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Editorials

In praise of the 'brain drain' p231

Countries and professions that export skilled staff do not always lose out.

doi:10.1038/446231a


The legacy of Linnaeus p231

Taxonomy in an age of transformation.

doi:10.1038/446231b


Open for business p232

California's stem-cell institute is already transparent enough.

doi:10.1038/446232a


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Research Highlights

Research highlights p234

doi:10.1038/446234a


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News

Geophysicist faces probe into use of research funds p236

Co-founder of European Academy of Sciences comes under scrutiny.

Jim Giles

doi:10.1038/446236a


Q&A:Klaus Töpfer p237

Germany's former environment minister analyses Europe's plan for cutting emissions.

doi:10.1038/446237a


Special Report

Seed money to bring in pioneers p238

California's stem-cell initiative has finally handed out its first research grants. But will all the money actually move the field forward? Erika Check reports.

doi:10.1038/446238a


Microbes reveal extent of biodiversity p240

Ocean trawl yields vast number of unknown proteins.

Heidi Ledford

doi:10.1038/446240a


Bush challenged on funding for children's study p240

Congressman rebuffs president's proposed cuts.

Meredith Wadman

doi:10.1038/446240b


Sidelines p241

doi:10.1038/446241a


Passive-smoking study faces review p242

Did the tobacco industry skew results of survey?

Rex Dalton

doi:10.1038/446242a


News in brief p243

doi:10.1038/446243a


Correction p243

doi:10.1038/446243b


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Column

Party of One

Washington, we have a problem p244

Does anybody care about NASA? Most in Congress do only if there is a research centre in their district. David Goldston explains why members never step up to the plate to set priorities.

David Goldston

doi:10.1038/446244a


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Business

Quantum leap of faith p245

A Canadian company says it is the first to bring a quantum computer to market but, as Geoff Brumfiel reports, not everyone is buying into the approach.

doi:10.1038/446245a

See also: Editor's summary


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News Features

Linnaeus at 300: We are family p247

Updating the tree of life needs both the skills of evolutionary biologists and the data from genome-crunchers — the two ignore each other at their peril. John Whitfield reports.

doi:10.1038/446247a


Linnaeus at 300: The species and the specious p250

For some, species are simply the things you save; but for taxonomists, the concept is much more complex. Emma Marris asks whether Linnaeus's legacy is cut out for conservation.

doi:10.1038/446250a


Linnaeus at 300: The big name hunters p253

Professional taxonomists often bristle at non-professionals who name new species without going through peer review. But are amateur naturalists really bad for science? Brendan Borrell reports.

doi:10.1038/446253a


Linnaeus at 300: The royal raccoon from Swedesboro p255

Although Linnaeus is best known for his botany and taxonomy, he was also an anatomist — and a keeper of pets. Henry Nicholls tells the story of Sjupp the raccoon.

doi:10.1038/446255a


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Correspondence

Publications should include an animal-welfare section p257

Hanno Würbel

doi:10.1038/446257a


Scientists need to confront economists about peak oil p257

Michael Lardelli

doi:10.1038/446257b


Concept of a bacterium still valid in prokaryote debate p257

Thomas Cavalier-Smith

doi:10.1038/446257c


Faulty logic p257

Alex C. W. May

doi:10.1038/446257d


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Commentaries

Linnaeus in the information age p259

As we celebrate the visionary genius of Carl Linnaeus, it is time to analyse how professional taxonomy interfaces with the rest of biology and beyond. Where next for Linnaeus's heirs, asks H. C. J. Godfray?

doi:10.1038/446259a

See also: Editor's summary


Spreading the word p261

Keeping track of new species names is a growing challenge for modern taxonomists. Sandra Knapp, Andrew Polaszek and Mark Watson make the case for electronic publication of scientific names.

doi:10.1038/446261a

See also: Editor's summary


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Books and Arts

Biological programming p263

The digital nature of molecules such as DNA means they can be used in computers.

Christoph Adami reviews Genesis Machines: The New Science of Biocomputing by Martyn Amos

doi:10.1038/446263a


Mammals on the move p264

Zofia Kielan-Jaworowska reviews The Beginning of the Age of Mammals by Kenneth D. Rose

doi:10.1038/446264a


Mysteries of female anatomy p265

Rina Knoeff reviews Secrets of Women: Gender, Generation, and the Origins of Human Dissection by Katharine Park

doi:10.1038/446265a


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Essays

Connections

The structure of consciousness p267

Subjective awareness may depend on neural networks in the brain supporting complex wiring schemes and dynamic patterns of activity.

