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Editorials

China's wind-power potential p357

The nation can lead the world in wind energy — but its policies need to be more coherent.

doi:10.1038/457357a


Dismal no more p357

Europe's Joint Research Centre should be empowered to stimulate other EU institutions.

doi:10.1038/457357b


Choosing a world p358

Titan is a slightly more appealing lunar target than Europa for the next outer-planets mission.

doi:10.1038/457358a


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Research Highlights

Crystal growth: Getting their morph on p360

doi:10.1038/457360a


Nanomaterials: Squid suckers scrutinized p360

doi:10.1038/457360b


Quantum logic: Blockade boost p360

doi:10.1038/457360c


Palaeontology: Herd of hearing p360

doi:10.1038/457360d


Neurology: Serotonin and social anxiety p360

doi:10.1038/457360e


Planetary science: Martian methane p360

doi:10.1038/457360f


Entomology: Hammers of the wasps p361

doi:10.1038/457361a


Neurobiology: Scent slides away p361

doi:10.1038/457361b


Climate: De-fogged p361

doi:10.1038/457361c


Evolution: Run rabbit run p361

doi:10.1038/457361d


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Journal Club

Journal club p361

Paul Knoepfler

doi:10.1038/457361e


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News

Not so sunny after all p362

Manufacturers in the solar-energy industry are downsizing and scaling back their once-ambitious plans. Katharine Sanderson reports.

Katharine Sanderson

doi:10.1038/457362a


Translational research in Berlin hits a roadblock p362

Accusations of funding mismanagement prompt collaboration to break up.

Alison Abbott

doi:10.1038/457362b


Cash boost for US science p364

Researchers in line for $13-billion windfall.

Jeff Tollefson, Meredith Wadman & Rich Monastersky

doi:10.1038/457364a


Ebola outbreak has experts rooting for answers p364

Virus subtype suspected in Philippine swine.

David Cyranoski

doi:10.1038/457364b


Graphic detail: Prices plummet on carbon market p365

Falling oil prices slash value of greenhouse gas emission allowances.

Quirin Schiermeier

doi:10.1038/457365a


Which moon to shoot for? p366

Planetary scientists have a rare chance to pick the destination for their next big mission. But will it be Titan or Europa? Eric Hand reports.

Eric Hand

doi:10.1038/457366a


A fly by any other name p368

Drosophila experts argue over reclassification proposal.

Rex Dalton

doi:10.1038/457368a


No bull: genes for better milk p369

Service ups dairy farmers' chance of choosing the best bulls.

Rex Dalton

doi:10.1038/457369a


Plan to grow more cannabis for research turned down p371

doi:10.1038/457371a


FDA to regulate the use of transgenic animals p371

doi:10.1038/457371b


Polio eradication battle is bolstered by $630 million p371

doi:10.1038/457371c


Democrats hasten action on climate legislation p371

doi:10.1038/457371d


Billion-dollar neutron facility gets thumbs up p371

doi:10.1038/457371e


Europe set to clamp down on pesticide use p371

doi:10.1038/457371f


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News Features

Renewable energy: Beijing's windy bet p372

After spurning wind power, China has swung around and embraced this clean energy. But the nation's love affair with wind may be spinning out of control, finds David Cyranoski.

David Cyranoski

doi:10.1038/457372a


Social networking: Crisis communication p376

Messages appear on Internet-based social networks within minutes of disasters occurring. Lea Winerman investigates how to harness this trend to create official community-response grids.

Lea Winerman

doi:10.1038/457376a


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Correspondence

Scientists stand by decision to join Mbeki's AIDS panel p379

Salim S. Abdool Karim, Hoosen M. Coovadia & Malegapuru W. Makgoba

doi:10.1038/457379a


When winning a Nobel Prize seems to run in the family p379

Jay M. Pasachoff

doi:10.1038/457379b


Ecologists should join astronomers to oppose light pollution p379

Josef Settele

doi:10.1038/457379c


Lindauer's genius showed evolution in a simple experiment p379

William L. Abler

doi:10.1038/457379d


Culture clash in Chinese university: a response p379

Keming Cui

doi:10.1038/457379e


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Essay

Being Human: Kinship: Race relations p380

Our notions of family, population and race may need revising in the age of personal genomics, argues Aravinda Chakravarti.

