| | Opinion |  |
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| | Social security for students 797
The dependence of British students on schemes to help the indigent is a sign of sickness in British higher education. The remedy should be radical.
doi:10.1038/321797a0
PDF (263K)
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| | Selling lamb short 798
The British government's decision to ban the sale of some lambs may yet backfire.
doi:10.1038/321798a0
PDF (144K)
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| | News | |
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| | British astronomy: Greenwich Observatory to move to Cambridge 799
Alun Anderson
doi:10.1038/321799a0
PDF (133K)
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| | Monoclonal antibodies: Kidney rejection at bay 799
Karen Wright
doi:10.1038/321799b0
PDF (132K)
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| | US space science: Centaur bites the dust 800
Tim Beardsley
doi:10.1038/321800a0
PDF (137K)
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| | Chinese rockets: Stealing a march on the West 800
Vera Rich
doi:10.1038/321800b0
PDF (137K)
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| | Environment: Strategy for Earth systems 801
Joseph Palca
doi:10.1038/321801a0
PDF (146K)
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| | Turkey turns away Israeli scientists 801
Nechemia Meyers
doi:10.1038/321801b0
PDF (146K)
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| | US defence research: Few second thoughts at MIT 802
Elizabeth Collins
doi:10.1038/321802a0
PDF (139K)
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| | A prize for Tooze from EMBO 802
Alun Anderson
doi:10.1038/321802b0
PDF (139K)
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| | Soviet science: Too many at the top 803
Vera Rich
doi:10.1038/321803a0
PDF (134K)
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| | Telecommunications: Japanese cable competition 803
David Swinbanks
doi:10.1038/321803b0
PDF (134K)
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| | Scientific fraud: New Public Health service policy 804
Tim Beardsley
doi:10.1038/321804a0
PDF (135K)
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| | JET Britons seek to double their pay 804
Robert Walgate
doi:10.1038/321804b0
PDF (267K)
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| | US biological weapons: New test facility defended 805
Joseph Palca
doi:10.1038/321805a0
PDF (133K)
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| | Chernobyl: Eastern bloc reactions 805
Vera Rich
doi:10.1038/321805b0
PDF (133K)
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| | Correspondence | |
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| | Future of lion tamarins 806
JEREMY J. C. MALLINSON
doi:10.1038/321806a0
PDF (133K)
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| | Is this science? 806
STUART EGGINTON
doi:10.1038/321806b0
PDF (133K)
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| | Last word on metric 806
DAVID C. JOLLY
doi:10.1038/321806c0
PDF (133K)
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| | Sex discrimination 806
HOWARD J. COOKE
doi:10.1038/321806d0
PDF (133K)
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| | News and Views |  |
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| | New technology of medicine 807
The transformation of basic medical science has been a surprise to all of us, but especially to physicians.
John Maddox
doi:10.1038/321807a0
PDF (128K)
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| | Taxonomy: A new class of echinoderms 808
David Nichols
doi:10.1038/321808a0
PDF (141K)
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| | Planetary magnetospheres: The double tilt of Uranus 809
Fran Bagenal
doi:10.1038/321809a0
PDF (257K)
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| | Oceanography: Predictability of El Niño 810
S. G. H. Philander
doi:10.1038/321810a0
References | PDF (270K)
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| | 100 years ago 810
W. H. SHRUBSOLE
doi:10.1038/321810b0
PDF (135K)
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| | Acid rain: Predictions and applications 811
Nurtan A. Esmen
doi:10.1038/321811a0
PDF (135K)
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| | Archaean gold: Exploring for magmatic origins 812
Neil Williams
doi:10.1038/321812a0
PDF (128K)
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| | Mathematics: Counting costs of calculation 812
Ian Stewart
doi:10.1038/321812b0
PDF (262K)
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| | Geophysics: Looking for missing xenon 813
Minoru Ozima
doi:10.1038/321813a0
References | PDF (252K)
