Table of contents
Volume 319 Number 6053 pp435-522
In this issue (6 February 1986)
Also this week
Opinion
Why did Challenger matter? p435
The loss last week of the US shuttle Challenger has in some sense shocked the world. It would be good if it helped the United States to a better programme.
doi: 10.1038/319435a0
End of the road? p436
The British seem to be retreating from the plan to form a strong centre of clinical research.
doi: 10.1038/319436a0
Giving bugs the vote p436
The row about the use of genetically engineered bacteria should be stopped.
doi: 10.1038/319436b0
News
US space research: Nobody knows what will happen next p437
Tim Beardsley
doi: 10.1038/319437a0
SDI on campus p437
Tim Beardsley
doi: 10.1038/319437b0
France waits in the wings p438
Robert Walgate
doi: 10.1038/319438a0
Marine satellites: Japan offers free data p438
David Swinbanks
doi: 10.1038/319438b0
Voyager 2: Uranus is something else again p439
Tim Beardsley
doi: 10.1038/319439a0
Soviet environment: Now pollution on television p439
Vera Rich
doi: 10.1038/319439b0
Animal welfare: OTA squares circle of dissent p440
Joseph Palca
doi: 10.1038/319440a0
Guidelines off p440
Joseph Palca
doi: 10.1038/319440b0
Preaching to converts p440
Karen Wright
doi: 10.1038/319440c0
Pacific volcano: Transient Iwojima calf p441
David Swinbanks
doi: 10.1038/319441a0
Trials on ice p441
Joseph Palca
doi: 10.1038/319441b0
AIDS: Academy looks for strategy p441
Joseph Palca
doi: 10.1038/319441c0
British clinical research: Shotgun merger proposed p442
Peter Newmark
doi: 10.1038/319442a0
MRC attacked p442
Peter Newmark
doi: 10.1038/319442b0
Budget of INSERM grows p442
Robert Walgate
doi: 10.1038/319442c0
Bulgar identity: Proofs of ethnic purity advanced p443
Vera Rich
doi: 10.1038/319443a0
EPA expansion urged p443
Tim Beardsley
doi: 10.1038/319443b0
Marine science: Changes afoot p443
Peter Gambles
doi: 10.1038/319443c0
Correspondence
Remote viewing exposed p444
DAVID MARKS and CHRISTOPHER SCOTT
doi: 10.1038/319444a0
No sexism please p444
ANN S. HOBBS
doi: 10.1038/319444b0
Future UNESCO p444
W. OKERA
doi: 10.1038/319444c0
Catastrophism p444
W. STANNAGE
doi: 10.1038/319444d0
Eureka! p444
PHILIP J. STEWART
doi: 10.1038/319444e0
News and Views
Galactic voids may be statistical p445
Excitement in the past few years about the apparent clumpiness of galactic clusters, leaving empty spaces in between, may be misplaced.
John Maddox
doi: 10.1038/319445a0
Palaeontology: New fossil finds in old rocks p446
S.M. Awramik
doi: 10.1038/319446a0
Developmental genes: Mediators of cell communication? p447
Michael Akam
doi: 10.1038/319447a0
Sources of basic magmas p448
R.N. Thompson
doi: 10.1038/319448a0
[News & Views 'picture story'] p449
doi: 10.1038/319449a0
How small was the bottleneck? p449
J. S. Jones and S. Rouhani
doi: 10.1038/319449b0
New results from Exosat p451
A.C. Fabian
doi: 10.1038/319451a0
Neurobiology: Microcircuits to see by p452
Gordan M. Shepherd
doi: 10.1038/319452a0
Rings and a moon of the planet Uranus p453
doi: 10.1038/319453a0
Scientific Correspondence
Large computers key to aggregation phenomena p454
R. BOTET and R. JULLIEN
doi: 10.1038/319454a0
Minimum energy configurations p454
M.G. CALKIN, D. KIANG and D.A. TINDALL
doi: 10.1038/319454b0
Book Reviews
All change for the RI p455
Roy Porter
doi: 10.1038/319455a0
Looking beyond Bohr p456
Philip Pearle
doi: 10.1038/319456a0
What is theoretical biology? p457
Lee A. Segel
doi: 10.1038/319457a0
On the track of an epidemic p457
Richard S. Tedder
doi: 10.1038/319457b0
Current prospects p458
Daniel D. Eley
doi: 10.1038/319458a0
[Book Reviews 'picture story'] p458
doi: 10.1038/319458b0
Articles
Optical synchrotron emission in the southern lobe of 3C33 p459
K. Meisenheimer* and H.-J. Röser
doi: 10.1038/319459a0
Homologies in both primary and secondary structure between nuclear envelope and intermediate filament proteins p463
Frank D. McKeon*, Marc W. Kirschner* and Daniel Caput†, ‡
doi: 10.1038/319463a0
