| | Opinion |  |
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| | How not to fix the farm economy 119
President Reagan hopes the deficit will persuade Congress that farm programmes cannot be afforded. But a free market and exports will not cure all ills.
doi:10.1038/314119a0
PDF (265K)
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| | Imbalanced budgets 120
Next week's British budget could be decisive for the future of British industry and innovation.
doi:10.1038/314120a0
PDF (150K)
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| | Polish normalcy? 120
Is the Polish government serious in saying it wants normal relations with the outside world?
doi:10.1038/314120b0
PDF (150K)
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| | News | |
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| | Nuclear winter: Pentagon says yes, it may happen, but "so what?" 121
Stephen Budiansky
doi:10.1038/314121a0
PDF (137K)
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| | ASTAs: US Air Force slows the pace 121
Stephen Budiansky
doi:10.1038/314121b0
PDF (137K)
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| | US space science: Manned flight to Mars? 122
Stephen Budiansky
doi:10.1038/314122a0
PDF (143K)
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| | Biotechnology: Agrigenetics forced to merge 122
Tim Beardsley
doi:10.1038/314122b0
PDF (143K)
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| | Poland: New directions for science 123
Vera Rich
doi:10.1038/314123a0
PDF (146K)
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| | French science: Good times are here again 124
Robert Walgate
doi:10.1038/314124a0
PDF (139K)
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| | Italian biotechnology: Planning to catch up rivals 124
Paola de Paoli
doi:10.1038/314124b0
PDF (139K)
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| | CERN: Reduced budget in prospect 125
Robert Walgate
doi:10.1038/314125a0
PDF (139K)
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| | No home yet for radiation source 125
Robert Walgate
doi:10.1038/314125b0
PDF (139K)
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| | Correspondence | |
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| | Imunovir defended 126
HELEN J. WRIGHT
doi:10.1038/314126a0
References | PDF (149K)
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| | Status of IVF embryos 126
C.B. GOODHART
doi:10.1038/314126b0
PDF (149K)
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| | Commentary |  |
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| | Unborn Children (Protection) Bill 127
If the bill recently presented in the British Parliament were to become law, many promising avenues of research would be blocked.
H. John Evans & Anne McLaren
doi:10.1038/314127a0
References | PDF (270K)
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| | News and Views |  |
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| | Is gravitational energy real? 129
The long-recognized problem of Einstein's theory of gravitation, that gravitational energy is not unambiguously defined, may be unavoidable. But people keep trying.
John Maddox
doi:10.1038/314129a0
PDF (137K)
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| | Astronomy: Gas in elliptical galaxies 130
A.C. Fabian
doi:10.1038/314130a0
References | PDF (260K)
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| | Congenital diseases: Complementary genes for an adrenal enzyme deficiency 130
Ian R. Phillips & Elizabeth A. Shephard
doi:10.1038/314130b0
References | PDF (423K)
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| | 100 Years Ago A New American Clock 131
doi:10.1038/314131a0
PDF (167K)
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| | Mathematics: How bent is a knot? 132
Ian Stewart
doi:10.1038/314132a0
PDF (136K)
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| | Molecular genetic: Diverged genetic codes in protozoans and a bacterium 132
Thomas D. Fox
doi:10.1038/314132b0
PDF (273K)
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| | Laser fusion: Hollow shells, shorter wavelengths 133
Roger Evans
doi:10.1038/314133a0
References | PDF (282K)
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| | Prehistoric astronomy: Evidence from a new site 134
Clive Ruggles
doi:10.1038/314134a0
PDF (288K)
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| | Genetic analysis: Of man and mouse 135
P.N. Goodfellow
doi:10.1038/314135a0
References | PDF (151K)
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| | Scientific Correspondence | |
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| | Histidine-rich protein of Plasmodium lophurae
136
ARAXIE KILEJIAN
doi:10.1038/314136a0
References | PDF (148K)
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| | Climatic effects of volcanic eruptions 136
KEVIN BURKE & PETER FRANCIS
doi:10.1038/314136b0
References | PDF (148K)
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| | Articles |  |
