| | Opinion |  |
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| | Half Way Public on Diffusion 113
doi:10.1038/223113a0
PDF (222K)
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| | The Fee-paying University 114
doi:10.1038/223114a0
PDF (233K)
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| | News | |
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| | Open University: Plans Maturing 115
doi:10.1038/223115a0
PDF (124K)
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| | Common Market: Suspense at Brussels 115
doi:10.1038/223115b0
PDF (249K)
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| | Cancer Research: Who Pays the Piper? 116
doi:10.1038/223116a0
PDF (314K)
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| | Hovertrains: Not on the Rails 117
doi:10.1038/223117a0
PDF (228K)
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| | Industrial Research: BISRA in Business 117
doi:10.1038/223117b0
PDF (351K)
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| | Rockefeller: Feeding People 118
doi:10.1038/223118a0
PDF (127K)
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| | Pharmaceuticals: Industry keeps Cheerful 118
doi:10.1038/223118b0
PDF (375K)
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| | Zoology: Strange Sounds in Kensington 119
doi:10.1038/223119a0
PDF (253K)
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| | Architecture: One Building Up 119
doi:10.1038/223119b0
PDF (463K)
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| | Physical Society: Rationalization Year 120
doi:10.1038/223120a0
PDF (214K)
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| | Medicine: Thin Future for Lasers 120
doi:10.1038/223120b0
PDF (326K)
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| | Planning: No More Sports Centre 121
doi:10.1038/223121a0
PDF (116K)
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| | Conservation: New Head Keeper 121
doi:10.1038/223121b0
PDF (116K)
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| | Parliament in Britain 121
doi:10.1038/223121c0
PDF (117K)
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| | Lunar Timetable 122
doi:10.1038/223122a0
PDF (130K)
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| | Testing the Lunar Surface 123
Our Astronomy Correspondent
doi:10.1038/223123a0
PDF (257K)
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| | Brazil 124
doi:10.1038/223124a0
PDF (125K)
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| | News and Views |  |
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| | Hybrid Cell Genetics 125
doi:10.1038/223125a0
PDF (136K)
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| | Paediatric Research: Trouble with Chromosomes 125
doi:10.1038/223125b0
PDF (303K)
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| | Nutrition: Valuable Plant Breeding 126
A Correspondent
doi:10.1038/223126a0
PDF (298K)
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| | Antibiotics: Carriers through Barriers 127
Our Molecular Biology Correspondent
doi:10.1038/223127a0
PDF (132K)
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| | Metabolic Diseases: Defect in Vitamin Metabolism 127
Our Medical Biochemistry Correspondent
doi:10.1038/223127b0
PDF (255K)
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| | Auxin Action: Conflicting Views 128
Our Plant Physiology Correspondent
doi:10.1038/223128a0
PDF (129K)
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| | Moon: Dodging the Lumps 128
doi:10.1038/223128b0
PDF (255K)
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| | Astrophysics: How do Stars Form? 129
A Correspondent
doi:10.1038/223129a0
PDF (253K)
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| | Geological Time: Short Polarity Intervals 130
Our Geomagnetism Correspondent
doi:10.1038/223130a0
PDF (127K)
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| | Geophysics: Earthquakes and the Wobble 130
A Correspondent
doi:10.1038/223130b0
PDF (249K)
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| | Marine Geochemistry: Analysing the Oceans 131
A Correspondent
doi:10.1038/223131a0
PDF (128K)
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| | Materials: Fibres for Composites 131
