| | Opinion |  |
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| | Anglo-Saxon Problems in Science and Technology 1
doi:10.1038/217001a0
PDF (234K)
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| | Whistling in the Wind 2
doi:10.1038/217002a0
PDF (245K)
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| | News | |
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| | Engineering Compared 3
doi:10.1038/217003a0
PDF (125K)
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| | Academic Issues 3
doi:10.1038/217003b0
PDF (278K)
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| | Bigger Machine at Weston 4
doi:10.1038/217004a0
PDF (202K)
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| | IBM Displaced 5
doi:10.1038/217005a0
PDF (138K)
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| | Supersonic Plans 5
doi:10.1038/217005b0
PDF (271K)
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| | Industrial Oceanography 6
doi:10.1038/217006a0
PDF (138K)
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| | More Social Science 6
doi:10.1038/217006b0
PDF (266K)
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| | Teaching Aids in Sussex 7
doi:10.1038/217007a0
PDF (133K)
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| | Training Computer Users 7
doi:10.1038/217007b0
PDF (133K)
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| | New Look Laboratories 7
doi:10.1038/217007c0
PDF (267K)
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| | Advice from Harwell 8
doi:10.1038/217008a0
PDF (139K)
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| | Britain Sick 8
doi:10.1038/217008b0
PDF (323K)
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| | Mink in the Wild 9
doi:10.1038/217009a0
PDF (316K)
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| | Help for the Tropics 10
doi:10.1038/217010a0
PDF (133K)
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| | Bringing Gas Ashore 10
doi:10.1038/217010b0
PDF (133K)
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| | Hydraulics 10
doi:10.1038/217010c0
PDF (262K)
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| | More Reliable Pesticides 11
doi:10.1038/217011a0
PDF (134K)
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| | European Biologists 11
doi:10.1038/217011b0
PDF (134K)
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| | News and Views |  |
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| | What are X-Ray Stars? 12
doi:10.1038/217012a0
PDF (127K)
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| | The Truth about Stacking 12
Our Molecular Biology Correspondent
doi:10.1038/217012b0
PDF (253K)
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| | Making Safe Vaccines 13
A Correspondent
doi:10.1038/217013a0
PDF (132K)
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| | Muscle Meeting 13
A Correspondent
doi:10.1038/217013b0
PDF (264K)
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| | Earthquake in Turkey 14
doi:10.1038/217014a0
PDF (231K)
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| | Articles |  |
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| | European Nuclear Energy 16
NIGEL HAWKES
doi:10.1038/217016a0
PDF (254K)
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| | Is the Special Theory Right or Wrong?: Experimental Verifications of the Theory of Relativity 17
F. J. M. FARLEY, J. BAILEY & E. PICASSO
doi:10.1038/217017a0
Abstract & References | PDF (186K)
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| | Is the Special Theory Right or Wrong?: The Error in the Special Theory of Relativity 19
L. ESSEN
doi:10.1038/217019a0
References | PDF (120K)
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| | Is the Special Theory Right or Wrong?: The Case against the Special Theory of Relativity 19
HERBERT DINGLE
doi:10.1038/217019b0
References | PDF (254K)
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| | Is the Special Theory Right or Wrong?: Special Theory of Relativity 20
A. C. W. V. CLARKE
doi:10.1038/217020a0
PDF (134K)
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| | The Jodrell Bank Mark III Radio Telescope 21
H. P. PALMER & B. ROWSON
doi:10.1038/217021a0
Abstract & References | PDF (208K)
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| | Kinetics of Association of Carbon Monoxide with Haemoglobin at Low Temperature 23
R. BANERJEE, P. DOUZOU & A. LOMBARD
doi:10.1038/217023a0
Abstract & References | PDF (331K)
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| | Radio Emitting Electrons in the Galaxy and the Solar Modulation of Cosmic Rays 25
K. C. ANAND, R. R. DANIEL & S. A. STEPHENS
doi:10.1038/217025a0
Abstract & References | PDF (340K)
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| | Discrete Potentials in the Dark-adapted Eye of the Crab Limulus
28
JOHN E. DOWLING
doi:10.1038/217028a0
Abstract & References | PDF (406K)
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| | Detection of an Anisotropic Soft X-ray Background Flux 32
