Opinion

Not everything is in the genes p743

Last week's report of a possible genetic basis to an individual's ability to handle complex social situations highlights the importance of developing frameworks to ensure that genetic information is used responsibly

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A lesson on preparedness p743

Guidelines for handling allegations of scientific fraud are essential to preserve the reputation of science

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News

NIH backers take Clinton to task over impact of budget pact p745

Meredith Wadman

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Statistician is named to UK science post p745

David Dickson

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Global fusion plans face three-year delay p746

Alison Abbott

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Collapse of study complicates US participation p746

Colin Macilwain

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Tritium leak protests prompt Canada to suspend discharges p747

David Spurgeon

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Space physicists plead for extended solar missions p747

Tony Reichhardt

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Republicans seek to widen cloning ban p748

Meredith Wadman

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Palaeontologists protest at Web sale of hominid remains p748

Ehsan Masood

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Brussels reshapes science panels after BSE criticism p749

Declan Butler

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Britain extends controls to combat risk to sheep p749

Declan Butler

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Fraud claims shake German complacency p750

Alison Abbott

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University 'failed to acknowledge exoneration' p750

Alison Abbott

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News Analysis

Nuclear triggers get subcritical scrutiny p751

Experiments in Nevada will not only increase our understanding of nuclear explosions, but should also help secure the future of the test site.

Colin Macilwain

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Canadian ministers send mixed message on research funds p752

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Correspondence

Is cloning an attack on human dignity? p754

John Harris

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Protect patients' rights p754

Philip L. Bereano

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Hubble 'worth the price' p754

Jay M. Pasachoff

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News and Views

A laser that sings a different tune p755

Sean Washburn

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Experimental psychology:  In a blink of the mind's eye p756

Jeremy M. Wolfe

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Gamma-ray astronomy:  New sights in the high-energy sky p757

Hans Bloemen

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Ecology:  Insect pollinators see the light p759

Peter D. Moore

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Demography:  Taking the measure of uncertainty p760

Shripad Tuljapurkar

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Lubricants:  Super slippery solids p761

Somuri Prasad and Jeffrey Zabinski

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100 and 50 years ago p761

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Daedalus:  A science futures market p763

David Jones

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Obituary:  Keith Roberts Porter (1912-97) p764

Manfred Schliwa

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Scientific Correspondence

What keeps sandcastles standing? p765

D. J. Hornbaker, R. Albert, I. Albert, A.-L. Barabási and P. Schiffer

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Natural isotope markers in salmon p766

Brian P. Kennedy, Carol L. Folt, Joel D. Blum and C. Page Chamberlain

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DNA fingerprints from fingerprints p767

Roland A. H. van Oorschot and Maxwell K. Jones

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How many replicons make a nodule? p767

Xavier Perret and William Broughton

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Unique morphology of the human eye p767

Hiromi Kobayashi and Shiro Kohshima

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Erratum:  Evidence for stone age cranial surgery p768

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Book Reviews

Politics of eighteenth-century science p769

Owen Gingerich

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Stars in their eyes p769

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Cleaning devils p770

Richard Davenport-Hines

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Knowing our minds p770

Liam Hudson

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The latest C-theory p771

Steven H. Strogatz

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Truth buried in history p772

David Baltimore

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1997 Rhône-Poulenc Science Book Prize p772

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Correction: Who Gave Pinta to the Santa Maria? Tropical Diseases in a Temperate Climate p772

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Correction: Life Iself p772

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Progress

Double identity for proteins of the Bcl-2 family p773

John C. Reed

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Article

Laser action by tuning the oscillator strength p777

Jrme Faist, Federico Capasso, Carlo Sirtori, Deborah L. Sivco, Albert L. Hutchinson and Alfred Y. Cho

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Letters to Nature

Discovery of an X-ray afterglow associated with the -ray burst of 28 February 1997 p783

E. Costa, F. Frontera, J. Heise, M. Feroci, J. in 't Zand, F. Fiore, M. N. Cinti, D. Dal Fiume, L. Nicastro, M. Orlandini, E. Palazzi, M. Rapisarda#, G. Zavattini, R. Jager, A. Parmar, A. Owens, S. Molendi, G. Cusumano, M. C. Maccarone, S. Giarrusso, A. Coletta, L. A. Antonelli, P. Giommi, J. M. Muller, L. Piro and R. C. Butler

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A possible long-lived belt of objects between Uranus and Neptune p785

Matthew J. Holman

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Cluster-derived structures and conductance fluctuations in nanowires p788

R. N. Barnett and Uzi Landman

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Hollow nanoparticles of WS₂ as potential solid-state lubricants p791

L. Rapoport, Yu. Bilik, Y. Feldman, M. Homyonfer, S. R. Cohen and R. Tenne

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Low nitrate:phosphate ratios in the global ocean p793

T. Tyrrell and C. S. Law

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Contrasting physiological and structural vegetation feedbacks in climate change simulations p796

Richard A. Betts, Peter M. Cox, Susan E. Lee and F. Ian Woodward

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Wing upstroke and the evolution of flapping flight p799

Samuel O. Poore, A. Sánchez-Haiman and G. E. Goslow, Jr

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Doubling of world population unlikely p803

Wolfgang Lutz, Warren Sanderson and Sergei Scherbov

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Attentional requirements in a 'preattentive' feature search task p805

Julian S. Joseph, Marvin M. Chun and Ken Nakayama

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Restricted attentional capacity within but not between sensory modalities p808

John Duncan, Sander Martens and Robert Ward

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The small GTP-binding protein Rab3A regulates a late step in synaptic vesicle fusion p810

Martin Geppert, Yukiko Goda, Charles F. Stevens and Thomas C. Südhof

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C-terminal binding domain of Rho GDP-dissociation inhibitor directs N-terminal inhibitory peptide to GTPases p814

Yuying Q. Gosser, Tyzoon K. Nomanbhoy, Behzad Aghazadeh, Danny Manor, Carolyn Combs, Richard A. Cerione and Michael K. Rosen

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Synergistic activation of transcription by CBP and p53 p819

Wei Gu, Xiao-Lu Shi and Robert G. Roeder

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Binding and modulation of p53 by p300/CBP coactivators p823

Nancy L. Lill, Steven R. Grossman, Doron Ginsberg, James DeCaprio and David M. Livingston

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Structure of isopenicillinN synthase complexed with substrate and the mechanism ofpenicillin formation p827

Peter L. Roach, Ian J. Clifton, Charles M. H. Hensgens, Norio Shibata, Christopher J. Schofield, Janos Hajdu and Jack E. Baldwin

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Erratum:  Photonic crystals: putting a new twist on light p830

J. D. Joannopoulos, Pierre R. Villeneuve and Shanhui Fan

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