Not so fast p.557

doi: 10.1038/433557b

Taking a hard line on conflicts p.557

doi: 10.1038/433557a

Main agencies hang on to funds in skimpy US science budget p.559

doi: 10.1038/433559a

Gene therapy put on hold as third child develops cancer p.561

doi: 10.1038/433561a

Past climate comes into focus but warm forecast stays put p.562

doi: 10.1038/433562a

Whale fall p.566

doi: 10.1038/433566a

Cold turkey, Vietnamese style p.568

doi: 10.1038/433568a

Prison talk p.570

doi: 10.1038/433570a

Gene exchange by design p.583

doi: 10.1038/433583a

Cheat detection p.584

doi: 10.1038/433584a

Solace for the broken-hearted? p.585

doi: 10.1038/433585a

Let all the voices be heard p.587

doi: 10.1038/433587a

Down to the woods yesterday p.588

doi: 10.1038/433588a

Making a natural fuel cell p.589

doi: 10.1038/433589a

Catalyst of a catalyst p.591

doi: 10.1038/433591a

p.591

doi: 10.1038/fake170

2004) p.593

doi: 10.1038/433593a

Functional imaging with cellular resolution reveals precise micro-architecture in visual cortex p.597

doi: 10.1038/nature03274

Energy input from quasars regulates the growth and activity of black holes and their host galaxies p.604

doi: 10.1038/nature03335

Electronically soft phases in manganites p.607

doi: 10.1038/nature03300

Synthesis of the H-cluster framework of iron-only hydrogenase p.610

doi: 10.1038/nature03298

Highly variable Northern Hemisphere temperatures reconstructed from low- and high-resolution proxy data p.613

doi: 10.1038/nature03265

Fractures as the main pathways of water flow in temperate glaciers p.618

doi: 10.1038/nature03296

Abrupt rise in atmospheric CO₂ overestimates community response in a model plant-soil system p.621

doi: 10.1038/nature03268

Directed aerial descent in canopy ants p.624

doi: 10.1038/nature03254

Photoperiodic induction of synchronous flowering near the Equator p.627

doi: 10.1038/nature03259

Gene transfer to plants by diverse species of bacteria p.629

doi: 10.1038/nature03309

A universal trend of amino acid gain and loss in protein evolution p.633

doi: 10.1038/nature03306

Contribution of an avian basal ganglia-forebrain circuit to real-time modulation of song p.638

doi: 10.1038/nature03127

Ultrabithorax is required for membranous wing identity in the beetle Tribolium castaneum p.643