| | Opinion |  |
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| | Towards the patenting of animals 293
The decision in the United States that engineered strains of animals are covered by patent law has begun a debate among European patents-watchers that must lead to an amendment of European law.
doi:10.1038/336293a0
PDF (138K)
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| | University nannies 293
The British government must decide whether its autonomous universities should be autonomous.
doi:10.1038/336293b0
PDF (275K)
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| | Uncensored Nature
294
A canard that Nature has withheld information about fallout from Chernobyl is untrue.
doi:10.1038/336294a0
PDF (153K)
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| | News | |
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| | US congressman attacks NIH investigation 295
Alun Anderson & Joseph Palca
doi:10.1038/336295a0
PDF (141K)
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| | Universities' heads accuse governments
of interfering 295
Christine McGourty
doi:10.1038/336295b0
PDF (141K)
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| | Radiotelescope in state of collapse 296
Alun Anderson
doi:10.1038/336296a0
PDF (229K)
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| | Expansion squeezed 296
Marcia Barinaga
doi:10.1038/336296b0
PDF (229K)
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| | Celltech maturation 296
Peter Newmark
doi:10.1038/336296c0
PDF (229K)
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| | Cautious delight at Baikonur as Soviet shuttle touches down 297
Mikhail Chernyshov
doi:10.1038/336297a0
PDF (162K)
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| | Rival shuttle judged a success in the West 297
Alun Anderson
doi:10.1038/336297b0
PDF (162K)
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| | Soviet Union to supply nuclear reactors to India 298
K. S. Jayaraman
doi:10.1038/336298a0
PDF (148K)
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| | Harvard University attacked over ties with industry 298
Seth Shulman
doi:10.1038/336298b0
PDF (148K)
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| | UK government refuses to budge after Lords' attack on space policy 299
Christine McGourty
doi:10.1038/336299a0
PDF (149K)
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| | Salk president retires 299
Marcia Barinaga
doi:10.1038/336299b0
PDF (149K)
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| | Sakharov and Teller meet at last in Washington 299
Joseph Palca
doi:10.1038/336299c0
PDF (149K)
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| | Oncomouse released 300
Alun Anderson
doi:10.1038/336300a0
PDF (150K)
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| | Boston nets BASF 300
Steven Dickman
doi:10.1038/336300b0
PDF (150K)
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| | Prospects for agreement on genetic resource issues 300
Joseph Palca
doi:10.1038/336300c0
PDF (150K)
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| | Greater awareness of security in aftermath of computer worm 301
Seth Shulman & Joseph Palca
doi:10.1038/336301a0
PDF (151K)
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| | Mathematics and molecular biology 301
Marcia Barinaga
doi:10.1038/336301b0
PDF (151K)
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| | Correspondence | |
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| | Mt Graham Observatory 302
PETER A. STRITTMATTER
doi:10.1038/336302a0
PDF (147K)
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| | Reductionism 302
MYLES W. JACKSON
doi:10.1038/336302b0
References | PDF (147K)
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| | Science fellowships 302
SACHI. SRI KANTHA
doi:10.1038/336302c0
PDF (147K)
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| | News and Views |  |
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| | New physics from new accelerators 303
Even before the foundations of the Superconducting Super Collider (SSC) have been laid in Texas, people are brooding about the next generation of particle accelerators.
