| | Opinion |  |
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| | Science and the Nature of Politics 301
doi:10.1038/196301a0
PDF (355K)
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| | Book Reviews |  |
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| | Rothschild Collection of Fleas 304
ROBERT TRAUB reviews An Illustrated Catalogue of the Rothschild Collection of Fleas (Siphonaptera) in the British Museum (Natural History)
By
G. H. E. Hopkins & Miriam Rothschild
doi:10.1038/196304a0
PDF (129K)
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| | Organic Chemical Methods 304
R. G. R. BACON reviews Methoden der Organischen Chemie
Von
J. Houben & Th. Weyl
doi:10.1038/196304b0
PDF (259K)
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| | Chemistry of Lithium and Sodium 305
J. R. PARTINGTON reviews Supplement to Mellor's Comprehensive Treatise on Inorganic and Theoretical Chemistry
doi:10.1038/196305a0
PDF (254K)
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| | Scientific Method 306
H. D. ANTHONY reviews The Development of Scientific Method
By
W. S. Fowler
doi:10.1038/196306a0
PDF (123K)
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| | Spelæology in Britain 306
M. M. SWEETING reviews British Caving
An Introduction to Speleology. Edited by
C. H. D. Cullingford
doi:10.1038/196306b0
PDF (123K)
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| | Articles |  |
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| | Nuclear Explosions in Space 307
S. F. SINGER
doi:10.1038/196307a0
References | PDF (931K)
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| | Substitution of Stone Tools for Bone Tools at Makapansgat 314
RAYMOND A. DART
doi:10.1038/196314a0
References | PDF (467K)
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| | Fiftieth Anniversary of the Strangeways Research Laboratory, Cambridge 1912–62 316
HONOR B. FELL
doi:10.1038/196316a0
PDF (476K)
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| | Obituaries | |
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| | Dr. Harry Wexler 318
GRAHAM SUTTON
doi:10.1038/196318a0
PDF (240K)
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| | Dr. F. R. Irvine 319
F. N. HEPPER
doi:10.1038/196319a0
PDF (120K)
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| | News and Views |  |
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| | Nobel Laureates in Medicine : Drs. F. H. C. Crick, F.R.S., M. H. F. Wilkins, F.R.S., and Prof. W. Watson 319
doi:10.1038/196319b0
PDF (120K)
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| | History of Science and Technology at Imperial College: Prof. A. R. and Mrs. Hall 319
doi:10.1038/196319c0
PDF (249K)
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| | Materials Science and Engineering at M.I.T.: Prof. R. A. Smith, C.B.E., F.R.S. 320
doi:10.1038/196320a0
PDF (133K)
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| | Director-General of the Indian C.I.S.R.: Dr. Syed Husain Zaheer 320
doi:10.1038/196320b0
PDF (133K)
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| | CERN Research Directorate: Prof. G. Puppi 320
doi:10.1038/196320c0
PDF (133K)
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| | The Strangeways Research Laboratory 320
doi:10.1038/196320d0
PDF (133K)
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| | British Participation in the Indian Ocean Expedition 320
doi:10.1038/196320e0
PDF (262K)
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| | The Engineering Institutions Joint Council 321
doi:10.1038/196321a0
PDF (133K)
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| | Automatic Weather Station 321
doi:10.1038/196321b0
PDF (133K)
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Biorheology
321
doi:10.1038/196321c0
PDF (133K)
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| | A Directory of British Scientists 321
doi:10.1038/196321d0
PDF (133K)
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| | A Bibliography of Plastics 321
doi:10.1038/196321e0
PDF (257K)
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| | Lalor Grants and Awards for 1963 322
doi:10.1038/196322a0
PDF (128K)
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| | The Perkin Centenary Trust: Awards 322
doi:10.1038/196322b0
PDF (128K)
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| | Research Assistantships and Fellowships in Forestry 322
doi:10.1038/196322c0
