Opinion

A door to be kept open p509

Broad sanctions that could isolate Indian and Pakistani scientists from the West are a counter-productive response to the two nations' unwelcome arrival in the nuclear club. Sanctions should be used with care.

doi:10.1038/28904

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The right man in the right place p509

Japan's choice of Akito Arima as its new minister of education is to be welcomed.

doi:10.1038/28906

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News

US Congress looks set to scuttle international fusion project p511

Colin Macilwain

doi:10.1038/28908

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Retailer appointed UK minister for science p511

David Dickson

doi:10.1038/28911

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Japan picks prominent physicist to lead education ministry p512

Asako Saegusa

doi:10.1038/28913

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Fall in Australian R&D is linked to tax llaw change p512

Peter Pockley

doi:10.1038/28916

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India may retaliate over US expulsion of its scientists p513

K. S. Jayaraman

doi:10.1038/28918

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Xenotransplant experts face good and bad news p513

Ehsan Masood

doi:10.1038/28920

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Italy pulls plug on unproven cancer 'cure' p514

Alison Abbott

doi:10.1038/28922

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Germany faces physics graduate shortage as students turn away p514

Annette Kloboucek

doi:10.1038/28924

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Pesticide tests on humans cause concern p515

Meredith Wadman

doi:10.1038/28927

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California laboratory backs its use of volunteers p515

Meredith Wadman

doi:10.1038/28929

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News in Brief p516

doi:10.1038/28931

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Correspondence

Finding the funding for agriculture p517

R. Michael Roberts

doi:10.1038/28934

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101 uses for a natural history museum p517

Nicholas Arnold

doi:10.1038/28936

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German ambivalence to genetic engineering p517

Jürgen Hampel

doi:10.1038/28938

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News and Views

Vision in the eternal present p519

Robert Ward

doi:10.1038/28940

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100 and 50 years ago p520

doi:10.1038/28943

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Planetary science:  Io writes its history in hot metal p520

Lionel Wilson

doi:10.1038/28945

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Evolutionary biology:  Green beard as death warrant p521

Alan Grafen

doi:10.1038/28948

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Earth science:  Hot stuff under southern Chile p523

Julie D. Morris

doi:10.1038/28951

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Galactic structure:  The music of the spirals p524

Stephen Battersby

doi:10.1038/28954

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Innate immunity:  Plants just say NO to pathogens p525

Jeff Dangl

doi:10.1038/28958

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Cancer:  Proteases — invasion and more p527

Dylan R. Edwards and Gillian Murphy

doi:10.1038/28961

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Daedalus:  Smokeless powder p528

David Jones

doi:10.1038/28964

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Science and Image

Shelley's shocks p529

Electricity seemed new and magical, its limits not yetknown: could it really arouse the dead? The Frankenstein storyexpressed an era's trepidation at the prospect of discoveringthe secret of life.

Martin Kemp

doi:10.1038/28966

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Scientific Correspondence

Triclosan targets lipid synthesis p531

Laura M. McMurry, Margret Oethinger and Stuart B. Levy

doi:10.1038/28970

First paragraph | Full Text | PDF (298K)

Oldest known fossils of monocotyledons p532

M. A Gandolfo, K. C. Nixon, W. L. Crepet, D. W. Stevenson and E. M. Friis

doi:10.1038/28974

First paragraph | Full Text | PDF (301K)

Natural selection on human twinning p533

Virpi Lummaa, Erkki Haukioja, Risto Lemmetyinen and Mirja Pikkola

doi:10.1038/28977

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A Roman "implant" reconsidered p534

Marshall Joseph Becker

doi:10.1038/28980

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Reply:  A Roman "implant" reconsidered p534

Eric Crubézy, Pascal Murail, Louis Girard and Jean-Pierre Bernadou

doi:10.1038/28982

First paragraph | Full Text | PDF (144K)

Book Reviews

Focusing on what counts p535

Alexander Masters reviews The Man Who Loved Only Numbers: The Story of Paul Erdös and the Search for Mathematical Truth by Paul Hoffman

doi:10.1038/28984

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The making of a bomb scientist p536

Richard Rhodes reviews Peace and War: Reminiscences of a Life on the Frontiers of Science by Robert Serber and Robert P. Crease

doi:10.1038/28987

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NO sex please... p537

Frances M. Brodsky reviews NO by Carl Djerassi

doi:10.1038/28991

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From chaos to complexity p538

Michael F. Shlesinger reviews Chaos Theory Tamed by Garnett P. Williams and Dynamics of Complex Systems by Yaneer Bar-Yam

doi:10.1038/28995

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Articles

Design and self-assembly of two-dimensional DNA crystals p539

Erik Winfree, Furong Liu, Lisa A. Wenzler and Nadrian C. Seeman

doi:10.1038/28998

Abstract | Full Text | PDF (734K) | Supplementary information

Pitx2 determines left–right asymmetry of internal organs in vertebrates p545

Aimee K. Ryan, Bruce Blumberg, Concepción Rodriguez-Esteban, Sayuri Yonei-Tamura, Koji Tamura, Tohru Tsukui, Jennifer de la Peña, Walid Sabbagh, Jason Greenwald, Senyon Choe, Dominic P. Norris, Elizabeth J. Robertson, Ronald M. Evans, Michael G. Rosenfeld and Juan Carlos Izpisúa Belmonte

doi:10.1038/29004

Abstract | Full Text | PDF (704K) | Supplementary information

Letters to Nature

Emergence of magnetic flux on the Sun as the cause of a 158-day periodicity in sunspot areas p552