György Buzsáki

doi:10.1038/446267a

See also: Editor's summary


Concept

Plant taxonomy: The love of plants p268

Carl Linnaeus's use of erotic language to describe plants ultimately helped him to recruit a global network of specimen collectors.

Staffan Müller-Wille

doi:10.1038/446268a

See also: Editor's summary


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News and Views

Botany: New home for tiny aquatics p269

A shake-up of current thinking about the evolution of the angiosperms — the flowering plants — is a consequence of the relocation of a hitherto obscure branch on the angiosperm evolutionary tree.

Else Marie Friis & Peter Crane

doi:10.1038/446269a

See also: Editor's summary


Physical chemistry: The peripatetic proton p270

The way in which protons are transferred between acids and bases has been known in general terms for decades. But the details of the process are complex, and only now is the full proton itinerary becoming clear.

James T. Hynes

doi:10.1038/446270a


50 & 100 Years Ago p271

doi:10.1038/446271a


Solar system: Portrait of a suburban family p273

The first 'collisional family' has been spotted among objects in the Kuiper belt, which lies on the outskirts of the Solar System. The identification could provide useful constraints on the outer Solar System's history.

Alessandro Morbidelli

doi:10.1038/446273a

See also: Editor's summary


Cell biology: Lost in mitotic translation p274

A protein called 14-3-3sigma inhibits the cell cycle and may act as a tumour suppressor. It now turns out that it is also involved in regulating protein synthesis from messenger RNA during cell division.

Anthony Wynshaw-Boris

doi:10.1038/446274a

See also: Editor's summary


Quantum physics: Total surveillance p275

Trapped by mirrors, a photon can be monitored from birth to death by a stream of passing atoms. The technique could also be used to entangle the quantum states of many atoms — a possible boon for quantum computing.

Ferdinand Schmidt-Kaler

doi:10.1038/446275a

See also: Editor's summary


Theoretical chemistry: The six-bond bound p276

What is the maximum number of covalent chemical bonds that two atoms can share? Six, according to the latest theoretical study — at least where just two atoms of the same element are concerned.

Gernot Frenking & Ralf Tonner

doi:10.1038/446276a


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Review

Hybrid speciation p279

James Mallet

doi:10.1038/nature05706

See also: Editor's summary


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Progress

The molecular choreography of a store-operated calcium channel p284

Richard S. Lewis

doi:10.1038/nature05637

See also: Editor's summary


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Brief Communication Arising

Superconductors: Unusual oxygen isotope effects in cuprates? pE5

John F. Douglas, Hideaki Iwasawa, Zhe Sun, Alexei V. Fedorov, Motoyuki Ishikado, Tomohiko Saitoh, Hiroshi Eisaki, Hiroshi Bando, Takeshi Iwase, Akihiro Ino, Masashi Arita, Kenya Shimada, Hirofumi Namatame, Masaki Taniguchi, Takahiko Masui, Setsuko Tajima, Kazuhiro Fujita, Shin-ichi Uchida, Yoshihiro Aiura & Daniel S. Dessau

doi:10.1038/nature05738


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Article

A new eutriconodont mammal and evolutionary development in early mammals p288

Zhe-Xi Luo, Peiji Chen, Gang Li & Meng Chen

doi:10.1038/nature05627

See also: Editor's summary


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Letters

A collisional family of icy objects in the Kuiper belt p294

Michael E. Brown, Kristina M. Barkume, Darin Ragozzine & Emily L. Schaller

doi:10.1038/nature05619

See also: Editor's summary | News and Views by Morbidelli


Quantum jumps of light recording the birth and death of a photon in a cavity p297

Sébastien Gleyzes, Stefan Kuhr, Christine Guerlin, Julien Bernu, Samuel Deléglise, Ulrich Busk Hoff, Michel Brune, Jean-Michel Raimond & Serge Haroche

doi:10.1038/nature05589

See also: Editor's summary | News and Views by Schmidt-Kaler


Adaptive subwavelength control of nano-optical fields p301

Martin Aeschlimann, Michael Bauer, Daniela Bayer, Tobias Brixner, F. Javier García de Abajo, Walter Pfeiffer, Martin Rohmer, Christian Spindler & Felix Steeb

doi:10.1038/nature05595

See also: Editor's summary


Non-volcanic tremor and low-frequency earthquake swarms p305

David R. Shelly, Gregory C. Beroza & Satoshi Ide

doi:10.1038/nature05666

See also: Editor's summary


Evolution and diversity of subduction zones controlled by slab width p308

W. P. Schellart, J. Freeman, D. R. Stegman, L. Moresi & D. May

doi:10.1038/nature05615


Hydatellaceae identified as a new branch near the base of the angiosperm phylogenetic tree p312