PDF (128K)
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| | Announcements | |
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| | Announcements 322
doi:10.1038/196322d0
PDF (128K)
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| | News | |
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| | Scientists in the Public Service: Promotion of Individual Research Workers 323
doi:10.1038/196323a0
PDF (224K)
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| | Spectroscopy in the Metallurgical Industry 325
L. BOVEY
doi:10.1038/196325a0
PDF (238K)
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| | The Ontario Research Foundation 326
doi:10.1038/196326a0
PDF (113K)
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| | Engineering Developments in the British Broadcasting Corporation 326
R. L. SMITH-ROSE
doi:10.1038/196326b0
PDF (235K)
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| | The John Innes Institute 327
doi:10.1038/196327a0
PDF (122K)
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| | International Weights and Measures 328
S. WEINTROUB
doi:10.1038/196328a0
PDF (90K)
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| | Articles | |
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| | A Radioisotope Technique for Tracing Air Movements in Clear Air and in Clouds 328
R. A. FOOKES, J. S. WATT & J. A. WARBURTON
doi:10.1038/196328b0
PDF (186K)
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| | Mechanisms of the Wear of Graphite Sliding on Steel–with and Without an Electric Current Passing Across the Interface 329
J. E. THOMPSON & M. J. B. TURNER
doi:10.1038/196329a0
References | PDF (385K)
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| | Mode Sequences in Ruby Laser Emission 332
T. P. HUGHES & K. M. YOUNG
doi:10.1038/196332a0
References | PDF (427K)
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| | Electron Spin Resonance in Wood-Grinding and Wood-Pulping 334
T. N. KLEINERT & J. R. MORTON
doi:10.1038/196334a0
References | PDF (332K)
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| | Electrophoretic and Immunological Characteristics of Native and Purified Human Growth Hormone 336
SELNA L. KAPLAN & MELVIN M. GRUMBACH
doi:10.1038/196336a0
References | PDF (437K)
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| | Cytochemical Observations on the Effect of PhytohÆmagglutinin in Short-Term Tissue Cultures 338
D. QUAGLINO, F. G. J. HAYHOE & R. J. FLEMANS
doi:10.1038/196338a0
References | PDF (413K)
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| | Chemical Stimulation of the Peripheral Trigeminal Nerve 341
WILLIAM W. DAWSON
doi:10.1038/196341a0
References | PDF (673K)
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| | Problems of Ethylene Metabolism 345
D. F. MEIGH
doi:10.1038/196345a0
References | PDF (352K)
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| | Synthesis of HÆmoglobin in Relation to the Maturation of Erythroid Cells 347
HENRY BORSOOK, JERRY B. LINGREL, JOSE L. SCARO & ROBERT L. MILLETTE
doi:10.1038/196347a0
References | PDF (468K)
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| | Respiratory and Swimming Movements in the Cephalopod Cranchia Scabra
351
MALCOLM R. CLARKE
doi:10.1038/196351a0
References | PDF (181K)
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| | Eliminative Response in the Albino Hamster 352
E. TOBACH & P. GOLD
doi:10.1038/196352a0
References | PDF (402K)
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| | Immune Response in the California Hagfish 355
BEN W. PAPERMASTER, RICHARD M. CONDIE & ROBERT A. GOOD
doi:10.1038/196355a0
References | PDF (349K)
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| | Effect of Parasitism On Gram-Positive Bacteria, With Reference to the Origin of Certain Types Of Virus 357
PHYLLIS PEASE & K. A. BISSET
doi:10.1038/196357a0
References | PDF (363K)
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| | Genetic Control of Tolerance to Tetra- and Penta-Chloronitrobenzene in Hypomyces Solani F. Cucurbitae
359
S. G. GEORGOPOULOS
doi:10.1038/196359a0
References | PDF (266K)
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| | Subjective Value of A 'BIT' of Information 360
JOHN COHEN & PETER COOPER
doi:10.1038/196360a0
PDF (255K)
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| | Letters | |
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| | Finite Universe and Mach's Principle 362
