| | Opinion |  |
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| | AIDS and illiberal measures 647
Personal liberty should be protected in the battle against AIDS but not at all costs. Registration of infected individuals makes little sense but the testing of anonymous blood samples should proceed.
doi:10.1038/325647a0
PDF (125K)
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| | Where to go next? 647
The House of Lords has told more truth than most on UK science: now it has another chance.
doi:10.1038/325647b0
PDF (267K)
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| | Shades of green and blue 648
The hostile reception to UK government plans to promote other uses of farmland is undeserved.
doi:10.1038/325648a0
PDF (145K)
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| | News | |
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| | World eavesdrops on the Moscow 'peace' conference 649
Vera Rich
doi:10.1038/325649a0
PDF (145K)
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| | Space station partnership still in jeopardy 649
doi:10.1038/325649b0
PDF (145K)
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| | AIDS registration becoming a political issue in Germany 650
Jürgen Neffe
doi:10.1038/325650a0
PDF (156K)
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| | MRC pushing for government funds for AIDS vaccine research 650
Bill Johnstone
doi:10.1038/325650b0
PDF (156K)
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| | Protein engineers to gain from telecommunications selloff 651
David Swinbanks
doi:10.1038/325651a0
PDF (134K)
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| | Interest in the human genome project reaches new heights 651
Joseph Palca
doi:10.1038/325651b0
PDF (134K)
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| | Investigations into NIH fraud allegations end with suicide 652
Joseph Palca
doi:10.1038/325652a0
PDF (151K)
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| | AAAS reviewing the situation 652
John Maddox
doi:10.1038/325652b0
PDF (151K)
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| | Two British scientists share Wolf Prize 652
Nechemia Meyers
doi:10.1038/325652c0
PDF (151K)
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| | Call for replacement for UGC and bigger role for industry 653
Bill Johnstone
doi:10.1038/325653a0
PDF (137K)
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| | New technique to gauge sea ice 653
Bill Johnstone
doi:10.1038/325653b0
PDF (137K)
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| | All change at the top for India's nuclear agency 653
K. S. Jayaraman
doi:10.1038/325653c0
PDF (137K)
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| | More compensation in Finland for nuclear accident victims 654
Vera Rich
doi:10.1038/325654a0
PDF (135K)
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| | Texas amongst early contenders in the race to subsidize the SSC 654
Steven Dickman
doi:10.1038/325654b0
PDF (135K)
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| | Japan looks to sea for the extra acres and airports 655
David Swinbanks
doi:10.1038/325655a0
PDF (140K)
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| | Export licence rules to ease? 655
Joseph Palca
doi:10.1038/325655b0
PDF (140K)
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| | Correspondence | |
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| | Accuracy, statistics and fraud 656
G. H. FREEMAN
doi:10.1038/325656a0
References | PDF (137K)
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| | Accuracy, statistics and fraud 656
A. M. W. PORTER
doi:10.1038/325656b0
PDF (137K)
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| | Accuracy, statistics and fraud 656
JOHN R. SABINE
doi:10.1038/325656c0
References | PDF (137K)
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| | Dissent in Singapore 656
MARY SEET-CHENG
doi:10.1038/325656d0
PDF (137K)
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| | News and Views |  |
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| | Order for order—disorder? 657
There seems to be a simple rule for telling when some semiconducting ternary alloys have an order-disorder transition below the melting point. Will it apply to potentially commercial semiconductors?
