| | Opinion |  |
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| | Black Arrow Aborts 357
doi:10.1038/232357a0
PDF (250K)
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| | Sheep and Goats 358
doi:10.1038/232358a0
PDF (281K)
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| | 100 Years Ago 359
doi:10.1038/232359a0
PDF (161K)
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| | Old World | |
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| | Gas Centrifuge: All Set for Bensberg 360
doi:10.1038/232360a0
PDF (127K)
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| | Scientists' Pay: Calm Before the Storm 360
doi:10.1038/232360b0
PDF (127K)
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| | Computers: No Breadline for ICL 360
doi:10.1038/232360c0
PDF (298K)
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| | Earthquake Research: What Future for Tokyo? 361
A Correspondent
doi:10.1038/232361a0
PDF (176K)
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| | Freshwater Biology 361
doi:10.1038/232361b0
PDF (303K)
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| | Astronomy: South African Debate 361
doi:10.1038/232361c0
PDF (178K)
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| | Space Policy: Black Arrow Scrapped 362
doi:10.1038/232362a0
PDF (295K)
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| | New World | |
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| | Davis Committee Exposes the Problems 364
Our Washington Correspondent
doi:10.1038/232364a0
PDF (243K)
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| | Pesticides in the Open 365
doi:10.1038/232365a0
PDF (128K)
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| | Atomic Energy: Seaborg to Leave AEC 366
Our Washington Correspondent
doi:10.1038/232366a0
PDF (150K)
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| | Uranium Enrichment 366
doi:10.1038/232366b0
PDF (150K)
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| | News and Views |  |
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| | New Baskets for Old 367
doi:10.1038/232367a0
PDF (123K)
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| | Filling the Dating Gap 367
doi:10.1038/232367b0
PDF (251K)
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| | Mechanism of Polarity in Dispute 368
doi:10.1038/232368a0
PDF (133K)
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| | History of Biology: A "Non-event" 369
A Correspondent
doi:10.1038/232369a0
PDF (127K)
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| | Galaxies: Circular Polarization 369
A Correspondent
doi:10.1038/232369b0
PDF (127K)
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| | Dybbuks and Tachyons 369
doi:10.1038/232369c0
PDF (252K)
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| | Seafloor Spreading: Chemical Rates ? 369
Our Geomagnetism Correspondent
doi:10.1038/232369d0
PDF (128K)
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| | Uniaxiolly Reinforced Nylon Composites 370
doi:10.1038/232370a0
PDF (263K)
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| | Haemoglobin: Structural Variants 370
Our Molecular Biology Correspondent
doi:10.1038/232370b0
PDF (133K)
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| | Marine Bands and Tonsteins revealed in Derbyshire 371
doi:10.1038/232371a0
PDF (258K)
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| | Stratigraphy: Fixing a Boundary 371
A Correspondent
doi:10.1038/232371b0
PDF (141K)
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| | Olfaction: Smells Left and Right 372
Our Membrane Correspondent
doi:10.1038/232372a0
PDF (125K)
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| | Some Pulsars May Emit Thermal X-rays 372
doi:10.1038/232372b0
PDF (125K)
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| | Nutrition: New Protein Foods 373
A Correspondent
doi:10.1038/232373a0
PDF (129K)
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| | Reverse Transcriptase: Templates for Caution 373
Our Cell Biology Correspondent
doi:10.1038/232373b0
PDF (255K)
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| | Oncogenicity of Cleaved Adenovirus DNA 373
doi:10.1038/232373c0
PDF (129K)
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| | Conservation: Rhinos Survive 374
A South African Correspondent
