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Editorials

Museums need two cultures p583

The resignation of the head of the Smithsonian Institution highlights a misguided tendency for museums to focus on communication at the expense of research. It also offers the chance of a fresh start.

doi:10.1038/446583a


Timber and tapirs p583

A biodiversity conservation project needs support, a watchful eye, and maybe even a long-snouted ally.

doi:10.1038/446583b


South Africa's mentors p584

Announcing this year's Nature awards for scientific mentoring.

doi:10.1038/446584a


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Research Highlights

Research highlights p586

doi:10.1038/446586a


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News

Proteins make light work of nerve control p588

Simple switch promises revolution in neuroscience.

Alison Abbott

doi:10.1038/446588a


Car emissions are EPA's problem p589

Supreme Court affirms that greenhouse gases fall under the Clean Air Act.

Emma Marris

doi:10.1038/446589a


China plans to modernize traditional medicine p590

Government initiative aims to meet scientific standards.

Jane Qiu

doi:10.1038/446590a


Sidelines p591

doi:10.1038/446591a


Joan of Arc's relics exposed as forgery p593

Perfume experts help unmask remains as Egyptian mummy.

Declan Butler

doi:10.1038/446593a


Smithsonian looks beyond ousted boss p594

Museum faces struggles to balance books.

Jim Giles

doi:10.1038/446594a


Snapshot: Over the Moon p595

Galileo's lunar sketches are brought to light.

Alison Abbott

doi:10.1038/446595a


News in brief p596

doi:10.1038/446596a


Clarification p597

doi:10.1038/446597a


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Business

China's deadly drug problem p598

The head of China's drug-safety agency is under investigation for alleged corruption. David Cyranoski looks at how the inquiry might affect the country's fast-growing pharmaceutical industry.

doi:10.1038/446598a


In brief p599

doi:10.1038/446599a


Market watch p599

Quirin Schiermeier

doi:10.1038/446599b


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News Features

A long time ago, in a galaxy not so far away p600

Vast stellar nurseries, clouds that dwarf the Solar System and lurking swarms of black holes. Jeff Kanipe probes the unfolding mysteries at the heart of the Milky Way.

doi:10.1038/446600a

See also: Editor's summary


Endangered collections p605

Philadelphia's venerable natural history museum is teetering on the brink of financial disaster. A new president recently took the helm, but can he save one of America's great institutions? Rex Dalton reports.

doi:10.1038/446605a


Biodiversity: Logging: the new conservation p608

Can a vast monoculture plantation be at the forefront of biodiversity protection? David Cyranoski meets conservation biologists who hope to save species by making peace with the enemy.

doi:10.1038/446608a

See also: Editor's summary


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Correspondence

Follow Thompson's map to turn biology from a science into a Science p611

Brian J. Enquist & Scott C. Stark

doi:10.1038/446611a


Authors defend study that shows high Iraqi death toll p611

Les Roberts & Gilbert Burnham

doi:10.1038/446611b


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Books and Arts

Avoiding system failure p613

An upgraded version of capitalism is needed to protect the world's resources.

Robert Costanza reviews Capitalism 3.0: A Guide to Reclaiming the Commons by Peter Barnes

doi:10.1038/446613a

See also: Editor's summary


Neurons and knowledge p614

David Papineau reviews Second Nature: Brain Science and Human Knowledge by Gerald M. Edelman

doi:10.1038/446614a


Film: Dark days ahead p615

Richard Webb reviews Sunshine directed by Danny Boyle & Alex Garland

doi:10.1038/446615a


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Essay

Connections

Unity from conflict p616

Could the evolution of multicellular life have been fuelled by conflict among selective forces acting at different levels of organization?

Paul B. Rainey

doi:10.1038/446616a


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News and Views

Neuroscience: Controlling neural circuits with light p617

Two light-sensitive proteins from unicellular organisms have been harnessed to rapidly activate or silence neurons. This optical remote control allows precise, millisecond control of neural circuits.

