Table of contents
Volume 396 Number 6707 pp97-190
Opinion
Sharing research tools is a tradition worth defending p97
Increasingly tough conditions being attached to the transfer of experimental tools between researchers are threatening science's tradition of open communication. Agreement on optimal terms would help all sides.
doi:10.1038/23981
Time to lift embryo research ban p97
Last week's announcement on human embryo stem cells requires a change in the US law on embryo research.
doi:10.1038/23983
News
US court backs authors in fight over article reproduction rights p99
Rex Dalton
doi:10.1038/23985
Lifting the lid on a mediaeval mystery p99
Alison Abbott
doi:10.1038/23988
UK initiatives aim to boost high-tech investment p100
Ehsan Masood
doi:10.1038/23991
Private observatories seek public funding p101
Colin Macilwain
doi:10.1038/23994
Changes in store for Japan's vet colleges p101
Asako Saegusa
doi:10.1038/23997
Italian charity offers an alternative to the concorsi p102
Alison Abbott
doi:10.1038/23999
India agrees to conduct AIDS vaccine trials p102
K. S. Jayaraman
doi:10.1038/24001
NASA is urged to use less home grown technology p102
Tony Reichhardt
doi:10.1038/24003
Highbrow 'club' seeks the common touch p103
Ehsan Masood
doi:10.1038/24005
UN climate organization faces criticism p103
Ehsan Masood
doi:10.1038/24008
Breakthrough stirs US embryo debate... p104
Declan Butler
doi:10.1038/24010
Company seeks strict controls on access p104
Declan Butler
doi:10.1038/24013
...while Europe contemplates funding ban p105
Declan Butler
doi:10.1038/24015
Swiss to vote on ban on in vitro fertilization p105
Ulrich Bahnsen
doi:10.1038/24018
Correspondence
Coordinating European public health p108
Michel Tibayrenc
doi:10.1038/24022
Argentinian science down but not out p108
J. Raul Grigera, Director
doi:10.1038/24024
Time to take a healthier view of history p108
Ibrahim C. Haznedaroglu
doi:10.1038/24026
No rustling at Roslin p108
Grahame Bulfield
doi:10.1038/24028
News and Views
Rickettsia, typhus and the mitochondrial connection p109
Michael W. Gray
doi:10.1038/24030
Superconductors: Mesoscopic magnetism p110
Manfred Sigrist
doi:10.1038/24033
Protein transport: Life and death of a signal peptide p111
Gunnar von Heijne
doi:10.1038/24036
Chronology: Friday XIII p113
Stephen Battersby
doi:10.1038/24039
100 and 50 years ago p114
doi:10.1038/24042
Solar physics: The Sun at small scales p114
John H. Thomas
doi:10.1038/24044
Developmental genetics: Too much sex is bad for males p115
Amanda Swain and Robin Lovell-Badge
doi:10.1038/24048
Daedalus: Glass is for ever p117
David Jones
doi:10.1038/24050
Obituary: Demetrios Papahadjopoulos (1934-98) p118
Claude Nicolau and Gregory Gregoriadis
doi:10.1038/24052
News and Views Feature
Cell suicide for beginners p119
The ability to commit suicide is a fundamental property of animal cells. This overview considers recent progress in understanding the nature of the suicide process and how it is controlled.
Martin Raff
doi:10.1038/24055
Science and Image
Visible viruses p123
The structure of viruses was for a long time an enigma. It took an amalgam of techniques, especially the rapidly burgeoning field of electron microscopy, to reveal the quasi-symmetrical nature of viral architecture.
