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2001, volume 412, articles 6850

Stem-cell list offers sixty-four lines pp. 843-843

Jonathan Knight

Japan's plans for space merger spark fears for basic research pp. 843-843

David Cyranoski

Elusive fossil could conceal answer to dinosaur debate pp. 844-844

Rex Dalton

LED pioneer seeks reward in court pp. 844-844

David Cyranoski

Staff survey shows women feel out in the cold at Caltech pp. 844-844

Rex Dalton

It's a dog's life for Siberian foxes pp. 845-845

Bryon MacWilliams

Joint venture on biochips ends in disarray pp. 845-845

Quirin Schiermeier

Funding bonanza for astronomy and biotech in Australia pp. 846-846

Peter Pockley

Canada unveils plans to build nanotechnology centre pp. 846-846

David Spurgeon

...as mathematicians beat retreat to Alberta pp. 846-846

Erica Klarreich

Green-fingered gang could hold climate key pp. 847-847

David Adam

Earliest malaria DNA found in Roman baby graveyard pp. 847-847

Alison Abbott

Out of sight, out of mind? pp. 850-852

Colin Macilwain

Brought down to Earth pp. 853-854

Quirin Schiermeier

Collaboration with Japan could be more tempting pp. 855-855

Angus Davison

Could a website teach communication skills? pp. 855-855

Virendra K. Bhasin

Curious effects created by reversal of colour pp. 855-855

Martin Kemp

The electrifying Australian pp. 857-857

David Penny

A world without competition pp. 858-859

Peter A. Abrams

Fertility from a metabolic viewpoint pp. 859-859

Roger V. Short

Science in culture pp. 860-860

Rex Dalton

Victor and victim pp. 861-861

Howard P. Segal

Reasoning for results pp. 863-863

Dennis Bray

Achilles' heel of cancer? pp. 865-866

Bert Vogelstein and Kenneth W. Kinzler

Photons yield to peer pressure pp. 866-867

Paul Kwiat

Creating unique blood vessels pp. 868-869

Peter Carmeliet

Protecting the quantum world pp. 869-870

Juan Pablo Paz

Antibody alterations pp. 870-871

Alberto Martin and Matthew D. Scharff

Mystery of an interstellar ion pp. 871-872

Annick Suzor-Weiner and Ioan F. Schneider

A cosmic background pp. 872-872

David Jones

The beaks of ostrich dinosaurs pp. 873-874

Mark A. Norell, Peter J. Makovicky and Philip J. Currie

Mother's voice recognition by seal pups pp. 873-873

Isabelle Charrier, Nicolas Mathevon and Pierre Jouventin

Cooperative silencing elements in var genes pp. 875-876

Kirk W. Deitsch, Michael S. Calderwood and Thomas E. Wellems

Self-assembled domain patterns pp. 875-875

Richard Plass, Julie A. Last, N. C. Bartelt and G. L. Kellogg

Identification of an angiogenic mitogen selective for endocrine gland endothelium pp. 877-884

Jennifer LeCouter, Joe Kowalski, Jessica Foster, Phil Hass, Zemin Zhang, Lisa Dillard-Telm, Gretchen Frantz, Linda Rangell, Leo DeGuzman, Gilbert-Andre Keller, Franklin Peale, Austin Gurney, Kenneth J. Hillan and Napoleone Ferrara

Characterization of extrasolar terrestrial planets from diurnal photometric variability pp. 885-887

E. B. Ford, S. Seager and E. L. Turner

Stimulated emission of polarization-entangled photons pp. 887-890

A. Lamas-Linares, J. C. Howell and D. Bouwmeester

Mechanism for the destruction of H3+ ions by electron impact pp. 891-894

V. Kokoouline, Chris H. Greene and B. D. Esry

Parasitic computing pp. 894-897

Albert-László Barabási, Vincent W. Freeh, Hawoong Jeong and Jay B. Brockman

Universal behaviour in compressive failure of brittle materials pp. 897-900

Carl E. Renshaw and Erland M. Schulson

Transition of Mount Etna lavas from a mantle-plume to an island-arc magmatic source pp. 900-904

Pierre Schiano, Roberto Clocchiatti, Luisa Ottolini and Tiziana Busà

Genetic linkage of ecological specialization and reproductive isolation in pea aphids pp. 904-907

David J. Hawthorne and Sara Via

Dynamics of travelling waves in visual perception pp. 907-910

Hugh R. Wilson, Randolph Blake and Sang-Hun Lee

Two-step process for photoreceptor formation in Drosophila pp. 911-913

Bertrand Mollereau, Maria Dominguez, Rebecca Webel, Nansi Jo Colley, Benison Keung, Jose F. de Celis and Claude Desplan

Virus-mediated killing of cells that lack p53 activity pp. 914-917

Kenneth Raj, Phyllis Ogston and Peter Beard

Rotational movement during cyclic nucleotide-gated channel opening pp. 917-921

J. P. Johnson and William N. Zagotta

Ablation of XRCC2/3 transforms immunoglobulin V gene conversion into somatic hypermutation pp. 921-926

Julian E. Sale, Daniella M. Calandrini, Minoru Takata, Shunichi Takeda and Michael S. Neuberger

Erratum: Nodulation of legumes by members of the β-subclass of Proteobacteria pp. 926-926

Lionel Moulin, Antonio Munive, Bernard Dreyfus and Catherine Boivin-Masson

2001, volume 412, articles 6849

Inorganic identity crisis pp. 3-3

Paul Smaglik

Inorganic chemists get cooking pp. 4-6

Steve Bunk

Chemists set to gain in Japan pp. 7-7

Robert Triendl

UK chemistry gets coordinated pp. 8-8

Alok Jha

Declaration of financial interests pp. 751-751

Philip Campbell

Partners turn to court over stem-cell rights pp. 753-753

Jonathan Knight

Stem-cell giveaway proposed as confusion reigns over cell count pp. 753-754

Jonathan Knight

Riders on the storm provoke studies of Atlantic dust pp. 754-754

Rex Dalton

Japan banks on tissue store for successful drugs pp. 754-754

David Cyranoski

German centre set to improve brain's image pp. 755-755

Alison Abbott

Ecologists plot to turn the tide for shrinking lake pp. 756-756

Quirin Schiermeier

Code-breakers reveal results as threat of legal action is lifted pp. 756-756

Rex Dalton

Staff suggest cure for Smithsonian woes pp. 757-757

Josette Chen

Flickering light raises possibility of changing 'constant' pp. 757-757

David Adam

The battlefields of Britain pp. 760-763

Trisha Gura

The positron probe pp. 764-764

Philip Ball

How commercialization puts a blight on research pp. 765-765

Graeme Laver, Arno Müllbacher and Paul Waring

Biotechnology gets big backing in Australia pp. 765-765

Sandy Radke

Galapagos or bust pp. 767-768

Joe Cain

Dispelling a myth pp. 768-769

Mary-Lou Pardue

Born in difficult times pp. 769-770

Giorgio G. C. Palumbo

Yes, but what's it for? pp. 771-771

Steve Blinkhorn

Delicate information pp. 773-773

Rainer Blatt

Fast track to fusion energy pp. 775-776

Michael H. Key

The many faces of adaptation pp. 776-777

Pamela Reinagel

Journey beneath southern Africa pp. 777-780

Suzanne Y. O'Reilly

Clocks and Hox pp. 780-781

Clifford J. Tabin and Randy L. Johnson

Gases make a rare appearance pp. 781-783

Typhoon Lee

Armed for light sensing pp. 783-783

Roy Sambles

Neutrinos in orbit pp. 784-784

David Jones

Export of organic carbon from peat soils pp. 785-785

C. Freeman, C. D. Evans, D. T. Monteith, B. Reynolds and N. Fenner

Ancient homes for hard-up hermit crabs pp. 785-786

David K. A. Barnes

Efficiency and ambiguity in an adaptive neural code pp. 787-792

Adrienne L. Fairhall, Geoffrey D. Lewen, William Bialek and Robert R. de Ruyter van Steveninck