John Maddox
doi:10.1038/325657a0
PDF (135K)
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| | Progress in molecular pathology 658
Brian H. Anderton
doi:10.1038/325658a0
References | PDF (262K)
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| | Long-lived superoxide radicals 659
Martyn C. R. Symons
doi:10.1038/325659a0
PDF (248K)
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| | Who needs more? 660
Ellis L. Reinherz
doi:10.1038/325660a0
References | PDF (535K)
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| | Structure of key enzyme refined 663
Jim Barber
doi:10.1038/325663a0
References | PDF (273K)
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| | Superconductivity at high temperatures in doped oxides 664
M. Strongin, D. O. Welch & J. W. Davenport
doi:10.1038/325664a0
References | PDF (282K)
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| | Observations of active galaxies 666
Richard Mushotzky
doi:10.1038/325666a0
References | PDF (303K)
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| | Surfaces of reacted minerals 667
Harold C. Helgeson
doi:10.1038/325667a0
PDF (144K)
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| | Scientific Correspondence | |
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| | Vagaries of nomenclature 668
R. W. CROSSKEY
doi:10.1038/325668a0
PDF (142K)
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| | Divergence and directional mutation pressures 668
THOMAS H. JUKES, SYOZO OSAWA & AKIRA MUTO
doi:10.1038/325668b0
References | PDF (142K)
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| | Book Reviews |  |
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| | The pure and the applied 669
Robert L. Sinsheimer reviews Biotechnology: The University–Industrial Complex
By
Martin Kenney
doi:10.1038/325669a0
PDF (135K)
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| | What's going on in mathematics? 670
Thomas Banchoff reviews The Problems of Mathematics
By
Ian Stewart
doi:10.1038/325670a0
PDF (127K)
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| | One knock for "no" 670
Steve Blinkhorn reviews The Adventures of a Parapsychologist
By
Susan Blackmore
doi:10.1038/325670b0
PDF (254K)
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| | Highs and lows 671
George Fink reviews Drugs and the Brain
By
Solomon H. Snyder
doi:10.1038/325671a0
PDF (265K)
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| | How well fed is the world? 672
Dennis T. Avery reviews People, Food, and Resources
By
Kenneth Blaxter, Kenneth Blaxter & Leslie Fowden
doi:10.1038/325672a0
PDF (138K)
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| | Review | |
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| | The role of small nuclear ribonucleoprotein particles in pre-mRNA splicing 673
Tom Maniatis & Robin Reed
doi:10.1038/325673a0
Abstract & References | PDF (759K)
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| | Articles |  |
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| | Topography of the core–mantle boundary and lateral homogeneity of the liquid core 678
Andrea Morelli & Adam M. Dziewonski
doi:10.1038/325678a0
Abstract & References | PDF (703K)
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| | A T-cell receptor  /CD3 complex found on cloned functional lymphocytes 683
Jannie Borst, René J. van de Griend, Johan W. van Oostveen, Siew-Lan Ang, Cornelis J. Melief, J. G. Seidman & Reinder L. H. Bolhuis
doi:10.1038/325683a0
Abstract & References | PDF (833K)
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| | Two forms of the T-cell receptor protein found on peripheral blood cytotoxic T lymphocytes 689
Michael B. Brenner, Joanne McLean, Harriet Scheft, Janice Riberdy, Siew-Lan Ang, J. G. Seidman, Peter Devlin & Michael S. Krangel
doi:10.1038/325689a0
Abstract & References | PDF (874K)
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| | Letters | |
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| | Low-frequency divergent X-ray variability in the Seyfert galaxy NGC4051 694
A. Lawrence, M. G. Watson, K. A. Pounds & M. Elvis
doi:10.1038/325694a0
First paragraph & References | PDF (360K)
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| | Fractal X-ray time variability and spectral invariance of the Seyfert galaxy NGC5506 696
Ian McHardy & Bozena Czerny
doi:10.1038/325696a0
First paragraph & References | PDF (341K)
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| | Scintillation of a radio source observed through the tail of comet Halley 699
O. B. Slee, D. McConnell, J. Lim & A. D. Bobra
doi:10.1038/325699a0
First paragraph & References | PDF (402K)
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| | Protracted climatic effects of massive smoke injection into the atmosphere 701
Curt Covey
doi:10.1038/325701a0
First paragraph & References | PDF (456K)
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| | Trapped radicals in titania gels 703
Jehane Ragai
doi:10.1038/325703a0
First paragraph & References | PDF (325K)
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| | Mechanism of diopside dissolution from hydrogen depth profiling 705
Jean-Claude Petit, Gianantonio Delia Mea, Jean-Claude Dran, Jacques Schott & R. A. Berner
