| | Opinion |  |
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| | Going national against the odds 637
The British government is sensibly seeking to introduce a national curriculum for its schools, but may be defeated by the structure of the system it has inherited—and by some obstacles of its own making.
doi:10.1038/334637a0
PDF (294K)
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| | Prospect for US sciences 638
Which two US parties' policies on science will best control the deficit?
doi:10.1038/334638a0
PDF (166K)
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| | News | |
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| | Presidential candidates find a little time for science 639
Alun Anderson & Seth Shulman
doi:10.1038/334639a0
PDF (168K)
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| | NSF to get big budget increase but not as much as it wants 640
Alun Anderson
doi:10.1038/334640a0
PDF (152K)
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| | French keeping their heads down 640
Peter Coles
doi:10.1038/334640b0
PDF (152K)
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| | Liberal stance on embryo experiments 640
Charles Morgan
doi:10.1038/334640c0
PDF (152K)
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| | Indian earthquake 640
David Lindley
doi:10.1038/334640d0
PDF (152K)
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| | US—Soviet joint monitoring of nuclear explosion in Nevada 641
Alun Anderson & Mary Manning
doi:10.1038/334641a0
PDF (200K)
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| | Boost for shuttle 641
Alun Anderson
doi:10.1038/334641b0
PDF (200K)
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| | Scientists in trouble 641
Mary Manning
doi:10.1038/334641c0
PDF (200K)
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| | Landsat keeps an eye on continuing US drought 641
doi:10.1038/334641d0
PDF (200K)
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| | Future of satellite technology being rethought everywhere? 642
K.S. Jayaraman & Peter Coles
doi:10.1038/334642a0
PDF (153K)
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| | Court rules for demolition of West German nuclear plant 642
Steven Dickman
doi:10.1038/334642b0
PDF (153K)
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| | South Africa states NPT conditions 642
Michael Cherry
doi:10.1038/334642c0
PDF (153K)
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| | US report accuses NSF of polluting polar environment 643
Alun Anderson
doi:10.1038/334643a0
PDF (151K)
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| | UK space community cheered by contribution to solar research 643
Christine McGourty
doi:10.1038/334643b0
PDF (151K)
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| | New data centre 643
Alun Anderson
doi:10.1038/334643c0
PDF (151K)
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| | European genome plan 643
C. McGourty
doi:10.1038/334643d0
PDF (151K)
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| | Hungarian establishment now opposes hydroelectric project 644
Vera Rich
doi:10.1038/334644a0
PDF (159K)
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| | Dangers of more debris in space 644
Peter Coles
doi:10.1038/334644b0
PDF (159K)
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| | Japan subsidizes superconductors 644
David Swinbanks
doi:10.1038/334644c0
PDF (159K)
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| | Growing reaction to ozone hole in Soviet Union 645
Vera Rich & David Lindley
doi:10.1038/334645a0
PDF (154K)
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| | Arizona seeks to sidestep the endangered species law 645
Elizabeth Pennisi
doi:10.1038/334645b0
PDF (154K)
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| | Correspondence | |
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| | Jumping the greenhouse gun? 646
F. KENNETH HARE
doi:10.1038/334646a0
References | PDF (150K)
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| | Jumping the greenhouse gun? 646
KENNETH MELLANBY
doi:10.1038/334646b0
PDF (150K)
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| | Magic results 646
MICHAEL FRIEDJUNG
doi:10.1038/334646c0
PDF (150K)
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| | Men only? 646
PAMELA V. TAYLOR
doi:10.1038/334646d0
PDF (150K)
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| | News and Views |  |
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| | Reading tea−leaves in the sky 647
Cosmologists spend much of their time poring over maps of the distribution of galaxies. A new way of searching for patterns may help them uncover the past, if not predict the future.