Discovery of three lead-rich stars pp. 793-795

S. Van Eck, S. Goriely, A. Jorissen and B. Plez

Noble-gas-rich chondrules in an enstatite meteorite pp. 795-798

Ryuji Okazaki, Nobuo Takaoka, Keisuke Nagao, Minoru Sekiya and Tomoki Nakamura

Fast heating of ultrahigh-density plasma as a step towards laser fusion ignition pp. 798-802

R. Kodama, P. A. Norreys, K. Mima, A. E. Dangor, R. G. Evans, H. Fujita, Y. Kitagawa, K. Krushelnick, T. Miyakoshi, N. Miyanaga, T. Norimatsu, S. J. Rose, T. Shozaki, K. Shigemori, A. Sunahara, M. Tampo, K. A. Tanaka, Y. Toyama, T. Yamanaka and M. Zepf

Formation of ordered ice nanotubes inside carbon nanotubes pp. 802-805

Kenichiro Koga, G. T. Gao, Hideki Tanaka and X. C. Zeng

Efficient silicon light-emitting diodes pp. 805-808

Martin A. Green, Jianhua Zhao, Aihua Wang, Peter J. Reece and Michael Gal

Intensified deep Pacific inflow and ventilation in Pleistocene glacial times pp. 809-812

Ian R. Hall, I. Nicholas McCave, Nicholas J. Shackleton, Graham P. Weedon and Sara E. Harris

Tectonic contraction across Los Angeles after removal of groundwater pumping effects pp. 812-815

Gerald W. Bawden, Wayne Thatcher, Ross S. Stein, Ken W. Hudnut and Gilles Peltzer

Evidence of intra-specific competition for food in a pelagic seabird pp. 816-819

S. Lewis, T. N. Sherratt, K. C. Hamer and S. Wanless

Calcitic microlenses as part of the photoreceptor system in brittlestars pp. 819-822

Joanna Aizenberg, Alexei Tkachenko, Steve Weiner, Lia Addadi and Gordon Hendler

Delineation of prognostic biomarkers in prostate cancer pp. 822-826

Saravana M. Dhanasekaran, Terrence R. Barrette, Debashis Ghosh, Rajal Shah, Sooryanarayana Varambally, Kotoku Kurachi, Kenneth J. Pienta, Mark A. Rubin and Arul M. Chinnaiyan

Haematopoietic cell-specific CDM family protein DOCK2 is essential for lymphocyte migration pp. 826-831

Yoshinori Fukui, Osamu Hashimoto, Terukazu Sanui, Takamasa Oono, Hironori Koga, Masaaki Abe, Ayumi Inayoshi, Mayuko Noda, Masahiro Oike, Toshikazu Shirai and Takehiko Sasazuki

The core of the motor domain determines the direction of myosin movement pp. 831-834

Kazuaki Homma, Misako Yoshimura, Junya Saito, Reiko Ikebe and Mitsuo Ikebe

Catalysis by hen egg-white lysozyme proceeds via a covalent intermediate pp. 835-838

David J. Vocadlo, Gideon J. Davies, Roger Laine and Stephen G. Withers

2001, volume 412, articles 6848

Mixed fortunes in France pp. 3-3

Paul Smaglik

Bush compromise raises doubts over stem-cell resilience pp. 665-665

Jonathan Knight

Biologists officially welcome plan pp. 665-665

Paul Smaglik

Nutritionists question study of organic food pp. 666-666

David Adam

Wellcome Trust sets out fresh misconduct standards pp. 667-667

Erica Klarreich

Academies called to task over human cloning débâcle pp. 667-667

Laura Bonetta

Nigeria takes the initiative in African science pp. 668-668

Alison Abbott

Feminized fish encourage Japan to test pollution links pp. 668-668

David Cyranoski

Animal data jeopardized by life behind bars pp. 669-669

Jonathan Knight

Chemistry journal reacts to dispute pp. 669-669

David Adam

To boldly go pp. 672-673

Mark Schrope

The best supporting actors pp. 674-676

Bas Kast

Organic movement reveals a shift in the social position of science pp. 677-677

Annette Mørkeberg and John R. Porter

Politics defeats science at environment agency pp. 677-677

Henry I. Miller

Cooperation among labs is appreciated pp. 677-677

Judah Folkman

A quintessential pluralist pp. 679-680

John Maddox

Signing on the genetic line pp. 680-681

Ruth Chadwick

Physics for non-physicists pp. 681-682

Peter Landsberg

The genetic complexity of life pp. 682-682

Brian Charlesworth

Stranger than fiction pp. 683-683

Julyan Cartwright

A purgative mastery pp. 685-686

G. J. V. Nossal

Quantum ripples in chaos pp. 687-688

Andreas Albrecht

Flight of the robofly pp. 688-689

George V. Lauder

Cooperation includes all atoms pp. 689-690

Juha Javanainen

Stem cells on the brain pp. 690-691

Robert Cassidy and Jonas Frisén

Gas hydrates and deglaciations pp. 691-692

Stein B. Jacobsen

Dynamic categories pp. 693-694

Michael P. Kilgard

A new model Moon pp. 694-695

Jay Melosh

Blood and iron pp. 695-695

David Jones

Donald J. Cram (1919–2001) pp. 696-696

M. Frederick Hawthorne

Finer features for functional microdevices pp. 697-698

Satoshi Kawata, Hong-Bo Sun, Tomokazu Tanaka and Kenji Takada

Viviparous lizard selects sex of embryos pp. 698-699

Kylie A. Robert and Michael B. Thompson

Astronomical orientation of the pyramids pp. 699-699

Dennis Rawlins and Keith Pickering

Astronomical orientation of the pyramids pp. 699-700

Kate Spence

Structural mimicry in bacterial virulence pp. 701-705

C. Erec Stebbins and Jorge E. Galán

Deficiency of molecular hydrogen in the disk of β Pictoris pp. 706-708

A. Lecavelier des Etangs, A. Vidal-Madjar, A. Roberge, P. D. Feldman, M. Deleuil, M. André, W. P. Blair, J.-C. Bouret, J.-M. Désert, R. Ferlet, S. Friedman, G. Hébrard, M. Lemoine and H. W. Moos

Origin of the Moon in a giant impact near the end of the Earth's formation pp. 708-712

Robin M. Canup and Erik Asphaug

Sub-Planck structure in phase space and its relevance for quantum decoherence pp. 712-717

Wojciech Hubert Zurek

Crystalline ion beams pp. 717-720

T. Schätz, U. Schramm and D. Habs

A titanosilicate molecular sieve with adjustable pores for size-selective adsorption of molecules pp. 720-724

