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Editorials

Life as we know it p1

To understand the human genome, researchers must spread their wings to all branches of life.

doi:10.1038/449001a


The big splash p1

An unforeseeable chain of insights into an event 65 million years ago merits celebration.

doi:10.1038/449001b


A question of breeding p2

China needs to rethink its approach to conservation if it wants to protect its endangered tigers.

doi:10.1038/449002a


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Research Highlights

Research highlights p4

doi:10.1038/449004a


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Journal Club

Journal club p5

doi:10.1038/449005a


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News

All about Craig: the first 'full' genome sequence p6

Revealing that the genetic pioneer has wet earwax, and more...

Heidi Ledford

doi:10.1038/449006a


Genomes within genomes p6

Bacterial parasite's DNA discovered in fruitfly host.

Ewen Callaway

doi:10.1038/449006b


DNA probe finds hints of human p7

Contamination of ancient samples may have led to claims that humans and Neanderthals interbred.

Rex Dalton

doi:10.1038/449007a


Sidelines p8

doi:10.1038/449008a


Turkish physicists face accusations of plagiarism p8

Scores of papers are removed from arXiv server.

Geoff Brumfiel

doi:10.1038/449008b


Snapshot: Rare beef p9

Indigenous livestock breeds under threat across the world.

Michael Hopkin

doi:10.1038/449009a


Biotech crop rules get rewrite p9

US regulations on genetically modified organisms under review.

Emma Marris

doi:10.1038/449009b


The dune chorus p10

Desert songs divide sand researchers

Philip Ball

doi:10.1038/449010a


Crashing DNA's ultraconservative party p10

Genetic sequences preserved through evolutionary selection might not be functional.

Erika Check

doi:10.1038/449010b


Chinese law aims to quell fear of failure p12

Science ministry hopes to encourage risk-takers.

Jane Qiu

doi:10.1038/449012a


News in brief p13

doi:10.1038/449013a


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Business

King coal constrained p14

Sustained high oil prices won't be enough to make coal liquefaction economically viable without large-scale public investment. Katharine Sanderson reports.

doi:10.1038/449014a


In brief p15

doi:10.1038/449015a


Market watch p15

doi:10.1038/449015b


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News Features

Tigers in trouble: Year of the tiger p16

Dubious science and looming legalization of the tiger trade threaten to derail China's efforts to save the Siberian tiger. Jerry Guo goes to the world's largest tiger-breeding facility to investigate.

doi:10.1038/449016a


Palaeontology: Time traps p20

The whole world felt the effects of the dinosaur-killing mass extinction 65 million years ago. But a spot in Colorado may have the best record of it. Rex Dalton reports from Denver.

doi:10.1038/449020a


Taxonomy: The Collector p23

How Paddy Patterson, one of the architects of the Encyclopedia of Life, hopes to present biodiversity to the world.

doi:10.1038/449023a


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Correspondence

Poverty and environmental stress fuel Darfur crisis p24

Jeffrey D. Sachs

doi:10.1038/449024a


A paper should appear with all the information it needs p24

Larry Benson

doi:10.1038/449024b


Diverse approaches useful for microbicide trials p24

Salim S. Abdool Karim & Quarraisha Abdool Karim

doi:10.1038/449024c


DAMA sheds light on dark-matter particles p24

Rita Bernabei & Alessandro Bottino

doi:10.1038/449024d


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Books and Arts

An act of communal imagination p25

A Disappearing Number, a play exploring the partnership between mathematicians G. H. Hardy and Srinivasa Ramanujan, opens in London this week. It is the latest of several astonishing works devised by leading international theatre company Complicite, marbled with science and technology. Artistic director Simon McBurney tells Nature about the results of his most recent round of collaboration and experimentation.

doi:10.1038/449025a


The animal in us p26

Alison Abbott reviews The Human Animal in Western Art and Science by Martin Kemp

doi:10.1038/449026a


A question of truth p27

Katherine Körner reviews A Certain Ambiguity: A Mathematical Novel by Gaurav Suri & Hartosh Singh Bal

doi:10.1038/449027a

See also: Editor's summary


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News and Views

HIV/AIDS: Allied responses p29

The main function of neutralizing antibodies is to block viral entry into host cells. But, for maximal protection against HIV, such antibodies must call upon other elements of the immune system to help with the job.

John R. Mascola

doi:10.1038/449029a

See also: Editor's summary


Solar System: Lethal billiards p30

A huge collision in the asteroid belt 160 million years ago sent fragments bagatelling around the inner Solar System. One piece might have caused the mass extinction that wiped out the dinosaurs 65 million years ago.

Philippe Claeys & Steven Goderis

doi:10.1038/449030a

See also: Editor's summary


Earthquakes: Burma's fault p33

Ninad Bondre

doi:10.1038/449033a

See also: Editor's summary


Zoology: Twice bitten p33

The toothy visage of a moray eel is a fearsome sight. The discovery that morays can thrust a second pair of jaws out from their throat to wolf down prey whole increases their predatory reputation still further.

Mark W. Westneat

doi:10.1038/449033b

See also: Editor's summary


Physical oceanography: Super spin in the southern seas p34

The southern oceans are generally considered as isolated systems, much like their northern counterparts. But a combination of historical data and new density profiles suggests that they may be connected on a global scale.

Dean Roemmich

doi:10.1038/449034a


Cell biology: Taxi service for lipids p35

With its role in intracellular protein transport already known, the FAPP2 protein has now also been implicated in lipid transfer and synthesis. What is more, these two FAPP2-mediated events seem to be linked.