David Lindley
doi:10.1038/334647a0
PDF (154K)
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| | Electronic structure revealed 648
Ned Stoffel
doi:10.1038/334648a0
References | PDF (154K)
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| | A real receptor-operated calcium channel? 649
Timothy J. Rink
doi:10.1038/334649a0
References | PDF (291K)
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| | Chemoattractant for sea urchin sperm 649
doi:10.1038/334649b0
PDF (164K)
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| | Submillimetre excess 650
Bernard Carr
doi:10.1038/334650a0
References | PDF (306K)
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| | Advances in mussel building 651
Paul Calvert
doi:10.1038/334651a0
References | PDF (307K)
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| | Fate of self-reactive B cells 652
Anthony L. DeFranco
doi:10.1038/334652a0
References | PDF (288K)
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| | Functional or futile phosphorus? 653
Lars Backman
doi:10.1038/334653a0
References | PDF (299K)
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| | Seeing the strain 654
David Jones
doi:10.1038/334654a0
PDF (155K)
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| | Scientific Correspondence | |
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| | Another gas burst in a Cameroon lake? 655
M. POURCHET, J.F. PINGLOT, J. MALEY & M.A. MELIERES
doi:10.1038/334655a0
PDF (154K)
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| | Experimental design flaws still unaccounted for 655
LEON T. ROSENBERG
doi:10.1038/334655b0
References | PDF (154K)
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| | Forced dilemma to come in muscle contraction 655
R. C. WOLEDGE
doi:10.1038/334655c0
References | PDF (154K)
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| | Relationships of humans to chimps and gorillas 656
JON MARKS
doi:10.1038/334656a0
References | PDF (159K)
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| | Relationships of humans to chimps and gorillas 656
JARED M. DIAMOND
doi:10.1038/334656b0
References | PDF (159K)
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| | Book Reviews |  |
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| | Why do we do as we do? 657
Philip Kitcher reviews Patterns, Thinking, and Cognition: A Theory of Judgment
By
Howard Margolis
doi:10.1038/334657a0
PDF (353K)
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| | Flights of fancy 657
doi:10.1038/334657b0
PDF (208K)
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| | Ways of knowledge 658
Drew McDermott reviews Logical Foundations of Artificial Intelligence
By
Michael R. Nils J. GeneserethNilsson
doi:10.1038/334658a0
PDF (161K)
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| | In the business of synthesis 659
Robert M. Joyce reviews Petrochemicals: The Rise of an Industry
By
Peter H. Spitz
doi:10.1038/334659a0
PDF (200K)
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| | Engineering meets chemistry 659
doi:10.1038/334659b0
PDF (200K)
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| | Talking man to man 660
Roy Porter reviews Homosexuality: A Philosophical Inquiry
'By
Michael Ruse
doi:10.1038/334660a0
PDF (155K)
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| | In formation 660
H. Frederik Nijhout reviews Insect Morphogenesis
By
Fritz E. Schwalm
doi:10.1038/334660b0
PDF (155K)
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| | Review Article | |
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| | The molecular heterogeneity of protein kinase C and its implications for cellular regulation 661
Yasutomi Nishizuka
doi:10.1038/334661a0
First paragraph & References | PDF (956K)
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| | Articles |  |
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| | Global fire at the Cretaceous− Tertiary boundary 665
Wendy S. Wolbach, Iain Gilmour, Edward Anders, Charles J. Orth & Robert R. Brooks
doi:10.1038/334665a0
First paragraph & References | PDF (779K)
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| | Reversibility of acidification shown by whole-catchment experiments 670
R. F. Wright, E. Lotse & A. Semb
doi:10.1038/334670a0
First paragraph & References | PDF (843K)
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| | Altered immunoglobulin expression and functional silencing of self-reactive B lymphocytes in transgenic mice 676
Christopher C. Goodnow, Jeffrey Crosbie, Stephen Adelstein, Thomas B. Lavoie, Sandra J. Smith-Gill, Robert A. Brink, Helen Pritchard-Briscoe, John S. Wotherspoon, Robert H. Loblay, Kathy Raphael, Ronald J. Trent & Antony Basten
doi:10.1038/334676a0
First paragraph & References | PDF (1,219K)
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| | Letters | |
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| | Self-excited cosmic string dynamos 682
David N. Spergel, William H. Press & Robert J. Scherrer
doi:10.1038/334682a0
First paragraph & References | PDF (239K)