Martin Kemp
doi:10.1038/24062
Scientific Correspondence
Glutamate-receptor genes in plants p125
Hon-Ming Lam, Joanna Chiu, Ming-Hsiun Hsieh, Lee Meisel, Igor C. Oliveira, Michael Shin and Gloria Coruzzi
doi:10.1038/24066
First paragraph | Full Text | PDF (517K)
Hotspotting called into question p127
doi:10.1038/24070
First paragraph | Full Text | PDF (1,017K)
Reply: Hotspotting called into question p127
Paul Wessel and Loren Kroenke
doi:10.1038/24073
First paragraph | Full Text | PDF (1,017K)
Music training improves verbal memory p128
Agnes S. Chan, Yim-Chi Ho and Mei-Chun Cheung
doi:10.1038/24075
First paragraph | Full Text | PDF (154K)
Book Reviews
How many more eurekas in the bath? p129
Carl Zimmer reviews What Remains To Be Discovered: Mapping the Secrets of the Universe, the Origins of Life, and the Future of the Human Race by John Maddox
doi:10.1038/24078
Hubble vision p129
doi:10.1038/24080
Governing talk p130
Elaine Showalter reviews The Word on the Street: Fact and Fable about American English by John McWhorter
doi:10.1038/24083
Eat or be eaten p130
John R. G. Turner reviews The Raptor and the Lamb: Predators and Prey in the Living World by Christopher McGowan
doi:10.1038/24086
Good in parts p131
H. S. Torrens reviews The Floating Egg: Episodes in the Making of Geology by Roger Osborne
doi:10.1038/24089
Written by the right hemisphere p132
Chris McManus reviews Of Two Minds: The Revolutionary Science of Dual-Brain Psychology by Fredric Schiffer
doi:10.1038/24091
Article
The genome sequence of Rickettsia prowazekii and the origin of mitochondria p133
Siv G. E. Andersson, Alireza Zomorodipour, Jan O. Andersson, Thomas Sicheritz-Pontén, U. Cecilia M. Alsmark, Raf M. Podowski, A. Kristina Näslund, Ann-Sofie Eriksson, Herbert H. Winkler and Charles G. Kurland
doi:10.1038/24094
Abstract | Full Text | PDF (950K)
See also: News and Views by Gray
Letters to Nature
Discovery of a young nearby supernova remnant p141
Bernd Aschenbach
doi:10.1038/24103
First paragraph | Full Text | PDF (336K)
Emission from 44Ti associated with a previously unknown Galactic supernova p142
A. F. Iyudin, V. Schönfelder, K. Bennett, H. Bloemen, R. Diehl, W. Hermsen, G. G. Lichti, R. D. van der Meulen, J. Ryan and C. Winkler
doi:10.1038/24106
First paragraph | Full Text | PDF (258K)
Paramagnetic Meissner effect in small superconductors p144
A. K. Geim, S. V. Dubonos, J. G. S. Lok, M. Henini and J. C. Maan
doi:10.1038/24110
First paragraph | Full Text | PDF (266K)
See also: News and Views by Sigrist
Phonon density of states and negative thermal expansion in ZrW2O8 p147
G. Ernst, C. Broholm, G. R. Kowach and A. P. Ramirez
doi:10.1038/24115
First paragraph | Full Text | PDF (385K)
Five parametric resonances in a microelectromechanical system p149
Kimberly L. Turner, Scott A. Miller, Peter G. Hartwell, Noel C. MacDonald, Steven H. Strogatz and Scott G. Adams
doi:10.1038/24122
First paragraph | Full Text | PDF (336K)
Generalized syntheses of large-pore mesoporous metal oxides with semicrystalline frameworks p152
Peidong Yang, Dongyuan Zhao, David I. Margolese, Bradley F. Chmelka and Galen D. Stucky
doi:10.1038/24132
First paragraph | Full Text | PDF (438K)
Low interannual variability in recent oceanic uptake of atmospheric carbon dioxide p155
