| | Opinion |  |
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| | Whose Rate for the Job ? 145
doi:10.1038/232145a0
PDF (114K)
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| | What Future for Euratom ? 146
doi:10.1038/232146a0
PDF (129K)
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| | No Jobs for the Boys 147
doi:10.1038/232147a0
PDF (137K)
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| | 100 Years Ago 147
doi:10.1038/232147b0
PDF (137K)
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| | Old World | |
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| | Scientists' Pay: Continuing Dispute 148
doi:10.1038/232148a0
PDF (122K)
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| | Mineral Resources: Metals or Mountains ? 148
doi:10.1038/232148b0
PDF (122K)
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| | Stars in Rock 148
Our Soviet Correspondent
doi:10.1038/232148c0
PDF (122K)
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| | New World | |
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| | Cancer Compromise Almost Unites Senate 149
Our Washington Correspondent
doi:10.1038/232149a0
PDF (233K)
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| | Unemployment: Grim Prospects 150
Our Washington Correspondent
doi:10.1038/232150a0
PDF (116K)
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| | Short Notes 150
doi:10.1038/232150b0
PDF (116K)
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| | News and Views |  |
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| | Circular Polarization and Astronomy 151
doi:10.1038/232151a0
PDF (131K)
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| | Nuclear Fusion: Tokamak Excels 152
A Correspondent
doi:10.1038/232152a0
PDF (259K)
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| | Mixed RNAs in Transformed Cells 152
doi:10.1038/232152b0
PDF (134K)
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| | RNA: Messenger's Burden 153
Our Molecular Biology Correspondent
doi:10.1038/232153a0
PDF (256K)
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| | Acceleration of Cosmic Rays 153
doi:10.1038/232153b0
PDF (130K)
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| | Bacteriophages: Pathway to a Phage 154
Our Cell Biology Correspondent
doi:10.1038/232154a0
PDF (256K)
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| | Sequence and Synthesis of Substance P 154
doi:10.1038/232154b0
PDF (131K)
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| | Continental Drift: Ice and Gondwanaland 155
Our Geomagnetism Correspondent
doi:10.1038/232155a0
PDF (255K)
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| | Role of Cytotoxic Cells in vivo
155
doi:10.1038/232155b0
PDF (130K)
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| | Advances in Calcitonin Research 156
doi:10.1038/232156a0
PDF (130K)
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| | Articles |  |
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| | Transport in the Phloem 157
D. C. SPANNER
doi:10.1038/232157a0
Abstract & References | PDF (1,128K)
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| | The Space Scars of Earth 161
PETER M. MILLMAN
doi:10.1038/232161a0
Abstract & References | PDF (905K)
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| | Circular Polarization: Jupiter and Other Planets 165
JAMES C. KEMP, RAMON D. WOLSTENCROFT & JOHN B. SWEDLUND
doi:10.1038/232165a0
Abstract & References | PDF (342K)
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| | The Evolution of the North-East Atlantic 168
C. A. WILLIAMS & DAN MCKENZIE
doi:10.1038/232168a0
Abstract & References | PDF (497K)
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| | Establishment of Symbiosis between Rhizobium and Plant Cells in vitro
173
R. D. HOLSTEN, R. C. BURNS, R. W. F. HARDY & R. R. HEBERT
doi:10.1038/232173a0
Abstract & References | PDF (1,205K)
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| | Letters | |
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| | Search for Isolated Radio Pulses from the Galactic Centre at 151.5 MHz 177
W. N. CHARMAN, J. H. FRUIN, J. V. JELLEY, R. F. HAYNES, E. R. HODGSON, P. F. SCOTT, J. R. SHAKESHAFT, G. A. BAIRD, T. J. DELANEY, B. G. LAWLESS, R. W. P. DREVER & W. P. S. MEIKLE
doi:10.1038/232177a0
First paragraph & References | PDF (205K)
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| | Rapid Optical Variability of the Source PKS 1514−24 178
F. BIRAUD
doi:10.1038/232178a0
First paragraph & References | PDF (204K)
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| | Interplanetary Lyman—Alpha: Theory and Experiment 179
PAUL E. FEHLAU, W. H. CHAMBERS, JACK C. FULLER & WALTER E. KUNZ
doi:10.1038/232179a0
First paragraph & References | PDF (192K)
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| | Re-evaluation of the Palaeogeographic Argument for an Expanding Earth 180
A. HALLAM
doi:10.1038/232180a0
First paragraph & References | PDF (302K)
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| | Laser Radar Reflexions and Downward Infrared Flux Enhancement near Small Cumulus Clouds 182
C. M. R. PLATT & D. J. GAMBLING
doi:10.1038/232182a0
First paragraph & References | PDF (305K)
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| | Effect of Time on the Mechanical Behaviour of Failed Rock 185
JOHN A. HUDSON
doi:10.1038/232185a0
First paragraph & References | PDF (198K)
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| | Optical and Acoustic Detection of Ball Lightning 187
GÜNTHER A. WAGNER
doi:10.1038/232187a0
First paragraph & References | PDF (126K)
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| | On Fireballs 187