R. Oliver, J. L. Ballester and F. Baudin

doi:10.1038/29012

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Production of O₂ on icy satellites by electronic excitation of low-temperature water ice p554

M. T. Sieger, W. C. Simpson and T. M. Orlando

doi:10.1038/29015

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Fluctuation-induced diffusive instabilities p556

David A. Kessler and Herbert Levine

doi:10.1038/29020

First paragraph | Full Text | PDF (259K)

Time-reversal symmetry-breaking superconductivity in Sr₂RuO₄ p558

G. M. Luke, Y. Fudamoto, K. M. Kojima, M. I. Larkin, J. Merrin, B. Nachumi, Y. J. Uemura, Y. Maeno, Z. Q. Mao, Y. Mori, H. Nakamura and M. Sigrist

doi:10.1038/29038

First paragraph | Full Text | PDF (273K)

Weekly cycles of air pollutants, precipitation and tropical cyclones in the coastal NW Atlantic region p561

Randall S. Cerveny and Robert C. Balling, Jr

doi:10.1038/29043

First paragraph | Full Text | PDF (273K)

Stable phytoplankton community structure in the Arabian Sea over the past 200,000 years p563

C. J. Schubert, J. Villanueva, S. E. Calvert, G. L. Cowie, U. von Rad, H. Schulz, U. Berner and H. Erlenkeuser

doi:10.1038/29047

First paragraph | Full Text | PDF (320K)

Melting of a subducting oceanic crust from U–Th disequilibria in austral Andean lavas p566

O. Sigmarsson, H. Martin and J. Knowles

doi:10.1038/29052

First paragraph | Full Text | PDF (301K)

See also: News and Views by Morris

A complete primitive rhizodont from Australia p569

Zerina Johanson and Per E. Ahlberg

doi:10.1038/29058

First paragraph | Full Text | PDF (996K) | Supplementary information

Selfish genes: a green beard in the red fire ant p573

Laurent Keller and Kenneth G. Ross

doi:10.1038/29064

First paragraph | Full Text | PDF (241K)

See also: News and Views by Grafen

Visual search has no memory p575

Todd S. Horowitz and Jeremy M. Wolfe

doi:10.1038/29068

First paragraph | Full Text | PDF (211K)

See also: News and Views by Ward

Facilitation of long-term potentiation and memory in mice lacking nociceptin receptors p577

Toshiya Manabe, Yukihiro Noda, Takayoshi Mamiya, Hiroyuki Katagiri, Takeshi Houtani, Miyuki Nishi, Tetsuo Noda, Tomoyuki Takahashi, Tetsuo Sugimoto, Toshitaka Nabeshima and Hiroshi Takeshima

doi:10.1038/29073

First paragraph | Full Text | PDF (325K)

Kinetics and regulation of fast endocytosis at hippocampal synapses p581

Jürgen Klingauf, Ege T. Kavalali and Richard W. Tsien

doi:10.1038/29079

First paragraph | Full Text | PDF (435K)

Nitric oxide functions as a signal in plant disease
resistance p585

Massimo Delledonne, Yiji Xia, Richard A. Dixon and Chris Lamb

doi:10.1038/29087

First paragraph | Full Text | PDF (362K)

See also: News and Views by Dangl

Transformation of primary human endothelial cells by Kaposi's sarcoma-associated herpesvirus p588

Ornella Flore, Shahin Rafii, Scott Ely, John J. O'Leary, Elizabeth M. Hyjek and Ethel Cesarman

doi:10.1038/29093

First paragraph | Full Text | PDF (406K) | Supplementary information

Perinuclear localization of chromatin facilitates transcriptional silencing p592

Erik D. Andrulis, Aaron M. Neiman, David C. Zappulla and Rolf Sternglanz

doi:10.1038/29100

First paragraph | Full Text | PDF (364K) | Supplementary information

Crystal structure of a small heat-shock protein p595

Kyeong Kyu Kim, Rosalind Kim and Sung-Hou Kim

doi:10.1038/29106

First paragraph | Full Text | PDF (628K)

Careers and Recruitment

Scientists with business flair in demand p601

Despite the economic crisis in the Pacific rim of Asia, job opportunities for scientists, in particular ethnic Chinese scientists, are growing. Demand for those with business experience is strong as countries invest in applied research and development to try to climb their way out of their difficulties.

Richard Nathan and David Swinbanks

doi:10.1038/29114

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Tsinghua University recruits for excellence p601

doi:10.1038/29116

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New blood for Chinese academy p601

doi:10.1038/29118

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Openings in human genome research in China p602

doi:10.1038/29120

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Taiwan aims to become sci-tech island p603

doi:10.1038/29122

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Singapore attracts foreign talent p604

doi:10.1038/29125

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