Steven M. Kuznicki, Valerie A. Bell, Sankar Nair, Hugh W. Hillhouse, Richard M. Jacubinas, Carola M. Braunbarth, Brian H. Toby and Michael Tsapatsis

The timing of the last deglaciation in North Atlantic climate records pp. 724-727

Claire Waelbroeck, Jean-Claude Duplessy, Elisabeth Michel, Laurent Labeyrie, Didier Paillard and Josette Duprat

Direct observation of a submarine volcanic eruption from a sea-floor instrument caught in a lava flow pp. 727-729

Christopher G. Fox, William W. Chadwick and Robert W. Embley

Spanwise flow and the attachment of the leading-edge vortex on insect wings pp. 729-733

James M. Birch and Michael H. Dickinson

Change in pattern of ongoing cortical activity with auditory category learning pp. 733-736

F. W. Ohl, H. Scheich and W. J. Freeman

Purification of a pluripotent neural stem cell from the adult mouse brain pp. 736-739

Rodney L. Rietze, Helen Valcanis, Gordon F. Brooker, Tim Thomas, Anne K. Voss and Perry F. Bartlett

Antibodies inhibit prion propagation and clear cell cultures of prion infectivity pp. 739-743

David Peretz, R. Anthony Williamson, Kiotoshi Kaneko, Julie Vergara, Estelle Leclerc, Gerold Schmitt-Ulms, Ingrid R. Mehlhorn, Giuseppe Legname, Mark R. Wormald, Pauline M. Rudd, Raymond A. Dwek, Dennis R. Burton and Stanley B. Prusiner

Iron deficiency induces the formation of an antenna ring around trimeric photosystem I in cyanobacteria pp. 743-745

Thomas S. Bibby, Jon Nield and James Barber

A giant chlorophyll–protein complex induced by iron deficiency in cyanobacteria pp. 745-748

E. J. Boekema, A. Hifney, A. E. Yakushevska, M. Piotrowski, W. Keegstra, S. Berry, K.-P. Michel, E. K. Pistorius and J. Kruip

erratum: Elevated c-myc expression facilitates the replication of SV40 DNA in human lymphoma cells pp. 748-748

Marie Classon, Marie Henriksson, Janos Sümegi, George Klein and Marie-Louise Hammarskjöld

2001, volume 412, articles 6847

Subtracting mathematicians pp. 3-3

Paul Smaglik

The numbers game pp. 4-5

Potter Wickware

Drugs firms inflate research costs, watchdog says pp. 571-571

Jonathan Knight

Mad-cow outbreak spurs German drive to combat prion diseases pp. 571-572

Alison Abbott

Medical journals seek means to free authors from industry pp. 572-572

Paul Smaglik

Golf course threatens to leave hole in fossil records pp. 572-572

Rex Dalton

Canada plans to give unified voice to science pp. 573-573

David Dickson

Commission plots transgenic future pp. 573-573

Peter Pockley

Whistle-blowers wait for overbilling verdict pp. 574-574

Rex Dalton

Soccer robots get the ball rolling pp. 574-574

Quirin Schiermeier

Enterprising drug company offers cash for chemicals pp. 575-575

David Adam

Senate urges Bush to act on climate change pp. 575-575

Quirin Schiermeier

Down and out in Murray Hill pp. 578-579

Irwin Goodwin

Faster, better, cheaper genotyping pp. 580-582

Marina Chicurel

Finding the right questions to ask about the lives of human clones pp. 583-583

Ian Wilmut

Why are Indian journals' impact factors so low? pp. 583-583

S. B. Vohora and Divya Vohora

Genome helpdesk site keeps information public pp. 583-583

Sir George Radda

Society talks back pp. 585-586

Jean-Jacques Salomon

The case of the missing carpaccio pp. 586-587

Jerry A. Coyne

An energetic view of nature pp. 587-588

George Ellis

Science in culture pp. 588-588

Martin Kemp

Avoiding ambiguity pp. 589-589

Sunetra Gupta

Design by numbers pp. 591-591

R. McNeill Alexander

Nifty nanoplankton pp. 593-594

Jed A. Fuhrman and Douglas G. Capone

Momentous period for nanotubes pp. 595-597

David Goldhaber-Gordon and Ilana Goldhaber-Gordon

The ABC of symbiosis pp. 597-598

J. Allan Downie and J. Peter W. Young

On the threshold of stability pp. 598-601

Heinz D. Roth

Barriers come down pp. 601-602

Ulrich Siebenlist

Encapsulated gas pp. 602-602

David Jones

Pattern of focal γ-bursts in chess players pp. 603-603

Ognjen Amidzic, Hartmut J. Riehle, Thorsten Fehr, Christian Wienbruch and Thomas Elbert

Low mechanical signals strengthen long bones pp. 603-604

Clinton Rubin, A. Simon Turner, Steven Bain, Craig Mallinckrodt and Kenneth McLeod

Realignment of cones after cataract removal pp. 604-605

Harvey S. Smallman, Donald I. A. MacLeod and Peter Doyle

Antarctic stratification and glacial CO2 pp. 605-606

Ralph F. Keeling and Martin Visbeck

Antarctic stratification and glacial CO2 pp. 606-606

Daniel M. Sigman and Edward A. Boyle

Structure of the Ku heterodimer bound to DNA and its implications for double-strand break repair pp. 607-614

John R. Walker, Richard A. Corpina and Jonathan Goldberg

History of trace gases in presolar diamonds inferred from ion-implantation experiments pp. 615-617

A. P. Koscheev, M. D. Gromov, R. K. Mohapatra and U. Ott

Two-dimensional imaging of electronic wavefunctions in carbon nanotubes pp. 617-620

Serge G. Lemay, Jorg W. Janssen, Michiel van den Hout, Maarten Mooij, Michael J. Bronikowski, Peter A. Willis, Richard E. Smalley, Leo P. Kouwenhoven and Cees Dekker

Observation of individual vortices trapped along columnar defects in high-temperature superconductors pp. 620-622

A. Tonomura, H. Kasai, O. Kamimura, T. Matsuda, K. Harada, Y. Nakayama, J. Shimoyama, K. Kishio, T. Hanaguri, K. Kitazawa, M. Sasase and S. Okayasu

Vacancies in solids and the stability of surface morphology pp. 622-625

K. F. McCarty, J. A. Nobel and N. C. Bartelt

Generation and characterization of a fairly stable triplet carbene pp. 626-628

Hideo Tomioka, Eri Iwamoto, Hidetaka Itakura and Katsuyuki Hirai

Normal faulting in central Tibet since at least 13.5 Myr ago pp. 628-632

Peter M. Blisniuk, Bradley R. Hacker, Johannes Glodny, Lothar Ratschbacher, Siwen Bi, Zhenhan Wu, Michael O. McWilliams and Andy Calvert

Resistance to mantle flow inferred from the electromagnetic strike of the Australian upper mantle pp. 632-635

Fiona Simpson

Unicellular cyanobacteria fix N2 in the subtropical North Pacific Ocean pp. 635-638

Jonathan P. Zehr, John B. Waterbury, Patricia J. Turner, Joseph P. Montoya, Enoma Omoregie, Grieg F. Steward, Andrew Hansen and David M. Karl

Density-dependent mortality in an oceanic copepod population pp. 638-641

M. D. Ohman and H.-J. Hirche

Erythropoietin-mediated neuroprotection involves cross-talk between Jak2 and NF-κB signalling cascades pp. 641-647