doi:10.1038/232374a0
PDF (130K)
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| | Structure and Base Composition in DNA 374
doi:10.1038/232374b0
PDF (130K)
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| | Articles |  |
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| | Value of Historical Records of Earthquakes 375
N. N. AMBRASEYS
doi:10.1038/232375a0
Abstract & References | PDF (447K)
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| | Discovery of Postcranial Remains of Homo erectus and Associated Artefacts in Bed IV at Olduvai Gorge, Tanzania 380
M. D. LEAKEY
doi:10.1038/232380a0
Abstract & References | PDF (436K)
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| | Postcranial Remains of Homo erectus from Bed IV, Olduvai Gorge, Tanzania 383
M. H. DAY
doi:10.1038/232383a0
Abstract & References | PDF (665K)
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| | Spatial Discrimination in the Cytoplasm during Microtubule Morphogenesis 387
J. B. TUCKER
doi:10.1038/232387a0
Abstract & References | PDF (440K)
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| | Letters | |
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| | Physical Sciences: Atmospheric Total Ozone Increase during the 1960s 390
W. D. KOMHYR, E. W. BARRETT, G. SLOCUM & H. K. WEICKMANN
doi:10.1038/232390a0
First paragraph & References | PDF (217K)
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| | Do Neutron Stars have an Ocean Surface? 391
B. CARTER & H. QUINTANA
doi:10.1038/232391a0
First paragraph & References | PDF (211K)
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| | The Hubble Constant and X-rays from Galaxy Clusters 393
PETER D. NOERDLINGER
doi:10.1038/232393a0
First paragraph & References | PDF (114K)
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| | Mercury in Water of the Tidal Thames 393
J. DAVID SMITH, R. A. NICHOLSON & P. J. MOORE
doi:10.1038/232393b0
First paragraph & References | PDF (247K)
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| | The Oxfordshire Coalfield 394
E. G. POOLE
doi:10.1038/232394a0
First paragraph & References | PDF (233K)
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| | Formation of 2,3,7,8-Tetrachlorodibenzodioxin by Thermal Decomposition of Sodium 2,4,5,-Trichlorophenate 395
M. H. MILNES
doi:10.1038/232395a0
First paragraph & References | PDF (220K)
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| | Biological Sciences: Identification of Primate Sexual Pheromones and the Properties of Synthetic Attractants 396
R. F. CURTIS, J. A. BALLANTINE, E. B. KEVERNE, R. W. BONSALL & RICHARD P. MICHAEL
doi:10.1038/232396a0
First paragraph & References | PDF (357K)
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| |
p-Chlorophenylalanine and Copulatory Behaviour in the Male Rat 398
CARL-OLOF MALMNÄS & BENGT J. MEYERSON
doi:10.1038/232398a0
First paragraph & References | PDF (342K)
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| |
p-Chlorophenylalanine facilitates Copulatory Behaviour in Male Rats 400
PATRICIA J. SALIS & DONALD A. DEWSBURY
doi:10.1038/232400a0
First paragraph & References | PDF (206K)
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| | Mate-seeking by Female Amblyomma maculatum (Acarina: Ixodidae) on a Bovine 401
WILLIAM J. GLADNEY
doi:10.1038/232401a0
First paragraph & References | PDF (214K)
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| | Systemic Action of an Insect Feeding Deterrent 402
J. S. GILL & C. T. LEWIS
doi:10.1038/232402a0
First paragraph & References | PDF (237K)
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| | HL-A Antigens on Human Trophoblast Cells 403
Y. W. LOKE, VALERIE C. JOYSEY & R. BORLAND
doi:10.1038/232403a0
First paragraph & References | PDF (332K)
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| | Transplantation of Radiation-induced Canine Myelomonocytic Leukaemia 405
MOSHE SHIFRINE, MARIE S. BULGIN, NANCY E. DOLLARHIDE, H. G. WOLF, NANCY J. TAYLOR, FLOYD D. WILSON, D. L. DUNGWORTH & YUAN-CHUNG ZEE
doi:10.1038/232405a0
First paragraph & References | PDF (212K)
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| | Persistent Corpora Lutea of Mice in a Cold Environment 406
S. A. BARNETT & KATHLEEN M. H. MUNRO
doi:10.1038/232406a0
First paragraph & References | PDF (198K)
