| | Opinion |  |
 |
| | The Vatican and embryology 229
Last week's Instruction to Roman Catholics on in vitro fertilization and related matters is based on an unrealistic and insensitive appreciation of what modern science is like.
John Maddox
doi:10.1038/326229a0
PDF (279K)
|
|
| | European research crisis 230
The European Communities' research programme will be decided next week too lightheartedly.
doi:10.1038/326230a0
PDF (156K)
|
|
| | News | |
|
| | Europe underestimates cost of space programme 231
Bill Johnstone
doi:10.1038/326231a0
PDF (139K)
|
|
| | British Labour Party science policy 231
doi:10.1038/326231b0
PDF (139K)
|
|
| | Protropin status questioned by FDA decision 231
Carol Ezzell
doi:10.1038/326231c0
PDF (139K)
|
|
| | AIDS becomes a notifiable disease in Japan despite protests 232
David Swinbanks
doi:10.1038/326232a0
PDF (144K)
|
|
| | AIDS education programme in Japan 232
David Swinbanks
doi:10.1038/326232b0
PDF (144K)
|
|
| | Tests for AIDS in pregnancy on offer to all 232
Steven Dickman
doi:10.1038/326232c0
PDF (144K)
|
|
| | New director at BGS 232
doi:10.1038/326232d0
PDF (144K)
|
|
| | Cattle farming in the desert heat an unexpected success for Arabs 233
Peter Newmark
doi:10.1038/326233a0
PDF (169K)
|
|
| | 233
doi:10.1038/326233b0
PDF (169K)
|
|
| | New science minister 233
Steven Dickman
doi:10.1038/326233c0
PDF (169K)
|
|
| | Turk researchers harassed 233
Vera Rich
doi:10.1038/326233d0
PDF (169K)
|
|
| | Frank Press re-elected 233
Joseph Palca
doi:10.1038/326233e0
PDF (169K)
|
|
| | Change of heart signalled in Soviet–US health agreements 234
Joseph Palca
doi:10.1038/326234a0
PDF (150K)
|
|
| | Respite in sight for India's battered frogs 234
K. S. Jayaraman
doi:10.1038/326234b0
PDF (150K)
|
|
| | NASA launches wind-tunnel tests by Cray-2 supercomputer 235
Charles Petit
doi:10.1038/326235a0
PDF (149K)
|
|
| | Soviet Academy of Sciences make room for next generation 235
Vera Rich
doi:10.1038/326235b0
PDF (149K)
|
|
| | Howard Hughes Institute and tax collectors bury the hatchet 236
Joseph Palca
doi:10.1038/326236a0
PDF (162K)
|
|
| | Sizewell B reactor gains expected approval from UK government 236
Bill Johnstone
doi:10.1038/326236b0
PDF (162K)
|
|
| | Kazakh Academy scientists face party leaders' fury 237
Vera Rich
doi:10.1038/326237a0
PDF (143K)
|
|
| | Hocus pocus 237
John Maddox
doi:10.1038/326237b0
PDF (143K)
|
|
| | SERC admits funding crisis with no respite in the years ahead 237
Bill Johnstone
doi:10.1038/326237c0
PDF (143K)
|
|
| | Super conductivity 237
K. S. Jayaraman
doi:10.1038/326237d0
PDF (143K)
|
|
| | Correspondence | |
|
| | Problems of Portuguese science 238
WINCHIL L. C. VAZ
doi:10.1038/326238a0
PDF (145K)
|
|
| | Citation counts 238
GERAINT JOHNES
doi:10.1038/326238b0
PDF (145K)
|
|
| | New Zealand denial 238
J. N. PARLE
doi:10.1038/326238c0
PDF (145K)
|
|
| | University rows 238
MARCO FRACCARO
doi:10.1038/326238d0
PDF (145K)
|
|
| | News and Views |  |
|
| | Neutrinos from the supernova 239
Physicists appear to have reacted as promptly as the better-drilled astronomers to the opportunity presented by the explosion of a supernova in the Large Magellanic Cloud on 23 February.
