The Earth and our effects on it require monitoring and analysis worthy of their complexity and importance. Now is the time to bring global observation into the twenty-first century.
doi:10.1038/433785a
Table of contents
Volume 433 Number 7028 pp785-906
In this issue (24 February 2005)
Also this week
(this content only available online) indicates content that is available online only
Top of page
News
Tests in Tokyo reveal flaws in Vietnam's bird flu surveillance p787
Cases of avian influenza have been overlooked, new evidence shows.
David Cyranoski
doi:10.1038/433787a
Flu gene discovery prompts calls for tighter monitoring p788
Lab-made virus from 1940 may have found its way into Korean pigs.
Erika Check
doi:10.1038/433788a
New York draws fire over case of drug-resistant HIV p788
Rare, aggressive form of AIDS used to publicize dangers of unprotected sex.
Erika Check
doi:10.1038/433788b
Global observation project gets green light p789
Sixty nations sign up to Earth-watching satellite system.
Declan Butler
doi:10.1038/433789a
Russian security arrests institute head for spying p789
Scientist accused of selling state secrets to South Korea.
Bryon MacWilliams
doi:10.1038/433789b
Speech transcript stokes opposition to Harvard head p790
University president Larry Summers under fire for remarks on women in science.
Emily Singer
doi:10.1038/433790a
Vioxx may go back on sale after scraping past FDA panel p790
US advisers vote not to ban painkillers that boost risk of heart attack.
Meredith Wadman
doi:10.1038/433790b
Nitrogen study fertilizes fears of pollution p791
UK field project highlights problems of excess nitrogen.
Jim Giles
doi:10.1038/433791a
Top of page
News Features
Dietary advice: Flash in the pan? p794
Obesity is the main target in the US government's latest dietary guidelines. But can this advice really make a difference? Nature's reporters sift through the heady mix of politics and science to get a taste of things to come.
Declan Butler and Helen Pearson
doi:10.1038/433794a
Around the world in three square meals p797
Food FAQs p798
Eating a healthy diet is hard work. There are hundreds of guides out there — often providing conflicting instructions. Deciding what advice to take means wrestling with a number of tough questions.
doi:10.1038/433798a
Top of page
Correspondence
Vital resource should be open to all physicists p800
Putting control in the hands of a few can enforce orthodoxy and stifle innovative ideas.
Brian D. Josephson
doi:10.1038/433800a
Climate blog could score with newer hockey stick p800
Best way to protect rock art is to leave it alone p800
Online submission makes authors do all the work p800
Top of page
Books and Arts
Scandals and safeguards p801
A scientific feast p802
doi:10.1038/433802a
Looking ahead to future brain studies p803
doi:10.1038/433803a
Exhibition: Leonardo's legacy p803
doi:10.1038/433803b
Top of page
Physics detective
Schrödinger's mousetrap p805
Part 6: A cryptic response.
Ilana Goldhaber-Gordon and David Goldhaber-Gordon
doi:10.1038/433805a
Top of page
Essay
ConceptElephant breakdown p807
Social trauma: early disruption of attachment can affect the physiology, behaviour and culture of animals and humans over generations.
G. A. Bradshaw, Allan N. Schore, Janine L. Brown, Joyce H. Poole and Cynthia J. Moss
doi:10.1038/433807a
Top of page
News and Views
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Climate change: Snow maker for the ice ages p809
In the Northern Hemisphere, large-scale glaciation was initiated comparatively recently. Paradoxically, it seems that the trigger was a seasonal warming of the sea surface in an upwind oceanic region.
Katharina Billups
doi:10.1038/433809a
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Hearing: Aid from hair force p810
Mammals hear with exquisite sensitivity and precision over a huge range of frequencies; tiny amplifiers in the inner ear make this possible. New results challenge current thinking on how these amplifiers work.
Corné Kros
doi:10.1038/433810a
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Photonics: Expect more delays p811
Slow light research has been a fast-moving topic in recent years, with potential applications from quantum computing to telecommunications. Techniques are now emerging that can slow down light in optical fibres.