Murat Digicaylioglu and Stuart A. Lipton

Spred is a Sprouty-related suppressor of Ras signalling pp. 647-651

Toru Wakioka, Atsuo Sasaki, Reiko Kato, Takanori Shouda, Akira Matsumoto, Kanta Miyoshi, Makoto Tsuneoka, Setsuro Komiya, Roland Baron and Akihiko Yoshimura

General transcription factors bind promoters repressed by Polycomb group proteins pp. 651-655

Achim Breiling, Bryan M. Turner, Marco E. Bianchi and Valerio Orlando

A Drosophila Polycomb group complex includes Zeste and dTAFII proteins pp. 655-660

Andrew J. Saurin, Zhaohui Shao, Hediye Erdjument-Bromage, Paul Tempst and Robert E. Kingston

Correction: Aβ peptide vaccination prevents memory loss in an animal model of Alzheimer's disease pp. 660-660

Dave Morgan, David M. Diamond, Paul E. Gottschall, Kenneth E. Ugen, Chad Dickey, John Hardy, Karen Duff, Paul Jantzen, Giovanni DiCarlo, Donna Wilcock, Karen Connor, Jaime Hatcher, Caroline Hope, Marcia Gordon and Gary W. Arendash

Erratum: LTRPC7 is a Mg·ATP-regulated divalent cation channel required for cell viability pp. 660-660

Monica J. S. Nadler, Meredith C. Hermosura, Kazunori Inabe, Anne-Laure Perraud, Qiqin Zhu, Alexander J. Stokes, Tomohiro Kurosaki, Jean-Pierre Kinet, Reinhold Penner, Andrew M. Scharenberg and Andrea Fleig

Erratum: Coexistence of superconductivity and ferromagnetism in the d-band metal ZrZn2 pp. 660-660

C. Pfleiderer, M. Uhlarz, S. M. Hayden, R. Vollmer, H. v. Löhneysen, N. R. Bernhoeft and G. G. Lonzarich

2001, volume 412, articles 6846

Stem-cell seduction pp. 3-3

Paul Smaglik

Nuclear physicists red-faced over elementary mistake pp. 465-465

David Adam

Tough decisions loom as funding crisis hits space-station research pp. 465-466

Tony Reichhardt

Johns Hopkins embroiled in fresh misconduct allegations pp. 466-466

K. S. Jayaraman

Pressure grows over US blood ban pp. 467-467

Sally Goodman

Review blames BSE outbreak on calf feed pp. 467-467

David Adam

Hopes of biotech interest spur Latvian population genetics pp. 468-468

Alison Abbott

Physicist claims gagging over missile defence system pp. 468-468

Jonathan Knight

Weizmann finance chief embezzled $5 million pp. 469-469

Haim Watzman

Public library set to turn publisher as boycott looms pp. 469-469

Declan Butler

When the going gets tough pp. 472-473

David Adam

Measuring the immeasurable pp. 474-476

Yudhijit Bhattacharjee

Vets asked valuable questions about foot-and-mouth measures pp. 477-477

R. G. Eddy

Always a role for debate between disciplines pp. 477-477

J. M. Scudamore

Beneficiaries should pay pp. 477-477

Henry Nathan

Research doesn't denigrate humanity pp. 479-480

Hubert Markl

Ecology goes macro pp. 481-482

Pablo A. Marquet

What you see pp. 482-483

Daniel L. Adams and Jonathan C. Horton

Supersymmetrical physics pp. 483-484

Hans Peter Nilles

At cross purposes pp. 485-485

David M. Wilkinson

Climbing life's tree pp. 487-487

Graham Budd

Flexible electronic futures pp. 489-490

Robert J. Hamers

Uncertain population forecasts pp. 490-491

Nico Keilman

Boning up on biology pp. 491-492

T. Andrew Taton

Cycling silence pp. 493-494

Leonie Ringrose and Renato Paro

Is kinky conventional? pp. 494-495

Philip B. Allen

Emotional education pp. 495-495

David Jones

Viktor Hamburger (1900–2001) pp. 496-496

Jean M. Lauder and Ronald Oppenheim

Fossil molar from a Madagascan marsupial pp. 497-498

David W. Krause

Sex differences in avian yolk hormone levels pp. 498-498

Marion Petrie, Hubert Schwabl, Nanna Brande-Lavridsen and Terry Burke

Sex differences in avian yolk hormone levels pp. 498-498

Emma J. A. Cunningham and Andrew F. Russell

Global amphibian population declines pp. 499-500

Ross A. Alford, Philip M. Dixon and Joseph H. K. Pechmann

Global amphibian population declines pp. 500-500

Jeff. E. Houlahan, C. Scott Findlay, Andrea H. Meyer, Sergius L. Kuzmin and Benedikt R. Schmidt

The Earth's mantle pp. 501-507

George R. Helffrich and Bernard J. Wood

Ground-based observation of emission lines from the corona of a red-dwarf star pp. 508-510

J. H. M. M. Schmitt and Roberta Wichmann

Evidence for ubiquitous strong electron–phonon coupling in high-temperature superconductors pp. 510-514

A. Lanzara, P. V. Bogdanov, X. J. Zhou, S. A. Kellar, D. L. Feng, E. D. Lu, T. Yoshida, H. Eisaki, A. Fujimori, K. Kishio, J.-I. Shimoyama, T. Noda, S. Uchida, Z. Hussain and Z.-X. Shen

Fragile-to-strong transition and polyamorphism in the energy landscape of liquid silica pp. 514-517

Ivan Saika-Voivod, Peter H. Poole and Francesco Sciortino

Growth dynamics of pentacene thin films pp. 517-520

Frank-J. Meyer zu Heringdorf, M. C. Reuter and R. M. Tromp

Ionic conductivity in crystalline polymer electrolytes pp. 520-523

Zlatka Gadjourova, Yuri G. Andreev, David P. Tunstall and Peter G. Bruce

Covariation of carbon dioxide and temperature from the Vostok ice core after deuterium-excess correction pp. 523-527

Kurt M. Cuffey and Françoise Vimeux

Chemical interaction of Fe and Al2O3 as a source of heterogeneity at the Earth's core–mantle boundary pp. 527-529

L. Dubrovinsky, H. Annersten, N. Dubrovinskaia, F. Westman, H. Harryson, O. Fabrichnaya and S. Carlson

The last of the dinosaur titans: a new sauropod from Madagascar pp. 530-534

Kristina Curry Rogers and Catherine A. Forster

Neanderthal cranial ontogeny and its implications for late hominid diversity pp. 534-538

Marcia S. Ponce de León and Christoph P. E. Zollikofer

Habitat structure and population persistence in an experimental community pp. 538-543

Stephen P. Ellner, Edward McCauley, Bruce E. Kendall, Cheryl J. Briggs, Parveiz R. Hosseini, Simon N. Wood, Arne Janssen, Maurice W. Sabelis, Peter Turchin, Roger M. Nisbet and William W. Murdoch

The end of world population growth pp. 543-545

Wolfgang Lutz, Warren Sanderson and Sergei Scherbov

Retrospective and prospective coding for predicted reward in the sensory thalamus pp. 546-549

Yutaka Komura, Ryoi Tamura, Teruko Uwano, Hisao Nishijo, Kimitaka Kaga and Taketoshi Ono

Practising orientation identification improves orientation coding in V1 neurons pp. 549-553