doi:10.1038/325705a0
First paragraph & References | PDF (345K)
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| | Processes regulating sulphate flux after whole-tree harvesting 707
R. D. Fuller, C. T. Driscoll, G. B. Lawrence & S. C. Nodvin
doi:10.1038/325707a0
First paragraph & References | PDF (527K)
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| | High rates of consumption of bacteria by pelagic ciliates 710
Evelyn B. Sherr & Barry F. Sherr
doi:10.1038/325710a0
First paragraph & References | PDF (241K)
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| | Regeneration by supernumerary axons with synaptic terminals in spinal motoneurons of cats 711
L. Havton & J.-O. Kellerth
doi:10.1038/325711a0
First paragraph & References | PDF (575K)
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| | Stimulation of protein kinase C recruits covert calcium channels in Aplysia bag cell neurons 714
J. A. Strong, A. P. Fox, R. W. Tsien & L. K. Kaczmarek
doi:10.1038/325714a0
First paragraph & References | PDF (468K)
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| | Involvement of dihydropyridine receptors in excitation–contraction coupling in skeletal muscle 717
Eduardo Rios & Gustavo Brum
doi:10.1038/325717a0
First paragraph & References | PDF (478K)
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| | T protein is expressed on murine fetal thymocytes as a disulphide-linked heterodimer 720
Nobuki Nakanishi, Keiji Maeda, Ko-ichi Ito, Mark Heller & Susumu Tonegawa
doi:10.1038/325720a0
First paragraph & References | PDF (554K)
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| | A -chain complex forms a functional receptor on cloned human lymphocytes with natural killer-like activity 723
P. Moingeon, S. Jitsukawa, F. Faure, F. Troalen, F. Triebel, M. Graziani, F. Forestier, D. Bellet, C. Bohuon & T. Hercend
doi:10.1038/325723a0
First paragraph & References | PDF (570K)
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| | Independent phosphatidylinositol synthesis in pituitary plasma membrane and endoplasmic reticulum 726
Atsushi Imai & Marvin C. Gershengorn
doi:10.1038/325726a0
First paragraph & References | PDF (376K)
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| | Coevolution of codon usage and transfer RNA abundance 728
Michael Bulmer
doi:10.1038/325728a0
First paragraph & References | PDF (357K)
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| | Structure of D-ribulose-l,5-bisphosphate carboxylase/oxygenase from Alcaligenes eutrophyus H16 730
A. Holzenburg, F. Mayer, G. Harauz, M. van Heel, R. Tokuoka, T. Ishida, K. Harata, G. P. Pal & W. Saenger
doi:10.1038/325730a0
First paragraph & References | PDF (477K)
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| | The precursor of Alzheimer's disease amyloid A4 protein resembles a cell-surface receptor 733
Jie Kang, Hans-Georg Lemaire, Axel Unterbeck, J. Michael Salbaum, Colin L. Masters, Karl-Heinz Grzeschik, Gerd Multhaup, Konrad Beyreuther & Benno Müller-Hill
doi:10.1038/325733a0
First paragraph & References | PDF (466K)
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| | Matters Arising | |
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| | Myths and mad March hares 737
JOHN E. C. FLUX
doi:10.1038/325737a0
References | PDF (131K)
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| | Sperm sharing in Biomphalaria snails 737
W. LOBATO PARAENSE
doi:10.1038/325737b0
References | PDF (131K)
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| | Sperm sharing in Biomphalaria snails 737
JANET L. LEONARD & KEN LUKOWIAK
doi:10.1038/325737c0
References | PDF (265K)
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| | Sperm sharing in Biomphalaria snails 738
WARTON MONTEIRO
doi:10.1038/325738a0
References | PDF (137K)
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| | The measurement of gross planktonic production 738
P. J. LEB. WILLIAMS & J. MARRA
doi:10.1038/325738b0
References | PDF (267K)
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| | The measurement of gross planktonic production 739
RALPH E. H. SMITH, RICHARD J. GEIDER & TREVOR PLATT
doi:10.1038/325739a0
References | PDF (133K)
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| | Hercynian orogeny in the Pyrenees was not a rifting event 739
PH. MATTE & M. MATTAUER
doi:10.1038/325739b0
References | PDF (258K)
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| | Hercynian orogeny in the Pyrenees was not a rifting event 740
STEPHEN M. WICKHAM & E. RONALD OXBURGH
doi:10.1038/325740a0
References | PDF (128K)
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| | Product Reviews | |
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| | Flow cytometry in biomedical science 741
Lasers have significant applications in biology, as recent advances inflow cytometry demonstrate.
James V. Watson
doi:10.1038/325741a0
References | PDF (326K)
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| | The latest in lasers 742
This week features new developments in lasers and their accessories, plus a review of laser-based instruments for biological applications.
doi:10.1038/325742a0
PDF (541K)
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