Joe T. Mok and Benjamin J. Eggleton
doi:10.1038/433811a
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Immunology: Guide for a cell-fate decision p813
How does an immature cell know how to develop into a specialized one? A fortunate observation has revealed one of the cues that guide precursor immune cells to their ultimate fate.
Ellen A. Robey
doi:10.1038/433813a
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100 and 50 years ago p814
doi:10.1038/433814a
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Planetary science: Being there p814
The protoplanets that collided to make the Earth may themselves have had atmospheres and oceans. Venus has vastly more argon and neon than Earth: fossil evidence, perhaps, of protoplanetary atmospheres?
Kevin Zahnle
doi:10.1038/433814b
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Human immunodeficiency virus: Refolding the envelope p815
HIV has evolved to avoid neutralization by human antibodies. New atomic-level details reveal that such evasion involves substantial refolding of its exterior glycoprotein.
Peter D. Kwong
doi:10.1038/433815a
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Obituary: Eduard Kellenberger (1920–2004) p817
Top of page
Brief Communications
Materials chemistry: A synthetic enamel for rapid tooth repair p819
Seamless fixing of an early caries lesion can be achieved without prior excavation.
Kazue Yamagishi, Kazuo Onuma, Takashi Suzuki, Fumio Okada, Junji Tagami, Masayuki Otsuki and Pisol Senawangse
doi:10.1038/433819a
First paragraph | Full Text | PDF (130K) | Supplementary information
Ecology: A niche for cyanobacteria containing chlorophyll d p820
Michael Kühl, Min Chen, Peter J. Ralph, Ulrich Schreiber and Anthony W. D. Larkum
doi:10.1038/433820a
First paragraph | Full Text | PDF (241K) | Supplementary information
Top of page
Articles
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North Pacific seasonality and the glaciation of North America 2.7 million years ago p821
Gerald H. Haug, Andrey Ganopolski, Daniel M. Sigman, Antoni Rosell-Mele, George E. A. Swann, Ralf Tiedemann, Samuel L. Jaccard, Jörg Bollmann, Mark A. Maslin, Melanie J. Leng and Geoffrey Eglinton
doi:10.1038/nature03332
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The zinc finger transcription factor Th-POK regulates CD4 versus CD8 T-cell lineage commitment p826
Xiao He, Xi He, Vibhuti P. Dave, Yi Zhang, Xiang Hua, Emmanuelle Nicolas, Weihong Xu, Bruce A. Roe and Dietmar J. Kappes
doi:10.1038/nature03338
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Structure of an unliganded simian immunodeficiency virus gp120 core p834
Bing Chen, Erik M. Vogan, Haiyun Gong, John J. Skehel, Don C. Wiley and Stephen C. Harrison
doi:10.1038/nature03327
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Top of page
Letters to Nature
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Enhanced atmospheric loss on protoplanets at the giant impact phase in the presence of oceans p842
Hidenori Genda and Yutaka Abe
doi:10.1038/nature03360
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Raman injection laser p845
Mariano Troccoli, Alexey Belyanin, Federico Capasso, Ertugrul Cubukcu, Deborah L. Sivco and Alfred Y. Cho
doi:10.1038/nature03330
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Quantum chemical calculations show that the uranium molecule U2 has a quintuple bond p848
Laura Gagliardi and Björn O. Roos
doi:10.1038/nature03249
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Lithospheric structure of the Rio Grande rift p851
David Wilson, Richard Aster, Michael West, James Ni, Steve Grand, Wei Gao, W. Scott Baldridge, Steve Semken and Paresh Patel
doi:10.1038/nature03297
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Counter-rotating microplates at the Galapagos triple junction p855
Emily M. Klein, Deborah K. Smith, Clare M. Williams and Hans Schouten