Aniek Schoups, Rufin Vogels, Ning Qian and Guy Orban

Regulation of DNA replication fork progression through damaged DNA by the Mec1/Rad53 checkpoint pp. 553-557

José Antonio Tercero and John F. X. Diffley

The DNA replication checkpoint response stabilizes stalled replication forks pp. 557-561

Massimo Lopes, Cecilia Cotta-Ramusino, Achille Pellicioli, Giordano Liberi, Paolo Plevani, Marco Muzi-Falconi, Carol S. Newlon and Marco Foiani

Rb targets histone H3 methylation and HP1 to promoters pp. 561-565

Soren J. Nielsen, Robert Schneider, Uta-Maria Bauer, Andrew J. Bannister, Ashby Morrison, Donal O'Carroll, Ron Firestein, Michael Cleary, Thomas Jenuwein, Rafael E. Herrera and Tony Kouzarides

Erratum: The homeobox gene lim-6 is required for distinct chemosensory representations in C. elegans pp. 566-566

Jonathan T. Pierce-Shimomura, Serge Faumont, Michelle R. Gaston, Bret J. Pearson and Shawn R. Lockery

Erratum: The zebrafish Nodal signal Squint functions as a morphogen pp. 566-566

Yu Chen and Alexander F. Schier

2001, volume 412, articles 6845

More data, more potential pp. 3-3

Paul Smaglik

Hong Kong: Putting the pieces together pp. 4-5

David Cyranoski

Johns Hopkins researchers fume over government crackdown pp. 363-363

Meredith Wadman

Scientists fear new guidelines will stifle basic research pp. 364-364

David Cyranoski

Drugs approval process gets speed treatment pp. 364-364

Erica Klarreich

'Political fix' saves Kyoto deal from collapse pp. 365-365

Jim Giles

US rejects bioweapon inspections pp. 365-365

Jonathan Knight

Author of anti-encryption program faces jail pp. 366-366

Rex Dalton

NASA mission has wind in its sails pp. 366-366

William Triplett

Physicists rally behind linear-collider plan pp. 367-367

Colin Macilwain

Sea lions massacred in Galapagos for sex organs pp. 367-367

Rex Dalton

Building a biopolis pp. 370-371

David Cyranoski

Picture perfect pp. 372-374

Corie Lok

Framework welcome, but could do with fine-tuning pp. 375-375

Frédéric Sgard

Climate-change strategy needs to be robust pp. 375-375

Robert Lempert and Michael E. Schlesinger

When three's not a crowd pp. 375-375

Michael A. Thomas

Medicine as performance pp. 377-378

John Harley Warner

The director's tale pp. 378-379

Susan Wright

Mitigating mutations pp. 379-380

Andrew Berry

To begin at the beginning pp. 380-381

Sean J. Morrison

Reactions of a chemical nature pp. 381-382

Georges Bram

Science in culture pp. 382-382

Martin Kemp

Celebrating science pp. 383-383

John Carmody

Ultradivided matter pp. 385-385

Pierre-Gilles de Gennes

Caught in the crossflow pp. 387-388

Elizabeth L. Brainerd

How green was my ester pp. 388-389

Giorgio Strukul

Feeling bumps and holes pp. 389-391

J. Randall Flanagan and Susan J. Lederman

In search of soft solutions pp. 391-392

Douglas Durian and Haim Diamant

Rings of destruction pp. 392-393

Tomas Ganz

Talk of two theories pp. 393-394

Franck Ramus

Uncool Callisto pp. 395-396

Kristin A. Bennett

Birds in a buffer state pp. 396-396

Rory Howlett

Deft definitions pp. 396-396

David Jones

Chemistry beyond the molecule pp. 397-400

Gautam R. Desiraju

Persistence of visual memory for scenes pp. 401-401

David Melcher

Evolution of growth pattern in birds pp. 402-403

Anusuya Chinsamy and Andrzej Elzanowski

Directed deterrence by capsaicin in chillies pp. 403-404

Joshua J. Tewksbury and Gary P. Nabhan

Epitaxial diamond polytypes on silicon pp. 404-404

Y. Lifshitz, X. F. Duan, N. G. Shang, Q. Li, L. Wan, Ibrahim Bello and S. T. Lee

Dinosaurian growth rates and bird origins pp. 405-408

Kevin Padian, Armand J. de Ricqlès and John R. Horner

The stability against freezing of an internal liquid-water ocean in Callisto pp. 409-411

Javier Ruiz

Evidence for recent climate change on Mars from the identification of youthful near-surface ground ice pp. 411-414

John F. Mustard, Christopher D. Cooper and Moses K. Rifkin

In situ detection of collisionless reconnection in the Earth's magnetotail pp. 414-417

M. Øieroset, T. D. Phan, M. Fujimoto, R. P. Lin and R. P. Lepping

Quantum-enhanced positioning and clock synchronization pp. 417-419

Vittorio Giovannetti, Seth Lloyd and Lorenzo Maccone

Diamagnetic activity above Tc as a precursor to superconductivity in La2-xSrxCuO4 thin films pp. 420-423

Ienari Iguchi, Tetsuji Yamaguchi and Akira Sugimoto

Sn-zeolite beta as a heterogeneous chemoselective catalyst for Baeyer–Villiger oxidations pp. 423-425

Avelino Corma, Laszlo T. Nemeth, Michael Renz and Susana Valencia

Warm tropical ocean surface and global anoxia during the mid-Cretaceous period pp. 425-429

Paul A. Wilson and Richard D. Norris

Dinosaurian growth patterns and rapid avian growth rates pp. 429-433

Gregory M. Erickson, Kristina Curry Rogers and Scott A. Yerby

Mealybug β-proteobacterial endosymbionts contain γ-proteobacterial symbionts pp. 433-436

Carol D. von Dohlen, Shawn Kohler, Skylar T. Alsop and William R. McManus

The buffer effect and large-scale population regulation in migratory birds pp. 436-438

Jennifer A. Gill, Ken Norris, Peter M. Potts, Tómas Grétar Gunnarsson, Philip W. Atkinson and William J. Sutherland

Crossflow filtration in suspension-feeding fishes pp. 439-441

S. Laurie Sanderson, Angela Y. Cheer, Jennifer S. Goodrich, Jenny D. Graziano and W. Todd Callan

Natural conjugative plasmids induce bacterial biofilm development pp. 442-445

Jean-Marc Ghigo

Force can overcome object geometry in the perception of shape through active touch pp. 445-448

Gabriel Robles- De-La-Torre and Vincent Hayward

Ubiquitination-dependent mechanisms regulate synaptic growth and function pp. 449-452

Aaron DiAntonio, Ali P. Haghighi, Scott L. Portman, Jason D. Lee, Andrew M. Amaranto and Corey S. Goodman

Antibacterial agents based on the cyclic d,l-α-peptide architecture pp. 452-455

Sara Fernandez-Lopez, Hui-Sun Kim, Ellen C. Choi, Mercedes Delgado, Juan R. Granja, Alisher Khasanov, Karin Kraehenbuehl, Georgina Long, Dana A. Weinberger, Keith M. Wilcoxen and M. Reza Ghadiri

RPA governs endonuclease switching during processing of Okazaki fragments in eukaryotes pp. 456-461