Aravinda Chakravarti

doi:10.1038/457380a


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Books and Arts

Evolution's challenge to genetics p382

Do conjoined twins and two-legged goats suggest a minor role for genetics in evolution? The evidence is not strong enough to upset the orthodox view, argues Jerry A. Coyne.

Jerry A. Coyne reviews Freaks of Nature: What Anomalies Tell Us About Development and Evolution by Mark S. Blumberg

doi:10.1038/457382a


The future is now p383

Arran Frood reviews Human Futures: Art in an Age of Uncertainty and The Science of Heroes: The Real-Life Possibilities Behind the Hit TV Show by Yvonne Carts-Powell

doi:10.1038/457383a


Is there life on Europa? p384

Kevin P. Hand reviews Unmasking Europa: The Search for Life on Jupiter's Ocean Moon by Richard Greenberg

doi:10.1038/457384a


Scripting scientists' lives p385

Jascha Hoffman reviews Leave a Light On

doi:10.1038/457385a


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News and Views

Neuroscience: Pre-emptive blood flow p387

Electrical signalling among brain cells summons the local delivery of extra blood — the basis of functional brain imaging. Yet sometimes, blood is sent in anticipation of neural events that never take place.

David A. Leopold

doi:10.1038/457387a

See also: Editor's summary


Astrophysics: Galaxies in from the cold p388

Computer simulations of the cosmos suggest that cold streams of gas could underlie the unexpectedly high star-formation activity of many massive galaxies found to exist a few billion years after the Big Bang.

Reinhard Genzel

doi:10.1038/457388a

See also: Editor's summary


Structural biology: Actin in a twist p389

How monomers of the cytoskeletal protein actin join to form the stable polymers crucial to muscle contraction and cellular motility has been a long-standing question. A state-of-the-art approach provides an answer.

Kenneth C. Holmes

doi:10.1038/457389a

See also: Editor's summary


50 & 100 years ago p390

doi:10.1038/457390a


Climate change: Shifts in season p391

It's cold in winter and hot in summer. But the latest analysis illustrates the need to put observational data at the forefront of attempts to achieve a more detailed understanding of the annual temperature cycle.

David J. Thomson

doi:10.1038/457391a

See also: Editor's summary


Molecular biology: Concealed enzyme coordination p392

Coordination between subunits is crucial for the proper functioning of multi-component molecular machines. A single-molecule study now allows glimpses into the mechanism used by subunits of one such machine.

Elio A. Abbondanzieri & Xiaowei Zhuang

doi:10.1038/457392a

See also: Editor's summary


Obituary: Daniel Carleton Gajdusek (1923–2008) p394

The most outlandish and peripatetic of microbe hunters.

Jaap Goudsmit

doi:10.1038/457394a


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Insight: RNA silencing

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Insight: RNA silencing

RNA silencing p395

Angela K. Eggleston

doi:10.1038/457395a


On the road to reading the RNA-interference code p396

Haruhiko Siomi & Mikiko C. Siomi

doi:10.1038/nature07754


A three-dimensional view of the molecular machinery of RNA interference p405

Martin Jinek & Jennifer A. Doudna

doi:10.1038/nature07755


Small RNAs in transcriptional gene silencing and genome defence p413

Danesh Moazed

doi:10.1038/nature07756


Viral and cellular messenger RNA targets of viral microRNAs p421

Bryan R. Cullen

doi:10.1038/nature07757


The promises and pitfalls of RNA-interference-based therapeutics p426

Daniela Castanotto & John J. Rossi

doi:10.1038/nature07758



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Articles

Changes in the phase of the annual cycle of surface temperature p435

A. R. Stine, P. Huybers & I. Y. Fung

doi:10.1038/nature07675

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


The nature of the globular- to fibrous-actin transition p441

Toshiro Oda, Mitsusada Iwasa, Tomoki Aihara, Yuichiro Maéda & Akihiro Narita

doi:10.1038/nature07685

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


Intersubunit coordination in a homomeric ring ATPase p446

Jeffrey R. Moffitt, Yann R. Chemla, K. Aathavan, Shelley Grimes, Paul J. Jardine, Dwight L. Anderson & Carlos Bustamante

doi:10.1038/nature07637

See also: Editor's summary | News and Views by Abbondanzieri & Zhuang


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Letters

Cold streams in early massive hot haloes as the main mode of galaxy formation p451