Jeffery M. Saarela, Hardeep S. Rai, James A. Doyle, Peter K. Endress, Sarah Mathews, Adam D. Marchant, Barbara G. Briggs & Sean W. Graham

doi:10.1038/nature05612

See also: Editor's summary | News and Views by Friis & Crane


A recurrent mutation in PALB2 in Finnish cancer families p316

Hannele Erkko, Bing Xia, Jenni Nikkilä, Johanna Schleutker, Kirsi Syrjäkoski, Arto Mannermaa, Anne Kallioniemi, Katri Pylkäs, Sanna-Maria Karppinen, Katrin Rapakko, Alexander Miron, Qing Sheng, Guilan Li, Henna Mattila, Daphne W. Bell, Daniel A. Haber, Mervi Grip, Mervi Reiman, Arja Jukkola-Vuorinen, Aki Mustonen, Juha Kere, Lauri A. Aaltonen, Veli-Matti Kosma, Vesa Kataja, Ylermi Soini, Ronny I. Drapkin, David M. Livingston & Robert Winqvist

doi:10.1038/nature05609

See also: Editor's summary


A Hedgehog- and Antennapedia-dependent niche maintains Drosophila haematopoietic precursors p320

Lolitika Mandal, Julian A. Martinez-Agosto, Cory J. Evans, Volker Hartenstein & Utpal Banerjee

doi:10.1038/nature05585

See also: Editor's summary


Control of blood cell homeostasis in Drosophila larvae by the posterior signalling centre p325

Joanna Krzemien acute, Laurence Dubois, Rami Makki, Marie Meister, Alain Vincent & Michèle Crozatier

doi:10.1038/nature05650

See also: Editor's summary


14-3-3sigma controls mitotic translation to facilitate cytokinesis p329

Erik W. Wilker, Marcel A. T. M. van Vugt, Stephen C. Artim, Paul H. Huang, Christian P. Petersen, H. Christian Reinhardt, Yun Feng, Phillip A. Sharp, Nahum Sonenberg, Forest M. White & Michael B. Yaffe

doi:10.1038/nature05584

See also: Editor's summary | News and Views by Wynshaw-Boris


A ubiquitin ligase transfers preformed polyubiquitin chains from a conjugating enzyme to a substrate p333

Wei Li, Daqi Tu, Axel T. Brunger & Yihong Ye

doi:10.1038/nature05542


Structure and function of the histone chaperone CIA/ASF1 complexed with histones H3 and H4 p338

Ryo Natsume, Masamitsu Eitoku, Yusuke Akai, Norihiko Sano, Masami Horikoshi & Toshiya Senda

doi:10.1038/nature05613

See also: Editor's summary


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Corrigenda

Happy centenary, photon p342

Anton Zeilinger, Gregor Weihs, Thomas Jennewein & Markus Aspelmeyer

doi:10.1038/nature05274


The prolyl isomerase Pin1 regulates amyloid precursor protein processing and amyloid-beta production p342

L. Pastorino, A. Sun, P.-J. Lu, X. Z. Zhou, M. Balastik, G. Finn, G. Wulf, J. Lim, S.-H. Li, X. Li, W. Xia, L. K. Nicholson & K. P. Lu

doi:10.1038/nature05606


Human embryonic stem cell lines derived from single blastomeres p342

Irina Klimanskaya, Young Chung, Sandy Becker, Shi-Jiang Lu & Robert Lanza

doi:10.1038/nature05608


The receptors and coding logic for bitter taste p342

K. L. Mueller, M. A. Hoon, I. Erlenbach, J. Chandrashekar, C. S. Zuker & N. J. P. Ryba

doi:10.1038/nature05641


Half-metallic graphene nanoribbons p342

Young-Woo Son, Marvin L. Cohen & Steven G. Louie

doi:10.1038/nature05686


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Naturejobs

Prospect

Prospects p343

Could blogs replace résumés?

Paul Smaglik

doi:10.1038/nj7133-343a


Career Views

Meg Urry, chair, physics department, Yale University, New Haven, Connecticut p344

Meg Urry to head Yale physics department

Virginia Gewin

doi:10.1038/nj7133-344a


Colleagues against cancer p344

Cancer Research UK opens new institute.

Virginia Gewin

doi:10.1038/nj7133-344b


Where the rocks are p344

Sometimes you have to go where your research takes you.

Chris Rowan

doi:10.1038/nj7133-344c


Recruiters

Leaks in the pipeline p346

Why do women remain curiously absent from the ranks of academia?

Mary Anne Holmes & Suzanne O'Connell

doi:10.1038/nj7133-346a


Highlights

Opportunities: The National Institute of Health

doi:10.1038/nj0150


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