Michael Häusser & Spencer L. Smith

doi:10.1038/446617a

See also: Editor's summary


Attophysics: Tunnel vision p619

The tunnelling of a bound electron out of an atom in a laser field is a well-known quantum-mechanical process. But it happens very quickly, and it takes some fast work with X-rays and lasers to see it in action.

Jonathan P. Marangos

doi:10.1038/446619a

See also: Editor's summary


Plant biology: Sticking with auxin p621

Auxin is one of the main agents that regulate plant growth and development. Intricate crystallographic studies reveal how this hormone acts as a 'molecular glue' in mediating substrate–receptor interactions.

Tom Guilfoyle

doi:10.1038/446621a

See also: Editor's summary


Evolutionary biology: Born-again hagfishes p622

The strange, slimy creatures called hagfishes are of abiding interest to students of vertebrate evolution: just where do they fit in? Investigations of hagfish development take the story forward.

Philippe Janvier

doi:10.1038/nature05712

See also: Editor's summary


Palaeomagnetism: A more ancient shield p623

Earth's magnetic field has protected our atmosphere from erosion by the solar wind ever since it started up. Silicate crystals from some of Earth's oldest rocks date that event to more than 3 billion years ago.

David J. Dunlop

doi:10.1038/446623a

See also: Editor's summary


Obituary: Frank Albert Cotton (1930–2007) p626

Inorganic chemist, educator and discoverer of the quadruple bond.

Stephen J. Lippard

doi:10.1038/446626a


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Brief Communications Arising

Palaeontology: Undressing and redressing Ediacaran embryos pE9

Shuhai Xiao, Chuanming Zhou & Xunlai Yuan

doi:10.1038/nature05753


Palaeontology: Undressing and redressing Ediacaran embryos (Reply) pE10

Jake V. Bailey, Samantha B. Joye, Karen M. Kalanetra, Beverly E. Flood & Frank A. Corsetti

doi:10.1038/nature05754


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Articles

Attosecond real-time observation of electron tunnelling in atoms p627

M. Uiberacker, Th. Uphues, M. Schultze, A. J. Verhoef, V. Yakovlev, M. F. Kling, J. Rauschenberger, N. M. Kabachnik, H. Schröder, M. Lezius, K. L. Kompa, H.-G. Muller, M. J. J. Vrakking, S. Hendel, U. Kleineberg, U. Heinzmann, M. Drescher & F. Krausz

doi:10.1038/nature05648

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


Multimodal fast optical interrogation of neural circuitry p633

Feng Zhang, Li-Ping Wang, Martin Brauner, Jana F. Liewald, Kenneth Kay, Natalie Watzke, Phillip G. Wood, Ernst Bamberg, Georg Nagel, Alexander Gottschalk & Karl Deisseroth

doi:10.1038/nature05744

See also: Editor's summary | News and Views by Häusser & Smith


Mechanism of auxin perception by the TIR1 ubiquitin ligase p640

Xu Tan, Luz Irina A. Calderon-Villalobos, Michal Sharon, Changxue Zheng, Carol V. Robinson, Mark Estelle & Ning Zheng

doi:10.1038/nature05731

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


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Letters

Global warming and climate forcing by recent albedo changes on Mars p646

Lori K. Fenton, Paul E. Geissler & Robert M. Haberle

doi:10.1038/nature05718

See also: Editor's summary


Lanthanide contraction and magnetism in the heavy rare earth elements p650

I. D. Hughes, M. Däne, A. Ernst, W. Hergert, M. Lüders, J. Poulter, J. B. Staunton, A. Svane, Z. Szotek & W. M. Temmerman

doi:10.1038/nature05668


Effect of evaporite deposition on Early Cretaceous carbon and sulphur cycling p654

Ulrich G. Wortmann & Boris M. Chernyavsky

doi:10.1038/nature05693


Geomagnetic field strength 3.2 billion years ago recorded by single silicate crystals p657