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| | GTP-binding proteins: One molecular machine can transduce diverse signals 814
Henry R. Bourne
doi:10.1038/321814a0
References | PDF (378K)
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| | Clues to the mechanism of action 815
doi:10.1038/321815a0
PDF (118K)
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| | Scientific Correspondence | |
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| | Agricultural impact of Chernobyl: a warning 817
C. HOHENEMSER, M. DEICHER, H. HOFSÄSS, G. LINDNER, E. RECKNAGEL & J. I. BUDNICK
doi:10.1038/321817a0
References | PDF (105K)
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| | First assessment of Chernobyl radioactive plume over Paris 817
A.J. THOMAS & J.M. MARTIN
doi:10.1038/321817b0
References | PDF (331K)
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| | High level radioactive nuclides in Japan in May 819
M. AOYAMA, K. HIROSE, Y. SUZUKI, H. INOUE & Y. SUGIMURA
doi:10.1038/321819a0
References | PDF (237K)
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| | Monitoring Minsk and Kiev students after Chernobyl 820
B. HOLLIDAY, K.C. BINNS & S.P. STEWART
doi:10.1038/321820a0
References | PDF (258K)
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| | Radiation levels in Eastern Europe 821
G.A.M. WEBB, J.R. SIMMONDS & B.T. WILKINS
doi:10.1038/321821a0
References | PDF (251K)
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| | Book Reviews |  |
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| | Living with nature 823
George Peterken reviews The History of the Countryside: The Full Fascinating Story of Britain's Landscape
By
Oliver Rackham and Countryside Conflicts: The Politics of Farming, Forestry and Conservation
By
Philip Lowe, Graham Cox, Malcolm MacEwan, Tim O'Riordan & Michael Winter
doi:10.1038/321823a0
PDF (245K)
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| | The need to know about lipids 824
Howard Goldfine reviews Biochemistry of Lipids and Membranes.
Edited by
Dennis E. Vance & Jean E. Vance
doi:10.1038/321824a0
PDF (136K)
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| | Dishing the dirt 824
Richard P. Wayne reviews Atmospheric Chemistry and Physics of Air Pollution.
By
John H. Seinfeld
doi:10.1038/321824b0
PDF (291K)
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| | Faith and the ways of science 825
Robert John Russell reviews One World: The Interaction of Science and Theology.
By
John Polkinghorne
doi:10.1038/321825a0
PDF (155K)
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| | Sound of erudition 826
James Cullen reviews Science and Civilisation in China, Vol. 6: Part 1. Biology and Biological Technology: Botany.
By
Joseph Needham
doi:10.1038/321826a0
PDF (116K)
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| | Articles |  |
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| | Experimental forecasts of El Niño 827
Mark A. Cane, Stephen E. Zebiak & Sean C. Dolan
doi:10.1038/321827a0
Abstract & References | PDF (644K)
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| | Secular variation in carbon isotope ratios from Upper Proterozoic successions of Svalbard and East Greenland 832
A. H. Knoll, J. M. Hayes, A. J. Kaufman, K. Swett & I. B. Lambert
doi:10.1038/321832a0
Abstract & References | PDF (723K)
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| | Letters | |
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| | Enhancement of high-energy cosmic-ray spectrum by type-II supernovae 839
Yoshiyuki Takahashi, Shigeki Miyaji, Thomas A. Parnell, Martin C. Weisskopf, Takayoshi Hayashi & Ken'ichi Nomoto
doi:10.1038/321839a0
First paragraph & References | PDF (348K)
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| | Are bipolar jets precessing? 841
Jun Fukue & Takeo Yokoo
doi:10.1038/321841a0
First paragraph & References | PDF (251K)
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| | Measurements of pH versus drop size in natural rain 842
Stephen J. Adams, Stuart G. Bradley, C. David Stow & Stephen J. de Mora
doi:10.1038/321842a0
First paragraph & References | PDF (312K)
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| | Palaeolatitude drift history of displaced terranes in southern and Baja California 844
Lisa Kaplan Morris, Steve P. Lund & David J. Bottjer
doi:10.1038/321844a0
First paragraph & References | PDF (489K)
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| | Domain observations of titanomagnetites from room temperature to Curie point and the nature of thermoremanent magnetism in fine particles 847
M. Metcalf & M. Fuller
doi:10.1038/321847a0
First paragraph & References | PDF (329K)
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| | Magnetotactic bacteria and single-domain magnetite in hemipelagic sediments 849
