | PDF (217K)
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| | Inhibin in central neural pathways involved in the control of oxytocin secretion 615
P. E. Sawchenko, P. M. Plotsky, S. W. Pfeiffer, E. T. Cunningham Jr, J. Vaughan, J. Rivier & W. Vale
doi:10.1038/334615a0
First paragraph & References | PDF (574K)
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| | Protein kinase C mediates neural induction in Xenopus laevis
618
A. P. Otte, C. H. Koster, G. T. Snoek & A. J. Durston
doi:10.1038/334618a0
First paragraph & References | PDF (596K)
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| | Deletion of self-reactive thymocytes occurs at a CD4+8+ precursor stage 620
B. J. Fowlkes, R. H. Schwartz & D. M. Pardoll
doi:10.1038/334620a0
First paragraph & References | PDF (705K)
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| |
In vivo competition between self peptides and foreign antigens in T-cell activation 623
Luciano Adorini, Simone Muller, Francis Cardinaux, Paul V. Lehmann, Fiorenza Falcioni & Zoltan A. Nagy
doi:10.1038/334623a0
First paragraph & References | PDF (532K)
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| | Dissociation of phosphoinositide hydrolysis and Ca2+ fluxes from the biological responses of a T-cell hybridoma 625
Jeffrey J. Sussman, Mladen Mercép, Takashi Saito, Ronald N. Germain, Ezio Bonvini & Jonathan D. Ashwell
doi:10.1038/334625a0
First paragraph & References | PDF (689K)
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| | Induction of proto-oncogene JUN/AP-1 by serum and TPA 629
William W. Lamph, Penny Wamsley, Paolo Sassone-Corsi & Inder M. Verma
doi:10.1038/334629a0
First paragraph & References | PDF (516K)
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| | Yeast activators stimulate plant gene expression 631
Jun Ma, Elisabeth Przibilla, Jim Hu, Lawrence Bogorad & Mark Ptashne
doi:10.1038/334631a0
First paragraph & References | PDF (456K)
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| | Long-range molecular order as an efficient strategy for light harvesting in photosynthesis 633
Zoya G. Fetisova, Arvi M. Freiberg & Kiu E. Timpmann
doi:10.1038/334633a0
First paragraph & References | PDF (245K)
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| | Product Reviews | |
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| | Automated chromosome analysis 635
J.P. Zeidler
doi:10.1038/334635a0
Abstract & References | PDF (151K)
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| | World genetics conference in Toronto 636
Carol Ezzell
doi:10.1038/334636a0
PDF (183K)
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