H. DEHNEN & H. HöNL
doi:10.1038/196362a0
First paragraph & References | PDF (195K)
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| | Finite Universe and Mach's Principle 363
I. OZSVÁTH & E. SCHÜCKING
doi:10.1038/196363a0
PDF (106K)
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| | An All-Sky Photometer 363
P. V. KULKARNI
doi:10.1038/196363b0
First paragraph & References | PDF (222K)
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| | Fitting the Continents 364
JOHN G. DENNIS
doi:10.1038/196364a0
First paragraph & References | PDF (121K)
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| | Kenya Ignimbrites 364
C. M. BRISTOW
doi:10.1038/196364b0
First paragraph & References | PDF (249K)
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| | Kenya Ignimbrites 365
G. J. H. MCCALL
doi:10.1038/196365a0
First paragraph & References | PDF (369K)
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| | Radiation Enhancement following Johnston Island Thermonuclear Explosion 367
P. J. EDWARDS, A. G. FENTON, K. B. FENTON, J. G. GREENHILL & N. R. PARSONS
doi:10.1038/196367a0
First paragraph & References | PDF (104K)
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| | Laboratory Test of the Finlay-Freundlich Red Shift Hypothesis 367
R. A. ALPHER
doi:10.1038/196367b0
First paragraph & References | PDF (217K)
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| | Elastic Deformation and the Wear of Electrographite 368
J. K. LANCASTER
doi:10.1038/196368a0
First paragraph & References | PDF (375K)
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| | Path Integral Formulation of Relativistic Quantum Mechanics 370
M. C. GOODALL
doi:10.1038/196370a0
First paragraph & References | PDF (112K)
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| | Isotropic Exchange Integral for Cupric Acetate Monohydrate Crystals 370
A. MOOKHERJI & S. C. MATHUR
doi:10.1038/196370b0
First paragraph & References | PDF (245K)
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| | Vibrational Spectra and Structure of the Tricyanomethanide Ion C(CN)-
3
371
D. A. LONG, R. A. G. CARRINGTON & R. B. GRAVENOR
doi:10.1038/196371a0
First paragraph & References | PDF (244K)
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| | Reactions of Sulphoxides with Phosphorus Compounds and Reactive Organic Halides 372
S. K. RAY, R. A. SHAW & B. C. SMITH
doi:10.1038/196372a0
First paragraph & References | PDF (107K)
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| | Structures of Sepiapterin and Isosepiapterin 372
H. S. FORREST & SABURO NAWA
doi:10.1038/196372b0
First paragraph & References | PDF (220K)
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| | Ionization Potential of NO2
373
J. E. COLLIN
doi:10.1038/196373a0
First paragraph & References | PDF (242K)
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| | Purification of Streptolysin O 374
J. E. ALOUF & M. RAYNAUD
doi:10.1038/196374a0
First paragraph & References | PDF (254K)
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| | Quantitative Extraction of Acid-soluble Human Skin Collagen with Age 375
S. BAKERMAN
doi:10.1038/196375a0
First paragraph & References | PDF (241K)
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| | Ultra-violet /Absorption Spectra of Simple Aliphatic Guanidines 376
I. SZILÁGYI, T. VÁLYI-NAGY & T. KERESZTES
doi:10.1038/196376a0
First paragraph & References | PDF (234K)
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| | Isolation of Aspartic Acid Activating Enzyme from Bakers' Yeast 377
ESAM MOUSTAFA & GEORGE PETERSEN
doi:10.1038/196377a0
First paragraph & References | PDF (231K)
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| | Repetitive Activation of Motor Nerve Endings 378
JOHN I. HUBBARD & ROBERT F. SCHMIDT
doi:10.1038/196378a0
First paragraph & References | PDF (230K)
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| | Essential Absence of Glucose in the F tal Fluids of the Sheep 379
A. ST. G. HUGGETT & D. A. NIXON
doi:10.1038/196379a0
First paragraph & References | PDF (120K)
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| | Importance of Calcium for Acetylcholine-evoked Salivary Secretion 379
W. W. DOUGLAS & A. M. POISNER
doi:10.1038/196379b0
First paragraph & References | PDF (236K)
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| | Effect of Tri-iodothyronine on Ethanol Metabolism in the Dog 380