doi:10.1038/nature03262
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New evidence on deinonychosaurian dinosaurs from the Late Cretaceous of Patagonia p858
Fernando E. Novas and Diego Pol
doi:10.1038/nature03285
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Prokaryotic cells of the deep sub-seafloor biosphere identified as living bacteria p861
Axel Schippers, Lev N. Neretin, Jens Kallmeyer, Timothy G. Ferdelman, Barry A. Cragg, R. John Parkes and Bo B. Jørgensen
doi:10.1038/nature03302
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The genome of the protist parasite Entamoeba histolytica p865
Brendan Loftus, Iain Anderson, Rob Davies, U. Cecilia M. Alsmark, John Samuelson, Paolo Amedeo, Paola Roncaglia, Matt Berriman, Robert P. Hirt, Barbara J. Mann, Tomo Nozaki, Bernard Suh, Mihai Pop, Michael Duchene, John Ackers, Egbert Tannich, Matthias Leippe, Margit Hofer, Iris Bruchhaus, Ute Willhoeft, Alok Bhattacharya, Tracey Chillingworth, Carol Churcher, Zahra Hance, Barbara Harris, David Harris, Kay Jagels, Sharon Moule, Karen Mungall, Doug Ormond, Rob Squares, Sally Whitehead, Michael A. Quail, Ester Rabbinowitsch, Halina Norbertczak, Claire Price, Zheng Wang, Nancy Guillén, Carol Gilchrist, Suzanne E. Stroup, Sudha Bhattacharya, Anuradha Lohia, Peter G. Foster, Thomas Sicheritz-Ponten, Christian Weber, Upinder Singh, Chandrama Mukherjee, Najib M. El-Sayed, William A. Petri, Jr, C. Graham Clark, T. Martin Embley, Bart Barrell, Claire M. Fraser and Neil Hall
doi:10.1038/nature03291
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Excitatory cortical neurons form fine-scale functional networks p868
Yumiko Yoshimura, Jami L. M. Dantzker and Edward M. Callaway
doi:10.1038/nature03252
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Different time courses of learning-related activity in the prefrontal cortex and striatum p873
Anitha Pasupathy and Earl K. Miller
doi:10.1038/nature03287
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CFTR channel opening by ATP-driven tight dimerization of its nucleotide-binding domains p876
Paola Vergani, Steve W. Lockless, Angus C. Nairn and David C. Gadsby
doi:10.1038/nature03313
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Force generation by mammalian hair bundles supports a role in cochlear amplification p880
H. J. Kennedy, A. C. Crawford and R. Fettiplace
doi:10.1038/nature03367
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Pax3 functions at a nodal point in melanocyte stem cell differentiation p884
Deborah Lang, Min Min Lu, Li Huang, Kurt A. Engleka, Maozhen Zhang, Emily Y. Chu, Shari Lipner, Arthur Skoultchi, Sarah E. Millar and Jonathan A. Epstein
doi:10.1038/nature03292
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Toll-like receptor 3 promotes cross-priming to virus-infected cells p887
Oliver Schulz, Sandra S. Diebold, Margaret Chen, Tanja I. Näslund, Martijn A. Nolte, Lena Alexopoulou, Yasu-Taka Azuma, Richard A. Flavell, Peter Liljeström and Caetano Reis e Sousa
doi:10.1038/nature03326
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State transitions and light adaptation require chloroplast thylakoid protein kinase STN7 p892
Stéphane Bellafiore, Frédy Barneche, Gilles Peltier and Jean-David Rochaix
doi:10.1038/nature03286
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Functional cartography of complex metabolic networks p895
Roger Guimerà and Luís A. Nunes Amaral
doi:10.1038/nature03288
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Careers and Recruitment
Career View
Naturejobs
ProspectsJob movements p901
Careers and Recruitment
India in demand p902
What's a company to do when it needs faster, cheaper new drugs and chemists are hard to find? Look for a source of bright graduates with low living costs, where legal changes have pushed firms to seek work, and you're there, says Emma Marris.
Emma Marris
doi:10.1038/nj7028-902a
Career View