Sung-Ho Bae, Kwang-Hee Bae, Jung-Ae Kim and Yeon-Soo Seo

2001, volume 412, articles 6844

Immunological planets align pp. 3-3

Paul Smaglik

Immunological assay of Europe pp. 4-5

Helen Gavaghan

Immune response looks healthy pp. 6-8

Diane Gershon

Smithsonian head ruffled by inquiry pp. 257-257

Corie Lok

Britain seeks transgenics deal to fend off transatlantic trade war pp. 257-258

David Dickson

Millennium Dome sees signs of a Wellcome break pp. 258-258

Peter Aldhous

Simple technology could reclaim America's lost votes pp. 258-258

Mark Schrope

Congress touts budget boost for NASA and the NSF pp. 259-259

Tony Reichhardt

Physical sciences lose ground as US shifts towards biology pp. 259-259

Jonathan Knight

Search for alien life reasserts its credibility pp. 260-260

William Triplett

Action urged to combat killer algae pp. 260-260

Rex Dalton

Outbreak of chicken flu rattles Hong Kong pp. 261-261

David Cyranoski

Disgruntled homeopathists seek remedy in court pp. 261-261

Alison Abbott

Forza scienza! pp. 264-265

Alison Abbott

Windows on the brain pp. 266-268

Marina Chicurel

Making sure that the world's palaeodata do not get buried pp. 269-269

Keith Alverson and C. Mark Eakin

Who will organize sharing of biodiversity data? pp. 269-269

Michael Boulter

Mistaken identity in a watery arms race pp. 269-269

Richard M. Crawford

Mission now possible for AIDS fund pp. 271-272

Peter Hale, Malegapuru William Makgoba, Michael H. Merson, Thomas C. Quinn, Douglas D. Richman, Stefano Vella, Fred Wabwire-Mangen, Simon Wain-Hobson and Robin A. Weiss

Success hinges on support for treatment pp. 272-272

Peter Hale, Malegapuru William Makgoba, Michael H. Merson, Thomas C. Quinn, Douglas D. Richman, Stefano Vella, Fred Wabwire-Mangen, Simon Wain-Hobson and Robin A. Weiss

China on the losing side pp. 273-274

Crispin Tickell

The battle against lethal vectors pp. 274-275

C. F. Curtis

Transgenic ills and otherwise pp. 275-276

Bernard Dixon

Not quite the whole story pp. 276-276

Karine Chemla

Walking with producers pp. 277-277

Simon Lamb

The fog that was not pp. 279-279

Ahmed H. Zewail

New-age drug meets resistance pp. 281-282

Frank McCormick

Dark arc casts a long shadow pp. 282-283

John M. Dickey

An alternative to destruction pp. 283-285

Daniel Finley

Space for hydrogen pp. 286-289

Bo Barker Jørgensen

End game for B cells pp. 289-290

Kathryn Calame

Iron cast in exotic role pp. 290-291

S. S. Saxena and Peter B. Littlewood

Cytoskeleton in the cell cycle pp. 291-292

Yukinobu Nakaseko and Mitsuhiro Yanagida

Unchemical chemistry pp. 292-292

David Jones

Nile flooding sank two ancient cities pp. 293-294

Jean-Daniel Stanley, Franck Goddio and Gerard Schnepp

An unusual social display by gorillas pp. 294-294

Richard J. Parnell and Hannah M. Buchanan-Smith

Dynamics of collapsing and exploding Bose–Einstein condensates pp. 295-299

Elizabeth A. Donley, Neil R. Claussen, Simon L. Cornish, Jacob L. Roberts, Eric A. Cornell and Carl E. Wieman

Plasma cell differentiation requires the transcription factor XBP-1 pp. 300-307

Andreas M. Reimold, Neal N. Iwakoshi, John Manis, Prashanth Vallabhajosyula, Eva Szomolanyi-Tsuda, Ellen M. Gravallese, Daniel Friend, Michael J. Grusby, Frederick Alt and Laurie H. Glimcher

A massive cloud of cold atomic hydrogen in the outer Galaxy pp. 308-310

Lewis B. G. Knee and Christopher M. Brunt

Isotopic homogeneity of iron in the early solar nebula pp. 311-313

X. K. Zhu, Y. Guo, R. K. O'Nions, E. D. Young and R. D. Ash

Entanglement of the orbital angular momentum states of photons pp. 313-316

Alois Mair, Alipasha Vaziri, Gregor Weihs and Anton Zeilinger

Superconductivity in the non-magnetic state of iron under pressure pp. 316-318

Katsuya Shimizu, Tomohiro Kimura, Shigeyuki Furomoto, Keiki Takeda, Kazuyoshi Kontani, Yoshichika Onuki and Kiichi Amaya

Direct observation of hole transfer through DNA by hopping between adenine bases and by tunnelling pp. 318-320

Bernd Giese, Jérôme Amaudrut, Anne-Kathrin Köhler, Martin Spormann and Stephan Wessely

Thermolysis of fluoropolymers as a potential source of halogenated organic acids in the environment pp. 321-324

David A. Ellis, Scott A. Mabury, Jonathan W. Martin and Derek C. G. Muir

The role of microbial mats in the production of reduced gases on the early Earth pp. 324-327

Tori M. Hoehler, Brad M. Bebout and David J. Des Marais

Reproductive pair correlations and the clustering of organisms pp. 328-331

W. R. Young, A. J. Roberts and G. Stuhne

Evolution of digital organisms at high mutation rates leads to survival of the flattest pp. 331-333

Claus O. Wilke, Jia Lan Wang, Charles Ofria, Richard E. Lenski and Christoph Adami

Evolution and transmission of stable CTL escape mutations in HIV infection pp. 334-338

Philip J. R. Goulder, Christian Brander, Yanhua Tang, Cecile Tremblay, Robert A. Colbert, Marylyn M. Addo, Eric S. Rosenberg, Thi Nguyen, Rachel Allen, Alicja Trocha, Marcus Altfeld, Suqin He, Michael Bunce, Robert Funkhouser, Stephen I. Pelton, Sandra K. Burchett, Kenneth McIntosh, Bette T. M. Korber and Bruce D. Walker

An open form of syntaxin bypasses the requirement for UNC-13 in vesicle priming pp. 338-341

Janet E. Richmond, Robby M. Weimer and Erik M. Jorgensen

Hypermutation of multiple proto-oncogenes in B-cell diffuse large-cell lymphomas pp. 341-346

Laura Pasqualucci, Peter Neumeister, Tina Goossens, Gouri Nanjangud, R. S. K. Chaganti, Ralf Küppers and Riccardo Dalla-Favera

TAK1 is a ubiquitin-dependent kinase of MKK and IKK pp. 346-351

Chen Wang, Li Deng, Mei Hong, Giridhar R. Akkaraju, Jun-ichiro Inoue and Zhijian J. Chen

A MAP kinase-dependent actin checkpoint ensures proper spindle orientation in fission yeast pp. 352-355

Yannick Gachet, Sylvie Tournier, Jonathan B. A. Millar and Jeremy S. Hyams

Cdc6 cooperates with Sic1 and Hct1 to inactivate mitotic cyclin-dependent kinases pp. 355-358