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| | Optical observations of the eclipsing binary radio pulsar PSR1957 + 20 684
J. van Paradijs, J. Allington-Smith, P. Callanan, P. A. Charles, B. J. M. Hassall, G. Machin, K. O. Mason, T. Naylor & A. P. Smale
doi:10.1038/334684a0
First paragraph & References | PDF (536K)
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| | Optical detection and characterization of the eclipsing pulsar's companion 686
A. S. Fruchter, J. E. Gunn, T. R. Lauer & A. Dressler
doi:10.1038/334686a0
First paragraph & References | PDF (687K)
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| | Phosgene measurements in the upper troposphere and lower stratosphere 689
S. R. Wilson, P. J. Crutzen, G. Schuster, D. W. T. Griffith & G. Helas
doi:10.1038/334689a0
First paragraph & References | PDF (487K)
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| | Evidence from angle-resolved resonant photoemission for oxygen-2p nature of the Fermi-liquid states in Bi2CaSr2Cu2O8
691
T. Takahashi, H. Matsuyama, H. Katayama-Yoshida, Y. Okabe, S. Hosoya, K. Seki, H. Fujimoto, M. Sato & H. Inokuchi
doi:10.1038/334691a0
First paragraph & References | PDF (220K)
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| | Controlled crystallization of CaCO3 under stearic acid monolayers 692
Stephen Mann, Brigid R. Heywood, Sundara Rajam & J. Derek Birchall
doi:10.1038/334692a0
First paragraph & References | PDF (501K)
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| | Observed velocity fluctuations on a major Antarctic ice stream 695
S. N. Stephenson & R. A. Bindschadler
doi:10.1038/334695a0
First paragraph & References | PDF (461K)
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| | Piracy as an alternative reproductive tactic for males 697
Eric P. van den Berghe
doi:10.1038/334697a0
First paragraph & References | PDF (270K)
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| | Interleukin-1 as a potent hyperalgesic agent antagonized by a tripeptide analogue 698
S. H. Ferreira, B. B. Lorenzetti, A. F. Bristow & S. Poole
doi:10.1038/334698a0
First paragraph & References | PDF (432K)
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| | Neural adhesion molecule L1 as a member of the immunoglobulin superfamily with binding domains similar to fibronectin 701
Marion Moos, Roland Tacke, Herta Scherer, David Teplow, Klaus Früh & Melitta Schachner
doi:10.1038/334701a0
First paragraph & References | PDF (475K)
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| | Calcium channels in thrombin-activated human platelet membrane 703
A. Zschauer, C. van Breemen, F. R. Bühler & M. T. Nelson
doi:10.1038/334703a0
First paragraph & References | PDF (409K)
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| | Antigenic peptides recognized by T lymphocytes from AIDS viral envelope-immune humans 706
Jay A. Berzofsky, Armand Bensussant, Kemp B. Cease, Jean François Bourge, Remi Cheynier, Zirimwabagangabo Lurhuma, Jean-Jacques Salaün, Robert C. Gallo, Gene M. Shearer & Daniel Zaguryi
doi:10.1038/334706a0
First paragraph & References | PDF (517K)
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| | Membrane guanylate cyclase is a cell-surface receptor with homology to protein kinases 708
Sujay Singh, David G. Lowe, David S. Thorpe, Henry Rodriguez, Wun-Jing Kuang, Lawrence J. Dangott, Michael Chinkers, David V. Goeddel & David L. Garbers
doi:10.1038/334708a0
First paragraph & References | PDF (800K)
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| | A mutation that prevents GTP-dependent activation of the  chain of Gs
712
R. Tyler Miller, Susan B. Masters, Kathleen A. Sullivan, Barry Beiderman & Henry R. Bourne
doi:10.1038/334712a0
First paragraph & References | PDF (606K)
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| | Insulin-stimulated MAP-2 kinase phosphorylates and activates ribosomal protein S6 kinase II 715
Thomas W. Sturgill, L. Bryan Ray, Eleanor Erikson & James L. Maller
doi:10.1038/334715a0
First paragraph & References | PDF (625K)
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| | Abolition of actin-bundling by phosphorylation of human erythrocyte protein 4.9 718
Athar Husain-Chishti, Andrew Levin & Daniel Branton
doi:10.1038/334718a0
First paragraph & References | PDF (656K)
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| | Negative effect of the transcriptional activator GAL4 721
Grace Gill & Mark Ptashne
doi:10.1038/334721a0
First paragraph & References | PDF (656K)
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| | Antisense RNA inhibition of polygalacturonase gene expression in transgenic tomatoes 724
C. J. S. Smith, C. F. Watson, J. Ray, C. R. Bird, P. C. Morris, W. Schuch & D. Grierson
doi:10.1038/334724a0
First paragraph & References | PDF (509K)
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| | Quantum simulation of ferrocytochrome c
726
Chong Zheng, Chung F. , J. Andrew WongMcCammon & Peter G. Wolynes
doi:10.1038/334726a0
First paragraph & References | PDF (455K)
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