John Maddox
doi:10.1038/336303a0
PDF (141K)
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| | Getting nearer the mark 304
Brigid Hogan & Karen Lyons
doi:10.1038/336304a0
References | PDF (252K)
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| | Back to the future 305
John L. Friedman
doi:10.1038/336305a0
PDF (263K)
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| | A simple measure of complexity 306
Rolf Landauer
doi:10.1038/336306a0
References | PDF (265K)
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| | Express train to Polynesia 307
Jared M. Diamond
doi:10.1038/336307a0
PDF (241K)
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| | A relaxing factor in the brain 308
Charles F. Stevens
doi:10.1038/336308a0
References | PDF (270K)
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| | Not too close for comfort 309
Claude R. Canizares
doi:10.1038/336309a0
References | PDF (302K)
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| | NMR images of microscopic flow 310
Paul C. Lauterbur
doi:10.1038/336310a0
References | PDF (153K)
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| | C. V. Raman on acoustics 310
J. M. Bowsher
doi:10.1038/336310b0
PDF (153K)
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| | Hypercalcaemia of malignancy 311
Murray C. Meikle
doi:10.1038/336311a0
References | PDF (138K)
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| | Atmospheric oscillations on Mars 312
Michael Allison
doi:10.1038/336312a0
References | PDF (293K)
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| | Blow, blow thou winter wind 313
Peter D. Moore
doi:10.1038/336313a0
References | PDF (167K)
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| | Magnetite sans microbes 314
Subir K. Banerjee
doi:10.1038/336314a0
References | PDF (159K)
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| | Scale model 314
David Jones
doi:10.1038/336314b0
PDF (159K)
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| | Scientific Correspondence | |
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| | Understanding the origins of AIDS viruses 315
PAUL M. SHARP & WEN-HSIUNG Li
doi:10.1038/336315a0
References | PDF (145K)
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| | How to make models for behaviour of clouds 315
MICHAEL E. SCHLESINGER
doi:10.1038/336315b0
References | PDF (275K)
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| | Unusual segregation of cystic fibrosis alleles 316
A. KITZIS
doi:10.1038/336316a0
References | PDF (146K)
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| | Insect eating in Japan 316
SACHI SRI KANTHA
doi:10.1038/336316b0
PDF (283K)
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| | Latex gloves off in virus porosity dispute 317
JOSEPH HUPPERT & GEORGE MATHE
doi:10.1038/336317a0
PDF (152K)
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| | Latex gloves off in virus porosity dispute 317
A. G. DALGLEISH & MIREK MALKOVSKY
doi:10.1038/336317b0
PDF (152K)
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| | Latex gloves off in virus porosity dispute 317
T. D. PENDLE & A. J. COBBOLD
doi:10.1038/336317c0
References | PDF (152K)
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| | Magnetic reversal rate and global sea level trends 317
M. R. RAMPINO
doi:10.1038/336317d0
References | PDF (152K)
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| | Accuracy of Buffon's 200-year-old experimental data 318
FERNANDO ZOCCHI
doi:10.1038/336318a0
References | PDF (110K)
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| | Book Reviews |  |
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| | Twilight of the pencil? 319
William H. Press reviews Mathematica
By
Stephen Wolfram
doi:10.1038/336319a0
PDF (291K)
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| | Moving story 320
Roger Lemon reviews The Neural and Behavioural Organization of Goal-Directed Movements
By
Marc Jeannerod
doi:10.1038/336320a0
PDF (151K)
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| | Muller's period piece 321
Antoni Hoffman reviews Nemesis: The Death Star
By
Richard Muller
doi:10.1038/336321a0
PDF (209K)
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| | Light work 321
doi:10.1038/336321b0
PDF (209K)
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| | Something in the air
322
S. A. Penkett reviews Chemistry of the Natural Atmosphere
By
Peter Warneck
doi:10.1038/336322a0
PDF (146K)
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| | Solid solutions
322
Paul W. Williams reviews Geomorphology and Hydrology of Karst Terrains
By
William B. White
doi:10.1038/336322b0
PDF (146K)
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| | Science in Switzerland | |
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| | Investment with an eye to the future 323
Switzerland's prosperity, based on intelligent exploitation of technology and business acumen rather than natural resources, leans heavily on success in research and education.
