Table of contents

Food for thought p545

A row over genetically modified foods spotlights the importance of procedures for validating scientific data.

doi:10.1038/17429

News

Gag on food scientist is lifted as gene modification row hots up ... p547

Ehsan Masood

doi:10.1038/17431

Full Text | PDF (35K)

... and Blair resists demands for a moratorium p547

Ehsan Masood

doi:10.1038/17434

Full Text | PDF (35K)

African 'flexibility' may open path to biosafety agreement p548

Ehsan Masood

doi:10.1038/17436

Scientists defend French ex-ministers in blood trial p548

Declan Butler

doi:10.1038/17438

Federal panel endorses Baylor fraud claim p549

Rex Dalton

doi:10.1038/17440

Full Text | PDF (46K)

Anticancer activity of endostatin redeemed p549

Meredith Wadman

doi:10.1038/17443

Full Text | PDF (46K)

Higher status for 'research risks' office? p550

Meredith Wadman

doi:10.1038/17445

Full Text | PDF (34K)

Congressman aims to punish cloning research p550

Meredith Wadman

doi:10.1038/17447

Full Text | PDF (34K)

Early American goes for tests — at last p551

Tony Reichhardt

doi:10.1038/17450

Union backs Toronto researcher's claims p551

David Spurgeon

doi:10.1038/17453

US panel says research can be assessed p552

Wil Lepkowski

doi:10.1038/17455

Full Text | PDF (29K)

Giant radio telescope will boost search for extraterrestrial life p552

Steve Nadis

doi:10.1038/17457

Full Text | PDF (29K)

Mexico to overhaul R&D funding system p553

Laura Garwin

doi:10.1038/17460

Full Text | PDF (26K)

Switzerland adopts transplant guidelines p553

Ulrich Bahnsen

doi:10.1038/17463

Full Text | PDF (26K)

News in Brief p554

doi:10.1038/17465

Full Text | PDF (32K)

Correspondence

Don't count on World Bank initiatives p557

Felipe Cabello

doi:10.1038/17467

Full Text | PDF (42K)

Harvest time is over for UK agricultural research p557

Peter S. Kettlewell

doi:10.1038/17469

Full Text | PDF (42K)

Evolutionary forces behind human infertility p557

Jim Cummins

doi:10.1038/17471

Full Text | PDF (42K)

Why Spanish science is at a standstill p558

Angel Baltanás and Isabel Castro

doi:10.1038/17473

Full Text | PDF (28K)

News and Views

Slow light in cool atoms p559

An experiment with atoms at nanokelvin temperatures has produced the remarkable observation of light pulses travelling at velocities of only 17 m s^-1. The large optical nonlinearities seen in this system may open up new opportunities in quantum optics.

Jon Marangos

doi:10.1038/17475

Planetary science: Snapshots of an ancient cover-up p560

Maria T. Zuber

doi:10.1038/17478

Full Text | PDF (62K)

Neurobiology: A place for space and smells p561

J. N. P. Rawlins

doi:10.1038/17481

Palaeontology: Something fishy in the family tree p564

Per Erik Ahlberg

doi:10.1038/17484

Physical chemistry: The protean proton in water p565

James T. Hynes

doi:10.1038/17487

Synthetic chemistry: Sugaring vancomycin p567

Dudley H. Williams

doi:10.1038/17489

Full Text | PDF (65K)

Gene expression: The amazing demethylase p568

Howard Cedar and Gregory L. Verdine

doi:10.1038/17492

Full Text | PDF (80K)

Stem cells: Breaking the brain-blood barrier p569

Anders Bjorklund and Clive Svendsen

doi:10.1038/17495

Full Text | PDF (88K)

Daedalus: Space aeronautics p570

David Jones

doi:10.1038/17499

Full Text | PDF (53K)

Scientific Correspondence

Superalliance of bottlenose dolphins p571

Richard C. Connor, Michael R. Heithaus and Lynne M. Barre

doi:10.1038/17501

First paragraph | Full Text | PDF (74K)

Anterior sphenoid in modern humans p572

Fred Spoor, Paul O'Higgins, Christopher Dean and Daniel E. Lieberman

doi:10.1038/17505

First paragraph | Full Text | PDF (93K)

Iodine oxide in the marine boundary layer p572

Björn Alicke, Kai Hebestreit, Jochen Stutz and Ulrich Platt

doi:10.1038/17508

First paragraph | Full Text | PDF (93K) | Supplementary information

Horse sickness and ENSO in South Africa p574

Matthew Baylis, Philip S. Mellor and Rudy Meiswinkel

doi:10.1038/17512

First paragraph | Full Text | PDF (48K)