C. S. BOWYER, G. B. FIELD & J. E. MACK
doi:10.1038/217032a0
Abstract & References | PDF (339K)
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| | Conformational Relationship between the O–C–C–N+ System of Phospholipids and Substrates of Muscarinic and Cholinergic Systems 35
M. SUNDARALINGAM
doi:10.1038/217035a0
Abstract & References | PDF (284K)
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| | Pathogenic Effects of Rubella Virus on Embryos and Newborn Rats 38
EDWARD COTLIER, JEAN FOX, GEORGE BOHIGIAN, CLAUDIA BEATY & ALPHONSE DU PREE
doi:10.1038/217038a0
Abstract & References | PDF (670K)
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| | Letters | |
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| | Radio Sources in Opposite Directions as a Cosmological Test 41
JAN-ERIK SOLHEIM
doi:10.1038/217041a0
First paragraph & References | PDF (299K)
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| | Nova Model of Centaurus XR-2 43
P. J. EDWARDS
doi:10.1038/217043a0
First paragraph & References | PDF (215K)
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| | Extinction by Interstellar Silica Grains 44
R. F. KNACKE
doi:10.1038/217044a0
First paragraph & References | PDF (195K)
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| | Precipitated Electrons as a Cause of the Irregular Behaviour of the F
2 Region 45
MARSHA R. TORR & D. G. TORR
doi:10.1038/217045a0
First paragraph & References | PDF (95K)
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| | Evolutionary Processes and Reversals of the Earth's Magnetic Field 46
C. G. A. HARRISON
doi:10.1038/217046a0
First paragraph & References | PDF (244K)
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| | Group Analysis of Variance for Earthquake Location and Magnitude 47
B. A. BOLT & H. FREEDMAN
doi:10.1038/217047a0
First paragraph & References | PDF (257K)
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| | Late Tertiary Slumping on the Continental Slope of Southern Portugal 48
D. G. ROBERTS & A. H. STRIDE
doi:10.1038/217048a0
First paragraph & References | PDF (305K)
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| | Radio Emission from Geomagnetically Trapped Particles 50
C. C. HARVEY
doi:10.1038/217050a0
First paragraph & References | PDF (203K)
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| | Duration of Sensitive Period for Track Recording in Mica 51
F. M. RUSSELL
doi:10.1038/217051a0
First paragraph & References | PDF (228K)
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| | Acceleration Produced Electric Fields in Charcoal Bodies 52
P. A. DUNKERLEY
doi:10.1038/217052a0
First paragraph & References | PDF (224K)
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| | Effect of Pipe Diameter, Vibration Amplitude, and Fluid Viscosity on Pipe Flow 53
A. S. MORTON
doi:10.1038/217053a0
First paragraph & References | PDF (292K)
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| | Possible Systematic Error in the Measurement of Normal Stress Differences in Polymer Solutions in Steady Shear Flow 55
J. M. BROADBENT, A. KAYE, A. S. LODGE & D. G. VALE
doi:10.1038/217055a0
First paragraph & References | PDF (292K)
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| | Epitaxy as a Growth Factor in Urinary Calculi and Gallstones 56
KATHLEEN LONSDALE
doi:10.1038/217056a0
First paragraph & References | PDF (430K)
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| | Refractive Indices of Mixed Crystals of Phenazine and N-Oxyphenazine 58
A. M. GLAZER & S. PRAMATUS
doi:10.1038/217058a0
First paragraph & References | PDF (208K)
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| | Initiation of Free Radical Polymerization by Manganese Carbonyl and Carbon Tetrachloride 59
C. H. BAMFORD & R. DENYER
doi:10.1038/217059a0
First paragraph & References | PDF (204K)
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| | Adsorption Efficiency in the Collision of Molecular Oxygen with Clean Tungsten Surfaces 60
A. M. HORGAN & D. A. KING
doi:10.1038/217060a0
First paragraph & References | PDF (220K)
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| | Hückel Molecular Orbital Models for Heterocycles with Tetra-coordinated Phosphorus Atoms 61
R. VÎLCEANU, A. BALINT & Z. SIMON
doi:10.1038/217061a0
First paragraph & References | PDF (242K)
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| | Comparison of the Kinetics of Photo-synthetic Carbon Dioxide Fixation in Maize, Sugar Cane and Tobacco, and its Relation to Photorespiration 62
A. GOLDSWORTHY
doi:10.1038/217062a0
First paragraph & References | PDF (124K)
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| | Effect of Kinetin on the Phosphatase Enzymes of Acetabularia
62
T. SPENCER
doi:10.1038/217062b0
First paragraph & References | PDF (338K)
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| | Deficiency of Erythrocyte Nicotinamide Adenine Dinucleotide Nucleosidase (NADase) Activity in the Negro 64