doi:10.1038/336323a0
PDF (259K)
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| | A well-ordered system 324
John Maddox
doi:10.1038/336324a0
PDF (269K)
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| | Is the butter spread too evenly? 325
John Maddox
doi:10.1038/336325a0
PDF (286K)
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| | Pushing at an open door 326
John Maddox
doi:10.1038/336326a0
PDF (299K)
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| | Still a struggle to keep ahead 327
John Maddox
doi:10.1038/336327a0
PDF (165K)
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| | 327
John Maddox
doi:10.1038/336327b0
PDF (165K)
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| | Progress towards fusion 328
John Maddox
doi:10.1038/336328a0
PDF (306K)
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| | Swiss making waves at CERN 328
Steven Dickman
doi:10.1038/336328b0
PDF (160K)
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| | Power to the reluctant people 329
Steven Dickman
doi:10.1038/336329a0
PDF (162K)
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| | All you ever wanted to know about snow ... 330
Steven Dickman
doi:10.1038/336330a0
PDF (356K)
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| | Science faces a struggle for popularity after Schweizerhalle 331
Steven Dickman
doi:10.1038/336331a0
PDF (157K)
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| | Cosmopolitan route to excellence 332
Steven Dickman
doi:10.1038/336332a0
PDF (180K)
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| | Academic living 333
John Maddox
doi:10.1038/336333a0
PDF (156K)
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| | University education for all? 333
Steven Dickman
doi:10.1038/336333b0
PDF (156K)
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| | A victim of local tensions 333
Steven Dickman
doi:10.1038/336333c0
PDF (309K)
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| | Still room for the individual 334
Steven Dickman
doi:10.1038/336334a0
PDF (169K)
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| | A paradise on the Rhine. 335
Steven Dickman
doi:10.1038/336335a0
PDF (157K)
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| | Tennis, anyone? 335
Steven Dickman
doi:10.1038/336335b0
PDF (157K)
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| | Latecomer exudes practicality 336
John Maddox
doi:10.1038/336336a0
PDF (278K)
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| | Council for the Federal Polytechnics 336
John Maddox
doi:10.1038/336336b0
PDF (148K)
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| | Plans for rejuvenation 337
Steven Dickman
doi:10.1038/336337a0
PDF (145K)
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| | Room for further improvement 337
Steven Dickman
doi:10.1038/336337b0
PDF (311K)
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| | Living in a material world 338
Steven Dickman
doi:10.1038/336338a0
PDF (181K)
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| | Synergy of chemists and biologists 339
Steven Dickman
doi:10.1038/336339a0
PDF (187K)
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| | Biotechnology now to the fore 339
Steven Dickman
doi:10.1038/336339b0
PDF (187K)
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| | Cold comfort on Jungfraujoch 340
Steven Dickman
doi:10.1038/336340a0
PDF (147K)
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| | Review Article | |
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| | Magnetism of spiral galaxies 341
Alexander Ruzmaikin, Dmitry Sokoloff & Anvar Shukurov
doi:10.1038/336341a0
Abstract & References | PDF (815K)
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| | Articles |  |
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| | Disruption of the proto-oncogene int-2 in mouse embryo-derived stem cells: a general strategy for targeting mutations to non-selectable genes 348
Suzanne L. Mansour, Kirk R. Thomas & Mario R. Capecchi
doi:10.1038/336348a0
Abstract & References | PDF (553K)
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| | Interaction at a distance between  repressers disrupts gene activation 353
A. Hochschild & M. Ptashne
doi:10.1038/336353a0
Abstract & References | PDF (714K)
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| | Letters | |
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| | Detection of statistical gravitational lensing by foreground mass distributions 358
Rachel L. Webster, Paul C. Hewett, Margaret E. Harding & Gary A. Wegner
doi:10.1038/336358a0
First paragraph & References | PDF (273K)
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| | Structure of Venus's atmosphere from modelling of night-side infrared spectra 360
Lucas W. Kamp, Fredric W. Taylor & Simon B. Calcutt
doi:10.1038/336360a0
First paragraph & References | PDF (334K)
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| | Light emission from colliding ice particles 362