Kitack Lee, Rik Wanninkhof, Taro Takahashi, Scott C. Doney and Richard A. Feely
doi:10.1038/24139
First paragraph | Full Text | PDF (410K)
Seismic and hydrothermal evidence for a cracking event on the East Pacific Rise crest at 9° 50' N p159
Robert A Sohn, Daniel J. Fornari, Karen L. Von Damm, John A. Hildebrand and Spahr C. Webb
doi:10.1038/24146
First paragraph | Full Text | PDF (308K)
Navigation through vector addition p161
A. S. Etienne, R. Maurer, J. Berlie, B. Reverdin, T. Rowe, J. Georgakopoulos and V. Séguinot
doi:10.1038/24151
First paragraph | Full Text | PDF (265K)
State-dependent receptive-field restructuring in the visual cortex p165
Florentin Wörgötter, Katrin Suder, Yongqiang Zhao, Nicolas Kerscher, Ulf T. Eysel and Klaus Funke
doi:10.1038/24157
First paragraph | Full Text | PDF (426K)
The nuclear hormone receptor SEX-1 is an X-chromosome signal that determines nematode sex p168
Ilil Carmi, Jennifer B. Kopczynski and Barbara J. Meyer
doi:10.1038/24164
First paragraph | Full Text | PDF (617K)
See also: News and Views by Swain & Lovell-Badge
Late embryonic lethality and impaired V (D)J recombination in mice lacking DNA ligase IV p173
Karen M. Frank, JoAnn M. Sekiguchi, Katherine J. Seidl, Wojciech Swat, Gary A. Rathbun, Hwei-Ling Cheng, Laurie Davidson, Landy Kangaloo and Frederick W. Alt
doi:10.1038/24172
First paragraph | Full Text | PDF (594K)
The murine gene p27Kip1 is haplo-insufficient for tumour suppression p177
Matthew L. Fero, Erin Randel, Kay E. Gurley, James M. Roberts and Christopher J. Kemp
doi:10.1038/24179
First paragraph | Full Text | PDF (397K)
The protein kinase Pak3 positively regulates Raf-1 activity through phosphorylation of serine 338 p180
Alastair J. King, Huaiyu Sun, Bruce Diaz, Darlene Barnard, Wenyan Miao, Shubha Bagrodia and Mark S. Marshall
doi:10.1038/24184
First paragraph | Full Text | PDF (331K)
Histone acetyltransferase activity of CBP is controlled by cycle-dependent kinases and oncoprotein E1A p184
S. Ait-Si-Ali, S. Ramirez, F.-X. Barre, F. Dkhissi, L. Magnaghi-Jaulin, J. A. Girault, P. Robin, M. Knibiehler, L. L. Pritchard, B. Ducommun, D. Trouche and A. Harel-Bellan
doi:10.1038/24190
First paragraph | Full Text | PDF (349K)
Crystal structure of a bacterial signal peptidase in complex with a 
-lactam inhibitor p186
Mark Paetzel, Ross E. Dalbey and Natalie C. J. Strynadka
doi:10.1038/24196
First paragraph | Full Text | PDF (1,033K)
See also: News and Views by von Heijne
Erratum: Reconciling the spectrum of Sagittarius A* with a two-temperature plasma model p190
Rohan Mahadevan
doi:10.1038/24204
Erratum: Deciphering the biology of Mycobacterium tuberculosis from the complete genome sequence p190
S. T. Cole, R. Brosch, J. Parkhill, T. Garnier, C. Churcher, D. Harris, S. V. Gordon, K. Eiglmeier, S. Gas, C. E. Barry, III, F. Tekaia, K. Badcock, D. Basham, D. Brown, T. Chillingworth, R. Connor, R. Davies, K. Devlin, T. Feltwell, S. Gentles, N. Hamlin, S. Holroyd, T. Hornsby, K. Jagels, A. Krogh, J. McLean, S. Moule, L. Murphy, K. Oliver, J. Osborne, M. A. Quail, M.-A. Rajandream, J. Rogers, S. Rutter, K. Seeger, J. Skelton, R. Squares, S. Squares, J. E. Sulston, K. Taylor, S. Whitehead and B. G. Barrell
doi:10.1038/24206