| | Opinion |  |
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| | The case for an interim test-ban 461
Against next year's review conference of the Non-Proliferation Treaty, the nuclear powers need something tangible to offer their critics. An interim fixed-term comprehensive test-ban is the best opportunity.
doi:10.1038/371461a0
PDF (110K)
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| | Conflicts of interest 461
Academic institutions must be more zealous in policing arrangements between employees and industry.
doi:10.1038/371461b0
PDF (235K)
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| | Universities for export 462
A plan to build a British university in Thailand deserves the ridicule it will attract.
doi:10.1038/371462a0
PDF (127K)
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| | News | |
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| | HGS seeks exclusive option on all patents using its cDNA sequences 463
David Dickson
doi:10.1038/371463a0
PDF (152K)
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| | Japan turns to US for help in launching gene therapy 464
David Swinbanks
doi:10.1038/371464a0
PDF (255K)
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| | Committees split over opening up proceedings 464
doi:10.1038/371464b0
PDF (255K)
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| | UK charity cuts research funds 464
doi:10.1038/371464c0
PDF (255K)
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| | Congressional gridlock sinks US science bills 465
Colin Macilwain
doi:10.1038/371465a0
PDF (132K)
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| | Biological survey still left in limbo 465
Tony Reichhardt
doi:10.1038/371465b0
PDF (132K)
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| | German parties compete for scientists' vote 466
Alison Abbott
doi:10.1038/371466a0
PDF (139K)
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| | Israel set to join EC Framework programme 466
doi:10.1038/371466b0
PDF (139K)
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| | Discord over IPCC meeting reopens climate dispute 467
David Dickson
doi:10.1038/371467a0
PDF (151K)
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| | Anti-plague efforts hindered by lack of recent experience 467
K. S. Jayaraman
doi:10.1038/371467b0
PDF (151K)
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| | California law will prohibit genetic discrimination 468
Sally Lehrman
doi:10.1038/371468a0
PDF (134K)
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| | US urged to apply cancer research 468
Colin Macilwain
doi:10.1038/371468b0
PDF (134K)
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| | Gene advisory group switches focus to ethical issues 468
Helen Gavaghan
doi:10.1038/371468c0
PDF (134K)
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| | Europe opens new era in synchrotron research 469
Declan Butler
doi:10.1038/371469a0
PDF (396K)
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| | ESRF as 'a model of collaboration' 469
Declan Butler
doi:10.1038/371469b0
PDF (396K)
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| | Correspondence | |
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| | Preservation of rice strains 470
M. Jackson
doi:10.1038/371470a0
PDF (117K)
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| | Combating AIDS 470
N. E. Whitehead
doi:10.1038/371470b0
References | PDF (117K)
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| | Not predisposed 470
Jean-Pierre Herveg
doi:10.1038/371470c0
PDF (117K)
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| | Alas, poor Yorick 470
J. R. Smythies
doi:10.1038/371470d0
References | PDF (117K)
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| | TV's disservice to science 470
Rodney W. King
doi:10.1038/371470e0
PDF (117K)
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| | News and Views |  |
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| | Brazil's best university seeks fame 471
The University of São Paulo believes it should be making a more prominent mark on the world outside Brazil, but the difficulties of doing so from within a still-developing country are greater and less tangible than may be thought.
John Maddox
doi:10.1038/371471a0
PDF (137K)
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| | Arctic chill for C02 uptake 472
Christopher B. Field
doi:10.1038/371472a0
References | PDF (269K)
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| | When it pays not to see 473
Michael J. Morgan
doi:10.1038/371473a0
References | PDF (130K)
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| | Drawing a double-edged sword 474
Harvey R. Colten
doi:10.1038/371474a0
References | PDF (307K)
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| | Cold comfort in Chicago 474
doi:10.1038/371474b0
PDF (164K)
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| | Polymers scale new heights 475
W. E. Moerner
doi:10.1038/371475a0
References | PDF (542K)
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| | The photorefractive effect 476
doi:10.1038/371476a0
PDF (144K)
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| | How to make the gradient 477
J. M. W. Slack
doi:10.1038/371477a0
References | PDF (288K)
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| | Karl Popper (1902-1994) 478
Hermann Bondi
doi:10.1038/371478a0
PDF (125K)
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| | Night thoughts, dark sight 479
Charles H. Bennett
doi:10.1038/371479a0
PDF (294K)
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| | Maritime slime 480
David Jones
doi:10.1038/371480a0
PDF (147K)
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| | Scientific Correspondence | |
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| | Is sea level rising or falling? 481
V. Gornitz , C. Rosenzweig & D. Hillel
doi:10.1038/371481a0
References | PDF (159K)
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| | Eco-friendlycups? 481
Alexander H. Harcourt & Martin B. Hocking
doi:10.1038/371481b0
References | PDF (277K)
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| | Avalanche survival chances 482
Martin Burtscher
doi:10.1038/371482a0
References | PDF (119K)
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| | Book Reviews |  |
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| | Net profit or net loss? 483
J. H. S. Blaxter reviews Scaling Fisheries: The Science of Measuring the Effects of Fishing, 1855-1955
By
Tim D. Smith, Peter Weber & Daniel Pauly
doi:10.1038/371483a0
PDF (127K)
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| | Mining the seams of our Solar System 484