Arturo Calzada, Maria Sacristán, Elisa Sánchez and Avelino Bueno

2001, volume 412, articles 6843

Prosperous physicists pp. 3-3

Paul Smaglik

Genetics group targets disease markers in the human sequence pp. 105-105

David Adam

Physicists show what really matters pp. 105-105

Colin Macilwain

Europe hooks up with China for space first pp. 106-106

Sally Goodman

Institutes prepare for pioneering bioinformatics work pp. 106-106

Declan Butler

Stem-cell fudge finds no favour with biologists pp. 107-107

Meredith Wadman

Bush plots raid on NIH funds to finance AIDS initiative pp. 107-107

Matthew Davis

Royal Society disputes value of carbon sinks pp. 108-108

David Adam

Battle to save beleaguered beluga pp. 108-108

Sally Goodman

UN backs transgenic crops for poorer nations pp. 109-109

Mark Schrope

Arctic university gives collaboration pole position pp. 109-109

Alison Abbott

Consensus science, or consensus politics? pp. 112-114

Mark Schrope

Alien versus predator pp. 115-116

Jonathan Knight

Seeking, sometimes finding, that elusive chemistry pp. 117-117

Hong-fei Wang

Time to shout about the benefits of chemistry pp. 117-117

Stephen J. Lippard

Singapore makes efforts to sustain biodiversity pp. 118-118

Lanna Cheng and Damir Kovac

Photos may offer clues over Ethiopian fossil site pp. 118-118

Yohannes Haile-Selassie

Keeping Mendel in mind pp. 118-118

Fabio Salamanca

Eccentric origins of creativity pp. 119-119

Daniel Nettle

An unsung hero put on the map pp. 120-120

Douglas Palmer

How the old became new pp. 120-121

Michael Hunter

Physics from the inside pp. 121-122

A. M. Bradshaw

Science in culture pp. 122-122

Megan Williams

Owen's Parthian shot pp. 123-124

Kevin Padian

Phenomenal fluids pp. 125-125

Martyn Poliakoff and Peter King

Lost City found pp. 127-128

Karen L. Von Damm

Bold insights pp. 128-130

Marcus E. Raichle

Disappearing dimensions pp. 130-131

Joseph D. Lykken

Return to the planet of the apes pp. 131-132

Henry Gee

Saturn saturated with satellites pp. 132-133

Douglas P. Hamilton

Mostly dead pp. 133-135

Douglas R. Green and Helen M. Beere

Less is more pp. 135-136

J. Tersoff

Vesicles and the spinal cord pp. 136-137

Juhee Jeong and Andrew P. McMahon

Autumn colour code pp. 136-136

John Whitfield

Bashing the bugs pp. 137-137

David Jones

Rosa Beddington (1956–2001) pp. 138-138

Sohaila Rastan and Elizabeth Robertson

Sex-biased dispersal of great white sharks pp. 139-140

Amanda T. Pardini, Catherine S. Jones, Leslie R. Noble, Brian Kreiser, Hamish Malcolm, Barry D. Bruce, John D. Stevens, Geremy Cliff, Michael C. Scholl, Malcolm Francis, Clinton A.J. Duffy and Andrew P. Martin

Persistent pollutants in land-applied sludges pp. 140-141

Robert C. Hale, Mark J. La Guardia, Ellen P. Harvey, Michael O. Gaylor, T. Matteson Mainor and William H. Duff

Incubation of cocaine craving after withdrawal pp. 141-142

Jeffrey W. Grimm, Bruce T. Hope, Roy A. Wise and Yavin Shaham

Odorants may arouse instinctive behaviours pp. 142-142

Mehran Sam, Sadhna Vora, Bettina Malnic, Weidong Ma, Milos V. Novotny and Linda B. Buck

Cause of neural death in neurodegenerative diseases attributable to expansion of glutamine repeats pp. 143-144

M. F. Perutz and A. H. Windle

An off-axis hydrothermal vent field near the Mid-Atlantic Ridge at 30° N pp. 145-149

Deborah S. Kelley, Jeffrey A. Karson, Donna K. Blackman, Gretchen L. Früh-Green, David A. Butterfield, Marvin D. Lilley, Eric J. Olson, Matthew O. Schrenk, Kevin K. Roe, Geoff T. Lebon and Pete Rivizzigno

Neurophysiological investigation of the basis of the fMRI signal pp. 150-157

Nikos K. Logothetis, Jon Pauls, Mark Augath, Torsten Trinath and Axel Oeltermann

A test of general relativity from the three-dimensional orbital geometry of a binary pulsar pp. 158-160

W. van Straten, M. Bailes, M. Britton, Kulkarni S. R, S. B. Anderson, R. N. Manchester and J. Sarkissian

Discovery of water vapour around IRC+10216 as evidence for comets orbiting another star pp. 160-163

Gary J. Melnick, David A. Neufeld, K. E. Saavik Ford, David J. Hollenbach and Matthew L. N. Ashby

Discovery of 12 satellites of Saturn exhibiting orbital clustering pp. 163-166

Brett Gladman, J. J. Kavelaars, Matthew Holman, Philip D. Nicholson, Joseph A. Burns, Carl W. Hergenrother, Jean-Marc Petit, Brian G. Marsden, Robert Jacobson, William Gray and Tommy Grav

Ion-beam sculpting at nanometre length scales pp. 166-169

Jiali Li, Derek Stein, Ciaran McMullan, Daniel Branton, Michael J. Aziz and Jene A. Golovchenko

Ordered nanoporous arrays of carbon supporting high dispersions of platinum nanoparticles pp. 169-172

Sang Hoon Joo, Seong Jae Choi, Ilwhan Oh, Juhyoun Kwak, Zheng Liu, Osamu Terasaki and Ryong Ryoo

The dating of shallow faults in the Earth's crust pp. 172-175

Ben A. van der Pluijm, Chris M. Hall, Peter J. Vrolijk, David R. Pevear and Michael C. Covey

Geology and palaeontology of the Late Miocene Middle Awash valley, Afar rift, Ethiopia pp. 175-178

Giday WoldeGabriel, Yohannes Haile-Selassie, Paul R. Renne, William K. Hart, Stanley H. Ambrose, Berhane Asfaw, Grant Heiken and Tim White

Late Miocene hominids from the Middle Awash, Ethiopia pp. 178-181

Yohannes Haile-Selassie

Rapid and recent origin of species richness in the Cape flora of South Africa pp. 181-183

James E. Richardson, Frans M. Weitz, Michael F. Fay, Quentin C. B. Cronk, H. Peter Linder, G. Reeves and Mark W. Chase

Predators increase the risk of catastrophic extinction of prey populations pp. 183-186

Thomas W. Schoener, David A. Spiller and Jonathan B. Losos

Essential role for Gab2 in the allergic response pp. 186-190

Haihua Gu, Kan Saito, Lori D. Klaman, Junqing Shen, Tony Fleming, YongPing Wang, Joanne C. Pratt, Guosheng Lin, Bing Lim, Jean-Pierre Kinet and Benjamin G. Neel

The heparin-binding haemagglutinin of M. tuberculosis is required for extrapulmonary dissemination pp. 190-194

Kevin Pethe, Sylvie Alonso, Franck Biet, Giovanni Delogu, Michael J. Brennan, Camille Locht and Franco D. Menozzi

Rab23 is an essential negative regulator of the mouse Sonic hedgehog signalling pathway pp. 194-198

Jonathan T. Eggenschwiler, Edward Espinoza and Kathryn V. Anderson

Phagocytosis promotes programmed cell death in C. elegans pp. 198-202

Peter W. Reddien, Scott Cameron and H. Robert Horvitz

Engulfment genes cooperate with ced-3 to promote cell death in Caenorhabditis elegans pp. 202-206