David Lindley
doi:10.1038/326239a0
PDF (144K)
|
|
| | Engineering mutant mice 240
Brigid Hogan
doi:10.1038/326240a0
References | PDF (291K)
|
|
| | Competition among different taxa 241
Jared M. Diamond
doi:10.1038/326241a0
References | PDF (159K)
|
|
| | Receptor-operated Ca channels 242
Erwin Neher
doi:10.1038/326242a0
References | PDF (144K)
|
|
| | New perspectives on the history of ancient Maya civilization 242
Jeremy A. Sabloff
doi:10.1038/326242b0
References | PDF (264K)
|
|
| | Graham Goddard (1938–1987) 243
P. O. Andersen & T. V.P Bliss
doi:10.1038/326243a0
PDF (134K)
|
|
| | Global pollution measured by lead in mid-ocean sediments 244
Clair Patterson
doi:10.1038/326244a0
References | PDF (252K)
|
|
| | Problems in leaving the ark 245
Anna Marie Lyles & Robert M. May
doi:10.1038/326245a0
References | PDF (269K)
|
|
| | New light on old defects 247
Roger H. Pain
doi:10.1038/326247a0
References | PDF (144K)
|
|
| | Hilbert's sixteenth problem 248
Ian Stewart
doi:10.1038/326248a0
PDF (146K)
|
|
| | Scientific Correspondence | |
|
| | Immunization against AIDS in humans 249
DANIEL ZAGURY, RÉGINE LÉONARD, MICHÉLE FOUCHARD, BRIGITTE RÉVEIL, JACKY BERNARD, DANIÉLE ITTELÉ, ALBERT CATTAN, LURHUMA ZIRIMWABAGABO, MBAYO KALUMBU, WANE JUSTIN, JEAN-JACQUES SALAUN & BERNARD GOUSSARD
doi:10.1038/326249a0
References | PDF (279K)
|
|
| | Cell fusion in viral diseases 250
CHARLES CHANY, FRANÇOISE CHANY-FOURNIER & OLIVIER ROBAIN
doi:10.1038/326250a0
References | PDF (149K)
|
|
| | Polar ice test of the scale dependence of G
250
A. D. CHAVE, M. A. ZUMBERGE, M. E. ANDER, J. A. HILDEBRAND & F. N. SPIESS
doi:10.1038/326250b0
References | PDF (286K)
|
|
| | Mendel's legacy remains untarnished 251
C. R. B. JOYCE
doi:10.1038/326251a0
References | PDF (149K)
|
|
| | Are 'pragmatypes' acceptable? 251
R. H. L. DISNEY
doi:10.1038/326251b0
References | PDF (149K)
|
|
| | Search for natural isotope superlattices 252
ALEXANDER A. BEREZIN
doi:10.1038/326252a0
References | PDF (150K)
|
|
| | Amorphous definitions and glasses 252
CHARLES KITTEL
doi:10.1038/326252b0
References | PDF (150K)
|
|
| | Lung surfactant anchor 252
COWAN MEBAN
doi:10.1038/326252c0
References | PDF (150K)
|
|
| | Book Reviews |  |
|
| | The stamp of greatness 253
W.F. Bynum reviews The Correspondence of Charles Darwin, Vol. 2 1837–1843
Edited by
Frederick Burkhardt, Sydney Smith & David Kohn
doi:10.1038/326253a0
PDF (270K)
|
|
| | Symmetrical work 254
Paul K. Townsend reviews Supersymmetry: A Decade of Development
Edited by
P. C. West, Prem P. Srivastava, P. West, Peter G.O. Freund & Rabindra N. Mohapatra
doi:10.1038/326254a0
PDF (154K)
|
|
| | Black holes made easy 255
William H. Press reviews Black Holes: The Membrane Paradigm
Edited by
Kip S. Thorne, Richard H. Price & Douglas A. Macdonald
doi:10.1038/326255a0
PDF (149K)
|
|
| | Of barriers and carriers 255
S. R. Caplan reviews Principles and Models of Biological Transport
By
Morton H. Friedman
doi:10.1038/326255b0
PDF (149K)
|
|
| | Birdlife down on the farm 256
John Andrews reviews Farming and Birds
By
Raymond J. O'Connor & Michael Shrubb
doi:10.1038/326256a0
PDF (134K)
|
|
| | Review | |
|
| | Seismological measurement of stellar ages 257
Douglas Gough
doi:10.1038/326257a0
Abstract & References | PDF (347K)
|
|
| | Article |  |
|
| | A genetic pathway for the specification of the vulval cell lineages of Caenorhabditis elegans
259
Edwin L. Ferguson, Paul W. Sternberg & H. Robert Horvitz
doi:10.1038/326259a0
Abstract & References | PDF (1,059K)
|
|
| | Letters | |
|
| | Is 3C324 the first gravitationally lensed giant galaxy? 268
O. Le Fèvre, F. Hammer, L. Nottale & G. Mathez
doi:10.1038/326268a0
First paragraph & References | PDF (272K)
|
|
| | The optical polarization of the Sun measured at a sensitivity of parts in ten million 270