A Correspondent
doi:10.1038/223131b0
PDF (259K)
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| | Molecular Beams: Chemical Accelerators 132
A Correspondent
doi:10.1038/223132a0
PDF (137K)
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| | Proteins at Cold Spring Harbor 133
Our Molecular Genetics Correspondent
doi:10.1038/223133a0
PDF (452K)
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| | Articles |  |
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| | Science and Universities 137
JOSEPH BEN-DAVID
doi:10.1038/223137a0
PDF (364K)
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| | Further Measurements of Magnetic Fields in Interstellar Clouds of Neutral Hydrogen 140
G. L. VERSCHUUR
doi:10.1038/223140a0
Abstract & References | PDF (280K)
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| | Crustal Structure of the East African Plateau and Rift Valleys from Gravity Measurements 143
W. T. C. SOWERBUTTS
doi:10.1038/223143a0
Abstract & References | PDF (447K)
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| | Rates of Evolutionary Change in the Hominid Dentition 146
A. BILSBOROUGH
doi:10.1038/223146a0
Abstract & References | PDF (437K)
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| | Fossil Camels in the Omo Beds, Southern Ethiopia 150
F. CLARK HOWELL, LYNN S. FICHTER & RONALD WOLFF
doi:10.1038/223150a0
Abstract & References | PDF (479K)
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| | Recombination and Segregation in Somatic Cell Hybrids 152
E. ENGEL, B. J. McGEE & HENRY HARRIS
doi:10.1038/223152a0
Abstract & References | PDF (666K)
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Penicillium cyaneo-fulvum Virus and Interferon Stimulation 155
G. T. BANKS, K. W. BUCK, E. B. CHAIN, JOAN E. DARBYSHIRE & F. HIMMELWEIT
doi:10.1038/223155a0
Abstract & References | PDF (643K)
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| | Plasmid Formation: a New Mode of Lysogeny by Phase  158
E. R. SIGNER
doi:10.1038/223158a0
Abstract & References | PDF (389K)
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| | Letters | |
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| | Improved Limit on the Absence of Dispersion of the Velocity of Light 161
G. R. ISAAK
doi:10.1038/223161a0
First paragraph & References | PDF (131K)
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| | Improved Limit on the Absence of Dispersion of the Velocity of Light 161
J. L. SYNGE
doi:10.1038/223161b0
PDF (250K)
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| | Pulsars and the Mass Spectrum of Cosmic Rays 162
T. GOLD
doi:10.1038/223162a0
First paragraph & References | PDF (124K)
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| | High Energy X-ray Study of M–87 162
J. E. McCLINTOCK, W. H. G. LEWIN, R. J. SULLIVAN & G. W. CLARK
doi:10.1038/223162b0
First paragraph & References | PDF (208K)
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| | Primordial Rare Gases in the Atmosphere of the Earth 163
JOHN T. WASSON
doi:10.1038/223163a0
First paragraph & References | PDF (319K)
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| | Prediction of Geomagnetic Secular Change confirmed 165
ANNE B. KAHLE, R. H. BALL & J. C. CAIN
doi:10.1038/223165a0
First paragraph & References | PDF (116K)
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| | Possible Algal Microfossils from the Late Pre-Cambrian of California 165
ALLAN M. GUTSTADT & J. WILLIAM SCHOPF
doi:10.1038/223165b0
First paragraph & References | PDF (523K)
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| | Atlantic Opening and the Origin of the Caribbean 167
M. M. BALL, C. G. A. HARRISON & P. R. SUPKO
doi:10.1038/223167a0
First paragraph & References | PDF (250K)
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| | Recent Benthonic Foraminifera: Environmental Factors controlling their Distribution 168
GARY O. G. GREINER
doi:10.1038/223168a0
First paragraph & References | PDF (358K)
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| | Coccoliths as Late Quaternary Palaeoclimatic Indicators in the Subantarctic Pacific Ocean 170
KURT R. GEITZENAUER
doi:10.1038/223170a0
First paragraph & References | PDF (309K)