John F. Stolz, Shih-Bin R. Chang & Joseph L. Kirschvink
doi:10.1038/321849a0
First paragraph & References | PDF (405K)
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| | Carbon isotope evidence for a magmatic origin for Archaean gold-quartz vein ore deposits 851
D. R. Burrows, P. C. Wood & E. T. C. Spooner
doi:10.1038/321851a0
First paragraph & References | PDF (447K)
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| | Significance of a 
13C anomaly near the Devonian/Carboniferous boundary at the Muhua section, South China 854
Xu Dao-Yi, Van Zheng, Zhang Qin-Wen, Shen Zhi-Da, Sun Yi-Yin & Ye Lian-Fang
doi:10.1038/321854a0
First paragraph & References | PDF (221K)
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| | Organically preserved microbial endoliths from the late Proterozoic of East Greenland 856
A. H. Knoll, S. Golubic, J. Green & K. Swett
doi:10.1038/321856a0
First paragraph & References | PDF (271K)
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| | More than one event in the late Triassic mass extinction 857
Michael J. Benton
doi:10.1038/321857a0
First paragraph & References | PDF (461K)
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| | A new class of Echinodermata from New Zealand 862
Alan N. Baker, Francis W. E. Rowe & Helen E. S. Clark
doi:10.1038/321862a0
First paragraph & References | PDF (354K)
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| | Benzodiazepine impairs and  -carboline enhances performance in learning and memory tasks 864
Patrice Venault, Georges Chapouthier, Lia Prado de Carvalho, Jacques Simiand, Michel Morre, Robert H. Dodd & Jean Rossier
doi:10.1038/321864a0
First paragraph & References | PDF (353K)
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| | The structural gene coding for myelin-associated proteolipid protein is mutated in jimpy mice 867
A. Dautigny, M.-G. Mattei, D. Morello, P. M. Alliel, D. Pham-Dinh, L. Amar, D. Arnaud, D. Simon, J.-F. Mattei, J.-L. Guenet, P. Jollès & P. Avner
doi:10.1038/321867a0
First paragraph & References | PDF (383K)
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| | Light-dependent phosphorylation of rhodopsin by -adrenergic receptor kinase 869
Jeffrey L. Benovic, Federico Mayor Jr, Robert L. Somers, Marc G. Caron & Robert J. Lefkowitz
doi:10.1038/321869a0
First paragraph & References | PDF (463K)
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| | Stimulation of haematopoiesis in primates by continuous infusion of recombinant human GM-CSF 872
Robert E. Donahue, Elizabeth A. Wang, David K. Stone, Robert Kamen, Gordon G. Wong, Prabhat K. Sehgal, David G. Nathan & Steven C. Clark
doi:10.1038/321872a0
First paragraph & References | PDF (488K)
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| | No functional  -chain transcripts detected in an alloreactive cytotoxic T-cell clone 876
F. Rupp, G. Frech, H. Hengartner, R. M. Zinkernagel & R. Joho
doi:10.1038/321876a0
First paragraph & References | PDF (333K)
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| | A functional gene formed from known -gene segments is not necessary for antigen-specific responses of murine cytotoxic T lymphocytes 878
E. B. Reilly, D. M. Kranz, S. Tonegawa & H. N. Eisen
doi:10.1038/321878a0
First paragraph & References | PDF (362K)
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| | Corticotropin releasing factor induction of leukocyte-derived immunoreactive ACTH and endorphins 881
Eric M. Smith, Audrey C. Morrill, Walter J. Meyer III & J. Edwin Blalock
doi:10.1038/321881a0
First paragraph & References | PDF (225K)
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| | The -subunit of follicle-stimulating hormone is deleted in patients with aniridia and Wilms' tumour, allowing a further definition of the WAGR locus 882
Tom Glaser, William H. Lewis, G. A. P. Bruns, P. C. Watkins, C. E. Rogler, T. B. Shows, V. E. Powers, H. F. Willard, J. M. Goguen, K. O. J. Simola & D. E. Housman
doi:10.1038/321882a0
First paragraph & References | PDF (719K)
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| | Ethanol production from sugars derived from plant biomass by a novel fungus 887
J. F. Wu, S. M. Lastick & D. M. Updegraff
doi:10.1038/321887a0
First paragraph & References | PDF (205K)
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| | Erratum: Mechanosensitivity of mammalian auditory hair cells in vitro
888
I. J. Russel, G. P. Richardson & A. R. Cody
doi:10.1038/321888a0
PDF (92K)
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| | Corrigendum: NMDA-receptor activation increases cytoplasmic calcium concentration in cultured spinal cord neurones 888
A. B. MacDermott, M. L. Meyer, G. L. Westbrook, S. J. Smith & J. L. Barker
doi:10.1038/321888b0
PDF (92K)
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