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| | Molecular Pathology of Human Haemoglobin: Stereochemical Interpretation of Abnormal Oxygen Affinities 408
H. MORIMOTO, H. LEHMANN & M. F. PERUTZ
doi:10.1038/232408a0
First paragraph & References | PDF (467K)
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| | Ecology of the Fossil Hominoidea from the Siwaliks of India 413
K. N. PRASAD
doi:10.1038/232413a0
First paragraph & References | PDF (196K)
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| | Evaluation of Compound Probabilities in Sequential Choice 414
JOHN COHEN, E. I. CHESNICK & D. HARAN
doi:10.1038/232414a0
First paragraph & References | PDF (299K)
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| | Similarity Measure for Mixed Attribute Types 416
A. J. B. ANDERSON
doi:10.1038/232416a0
First paragraph & References | PDF (202K)
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| | Nitrogen Fixation and its Significance in Tropical Lake George, Uganda 417
A. J. HORNE & A. B. VINER
doi:10.1038/232417a0
First paragraph & References | PDF (217K)
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| | Bomb 14C in the Human Population 418
REIDAR NYDAL, KNUT LÖVSETH & ODDVEIG SYRSTAD
doi:10.1038/232418a0
First paragraph & References | PDF (392K)
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| | Cosmic Ray Flashes in the Eye 421
I. R. MCAULAY
doi:10.1038/232421a0
First paragraph & References | PDF (237K)
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| | Structure of Acetylcholine 422
WILLIAM H. BEERS & EDWARD REICH
doi:10.1038/232422a0
First paragraph & References | PDF (291K)
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| | Presence and Function of Disclinations in Surface Coats of Unicellular Organisms 423
F. R. N. NABARRO
doi:10.1038/232423a0
First paragraph & References | PDF (178K)
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| | Daucic Acid and its Occurrence in Plants 423
A. J. KEYS, C. J. LEAVER, D. H. R. BARTON, B. D. BROWN & D. A. WIDDOWSON
doi:10.1038/232423b0
First paragraph & References | PDF (282K)
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| | Book Reviews |  |
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| | The Academic Profession 425
ERIC ASHBY reviews The British Academics
By
A. H. Halsey & M. A. Trow
doi:10.1038/232425a0
PDF (129K)
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| | Heartfelt Tale 425
C. C. BOOTH reviews The History of Coronary Heart Disease
(New Series: Vol. xviii.) By
J. O. Leibowitz
doi:10.1038/232425b0
PDF (260K)
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| | Catching the Light 426
JOHN PATTERSON reviews Invertebrate Photoreceptors: a Comparative Analysis
By
Jerome J. Wolken
doi:10.1038/232426a0
PDF (135K)
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| | Snakes of Two Regions 426
GARTH UNDERWOOD reviews A Field Guide to the Snakes of Southern Africa
By
V. F. M. Fitz-Simons and The Snakes of Europe
By
J. W. Steward
doi:10.1038/232426b0
PDF (266K)
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| | Hodograph Equations 427
A. G. MACKIE reviews The Hodograph Equations: an Introduction to the Mathematical Theory of Plane Transonic Flow
By
A. R. Manwell
doi:10.1038/232427a0
PDF (136K)
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| | Ancient Astronomy 427
D. H. SADLER reviews Ancient Astronomical Observations and the Accelerations of the Earth and Moon
By
Robert R. Newton
doi:10.1038/232427b0
PDF (265K)
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| | Peculiar Stars 428
BERNARD PAGEL reviews Stellar Spectroscopy: Peculiar Stars
By
Margherita Hack & Otto Struve
doi:10.1038/232428a0
PDF (134K)
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| | Chemical Texts 428
H. M. FREY reviews Physical Methods of Chemistry
Edited by
Arnold Weissberger & Bryant W. Rossiter
doi:10.1038/232428b0
PDF (134K)
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| | Correspondence | |
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| | Science and Development 429
K. C. TRIPATHI
doi:10.1038/232429a0
PDF (114K)
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| | Obituary | |
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| | Sir W. Le Gros Clark 429
doi:10.1038/232429b0
PDF (243K)
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