Daniel J. Hoeppner, Michael O. Hengartner and Ralf Schnabel

Decline and fall of the martian empire pp. 209-213

Kevin Zahnle

Mars' core and magnetism pp. 214-219

David J. Stevenson

The crust and mantle of Mars pp. 220-227

Maria T. Zuber

Water and the martian landscape pp. 228-236

Victor R. Baker

Mars' volatile and climate history pp. 237-244

Bruce M. Jakosky and Roger J. Phillips

Weather and climate on Mars pp. 245-249

Conway Leovy

Mars exploration pp. 250-253

Michael H. Carr and James Garvin

A Planetary Society Approach to Exploration pp. 254-255

Bruce Murray, Wesley T. Huntress and Louis D. Friedman

2001, volume 412, articles 6842

Los Alamos loses physics archive as preprint pioneer heads east pp. 3-4

Declan Butler

Pentagon offers deal on nuclear weapons book pp. 3-3

Irwin Goodwin

Biotech's head of steam pp. 3-3

Paul Smaglik

Imported stem cells deepen Germany's ethical divide pp. 4-4

Quirin Schiermeier

Quota offered as solution to gender imbalance pp. 4-4

Katja Henssel

Science shops provide non-profit alternative pp. 4-5

Alexander Hellemans

Europe plots comeback in neutron science pp. 5-5

David Adam

Gene screens for nuclear veterans pp. 5-5

Peter Pockley

University reforms fail to quell fears of 'inbreeding' pp. 6-6

Xavier Bosch

Utopian dream in tatters as Starlab crashes to Earth pp. 6-6

Jim Giles

US blood ban underlines CJD fears pp. 7-7

Meredith Wadman

Hong Kong seeks secrets of Chinese medicine pp. 7-7

David Cyranoski

Which side are you on? pp. 10-11

Josette Chen

Meet the Herod bug pp. 12-14

Jonathan Knight

Identifying dangers in an uncertain climate pp. 15-15

Arnulf Grübler and Nebojsa Nakicenovic

Attention to bioweapons obscures the real threats pp. 15-15

Sebestyén Gorka and Richard Sullivan

Quest for the ancient fire-breathers pp. 17-18

Eric Buffetaut

Delving into the material world pp. 18-19

Jacques Livage

Cajal made clear in translation pp. 19-20

Edward G. Jones

What are clones? pp. 21-21

Lee M. Silver

The Sirens' song pp. 23-23

Gerry Melino

Signs of galactic cannibalism pp. 25-26

Amina Helmi

The nitrogen fix pp. 26-27

James F. Kasting and Janet L. Siefert

DNA destroyers pp. 27-29

Michael O. Hengartner

Neutrinos reveal split personalities pp. 29-30

John N. Bahcall

Searching for speciation genes pp. 31-33

Roger Butlin and Michael G. Ritchie

Air juggling and other tricks pp. 33-34

Eric J. Heller

Price put on biodiversity pp. 34-36

Osvaldo E. Sala

Climate change on Venus pp. 36-37

Ronald G. Prinn

Learning to forget pp. 37-37

David Jones

Wang Ying-lai (1907–2001) pp. 38-38

L. Ling-chi Wang

Surrogate mother for endangered Cupressus pp. 39-39

Christian Pichot, Mohamed El Maâtaoui, Sabrina Raddi and Paolo Raddi

Photosynthesis in a marine diatom pp. 40-41

Andrew M. Johnston, John A. Raven, John Beardall and Richard C. Leegood

Chironomid egg masses and Vibrio cholerae pp. 40-40

Meir Broza and Malka Halpern

Insects can halve wind-turbine power pp. 41-42

Gustave P. Corten and Herman F. Veldkamp

Photosynthesis in a marine diatom pp. 41-41

John R. Reinfelder

Dopamine responses comply with basic assumptions of formal learning theory pp. 43-48

Pascale Waelti, Anthony Dickinson and Wolfram Schultz

A giant stream of metal-rich stars in the halo of the galaxy M31 pp. 49-52

Rodrigo Ibata, Michael Irwin, Geraint Lewis, Annette M. N. Ferguson and Nial Tanvir

Dynamical tunnelling of ultracold atoms pp. 52-55

W. K. Hensinger, H. Häffner, A. Browaeys, N. R. Heckenberg, K. Helmerson, Colin McKenzie, G. J. Milburn, W. D. Phillips, S. L. Rolston, H. Rubinsztein-Dunlop and B. Upcroft

Quantum interference of superfluid 3He pp. 55-58

R. W. Simmonds, A. Marchenkov, E. Hoskinson, J. C. Davis and R. E. Packard

Coexistence of superconductivity and ferromagnetism in the d-band metal ZrZn2 pp. 58-61

C. Pfleiderer, M. Uhlarz, S. M. Hayden, R. Vollmer, H. v. Löhneysen, N. R. Bernhoeft and G. G. Lonzarich

A possible nitrogen crisis for Archaean life due to reduced nitrogen fixation by lightning pp. 61-64

Rafael Navarro-González, Christopher P. McKay and Delphine Nna Mvondo

Annual monsoon rains recorded by Jurassic dunes pp. 64-66

David B. Loope, Clinton M. Rowe and R. Matthew Joeckel

Morphological and ecological complexity in early eukaryotic ecosystems pp. 66-69

Emmanuelle J. Javaux, Andrew H. Knoll and Malcolm R. Walter

The impact of ultraviolet radiation on the vertical distribution of zooplankton of the genus Daphnia pp. 69-72

Stephan C. Rhode, Markus Pawlowski and Ralph Tollrian

Partitioning selection and complementarity in biodiversity experiments pp. 72-76

Michel Loreau and Andy Hector

Cryptic evolution in a wild bird population pp. 76-79

J. Merilä, L. E. B. Kruuk and B. C. Sheldon

Cortical remodelling induced by activity of ventral tegmental dopamine neurons pp. 79-83

Shaowen Bao, Vincent T. Chan and Michael M. Merzenich

The glyoxylate cycle is required for fungal virulence pp. 83-86

Michael C. Lorenz and Gerald R. Fink

Insights into Wnt binding and signalling from the structures of two Frizzled cysteine-rich domains pp. 86-90

Charles E. Dann, Jen-Chih Hsieh, Amir Rattner, Divya Sharma, Jeremy Nathans and Daniel J. Leahy

Mitochondrial endonuclease G is important for apoptosis in C. elegans pp. 90-94

Jay Parrish, Lily Li, Kristina Klotz, Duncan Ledwich, Xiaodong Wang and Ding Xue

Endonuclease G is an apoptotic DNase when released from mitochondria pp. 95-99

Lily Y. Li, Xu Luo and Xiaodong Wang

Correction: Timing of the Last Glacial Maximum from observed sea-level minima pp. 99-99

Yusuke Yokoyama, Kurt Lambeck, Patrick De Deckker, Paul Johnston and l. Keith Fifield

Correction: The role of interleukin-1 polymorphisms in the pathogenesis of gastric cancer pp. 99-99

Emad M. El-Omar, Mary Carrington, Wong-Ho Chow, Kenneth E. L. McColl, Jay H. Bream, Howard A. Young, Jesus Herrera, Jolanta Lissowska, Chiu-Chin Yuan, Nathaniel Rothman, George Lanyon, Maureen Martin, Joseph F. Fraumeni and Charles S. Rabkin