WON G. NG, GEORGE N. DONNELL & W. R. BERGREN
doi:10.1038/217064a0
First paragraph & References | PDF (193K)
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| | Proteins and Haemoglobins of Salmon–Trout Hybrids 65
PETER J. HAEN & FERGUS J. O'ROURKE
doi:10.1038/217065a0
First paragraph & References | PDF (288K)
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| | Vitamin B12 Content of Aqueous Humour 67
C. I. PHILLIPS, R. G. AINLEY, P. VAN PEBORGH, E. J. WATSON-WILLIAMS & A. C. BOTTOMLEY
doi:10.1038/217067a0
First paragraph & References | PDF (213K)
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| | Iron Binding Properties of Saliva 68
PETER L. REILLY, PETER S. DAVIS & DONALD J. DELLER
doi:10.1038/217068a0
First paragraph & References | PDF (108K)
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| | Effects of Prostaglandins on Human Bronchial Muscle 69
W. J. F. SWEATMAN & H. O. J. COLLIER
doi:10.1038/217069a0
First paragraph & References | PDF (101K)
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| | New Test for Biological Identification of Bradykinin 70
H. EDERY
doi:10.1038/217070a0
First paragraph & References | PDF (129K)
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| | Changes in Iron Metabolism in Natives of 13,000 ft. brought down to Sea Level 70
A. O. CARMENA, A. SEGADE, F. J. CAVAGNARO & N. G. DE TESTA
doi:10.1038/217070b0
First paragraph & References | PDF (251K)
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| | Prostaglandin Content of Particulate and Supernatant Fractions of Rabbit Brain Homogenates 71
JUDY M. HOPKIN, E. W. HORTON & V. P. WHITTAKER
doi:10.1038/217071a0
First paragraph & References | PDF (214K)
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| | Modification of Uricaemia and the Excretion of Uric Acid Nitrogen by an Enzyme of Fungal Origin 72
P. KISSEL, M. LAMARCHE & R. ROYER
doi:10.1038/217072a0
First paragraph & References | PDF (317K)
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| | Sickling Phenomenon in Sheep 74
E. T. REES EVANS
doi:10.1038/217074a0
First paragraph & References | PDF (397K)
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| |
pO2 Levels in the Placental Circulation of the Mare and Ewe 76
R. S. COMLINE & M. SILVER
doi:10.1038/217076a0
First paragraph & References | PDF (233K)
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| | Effects of Noradrenaline and Adrenaline on Oxygen Consumption Rate and Arterial Blood Pressure in the Newborn Pig 77
J. LEBLANC & L. E. MOUNT
doi:10.1038/217077a0
First paragraph & References | PDF (234K)
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| | Respiration in Myocardium 78
DAVID R. CHALLONER
doi:10.1038/217078a0
First paragraph & References | PDF (232K)
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| | Reduction of Response Time for Potential in Salt Bridge Reference Electrodes for Electrophysiology 80
ALFRED STRICKHOLM
doi:10.1038/217080a0
First paragraph & References | PDF (265K)
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| | Evoked Potentials reflecting Interocular and Monocular Suppression 81
D. M. MACKAY
doi:10.1038/217081a0
First paragraph & References | PDF (398K)
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| | Antagonism of Presynaptic Inhibition in the Cuneate Nucleus by Picrotoxin 83
N. R. BANNA & S. J. JABBUR
doi:10.1038/217083a0
First paragraph & References | PDF (256K)
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| | Convulsant Action of Polyphenols 84
A. ANGEL & K. J. ROGERS
doi:10.1038/217084a0
First paragraph & References | PDF (263K)
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| | New Glandular Structure in the Kidney of Clarias batrachus (Linn.) 85
SHYAMA SHARMA
doi:10.1038/217085a0
PDF (145K)
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| | Effect of Haemoglobin on Experimental Infections with Pasteurella septica and Escherichia coli
86
J. J. BULLEN & HENRY J. ROGERS
doi:10.1038/217086a0
First paragraph & References | PDF (107K)
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| | Mechanism of Closure of the Aortic Valve 86
B. J. BELLHOUSE & F. H. BELLHOUSE
doi:10.1038/217086b0
First paragraph & References | PDF (243K)
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| | Cellular Immune Competence of Spleen Bursa and Thymus Cells 87
W. A. CAIN, M. D. COOPER & R. A. GOOD
doi:10.1038/217087a0
First paragraph & References | PDF (421K)
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| | Japanese Haemoglobin Variant 89
T. MIYAJI, Y. OHBA, K. YAMAMOTO, S. SHIBATA, I. IUCHI & M. TAKENAKA
doi:10.1038/217089a0
First paragraph & References | PDF (271K)
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| | Mycological Aspects of Diseased Atlantic Salmon 90
MARY R. STUART & HUBERT T. FULLER
doi:10.1038/217090a0
First paragraph & References | PDF (486K)
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| | Prey Selection: Oddity or Conspicuousness? 92