A. Dekel, Y. Birnboim, G. Engel, J. Freundlich, T. Goerdt, M. Mumcuoglu, E. Neistein, C. Pichon, R. Teyssier & E. Zinger

doi:10.1038/nature07648

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


High-Q surface-plasmon-polariton whispering-gallery microcavity p455

Bumki Min, Eric Ostby, Volker Sorger, Erick Ulin-Avila, Lan Yang, Xiang Zhang & Kerry Vahala

doi:10.1038/nature07627

See also: Editor's summary


Warming of the Antarctic ice-sheet surface since the 1957 International Geophysical Year p459

Eric J. Steig, David P. Schneider, Scott D. Rutherford, Michael E. Mann, Josefino C. Comiso & Drew T. Shindell

doi:10.1038/nature07669

See also: Editor's summary


A simple model of bipartite cooperation for ecological and organizational networks p463

Serguei Saavedra, Felix Reed-Tsochas & Brian Uzzi

doi:10.1038/nature07532

See also: Editor's summary


Ferritin is used for iron storage in bloom-forming marine pennate diatoms p467

Adrian Marchetti, Micaela S. Parker, Lauren P. Moccia, Ellen O. Lin, Angele L. Arrieta, Francois Ribalet, Michael E. P. Murphy, Maria T. Maldonado & E. Virginia Armbrust

doi:10.1038/nature07539

See also: Editor's summary


Discovery of a sexual cycle in the opportunistic fungal pathogen Aspergillus fumigatus p471

Céline M. O'Gorman, Hubert T. Fuller & Paul S. Dyer

doi:10.1038/nature07528

See also: Editor's summary


Anticipatory haemodynamic signals in sensory cortex not predicted by local neuronal activity p475

Yevgeniy B. Sirotin & Aniruddha Das

doi:10.1038/nature07664

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


A core gut microbiome in obese and lean twins p480

Peter J. Turnbaugh, Micah Hamady, Tanya Yatsunenko, Brandi L. Cantarel, Alexis Duncan, Ruth E. Ley, Mitchell L. Sogin, William J. Jones, Bruce A. Roe, Jason P. Affourtit, Michael Egholm, Bernard Henrissat, Andrew C. Heath, Rob Knight & Jeffrey I. Gordon

doi:10.1038/nature07540

See also: Editor's summary


Protein kinase R reveals an evolutionary model for defeating viral mimicry p485

Nels C. Elde, Stephanie J. Child, Adam P. Geballe & Harmit S. Malik

doi:10.1038/nature07529

See also: Editor's summary


Endochondral ossification is required for haematopoietic stem-cell niche formation p490

Charles K. F. Chan, Ching-Cheng Chen, Cynthia A. Luppen, Jae-Beom Kim, Anthony T. DeBoer, Kevin Wei, Jill A. Helms, Calvin J. Kuo, Daniel L. Kraft & Irving L. Weissman

doi:10.1038/nature07547

See also: Editor's summary


Pulsed contractions of an actin–myosin network drive apical constriction p495

Adam C. Martin, Matthias Kaschube & Eric F. Wieschaus

doi:10.1038/nature07522

See also: Editor's summary


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Corrigendum

Major gradients in putatively nitrifying and non-nitrifying Archaea in the deep North Atlantic p500

Hélène Agogué, Maaike Brink, Julie Dinasquet & Gerhard J. Herndl

doi:10.1038/nature07735


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Naturejobs

Prospects

A day in the life p501

Welcoming a new crop of Postdoc Journal keepers.

Gene Russo

doi:10.1038/nj7228-501a


Career View

Linda Birnbaum, director, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina p502

Toxicologist takes on role of NIEHS director.

Virginia Gewin

doi:10.1038/nj7228-502a


Research assistants join a union p502

New York sees a rare feat.

Karen Kaplan

doi:10.1038/nj7228-502b


A pregnant pause p502

A return to the lab.

Julia Boughner

doi:10.1038/nj7228-502c


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Futures

Replacement p504

Welcome back.

Shelly Li

doi:10.1038/457504a


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