John A. Tarduno, Rory D. Cottrell, Michael K. Watkeys & Dorothy Bauch

doi:10.1038/nature05667

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


Doushantuo embryos preserved inside diapause egg cysts p661

Leiming Yin, Maoyan Zhu, Andrew H. Knoll, Xunlai Yuan, Junming Zhang & Jie Hu

doi:10.1038/nature05682

See also: Editor's summary


Quantifying social group evolution p664

Gergely Palla, Albert-László Barabási & Tamás Vicsek

doi:10.1038/nature05670

See also: Editor's summary


Antibiotic interactions that select against resistance p668

Remy Chait, Allison Craney & Roy Kishony

doi:10.1038/nature05685

See also: Editor's summary


Hagfish embryology with reference to the evolution of the neural crest p672

Kinya G. Ota, Shigehiro Kuraku & Shigeru Kuratani

doi:10.1038/nature05633

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


Myc deletion rescues Apc deficiency in the small intestine p676

Owen J. Sansom, Valerie S. Meniel, Vanesa Muncan, Toby J. Phesse, Julie A. Wilkins, Karen R. Reed, J. Keith Vass, Dimitris Athineos, Hans Clevers & Alan R. Clarke

doi:10.1038/nature05674


Semaphorin 7A initiates T-cell-mediated inflammatory responses through alpha1beta1 integrin p680

Kazuhiro Suzuki, Tatsusada Okuno, Midori Yamamoto, R. Jeroen Pasterkamp, Noriko Takegahara, Hyota Takamatsu, Tomoe Kitao, Junichi Takagi, Paul D. Rennert, Alex L. Kolodkin, Atsushi Kumanogoh & Hitoshi Kikutani

doi:10.1038/nature05652


Foxp3 controls regulatory T-cell function by interacting with AML1/Runx1 p685

Masahiro Ono, Hiroko Yaguchi, Naganari Ohkura, Issay Kitabayashi, Yuko Nagamura, Takashi Nomura, Yoshiki Miyachi, Toshihiko Tsukada & Shimon Sakaguchi

doi:10.1038/nature05673

See also: Editor's summary


Nuclear cytokine-activated IKKalpha controls prostate cancer metastasis by repressing Maspin p690

Jun-Li Luo, Wei Tan, Jill M. Ricono, Olexandr Korchynskyi, Ming Zhang, Steven L. Gonias, David A. Cheresh & Michael Karin

doi:10.1038/nature05656

See also: Editor's summary


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Corrigendum

Global warming and climate forcing by recent albedo changes on Mars

Lori K. Fenton, Paul E. Geissler & Robert M. Haberle

doi:10.1038/nature05791


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Naturejobs

Prospect

Prospect p695

Taiwan is taking a determined approach to science R&D.

Paul Smaglik

doi:10.1038/nj7136-695a


Region

Making it big in Taiwan p696

This small but inventive island is putting transgenics and nanotechnology to novel uses. A pay rise might be all it needs to lure its expatriate scientists home, says Paul Smaglik.

Paul Smaglik

doi:10.1038/nj7136-696a


Career Views

Johann-Dietrich Wörner, chairman of the German Aerospace Centre p698

Johann-Dietrich Wörner takes up the challenge of running the German Aerospace Centre.

Sophie Stigler

doi:10.1038/nj7136-698a


Minority report p698

Minority groups are striving to reap rewards from science careers.

Jose Rodriguez

doi:10.1038/nj7136-698b


The benefactor p698

I need a benefactor to pursue my research – and I'm not ashamed to admit it.

Maria Ocampo-Hafalla

doi:10.1038/nj7136-698c


Recruitment

The inside track from academia and industry: Found in translation p700

For those who wish to marry research with clinical applications, finding the right environment can be hard.

David Shaywitz & Hayes Dansky

doi:10.1038/nj7136-700a


Spotlight

Spotlight on Taiwan

doi:10.1038/nj0152


Highlights

Opportunities: The National Institute of Health

doi:10.1038/nj0154


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