HELMUT C. MUELLER
doi:10.1038/217092a0
First paragraph & References | PDF (130K)
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| | Pigmentation in the Radial Nerve of Diadema antillarum
92
N. MILLOTT & H. OKUMURA
doi:10.1038/217092b0
First paragraph & References | PDF (248K)
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| | Vision Index for Isopod Crustacea related to Latitude and Depth 93
ROBERT J. MENZIES, ROBERT Y. GEORGE & GILBERT ROWE
doi:10.1038/217093a0
First paragraph & References | PDF (324K)
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| | Co-ordinated Neuromuscular Activity in Insect Spiracles at Sub-zero Temperatures 95
BARBARA N. BURKETT & H. A. SCHNEIDERMAN
doi:10.1038/217095a0
First paragraph & References | PDF (266K)
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| | Possibility of Investigating Movement in a Group of Ants by the Mössbauer Effect 96
T. BONCHEV, I. VASSEILEV, T. SAPUNDZHIEV & M. EVTIMOV
doi:10.1038/217096a0
First paragraph & References | PDF (322K)
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| | Changes in Membrane Impedance associated with a Cortical Contraction in the Egg of Xenopus laevis
98
D. GINGELL & J. F. PALMER
doi:10.1038/217098a0
First paragraph & References | PDF (432K)
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| | Skin Heterogenizing Virus 102
G. J. SVET-MOLDAVSKY, D. M. MKHEIDZE, A. L. LIOZNER & A. PH. BYKOVSKY
doi:10.1038/217102a0
First paragraph & References | PDF (385K)
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| | Holographic Model of Temporal Recall 104
H. C. LONGUET-HIGGINS
doi:10.1038/217104a0
First paragraph & References | PDF (120K)
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| | Book Reviews |  |
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| | Seals 105
L. HARRISON MATTHEWS reviews Seals of the World
By
Gavin Maxwell
doi:10.1038/217105a0
PDF (130K)
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| | Another Journal 105
G. PONTECORVO reviews Biochemical Genetics
Vol. 1, No. 1, June 1967. Edited by
Charles R. Shaw
doi:10.1038/217105b0
PDF (132K)
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| | In the Sub-Antarctic 105
M. W. HOLDGATE reviews Sub-Antarctic Sanctuary
Summertime on Macquarie Island. By
Mary E. Gillham
doi:10.1038/217105c0
PDF (276K)
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| | Reflective Zoology 106
D. J. AIDLEY reviews Invertebrate Structure and Function
By
E. J. W. Barrington
doi:10.1038/217106a0
PDF (276K)
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| | Bird's Egg Chemistry 107
JOHN McKENZIE reviews Biochemistry of the Avian Embryo
A Quantitative Analysis of Prenatal Development. By
Alexis L. Romanoff
doi:10.1038/217107a0
PDF (133K)
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| | Thymidine in Cells 107
A. J. S. DAVIES reviews Thymidine Metabolism and Cell Kinetics
By
J. E. Cleaver
doi:10.1038/217107b0
PDF (136K)
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| | Non Angeli Sed Aves 107
G. V. T. MATTHEWS reviews Radar Ornithology
By
Eric Eastwood
doi:10.1038/217107c0
PDF (278K)
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| | Waveguides in Theory 108
P. J. B. CLARRICOATS reviews The Theory of Waveguides and Cavities
By
R. A. Waldron and Theory of Waveguides and Cavity Resonators
By
Emile Argence & Théo Kahan
doi:10.1038/217108a0
PDF (143K)
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| | Today's Radio Telescopes 109
R. D. DAVIES reviews Radioastronomical Methods of Antenna Measurements
By
A. D. Kuz'min & A. E. Salomonovich
doi:10.1038/217109a0
PDF (143K)
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| | English for Germans 109
MARY LINDLEY reviews Dictionary of Science and Technology, English–German
Compiled and arranged by
A. F. Dorian
doi:10.1038/217109b0
PDF (145K)
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| | [Book Reviews] 110
doi:10.1038/217110a0
PDF (119K)
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| | Errata | |
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| | Erratum 110
doi:10.1038/217110b0
PDF (119K)
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| | Erratum 110
doi:10.1038/217110c0
PDF (119K)
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| | Erratum 110
doi:10.1038/217110d0
PDF (119K)
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| | Forthcoming Events | |
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| | Forthcoming Events 111
doi:10.1038/217111a0
PDF (163K)
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| | Appointments Vacant | |
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| | Appointments Vacant 111
doi:10.1038/217111b0
PDF (163K)
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| | Reports and other Publications | |
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| | Reports and other Publications 111
doi:10.1038/217111c0
PDF (304K)
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