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| | Origin of strong interplanetary shocks 137
A. Hewish, S. J. Tappin & G. R. Gapper
doi:10.1038/314137a0
Abstract & References | PDF (382K)
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| | Fractal growth viscous fingers: quantitative characterization of a fluid instability phenomenon 141
Johann Nittmann, Gérard Daccord & H. Eugene Stanley
doi:10.1038/314141a0
Abstract & References | PDF (499K)
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| | Letters | |
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| | A very bright water vapour maser source in the galaxy NGC3079 144
Aubrey D. Haschick & Willem A. Baan
doi:10.1038/314144a0
First paragraph & References | PDF (332K)
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| | Periodicity in the BL Lac object OJ287 146
L. Carrasco, D. Dultzin-Hacyan & I. Cruz-Gonzalez
doi:10.1038/314146a0
First paragraph & References | PDF (310K)
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| | A 15.7-min periodicity in OJ287 148
E. Valtaoja, H. Lehto, P. Teerikorpi, T. Korhonen, M. Valtonen, H. Teräsranta, E. Salonen, S. Urpo, M. Tiuri, V. Piirola & W. C. Saslaw
doi:10.1038/314148a0
First paragraph & References | PDF (220K)
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| | Influences of precipitation changes and direct CO2 effects on streamflow 149
T. M. L. Wigley & P. D. Jones
doi:10.1038/314149a0
First paragraph & References | PDF (469K)
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| | Gypsum precipitation from cold brines in an anoxic basin in the eastern Mediterranean 152
, M. B. , K. A. , F. W. , F. , A. , A. , C. , E. , M. , T. , C. , P. , A. , E. CitaKastensMcCoyAghibCambiCamerlenghiCorselliErbaGiambastianiHerbertLeoniMalinvernoNosettoParisi
doi:10.1038/314152a0
First paragraph & References | PDF (415K)
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| | Abundance variation of iridium and trace elements at the Permian/Triassic boundary at Shangsi in China 154
Xu Dao-Yi, Ma Shu-Lan, Chai Zhi-Fang, Mao Xuo-Ying, Sun Yi-Ying, Zhang Qin-Wen & Yang Zheng-Zhong
doi:10.1038/314154a0
First paragraph & References | PDF (340K)
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| | Timing of deglaciation from an oxygen isotope curve for Atlantic deep-sea sediments 156
W. H. Berger, J. S. Killingley & E. Vincent
doi:10.1038/314156a0
First paragraph & References | PDF (340K)
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| | A prehistoric calendrical site in Argyll? 158
E. W. MacKie, P. F. Gladwin & A. E. Roy
doi:10.1038/314158a0
First paragraph & References | PDF (556K)
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| | The first pre-Rhaetic therian mammal 161
N. C. Fraser, G. M. Walkden & V. Stewart
doi:10.1038/314161a0
First paragraph & References | PDF (369K)
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| | Reduction of oak fecundity by low-density herbivore populations 163
Michael J. Crawley
doi:10.1038/314163a0
First paragraph & References | PDF (237K)
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| | Firing patterns of motor units in normal rats 164
Rune Hennig & Terje Lømo
doi:10.1038/314164a0
First paragraph & References | PDF (334K)
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| | Stimulation of food intake in rats by centrally administered hypothalamic growth hormone-releasing factor 167
F. J. Vaccarino, F. E. Bloom, J. Rivier, W. Vale & G. F. Koob
doi:10.1038/314167a0
First paragraph & References | PDF (244K)
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| | Co-localization of GABAA receptors and benzodiazepine receptors in the brain shown by monoclonal antibodies 168
P. Schoch, J. G. Richards, P. Häring, B. Takacs, C. Stähli, T. Staehelin, W. Haefely & H. Möhler
doi:10.1038/314168a0
First paragraph & References | PDF (683K)
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| | Action potential mutations stop a biological clock in Drosophila
171
Charalambos P. Kyriacou & Jeffrey C. Hall
doi:10.1038/314171a0
First paragraph & References | PDF (375K)
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| | Comparative chromosome mapping of a conserved homoeo box region in mouse and human 173
A. L. Joyner, R. V. Lebo, Y. W. Kan, R. Tjian, D. R. Cox & G. R. Martin
doi:10.1038/314173a0
First paragraph & References | PDF (469K)
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| | Two homoeo box loci mapped in evolutionarily related mouse and human chromosomes 175
Mark Rabin, Charles P. Hart, Anne Ferguson-Smith, William McGinnis, Michael Levine & Frank H. Ruddle
doi:10.1038/314175a0
First paragraph & References | PDF (989K)
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| | A Drosophila genomic sequence with homology to human epidermal growth factor receptor 178
Samuel C. Wadsworth, Walter S. Vincent III & Diana Bilodeau-Wentworth
doi:10.1038/314178a0
First paragraph & References | PDF (453K)