Joseph A. Burns reviews Resources of Near-Earth Space
Edited by
J. Lewis, M. S. Matthews & M. L.
doi:10.1038/371484a0
PDF (153K)
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| | 484
doi:10.1038/371484b0
PDF (153K)
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| | A woman on the verge 485
Julia Neuberger reviews I am Roe: My Life, Roe v. Wade, and Freedom of Choice
By
Norma McCorvey & Andy Meister
doi:10.1038/371485a0
PDF (131K)
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| | Physics in transition 485
Brian Pippard reviews Order, Chaos, Order
By
Philip Stehle
doi:10.1038/371485b0
PDF (265K)
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| | Protocols and conventions 486
Andrew Jordan reviews The Greening of Machiavelli: The Evolution of International Environmental Politics
By
Tony Brenton
doi:10.1038/371486a0
PDF (133K)
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| | Article |  |
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| | Activin signalling and response to a morphogen gradient 487
J. B. Gurdon, P. Harger, A. Mitchell & P. Lemaire
doi:10.1038/371487a0
Abstract & References | PDF (1,040K)
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| | Letters | |
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| | An upper limit on the density of low-mass stars in the Galactic halo 493
E. M. Hu, J.-S. Huang, G. Gilmore & L. L. Cowie
doi:10.1038/371493a0
First paragraph & References | PDF (446K)
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| | A loop-top hard X-ray source
in a compact solar
flare as evidence
for magnetic reconnection 495
S. Masuda, T. Kosugi, H. Hara, S. Tsuneta & Y. Ogawara
doi:10.1038/371495a0
First paragraph & References | PDF (496K)
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| | A photorefractive polymer with high optical gain and diffraction efficiency near 100% 497
K. Meerholz, B. L. Volodin, Sandalphon, B. Kippelen & N. Peyghambarian
doi:10.1038/371497a0
First paragraph & References | PDF (558K)
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| | Transient nature of CO2 fertilization in Arctic tundra 500
Walter C. Oechel, Sid Cowles, Nancy Grulke, Steven J. Hastings, Bill Lawrence, Tom Prudhomme, George Riechers, Boyd Strain, David Tissue & George Vourlitis
doi:10.1038/371500a0
First paragraph & References | PDF (640K)
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| | Climate variations in Europe over the past 140 kyr deduced from rock magnetism 503
Nicolas Thouveny, Jacques-Louis de Beaulieu, Eugène Bonifay, Ken M. Creer, Joel Guiot, Michel Icole, Sigfus Johnsen, Jean Jouzel, Maurice Reille, Trevor Williams & David Williamson
doi:10.1038/371503a0
First paragraph & References | PDF (499K)
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| | Constraints on the melting temperature of the lower mantle from high-pressure experiments on MgO and magnesioüstite 506
A. Zerr & R. Boehler
doi:10.1038/371506a0
First paragraph & References | PDF (500K)
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| | Variation in the TNF- promoter region associated with susceptibility to cerebral malaria 508
William McGuire, Adrian V. S. Hill, Catherine E. M. Allsopp , Brian M. Greenwood & Dominic Kwiatkowski
doi:10.1038/371508a0
First paragraph & References | PDF (603K)
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| | Selective suppression of the magnocellular visual pathway during saccadic eye movements 511
David C. Burr, M. Concetta Morrone & John Ross
doi:10.1038/371511a0
First paragraph & References | PDF (447K)
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| | Calcium dependence of the rate of exocytosis in a synaptic terminal 513
Ruth Heidelberger, Christian Heinemann, Erwin Neher & Gary Matthews
doi:10.1038/371513a0
First paragraph & References | PDF (440K)
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| | A new class of ligand-gated ion channel defined by P2X receptor for extracellular ATP 516
Soledad Valera, Nicolas Hussy, Richard J. Evans, Nadia Adami, R. Alan North, Annmarie Surprenant & Gary Buell
doi:10.1038/371516a0
First paragraph & References | PDF (565K)
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| | New structural motif for ligand-gated ion channels defined by an ionotropic ATP receptor 519
Anthony J. Brake, Michael J. Wagenbach & David Julius
doi:10.1038/371519a0
First paragraph & References | PDF (950K)
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| | Yeast TAF
IIS in a multisubunit
complex required
for activated transcription 523
Joseph C. Reese, Lynne Apone, Scott S. Walker, Loree A. Griffin & Michael R. Green
doi:10.1038/371523a0
First paragraph & References | PDF (801K)
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| | Regulation of retinoid signalling by receptor polarity and allosteric control of ligand binding 528
Riki Kurokawa, James DiRenzo, Marcus Boehm, Jeffrey Sugarman, Berndt Gloss, Michael G. Rosenfeld, Richard A. Heyman & Christopher K. Glass
doi:10.1038/371528a0
First paragraph & References | PDF (629K)
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| | Holliday junction cleavage by yeast Rad1 protein 531
Yvette Habraken, Patrick Sung, Louise Prakash & Satya Prakash
doi:10.1038/371531a0
First paragraph & References | PDF (754K)
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| | Differential effects by the
p21 CDK inhibitor on
PCNA-dependent
DNA replication and repair 534
Rong Li, Shou Waga, Gregory J. Hannon, David Beach & Bruce Stillman
doi:10.1038/371534a0
First paragraph & References | PDF (518K)
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| | Erratum | |
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| | Mice with targeted disruptions in the paralogous genes hoxa-3 and hoxd-3 reveal synergistic interactions 537
Brian G. Condie & Mario R. Capecchi
doi:10.1038/371537a0
PDF (127K)
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| | Structural biology | |
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| | One in the eye 538
A double insight into visual accommodation by the eye lens in birds and into the activity of a superfamily of metabolic enzymes is provided by the structure of turkey lens Scrystallin.
Guy Riddihough
doi:10.1038/371538a0
References | PDF (172K)
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| | Product Review | |
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| | New lines in labware 539
For the lab — a nitric oxide analyser, a ratio imaging microscope system for the life sciences, a device for producing digital images from slides, hyphenated systems and a selection of detectors.
Diane Gershon
doi:10.1038/371539a0
PDF (667K)
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