F. W. KINARD, M. G. HAY & F. W. KINARD JUN.
doi:10.1038/196380a0
First paragraph & References | PDF (231K)
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| | Variability of Twitch Potentiation in Frog Skeletal Muscle 381
ALLEN ISAACSON
doi:10.1038/196381a0
First paragraph & References | PDF (227K)
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| | Pharmacologically Active Extracts from Oak Gall 382
P. A. BERRY, J. A. HOLGATE & I. M. LOCKHART
doi:10.1038/196382a0
First paragraph & References | PDF (117K)
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| | Effects of Thiols on Oxytocin and Vasopressin Receptors 382
P. J. MARTIN & H. O. SCHILD
doi:10.1038/196382b0
First paragraph & References | PDF (212K)
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| | Rate of Cell Proliferation in a Mouse Squamous Cell Carcinoma 383
ARNE EVENSEN & OLAV HILMAR IVERSEN
doi:10.1038/196383a0
First paragraph & References | PDF (220K)
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| | A Screen for Agents inhibiting the Immune Response and the Growth of Tumours 384
M. C. BERENBAUM
doi:10.1038/196384a0
First paragraph & References | PDF (223K)
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| | Kidney Specific Antigen and its Species Distribution 385
R. C. NAIRN, T. GHOSE, J. E. FOTHERGILL & M. G. McENTEGART
doi:10.1038/196385a0
First paragraph & References | PDF (290K)
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| | Malic Enzyme Activity in Apple Fruit 387
D. R. DILLEY
doi:10.1038/196387a0
First paragraph & References | PDF (208K)
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| | Separation of the Enzymes present in the Mitochondrial Fraction from Apple Peel 388
A. C. HULME & L. S. C. WOOLTORTON
doi:10.1038/196388a0
First paragraph & References | PDF (243K)
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| | Effects of Kinetin and Other Plant Growth Regulators on Starch Degradation 389
D. BOOTHBY & S. T. C. WRIGHT
doi:10.1038/196389a0
First paragraph & References | PDF (220K)
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| | Growth of Nardus strictaon a Calcareous Soil 390
D. B. JAMES
doi:10.1038/196390a0
First paragraph & References | PDF (199K)
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| | Dyes as Artificial Hatching Agents for Beet Eelworm, Heterodera schachtii Schm. 391
AUDREY M. SHEPHERD
doi:10.1038/196391a0
First paragraph & References | PDF (208K)
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| | Urinary 3-Methoxy-4-Hydroxymandelic Acid Excretion and Serum Electro-phoretic Patterns in the Normal and Bloated Bovine 392
I. A. DYER, W. E. HAM & MERLE LARSON
doi:10.1038/196392a0
First paragraph & References | PDF (111K)
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| | Viral Interference induced in Mice by Acute or Persistent Infection with the Virus of Lymphocytic Choriomeningitis 393
ROBERT R. WAGNER & RUTH M. SNYDER
doi:10.1038/196393a0
First paragraph & References | PDF (229K)
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| | Method for Distinguishing between Human and Mouse Cells in Tissue Cultures 394
S. FEDOROFF
doi:10.1038/196394a0
First paragraph & References | PDF (306K)
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| | Fine Structure of Chromosomes in the Mitotic Prophase of Ascites Tumour Cells 395
G. YASUZUMI & R. SUGIHARA
doi:10.1038/196395a0
First paragraph & References | PDF (306K)
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| | Preliminary Studies on the Basis of Cytoplasmic Inheritance in Ambæ 396
SHIRLEY E. HAWKINS, R. J. COLE & J. F. DANIELLI
doi:10.1038/196396a0
First paragraph & References | PDF (111K)
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| | Forthcoming Events | |
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| | Forthcoming Events 397
doi:10.1038/196397a0
PDF (144K)
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| | Appointments Vacant | |
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| | Appointments Vacant 397
doi:10.1038/196397b0
PDF (309K)
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| | Reports and other Publications | |
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| | Reports and other Publications 398
doi:10.1038/196398a0
PDF (165K)
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