Opinion

In defence of the Department of Energy p1

Teething troubles on the US neutron spallation source project at Oak Ridge do not justify congressional threats to freeze funding, and should be viewed against a fundamentally problematic background.

doi:10.1038/19795

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News

Clinton pledges to smooth path of research at universities p3

Colin Macilwain

doi:10.1038/19797

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UK failing to reap neuroscience rewards p3

Ehsan Masood

doi:10.1038/19800

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France seeks scientists' views on reform p4

Declan Butler

doi:10.1038/19802

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Germany says it will come on board Earth observation mission p4

Alison Abbott

doi:10.1038/19804

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Berkeley dispute festers over biotech deal p5

Rex Dalton

doi:10.1038/19807

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Embattled neuroscientist wins US support p5

Alison Abbott

doi:10.1038/19810

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Global R&D spread clouds locaal analyses p6

Declan Butler

doi:10.1038/19812

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Africa moves to strengthen biotechnology p6

doi:10.1038/19815

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GM advisory panel is slanted, say critics p7

Meredith Wadman

doi:10.1038/19817

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Australians seek international allies in battle over uranium mine p7

Peter Pockley

doi:10.1038/19819

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Mixed response to NIH's web journal plan p8

Declan Butler and Meredith Wadman

doi:10.1038/19822

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EU warns on growth-hormone cancer risk p8

Meredith Wadman

doi:10.1038/19824

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Automation 'could crack the big problems in science' p9

Colin Macilwain

doi:10.1038/19826

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News in brief p10

doi:10.1038/19828

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News

Science told to slow down and let ethics debates catch up p12

doi:10.1038/19830

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Africa 'needs a linguistic and gender revolution' p12

doi:10.1038/19832

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Unesco pushing for a 'Decade for Science' p12

doi:10.1038/19835

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Correspondence

Editors' responsibility in defeating fraud p13

Michael M. Meguid

doi:10.1038/19837

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Inequities in German research system p13

Stefan Jähnichen and Klaus-Robert Müller

doi:10.1038/19839

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Cloning claims challenged p13

Davor Solter

doi:10.1038/19841

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From youthful PMs to presidents who walk tall p14

Jeremy Stangroom

doi:10.1038/19843

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Reaping the benefits of cropping experiments p14

Olof Andrén, Holger Kirchmann and Olle Pettersson

doi:10.1038/19845

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News and Views

Diamondoids and oil are not forever p15

A measure of the amount of oil destroyed by high temperatures deep in the Earth may help to gauge the depths to which oil extraction remains commercially viable, and so be useful in estimating ultimate oil reserves.

Martin Schoell and Robert M. K. Carlson

doi:10.1038/19847

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Physiology:  A calcium window to the gut p16

G. David S. Hirst

doi:10.1038/19851

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Mesoscopic vortex physics:  From vortices to genomics p17

Terence Hwa

doi:10.1038/19854

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Neurobiology:  A spine to remember p19

Per Andersen

doi:10.1038/19857

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100 and 50 years ago p20

doi:10.1038/19860

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Condensed-matter physics:  The magnetic turnabout p21

Olivier Kahn

doi:10.1038/19862

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Microtechnology:  Laying it on thick p23

Sarah Tomlin

doi:10.1038/19866

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Palaeoanthropology:  Stone legacy of skilled hands p24

James Steele

doi:10.1038/19869

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Evolution:  Heard but not seen p24

John Whitfield

doi:10.1038/19873

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Daedalus:  Adhesive antibodies p25

David Jones

doi:10.1038/19876

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Obituary:  David Phillips (1924—99) p26

Louise N. Johnson and Gregory A. Petsko

doi:10.1038/19878

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Scientific Correspondence

Naked foraminiferans revealed p27

Jan Pawlowski, Ignacio Bolivar, José Fahrni, Colomban de Vargas and Samuel S. Bowser

doi:10.1038/19881

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A stimulatory phalloid organ in a weaver bird p28

M. Winterbottom, T. Burke and T. R. Birkhead

doi:10.1038/19884

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Green processing using ionic liquids and CO₂ p28

Lynnette A. Blanchard, Dan Hancu, Eric J. Beckman and Joan F. Brennecke

doi:10.1038/19887

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Long-distance transport of pollen into the Arctic p29

Ian D. Campbell, Karen McDonald, Michael D. Flannigan and Joanni Kringayark

doi:10.1038/19891

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Cause and effect in evolution p30

W. Joe Dickinson and Jon Seger

doi:10.1038/19894

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Book Reviews

From an old world order to show 'n' sell p31

Thomas F. Gieryn reviews Museums and American Intellectual Life, 1876-1926 by Steven Conn

doi:10.1038/19896

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From entropy to Duino p32

G. F. Bignami reviews Ludwig Boltzmann: The Man Who Trusted Atoms by Carlo Cercignani

doi:10.1038/19899

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Aiming for that goal of zero emission p33