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| | Investigation of genetic linkage between myosin and actin genes using an interspecific mouse back-cross 181
Benoît Robert, Paul Barton, Adrian Minty, Philippe Daubas, And e Weydert, François Bonhomme, Josette Catalan, Dominique Chazottes, Jean-Louis Guénet & Margaret Buckingham
doi:10.1038/314181a0
First paragraph & References | PDF (335K)
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| | A test for intron function in the yeast actin gene 183
R. Ng, H. Domdey, G. Larson, J. J. Rossi & J. Abelson
doi:10.1038/314183a0
First paragraph & References | PDF (245K)
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| | Does Paramecium primaurelia use a different genetic code in its macronucleus? 185
François Caron & Eric Meyer
doi:10.1038/314185a0
First paragraph & References | PDF (573K)
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| | Deviation from the universal code shown by the gene for surface protein 51A in Paramecium
188
J. R. Preer Jr, L. B. Preer, B. M. Rudman & A. J. Barnett
doi:10.1038/314188a0
First paragraph & References | PDF (362K)
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| | Utilization of one promoter by two forms of RNA polymerase from Bacillus subtilis
190
Kathleen M. Tatti & Charles P. Moran Jr
doi:10.1038/314190a0
First paragraph & References | PDF (469K)
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| | Control of germ cell nuclear behaviour at fertilization by Tetrahymena intermediate filament protein 192
Osamu Numata, Toshiro Sugai & Yoshio Watanabe
doi:10.1038/314192a0
First paragraph & References | PDF (519K)
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| | Reversible cyclic AMP-dependent change in distribution of myosin thick filaments in Dictyostelium
194
Shigehiko Yumura & Yoshio Fukui
doi:10.1038/314194a0
First paragraph & References | PDF (460K)
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| | Association of histone H10 with a gene repressed during liver development 197
J. Roche, Cl. Gorka, P. Goeltz & J. J. Lawrence
doi:10.1038/314197a0
First paragraph & References | PDF (273K)
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| | Corrigendum: A bacterial represser protein or a yeast transcriptional terminator can block upstream activation of a yeast gene 198
R. Brent & M. Ptashne
doi:10.1038/314198a0
PDF (113K)
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| | Matters Arising | |
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| | Sequence similarity between EGF receptor and 
1-acid glycoprotein 199
HIROYUKI TOH, HIDENORI HAYASHIDA, REIKO KIKUNO, TERUO YASUNAGA & TAKASHI MIYATA
doi:10.1038/314199a0
References | PDF (227K)
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| | Stomatal mechanism as the basis of evolution of crassulacean acid metabolism 200
W. COCKBURN
doi:10.1038/314200a0
References | PDF (133K)
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| | Stomatal mechanism as the basis of evolution of crassulacean acid metabolism 200
B. A. THOMAS
doi:10.1038/314200b0
References | PDF (133K)
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| | Stomatal mechanism as the basis of evolution of crassulacean acid metabolism 200
J. E. KEELEY, C. B. OSMOND & J. A. RAVEN
doi:10.1038/314200c0
References | PDF (133K)
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| | Book Reviews | |
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| | Asdic to sonar 201
R.V. Jones reviews Seek and Strike: Sonar, Anti-Submarine Warfare and the Royal Navy 1914−54
By
Willem Hackmann
doi:10.1038/314201a0
PDF (163K)
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| | Breeding discontent 202
David Pearce reviews The Plutonium Business and the Spread of the Bomb
By
Walter C. Patterson
doi:10.1038/314202a0
PDF (142K)
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| | Talk of Kyoto 202
F.S. Rosen reviews Progress in Immunology V
Edited by
Y. Yamamura & T. Tada
doi:10.1038/314202b0
PDF (142K)
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| | An inside view 203
Sean C. Solomon reviews Planetary Interiors
By
William B. Hubbard
doi:10.1038/314203a0
PDF (145K)
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| | Ode to diversity 203
Lindon J. Eaves reviews In Praise of Difference: Genetics and Human Affairs
By
Albert Jacquard
doi:10.1038/314203b0
PDF (145K)
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| | Practice of science 204
Russell Moseley reviews Philosophy and Sociology of Science: An Introduction
By
Stewart Richards and An Introduction to Science Studies: The Philosophical and Social Aspects of Science and Technology
By
John Ziman and The Experience of Science: An Interdisciplinary Approach
By
Martin Goldstein & Inge Goldstein
doi:10.1038/314204a0
PDF (163K)
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| | [Book Reviews 'picture story'] 204
doi:10.1038/314204b0
PDF (163K)
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