Book Reviews

Unique memories: creating the mind's 'I' p575

Martin Conway reviews Momentous Events, Vivid Memories by David B. Pillemer

doi:10.1038/17515

Full Text | PDF (93K)

Seminal work p576

Mark Ridley reviews Sperm Competition and Sexual Selection edited by T. R. Birkhead and A. P. Møller

doi:10.1038/17518

Full Text | PDF (120K)

New editions p576

doi:10.1038/17522

Full Text | PDF (120K)

Illuminating the past p577

Peter T. Fox reviews Lengthening the Day: A History of Lighting Technology by Brian Bowers

doi:10.1038/17524

Full Text | PDF (121K)

A thing to a void p578

Michael Redhead reviews Nothingness: The Science of Empty Space by Henning Genz

doi:10.1038/17528

Full Text | PDF (71K)

Nature abhors a vacuum p578

doi:10.1038/17530

Full Text | PDF (71K)

Article

A mammalian protein with specific demethylase activity for mCpG DNA p579

Sanjoy K. Bhattacharya, Shyam Ramchandani, Nadia Cervoni and Moshe Szyf

doi:10.1038/17533

Abstract | Full Text | PDF (290K)

Letters to Nature

Voluminous volcanism on early Mars revealed in Valles Marineris p584

Alfred S. McEwen, Michael C. Malin, Michael H. Carr and William K. Hartmann

doi:10.1038/17539

First paragraph | Full Text | PDF (484K)

See also: News and Views by Zuber

Evidence for recent volcanism on Mars from crater counts p586

William K. Hartmann, Michael Malin, Alfred McEwen, Michael Carr, Larry Soderblom, Peter Thomas, Ed Danielson, Phillip James and Joseph Veverka

doi:10.1038/17545

First paragraph | Full Text | PDF (422K)

See also: News and Views by Zuber

Groundwater formation of martian valleys p589

Michael C. Malin and Michael H. Carr

doi:10.1038/17551

First paragraph | Full Text | PDF (322K)

See also: News and Views by Zuber

Bright dunes on Mars p592

P. C. Thomas, M. C. Malin, M. H. Carr, G. E. Danielson, M. E. Davies, W. K. Hartmann, A. P. Ingersoll, P. B. James, A. S. McEwen, L. A. Soderblom and J. Veverka

doi:10.1038/17557

First paragraph | Full Text | PDF (303K)

See also: News and Views by Zuber

Light speed reduction to 17 metres per second in an ultracold atomic gas p594

Lene Vestergaard Hau, S. E. Harris, Zachary Dutton and Cyrus H. Behroozi

doi:10.1038/17561

First paragraph | Full Text | PDF (360K)

Luttinger-liquid behaviour in carbon nanotubes p598

Marc Bockrath, David H. Cobden, Jia Lu, Andrew G. Rinzler, Richard E. Smalley, Leon Balents and Paul L. McEuen

doi:10.1038/17569

First paragraph | Full Text | PDF (255K)

The nature of the hydrated excess proton in water p601

Dominik Marx, Mark E. Tuckerman, Jürg Hutter and Michele Parrinello

doi:10.1038/17579

First paragraph | Full Text | PDF (475K)

Discrete alternating hotspot islands formed by interaction of magma transport and lithospheric flexure p604

Christoph F. Hieronymus and David Bercovici

doi:10.1038/17584

First paragraph | Full Text | PDF (1,853K)

A primitive fossil fish sheds light on the origin of bony fishes p607

Min Zhu, Xiaobo Yu and Philippe Janvier

doi:10.1038/17594

First paragraph | Full Text | PDF (448K) | Supplementary information

Influence of motion signals on the perceived position of spatial pattern p610

Shin'ya Nishida and Alan Johnston

doi:10.1038/17600

First paragraph | Full Text | PDF (296K)

The global record of memory in hippocampal neuronal activity p613

Emma R. Wood, Paul A. Dudchenko and Howard Eichenbaum

doi:10.1038/17605

First paragraph | Full Text | PDF (304K)

Vertebrate Hedgehog signalling modulated by induction of a Hedgehog-binding protein p617

Pao-Tien Chuang and Andrew P. McMahon

doi:10.1038/17611

First paragraph | Full Text | PDF (518K)

The Rab5 effector EEA1 is a core component of endosome docking p621

Savvas Christoforidis, Heidi M. McBride, Robert D. Burgoyne and Marino Zerial

doi:10.1038/17618

First paragraph | Full Text | PDF (351K)

Photosynthetic control of chloroplast gene expression p625

Thomas Pfannschmidt, Anders Nilsson and John F. Allen

doi:10.1038/17624

First paragraph | Full Text | PDF (186K)