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| | Fault-plane Solution of the Koyna (India) Earthquake 172
W. H. K. LEE & C. B. RALEIGH
doi:10.1038/223172a0
First paragraph & References | PDF (222K)
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| | Debris from the Sixth Chinese Nuclear Test 173
G. PERSSON & J. SISEFSKY
doi:10.1038/223173a0
First paragraph & References | PDF (328K)
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| | Delayed Exchange of Potassium from some Edges of Mica Flakes 175
A. C. D. NEWMAN & G. BROWN
doi:10.1038/223175a0
First paragraph & References | PDF (418K)
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| | Transient Changes in the Potential of the Ag-Agl Electrode induced by a Light Pulse 177
A. C. H. VAN PESKI, D. A. DE VOOYS & D. J. C. ENGEL
doi:10.1038/223177a0
First paragraph & References | PDF (96K)
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| | Charge-transfer-to-solvent Spectra 177
M. F. FOX & T. F. HUNTER
doi:10.1038/223177b0
First paragraph & References | PDF (201K)
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| | Characterization of Ethyl Bromide as a Liquid Anionic Membrane 178
R. GALLI & T. MUSSINI
doi:10.1038/223178a0
First paragraph & References | PDF (202K)
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| | Fluorine Nuclear Magnetic Resonance of Peptides and Amino-acids 179
R. E. SIEVERS, E. BAYER & P. HUNZIKER
doi:10.1038/223179a0
First paragraph & References | PDF (278K)
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| | Integrated Intensities of the Green–Yellow System of Lanthanum Monoxide Bands 181
N. SREEDHARA MURTHY & B. NARASIMHAMURTHY
doi:10.1038/223181a0
First paragraph & References | PDF (235K)
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| | Cranial Capacity and Taxonomy of Olduvai Hominid 7 182
M. H. WOLPOFF
doi:10.1038/223182a0
First paragraph & References | PDF (254K)
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| | Aphasia and Rapid Eye Movement Sleep 183
R. GREENBERG & E. M. DEWAN
doi:10.1038/223183a0
First paragraph & References | PDF (246K)
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| | Neural and Non-neural Mechanisms influencing Circulation during Sleep 184
GIORGIO BACCELLI, MAURIZIO GUAZZI, GIUSEPPE MANCIA & ALBERTO ZANCHETTI
doi:10.1038/223184a0
First paragraph & References | PDF (224K)
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| | Cultivated Plants and the Kon-Tiki Theory 185
H. J. GOODING
doi:10.1038/223185a0
First paragraph & References | PDF (110K)
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| | Cultivated Plants and the Kon-Tiki Theory 185
A. H. BUNTING
doi:10.1038/223185b0
PDF (238K)
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| | Sex Expression and the Production of Ethylene induced by Auxin in the Cucumber (Cucumis sativum L.) 186
STANTON SHANNON & MANUEL D. DE LA GUARDIA
doi:10.1038/223186a0
First paragraph & References | PDF (134K)
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| | Occurrence of Asexual Reproduction by Budding in Sipunculida 186
G. SUNDARA RAJULU & N. KRISHNAN
doi:10.1038/223186b0
First paragraph & References | PDF (251K)
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| | Presence of Male Determining Factors found on Three Autosomes in the House Fly, Musca domestica
187
DALE E. WAGONER
doi:10.1038/223187a0
First paragraph & References | PDF (261K)
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| | Biochemical Polymorphisms in Bees (Apis mellifera ligustica) 188
M. A. MESTRINER
doi:10.1038/223188a0
First paragraph & References | PDF (411K)
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| |
In corpore Fertilization and Development in the Sea Urchin, Arbacia punctulata
189
GEORGE D. RUGGIERI
doi:10.1038/223189a0
PDF (273K)
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| | Haemoglobin I Toulouse:  66 (E 10) Lys  Glu: a New Abnormal Haemoglobin with a Mutation localized on the E 10 Porphyrin Surrounding Zone 190
J. ROSA, D. LABIE, H. WAJCMAN, J. M. BOIGNE, R. CABANNES, R. BIERME & J. RUFFIE
doi:10.1038/223190a0
First paragraph & References | PDF (262K)
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| | Spectrum of Urease Isozymes: Genetic, Polymeric and Conformeric 191