Letters to Nature
Quasi-periodic oscillations in the X-ray flux of Cyg X-2 p469
G. Hasinger*, A. Langmeier*, M. Sztajno*, J. Trümper*, W. H. G. Lewin†, § and N. E. White‡
doi: 10.1038/319469a0
How old is Cygnus A? p471
M. J. Spinks, W. G. Rees and P. J. Duffett-Smith
doi: 10.1038/319471a0
Ionic origins of carbenes in space p473
Diethard K. Bohme
doi: 10.1038/319473a0
An intense cold core eddy in the North-East Atlantic p474
S. L. Kupferman*, G. A. Becker†, W. F. Simmons‡, U. Schauer†, M. G. Marietta* and H. Nies†
doi: 10.1038/319474a0
Nd−Sr−Pb isotope constraints on the sources of West Maui volcano, Hawaii p478
E. Hegner*, †, D. Unruh* and M. Tatsumoto*
doi: 10.1038/319478a0
Carbon and sulphur isotopic composition of Kilauea parental magma p480
Terrence M. Gerlach and Donald M. Thomas
doi: 10.1038/319480a0
Calcium anomalies in the mantle and a subducted metaserpentinite origin for diamonds p483
Daniel J. Schulze*
doi: 10.1038/319483a0
Mechanism of aqueous dissolution of silicate glasses yielded by fission tracks p485
J.-C. Dran*, J.-C. Petit† and C. Brousse†
doi: 10.1038/319485a0
Pb−Pb systematics of Lewisian gneisses—implications for crustal differentiation p488
M. J. Whitehouse and S. Moorbath
doi: 10.1038/319488a0
Stromatolites from the 3,300−3,500-Myr Swaziland Supergroup, Barberton Mountain Land, South Africa p489
Gary R. Byerly, Donald R. Lower and Maud M. Walsh
doi: 10.1038/319489a0
Evolutionary relationships of human populations from an analysis of nuclear DNA polymorphisms p491
J. S. Wainscoat, A. V. S. Hill, A. L. Boyce*, J. Flint, M. Hernandez, S. L. Thein, J. M. Old, J. R. Lynch, A. G. Falusi†, D. J. Weatherall and J. B. Clegg
doi: 10.1038/319491a0
Crabs that breathe air with their legs-Scopimera and Dotilla p493
David P. Maitland
doi: 10.1038/319493a0
Ganglion cell dendrites are presynaptic in catfish retina p495
Hiroko M. Sakai, Ken-Ichi Naka and John E. Dowling
doi: 10.1038/319495a0
Different factors from the central nervous system and periphery regulate the survival of sensory neurones p497
Alun M. Davies, Hans Thoenen and Yves-Alain Barde
doi: 10.1038/319497a0
Proliferating bipotential glial progenitor cells in adult rat optic nerve p499
Charles ffrench-Constant and Martin C. Raff
doi: 10.1038/319499a0
Restricted recognition of 
2-microglobulin by cytotoxic T lymphocytes p502
Hans-Georg Rammensee*, †, Peter J. Robinson‡, Andrea Crisanti* and Michael J. Bevan†
doi: 10.1038/319502a0
Two roles for guanine nucleotides in the stimulus-secretion sequence of neutrophils p504
M. M. Barrowman, S. Cockcroft and B. D. Gomperts
doi: 10.1038/319504a0
Clonal origin of haematopoietic colonies in the postnatal mouse liver p507
J. Rossant*, ‡, K. M. Vijh*, ‡, C. E. Grossi† and M. D. Cooper†
doi: 10.1038/319507a0
A human osteosarcoma cell line secretes a growth factor structurally related to a homodimer of PDGF A-chains p511
Carl-Henrik Heldin*, Ann Johnsson*, Suzanne Wennergren*, Christer Wernstedt*, Christer Betsholtz† and Bengt Westermark†
doi: 10.1038/319511a0
A saturable receptor for 32P-inositol-l,4,5-trisphosphate in hepatocytes and neutrophils p514
András Spät*, Peter G. Bradford, Jerry S. McKinney, Ronald P. Rubin and James W. Putney, Jr
doi: 10.1038/319514a0
Stimulation of bone resorption and inhibition of bone formation in vitro by human tumour necrosis factors p516
Donald R. Bertolini, Glenn E. Nedwin*, †, Timothy S. Bringman*, Donna D. Smith and Gregory R. Mundy
doi: 10.1038/319516a0
New on the Market
Microanalysis gets new pulse processor p519
Heading this month's selection of lasers, software and new literature is an X-ray processor that can detect elements as light as boron.
doi: 10.1038/319519a0
Employment
Breaks in career — What chance for women? p522
Will demographic trends and skill shortages be more effective, at least for women in professional and managerial careers, than the 1960s and 1970s legislation in support of equal opportunities?
Richard Pearson
doi: 10.1038/319522a0