J. C. Kemp, G. D. Henson, C. T. Steiner & E. R. Powell
doi:10.1038/326270a0
First paragraph & References | PDF (490K)
|
|
| | Evidence for two intervals of enhanced 10Be deposition in Antarctic ice during the last glacial period 273
G. M. Raisbeck, F. Yiou, D. Bourles, C. Lorius, J. Jouzel & N. I. Barkov
doi:10.1038/326273a0
First paragraph & References | PDF (499K)
|
|
| | Interpreting the anholonomy of coiled light 277
M. V. Berry
doi:10.1038/326277a0
First paragraph & References | PDF (218K)
|
|
| | Evidence of recent lead pollution in deep north-east Atlantic sediments 278
Alain Veron, Claude E. Lambert, Ann Isley, Philippe Linet & Francis Grousset
doi:10.1038/326278a0
PDF (425K)
|
|
| | Ultra-high resolution 29Si MAS NMR spectra of highly siliceous zeolites 281
C. A. Fyfe, J. H. O'Brien & H. Strobl
doi:10.1038/326281a0
First paragraph & References | PDF (352K)
|
|
| | Cerium isotope geochemistry of ocean island basalts 283
A. P. Dickin
doi:10.1038/326283a0
First paragraph & References | PDF (241K)
|
|
| | Early agriculture and early Postclassic Maya occupation in western Honduras 285
David J. Rue
doi:10.1038/326285a0
First paragraph & References | PDF (236K)
|
|
| | Use of non-arbitrary acoustic criteria in mate choice by female gray tree frogs 286
Georg M. Klump & H. Carl Gerhardt
doi:10.1038/326286a0
First paragraph & References | PDF (355K)
|
|
| | Genetic linkage between X-chromosome markers and bipolar affective illness 289
Miron Baron, Neil Risch, Rahel Hamburger, Batsheva Mandel, Stuart Kushner, Michael Newman, Dov Drumer & Robert H. Belmaker
doi:10.1038/326289a0
First paragraph & References | PDF (437K)
|
|
| | HPRT-deficient (Lesch–Nyhan) mouse embryos derived from germline colonization by cultured cells
292
Martin Hooper, Kate Hardy, Alan Handyside, Susan Hunter & Marilyn Monk
doi:10.1038/326292a0
First paragraph & References | PDF (494K)
|
|
| | A potential animal model for Lesch–Nyhan syndrome through introduction of HPRT mutations into mice 295
Michael R. Kuehn, Allan Bradley, Elizabeth J. Robertson & Martin J. Evans
doi:10.1038/326295a0
First paragraph & References | PDF (549K)
|
|
| | Alternative pathway activation of T cells by binding of CD2 to its cell-surface ligand
298
T. Hünig, G. Tiefenthaler, K.-H. Meyer zum Büschenfelde & S. C. Meuer
doi:10.1038/326298a0
First paragraph & References | PDF (493K)
|
|
| | Ion channels activated by inositol 1,4,5-trisphosphate in plasma membrane of human T-lymphocytes 301
Miyuki Kuno & Phyllis Gardner
doi:10.1038/326301a0
First paragraph & References | PDF (476K)
|
|
| | HLA class II induction in human islet cells by interferon- plus tumour necrosis factor or lymphotoxin
304
Ricardo Pujol–Borrell, Ian Todd, Mala Doshi, Gian Franco Bottazzo, Robert Sutton, Derek Gary, Gunther R. Adolf & Marc Feldmann
doi:10.1038/326304a0
First paragraph & References | PDF (470K)
|
|
| | Dominance of one T-cell receptor in the H–2Kb/TNP response 307
Ute Hochgeschwender, Hans-Georg Simon, Hans Ulrich Weltzien, Frauke Bartels, Andrea Becker & Jörg T. Epplen
doi:10.1038/326307a0
First paragraph & References | PDF (388K)
|
|
| | Possible role for fatty acyl-coenzyme A in intracellular protein transport 309
Benjamin S. Glick & James E. Rothman
doi:10.1038/326309a0
First paragraph & References | PDF (482K)
|
|
| | Stimulation of protein-directed strand exchange by a DNA helicase
312
Thomas Kodadek & Bruce M. Alberts
doi:10.1038/326312a0
First paragraph & References | PDF (385K)
|
|
| | Product Reviews | |
|
| | Amino-terminal processing of proteins 315
A. Ben-Bassat & K. Bauer
doi:10.1038/326315a0
Abstract & References | PDF (147K)
|
|
| | A glimpse of Bio-Expo 316
Carol Ezzell
doi:10.1038/326316a0
PDF (158K)
|
|