Anthony H. Futerman

doi:10.1038/449035a


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News and Views Q&A

Technology: Biometric recognition p38

Whether in passports, credit cards, laptops or mobile phones, automated methods of identifying people through their anatomical features or behavioural traits are an increasing feature of modern life.

Anil K. Jain

doi:10.1038/449038a

See also: Editor's summary


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Review

Dragging of inertial frames p41

Ignazio Ciufolini

doi:10.1038/nature06071

See also: Editor's summary


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Articles

An asteroid breakup 160 Myr ago as the probable source of the K/T impactor p48

William F. Bottke, David Vokrouhlický & David Nesvorný

doi:10.1038/nature06070

See also: Editor's summary | News and Views by Claeys & Goderis


Natural history and evolutionary principles of gene duplication in fungi p54

Ilan Wapinski, Avi Pfeffer, Nir Friedman & Aviv Regev

doi:10.1038/nature06107

See also: Editor's summary


Glycosphingolipid synthesis requires FAPP2 transfer of glucosylceramide p62

Giovanni D'Angelo, Elena Polishchuk, Giuseppe Di Tullio, Michele Santoro, Antonella Di Campli, Anna Godi, Gun West, Jacek Bielawski, Chia-Chen Chuang, Aarnoud C. van der Spoel, Frances M. Platt, Yusuf A. Hannun, Roman Polishchuk, Peter Mattjus & Maria Antonietta De Matteis

doi:10.1038/nature06097

See also: News and Views by Futerman


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Letters

Entanglement of single-atom quantum bits at a distance p68

D. L. Moehring, P. Maunz, S. Olmschenk, K. C. Younge, D. N. Matsukevich, L.-M. Duan & C. Monroe

doi:10.1038/nature06118

See also: Editor's summary


Control of the electronic phase of a manganite by mode-selective vibrational excitation p72

Matteo Rini, Ra'anan Tobey, Nicky Dean, Jiro Itatani, Yasuhide Tomioka, Yoshinori Tokura, Robert W. Schoenlein & Andrea Cavalleri

doi:10.1038/nature06119

See also: Editor's summary


The potential for giant tsunamigenic earthquakes in the northern Bay of Bengal p75

Phil R. Cummins

doi:10.1038/nature06088

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


Raptorial jaws in the throat help moray eels swallow large prey p79

Rita S. Mehta & Peter C. Wainwright

doi:10.1038/nature06062

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


Genome-wide expression dynamics of a marine virus and host reveal features of co-evolution p83

Debbie Lindell, Jacob D. Jaffe, Maureen L. Coleman, Matthias E. Futschik, Ilka M. Axmann, Trent Rector, Gregory Kettler, Matthew B. Sullivan, Robert Steen, Wolfgang R. Hess, George M. Church & Sallie W. Chisholm

doi:10.1038/nature06130

See also: Editor's summary


Cadherin 23 and protocadherin 15 interact to form tip-link filaments in sensory hair cells p87

Piotr Kazmierczak, Hirofumi Sakaguchi, Joshua Tokita, Elizabeth M. Wilson-Kubalek, Ronald A. Milligan, Ulrich Müller & Bechara Kachar

doi:10.1038/nature06091

See also: Editor's summary


Temporal precision in the neural code and the timescales of natural vision p92

Daniel A. Butts, Chong Weng, Jianzhong Jin, Chun-I Yeh, Nicholas A. Lesica, Jose-Manuel Alonso & Garrett B. Stanley

doi:10.1038/nature06105

See also: Editor's summary


Polo inhibits progenitor self-renewal and regulates Numb asymmetry by phosphorylating Pon p96

Hongyan Wang, Yingshi Ouyang, W. Gregory Somers, William Chia & Bingwei Lu

doi:10.1038/nature06056

See also: Editor's summary


Fc receptor but not complement binding is important in antibody protection against HIV p101

Ann J. Hessell, Lars Hangartner, Meredith Hunter, Carin E. G. Havenith, Frank J. Beurskens, Joost M. Bakker, Caroline M. S. Lanigan, Gary Landucci, Donald N. Forthal, Paul W. H. I. Parren, Preston A. Marx & Dennis R. Burton

doi:10.1038/nature06106

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


p53 is regulated by the lysine demethylase LSD1 p105

Jing Huang, Roopsha Sengupta, Alexsandra B. Espejo, Min Gyu Lee, Jean A. Dorsey, Mario Richter, Susanne Opravil, Ramin Shiekhattar, Mark T. Bedford, Thomas Jenuwein & Shelley L. Berger

doi:10.1038/nature06092


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Naturejobs

Prospect

Prospect p109

US graduate education rebounds from effects of visa restrictions after 9/11. But how much has competition from abroad siphoned away talent?

Gene Russo

doi:10.1038/nj7158-109a


Special Report

Hydrogen hopes p110

Europe has started to invest in hydrogen, potentially paving the way for a fertile jobs market.

Quirin Schiermeier

doi:10.1038/nj7158-110a


Career View

William Chameides, dean, Nicholas School of the Environment and Earth Sciences, Duke University, Durham, North Carolina p112

Former chief scientist at Environmental Defense heads to Duke University.

Virginia Gewin

doi:10.1038/nj7158-112a


Keep your eye on the goal p112

In my tortuous road to a biotech job, I learned some important job-hunting lessons.

Limor Chen

doi:10.1038/nj7158-112b


To teach or not to teach? p112

To get a teaching position I may have to cut down on my current teaching duties.

Chris Rowan

doi:10.1038/nj7158-112c


Highlights

Highlight on Canada

doi:10.1038/nj0169


Opportunities: The National Institutes of Health

doi:10.1038/nj0170


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Futures

A bullet with your name on it p114

You have the right to remain silent.

David Hall

doi:10.1038/449114a


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