W. D. Keith & C. P. R. Saunders
doi:10.1038/336362a0
First paragraph & References | PDF (348K)
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| | Amorphous oxide precipitates in silicon single crystals 364
S. Messoloras, J. R. Schneider, R. J. Stewart & W. Zulehner
doi:10.1038/336364a0
First paragraph & References | PDF (299K)
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| | Calorimetric evidence for the micro-quasicrystalline structure of 'amorphous' Al/transition metal alloys 366
L. C. Chen & F. Spaepen
doi:10.1038/336366a0
First paragraph & References | PDF (311K)
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| | Formation of ultrafine-grained magnetite in soils 368
Barbara A. Maher & Reginald M. Taylor
doi:10.1038/336368a0
First paragraph & References | PDF (415K)
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| | Geochemical evidence for plume—mantle interactions beneath Kerguelen and Heard Islands, Indian Ocean 371
M. Storey, A. D. Saunders, J. Tarney, P. Leat, M. F. Thirlwall, R. N. Thompson, M. A. Menzies & G. F. Marriner
doi:10.1038/336371a0
First paragraph & References | PDF (421K)
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| | Familial predisposition to Wilms' tumour does not map to the short arm of chromosome 11 374
Paul Grundy, Alex Koufos, Kenneth Morgan, Frederick P. Li, Anna T. Meadows & Webster K. Cavenee
doi:10.1038/336374a0
First paragraph & References | PDF (363K)
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| | Lack of linkage of familial Wilms' tumour to chromosomal band 11 p13 377
Vicki Huff, Duane A. Compton, Lian-Yu Chao, Louise C. Strong, Clementina F. Geiser & Grady F. Saunders
doi:10.1038/336377a0
First paragraph & References | PDF (236K)
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| | Temporal integration by a slowly inactivating K+ current in hippocampal neurons 379
Johan F. Storm
doi:10.1038/336379a0
First paragraph & References | PDF (292K)
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| | Noradrenaline contracts arteries by activating voltage-dependent calcium channels 382
Mark T. Nelson, Nicholas B. Standen, Joseph E. Brayden & Jennings F. Worley III
doi:10.1038/336382a0
First paragraph & References | PDF (423K)
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| | Endothelium-derived relaxing factor release on activation of NMDA receptors suggests role as intercellular messenger in the brain 385
John Garthwaite, Sarah L. Charles & Russell Chess-Williams
doi:10.1038/336385a0
First paragraph & References | PDF (524K)
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| | Deletion of self-reactive T cells before entry into the thymus medulla 388
Hans Hengartner, Bernhard Odermat, Reto Schneider, Magali Schreyer, Gaby Wälle, H. Robson MacDonald & Rolf M. Zinkernagel
doi:10.1038/336388a0
First paragraph & References | PDF (428K)
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| | Fibrils from brains of cows with new cattle disease contain scrapie-associated protein 390
James Hope, Laura J. D. Reekie, Nora Hunter, Gerd Multhaup, Konrad Beyreuther, Heather White, Anthony C. Scott, Michael J. Stack, Michael Dawson & Gerald A. H. Wells
doi:10.1038/336390a0
First paragraph & References | PDF (424K)
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| | DNA transformation leads to pilin antigenic variation in Neisseria gonorrhoeae
392
H. Steven Seifert, Richard S. Ajioka, Christian Marchal, P. Frederick Sparling & Magdalene So
doi:10.1038/336392a0
First paragraph & References | PDF (505K)
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| | Removal of poly(A) and consequent degradation of c-fos mRNA facilitated by 3' AU-rich sequences 396
Tim Wilson & Richard Treisman
doi:10.1038/336396a0
First paragraph & References | PDF (513K)
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| | Circulation of water within wheat grain revealed by nuclear magnetic resonance micro-imaging 399
C. F. Jenner, Y. Xia, C. D. Eccles & P. T. Callaghan
doi:10.1038/336399a0
First paragraph & References | PDF (521K)
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| | Structure and assembly of protocatechuate 3,4-dioxygenase 403
D. H. Ohlendorf, J. D. Lipscomb & P. C. Weber
doi:10.1038/336403a0
First paragraph & References | PDF (450K)
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| | Guide to authors | |
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| | Guide for authors 406
doi:10.1038/336406a0
PDF (145K)
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| | Product Review | |
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| | Scientific exports from Switzerland 407
As an accompaniment to this week's feature on Science in Switzerland, some of the best and most innovative Swiss products are outlined below, from snake venoms to an industrial ball mill.
Carol Ezzell
doi:10.1038/336407a0
PDF (730K)
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