Roger Sheldon reviews Green Chemistry: Theory and Practice by P. T. Anastas and J. C. Warner and Green Chemistry: Frontiers in Benign Chemical Synthesis and Processes edited by P. T. Anastas and T. C. Williamson

doi:10.1038/19902

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Information, information p33

Nancy Lane

doi:10.1038/19904

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Science in culture p34

Martin Kemp

doi:10.1038/19906

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New Journals p34

doi:10.1038/19909

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Review

Energy traps in atomic nuclei p35

Philip Walker and George Dracoulis

doi:10.1038/19911

Abstract | Full Text | PDF (212K)

Letters to Nature

Possible long-lived asteroid belts in the inner Solar System p41

N. Wyn Evans and Serge Tabachnik

doi:10.1038/19919

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Observation of mesoscopic vortex physics using micromechanical oscillators p43

C. A. Bolle, V. Aksyuk, F. Pardo, P. L. Gammel, E. Zeldov, E. Bucher, R. Boie, D. J. Bishop and D. R. Nelson

doi:10.1038/19924

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Influence of a knot on the strength of a polymer strand p46

A. Marco Saitta, Paul D. Soper, E. Wasserman and Michael L. Klein

doi:10.1038/19935

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Controlled growth and electrical properties of heterojunctions of carbon nanotubes and silicon nanowires p48

Jiangtao Hu, Min Ouyang, Peidong Yang and Charles M. Lieber

doi:10.1038/19941

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Stress-induced recrystallization of a protein crystal by electron irradiation p51

F. Zemlin, R. Schuster, E. Beckmann, J. L. Carrascosa, J. M. Valpuesta and G. Ertl

doi:10.1038/19947

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Diamondoid hydrocarbons as indicators of natural oil cracking p54

J. E. Dahl, J. M. Moldowan, K. E. Peters, G. E. Claypool, M. A. Rooney, G. E. Michael, M. R. Mello and M. L. Kohnen

doi:10.1038/19953

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Early hominid stone tool production and technical skill 2.34 Myr ago in West Turkana, Kenya p57

H. Roche, A. Delagnes, J.-P. Brugal, C. Feibel, M. Kibunjia, V. Mourre and P.-J. Texier

doi:10.1038/19959

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The wing of Archaeopteryx as a primary thrust generator p60

Phillip Burgers and Luis M. Chiappe

doi:10.1038/19967

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Induction and organization of Ca²⁺ waves by enteric neural reflexes p62

Randel J. Stevens, Nelson G. Publicover and Terence K. Smith

doi:10.1038/19973

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Dendritic spine changes associated with hippocampal long-term synaptic plasticity p66

Florian Engert and Tobias Bonhoeffer

doi:10.1038/19978

First paragraph | Full Text | PDF (441K) | Supplementary information

A family of mammalian Na⁺-dependent L-ascorbic acid transporters p70

Hiroyasu Tsukaguchi, Taro Tokui, Bryan Mackenzie, Urs V. Berger, Xing-Zhen Chen, Yangxi Wang, Richard F. Brubaker and Matthias A. Hediger

doi:10.1038/19986

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Regulation of alternative splicing by RNA editing p75

Susan M. Rueter, T. Renee Dawson and Ronald B. Emeson

doi:10.1038/19992

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Structural basis for initiation of transcription from an RNA polymerase–promoter complex p80

Graham M. T. Cheetham, David Jeruzalmi and Thomas A Steitz

doi:10.1038/19999

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Correction:  Experimental verification of the quasi-unit-cell model of quasicrystal structure p84

Paul J. Steinhardt, H.-C. Jeong, K. Saitoh, M. Tanaka, E. Abe and A. P. Tsai

doi:10.1038/20005

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Correction:  Extreme Th1 bias of invariant V24JQ T cells in type 1 diabetes p84

S. Brian Wilson, Sally C. Kent, Kurt T. Patton, Tihamer Orban, Richard A. Jackson, Mark Exley, Steven Porcelli, Desmond A. Schatz, Mark A. Atkinson, Steven P. Balk, Jack L. Strominger and David A. Hafler

doi:10.1038/20007

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Correction: In vivo regulation of axon extension and pathfinding by growth-cone calcium transients p84

Timothy M. Gomez and Nicholas C. Spitzer

doi:10.1038/20009

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Correction:  The role of mat-forming diatoms in the formation of Mediterranean sapropels p84

Alan E. S. Kemp, Richard B. Pearce, Itaru Koizumi, Jennifer Pike and S. Jae Rance

doi:10.1038/20011

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New on the Market

Genomics and bioinformatics p85

This issue focuses on equipment and software — including freeware, so read on — for the rapidly expanding genomics and bioinformatics markets.
Compiled in the Nature office from information provided by the manufacturers.

doi:10.1038/20013

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