WILLIAM N. FISHBEIN, CARLOS L. SPEARS & WARREN SCURZI
doi:10.1038/223191a0
First paragraph & References | PDF (404K)
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| | Isoenzymes and Short-term Temperature Compensation in Poikilotherms: Activation of Lactate Dehydrogenase Isoenzymes by Temperature Decreases 194
G. N. SOMERO & P. W. HOCHACHKA
doi:10.1038/223194a0
First paragraph & References | PDF (227K)
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| | Systems of Materno-foetal Transport of  G Immunoglobulin in the Mouse 195
DAVID GITLIN & LEONIDAS G. MORPHIS
doi:10.1038/223195a0
First paragraph & References | PDF (236K)
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| | Effects of Some Cellular Antigens on Lymphocytes and the Nature of the Mixed Lymphocyte Reaction 196
R. D. H. RYALL
doi:10.1038/223196a0
First paragraph & References | PDF (229K)
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| | Effects of Some Cellular Antigens on Lymphocytes and the Nature of the Mixed Lymphocyte Reaction 197
D. A. HARDY & N. R. LING
doi:10.1038/223197a0
References | PDF (135K)
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| | Disodium Cromoglycate, an Inhibitor of Mast Cell Degranulation and Histamine Release induced by Phospholipase A 197
T. S. C. ORR & J. S. G. COX
doi:10.1038/223197b0
First paragraph & References | PDF (258K)
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| | Thrombocytopenia, a Prelymphoid Leukaemic Sign in AKR Mice 198
ISADORE BRODSKY
doi:10.1038/223198a0
First paragraph & References | PDF (254K)
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| | Induction of Alcohol Dehydrogenase in the Rat 199
STEVEN P. MISTILIS & ANGELA BIRCHALL
doi:10.1038/223199a0
First paragraph & References | PDF (239K)
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| | Prevention of Allylisopropylacetamide Induced Experimental Porphyria in the Rat by Vitamin E 200
HARI S. MURTY & PADMANABHAN P. NAIR
doi:10.1038/223200a0
First paragraph & References | PDF (236K)
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| | Signal Transmission along Retinal Rods and the Origin of the Electroretinographic a-Wave 201
R. D. PENN & W. A. HAGINS
doi:10.1038/223201a0
First paragraph & References | PDF (755K)
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| | Substructures of Chromosomes 205
J. SONNENBICHLER
doi:10.1038/223205a0
First paragraph & References | PDF (407K)
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| | Possible Relevance of O–6 Alkylation of Deoxyguanosine to the Mutagenicity and Carcinogenicity of Nitrosamines and Nitrosamides 206
A. LOVELESS
doi:10.1038/223206a0
First paragraph & References | PDF (244K)
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| | Diving Bradycardia and Withdrawal Bradycardia in Caiman crocodilus
207
ABBOT S. GAUNT & CARL GANS
doi:10.1038/223207a0
First paragraph & References | PDF (204K)
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| | Prostaglandin Antagonists: Synthesis and Smooth Muscle Activity 208
JOSEF FRIED, T. S. SANTHANAKRISHNAN, J. HIMIZU, C. H. LIN, SUSAN HEIM FORD, B. RUBIN & E. O. GRIGAS
doi:10.1038/223208a0
First paragraph & References | PDF (270K)
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| | Microsomal Oxidations of Organophosphate Insecticides in some Resistant Strains of Houseflies 210
S. ELBASHIR & F. J. OPPENOORTH
doi:10.1038/223210a0
First paragraph & References | PDF (225K)
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| | Prevention by a Diphosphonate of Immobilization "Osteoporosis" in Rats 211
H. FLEISCH, R. G. G. RUSSELL, B. SIMPSON & R. C. MÜHLBAUER
doi:10.1038/223211a0
First paragraph & References | PDF (212K)
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| | Obesity and the Heat Increment of Feeding 212
S. D. MORRISON & F. K. MILLAR
doi:10.1038/223212a0
First paragraph & References | PDF (228K)
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| | Obesity and the Heat Increment of Feeding 213
M. J. STOCK
doi:10.1038/223213a0
PDF (129K)
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| | Attenuation of Rhinovirus Type 15 for Humans 213
R. GORDON DOUGLAS JUN. & R. B. COUCH
doi:10.1038/223213b0
First paragraph & References | PDF (252K)