CHARLES H. GIBBS-SMITH
doi:10.1038/232187b0
PDF (126K)
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| | Crystal Structure of the Visual Chromophores, 11-cis and all-trans Retinal 187
R. GILARDI, I. L. KARLE, J. KARLE & W. SPERLING
doi:10.1038/232187c0
First paragraph & References | PDF (320K)
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| | Optical Activity of LSD−DNA Mixtures 189
A. H. BRADY, ELISABETH M. BRADY & F. C. BOUCEK
doi:10.1038/232189a0
First paragraph & References | PDF (228K)
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| | LSD-25 Does Not Intercalate in DNA 191
E. M. SMIT & P. BORST
doi:10.1038/232191a0
First paragraph & References | PDF (228K)
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| | Induced Optical Activity of 2,4-Dinitrophenyl-lysine Specifically Bound to Mouse MOPC-315 Myeloma Protein 192
JOHN M. ROCKEY, KEITH J. DORRINGTON & PAUL C. MONTGOMERY
doi:10.1038/232192a0
First paragraph & References | PDF (325K)
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| | Localization of A Antigen Sites on Human Erythrocyte Ghosts 194
PEDRO PINTO DA SILVA, STEVEN D. DOUGLAS & DANIEL BRANTON
doi:10.1038/232194a0
First paragraph & References | PDF (887K)
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| | Treatment of Murine Leukaemia with Heterologous Antiserum or Cyclophosphamide 196
GEORGE J. HILL II
doi:10.1038/232196a0
First paragraph & References | PDF (392K)
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| | Development of a Specific Anti-leukaemic Serum for the Treatment of Leukaemia in Clinics 197
M. B. SAHASRABUDHE, S. PREMA, K. R. MADYASTHA, M. P. GOLLERKERI & S. S. RAO
doi:10.1038/232197a0
First paragraph & References | PDF (442K)
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| | Induction of Specific Autoimmune Response to Leukaemic Cells in Human Leukaemia Patient by Chemically Tagged Normal "O" Group White Blood Cells 198
M. B. SAHASRABUDHE, K. R. MADYASTHA, S. PREMA, R. D. LELE, M. P. GOLLERKERI & S. S. RAO
doi:10.1038/232198a0
First paragraph & References | PDF (324K)
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| | Synthesis of Nitrosopiperidine from Nitrate and Piperidine in the Gastro-intestinal Tract of the Rat 199
B. S. ALAM, I. B. SAPOROSCHETZ & S. S. EPSTEIN
doi:10.1038/232199a0
First paragraph & References | PDF (301K)
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| | Distribution and Concentration of Mercury in Autopsy Specimens of Human Brain 200
CHESTER A. GLOMSKI, HAROLD BRODY & SIVASANKARA K. K. PILLAY
doi:10.1038/232200a0
First paragraph & References | PDF (230K)
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| | Accelerated Elimination of Methyl Mercury from Animals 201
HITOSHI TAKAHASHI & KIMIKO HIRAYAMA
doi:10.1038/232201a0
First paragraph & References | PDF (203K)
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| | Two-stage Recovery of a Response in Sepia
202
J. B. MESSENGER
doi:10.1038/232202a0
First paragraph & References | PDF (216K)
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| | Variations in Retention Performance during Long Term Memory Formation 203
G. D. SANDERS & J. J. BARLOW
doi:10.1038/232203a0
First paragraph & References | PDF (234K)
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| | Book Reviews |  |
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| | Communities of Sciences 205
P. G. WERSKEY reviews Politics and the Community of Science
By
Joseph Haberer
doi:10.1038/232205a0
PDF (119K)
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| | Cells in Charge 206
BENJAMIN LEWIN reviews Cell Differentiation
Edited By
A. Ole Schjeide & Jean de Vellis
doi:10.1038/232206a0
PDF (131K)
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| | Introducing Microbes 206
ALAN T. BULL reviews Micro-organisms: Function, Form and Environment
Edited By
Lilian E. Hawker & Alan H. Linton
doi:10.1038/232206b0
PDF (259K)
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| | Bug Killers 207
A. W. JOHNSON reviews Naturally Occurring Insecticides
By
Martin Jacobson & D. G. Crosby
doi:10.1038/232207a0
PDF (133K)
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| | High Speed Introduction 207
J. M. CREETH reviews An Introduction to Ultracentrifugation
By
T. J. Bowen & A. J. Rowe
doi:10.1038/232207b0
PDF (257K)
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| | Electron Optics 208
T. MULVEY reviews Electron Optics
By
O. Klemperer
doi:10.1038/232208a0
PDF (130K)
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| | Introducing Information 208
B. C. VICKERY reviews Introduction to Information Science
Compiled and edited by
Tefko Saracevic
doi:10.1038/232208b0
PDF (130K)
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| | Correspondence | |
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| | Aid for Bengal 209
P. J. S. BROOKS
doi:10.1038/232209a0
PDF (120K)
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| | Obituaries | |
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| | Professor I. Vincke 209
doi:10.1038/232209b0
PDF (120K)
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| | Academician V. V. Parin 209
doi:10.1038/232209c0
PDF (239K)
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| | Announcements | |
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| | Announcements 210
doi:10.1038/232210a0
PDF (124K)
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| | Reports and Publications | |
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| | Reports and Publications 210
doi:10.1038/232210b0
PDF (124K)
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