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| | A Reappraisal of Cystic Fibrosis 214
J. C. MARSDEN
doi:10.1038/223214a0
First paragraph & References | PDF (129K)
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| | Book Reviews |  |
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| | Education or Indoctrination? 215
F. S. DAINTON reviews The Teaching of Science
Education, Science and Society. By
F. R. Jevons
doi:10.1038/223215a0
PDF (127K)
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| | Expansion for What? 215
JOHN VAIZEY reviews The School that I'd Like
Edited by
Edward Blishen, Willem van der Eyken, Richard Layard, John King & Claus Moser
doi:10.1038/223215b0
PDF (260K)
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| | Regeneration Regenerate 216
A. E. NEEDHAM reviews Principles of Regeneration
By
Richard J. Goss
doi:10.1038/223216a0
PDF (270K)
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| | Diverse Ways of Life 217
A. J. PONTIN reviews Genesis of the Hymenoptera and the Phases of their Evolution
By
S. I. Malyshev, O. W. Richards & Boris Uvarov
doi:10.1038/223217a0
PDF (136K)
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| | Light and Plants 217
D. O. HALL reviews Perspectives in Phytochemistry
Edited by
J. B. Harborne & T. Swain
doi:10.1038/223217b0
PDF (270K)
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| | Unwanted Plants 218
J. D. FRYER reviews Weed Control
doi:10.1038/223218a0
PDF (138K)
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| | Pathways in Cells 218
M. H. RICHMOND reviews Bacterial Physiology and Metabolism
By
J. R. Sokatch
doi:10.1038/223218b0
PDF (267K)
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| | Random Processes 219
J. F. C. KINGMAN reviews Stochastic Integrals
By
H. P. McKean
doi:10.1038/223219a0
PDF (134K)
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| | Chemical Topics 219
PETER SYKES reviews Programmes in Organic Chemistry
By
D. R. Hogg
doi:10.1038/223219b0
PDF (134K)
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| | Descriptive Geology 219
D. T. DONOVAN reviews The Geological History of the British Isles
By
George M. Bennison & Alan E. Wright
doi:10.1038/223219c0
PDF (265K)
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| | Physical Fields 220
W. A. HEPNER reviews An Introduction to Field Quantization
By
Y. Takahashi
doi:10.1038/223220a0
PDF (136K)
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| | Sulphur and Its Compounds 220
R. A. SHAW reviews Inorganic Sulphur Chemistry
Edited by
G. Nickless
doi:10.1038/223220b0
PDF (257K)
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| | Hybrid Computers 221
G. C. BARNEY reviews Hybrid Computation
By
George A. Bekey
doi:10.1038/223221a0
PDF (126K)
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| | Correspondence | |
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| | Students are not Employees 221
J. P. POYSER & P. R. ELPHICK
doi:10.1038/223221b0
PDF (124K)
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| | SI Units 221
H. N. V. TEMPERLEY
doi:10.1038/223221c0
PDF (240K)
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| | Matthew's Chance: Probability and Prejudice 222
W. J. G. PINSKER
doi:10.1038/223222a0
PDF (119K)
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| | [Correspondence] 222
doi:10.1038/223222b0
PDF (238K)
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| | Erratum 223
doi:10.1038/223223a0
PDF (124K)
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| | Erratum 223
doi:10.1038/223223b0
PDF (124K)
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| | Erratum 223
doi:10.1038/223223c0
PDF (124K)
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| | Corrigendum 223
doi:10.1038/223223d0
PDF (124K)
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| | British Diary | |
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| | British Diary 224
doi:10.1038/223224a0
PDF (139K)
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| | Reports and Publications | |
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| | Reports and Publications 224
doi:10.1038/223224b0
PDF (139K)
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