Palaeontology: Dinosaurs take to the air p.323
doi: 10.1038/421323a
Volume 421 Issue 6921
News & Views
Global change: Monsoon linkages p.324
doi: 10.1038/421324a
Neurobiology: Fear thou not p.325
doi: 10.1038/421325a
Thermal physics: Heat in one dimension p.327
doi: 10.1038/421327a
Inflammation: A nervous connection p.328
doi: 10.1038/421328a
Astronomy: Feeding the first quasars p.329
doi: 10.1038/421329a
Article
Four-winged dinosaurs from China p.335
doi: 10.1038/nature01342
Letters
Spectral signature of cosmological infall of gas around the first quasars p.341
doi: 10.1038/nature01330
Experimental extraction of an entangled photon pair from two identically decohered pairs p.343
doi: 10.1038/nature01358
Direct observation of a local thermal vibration anomaly in a quasicrystal p.347
doi: 10.1038/nature01337
Photocontrolled reversible release of guest molecules from coumarin-modified mesoporous silica p.350
doi: 10.1038/nature01362
p.354
doi: 10.1038/singleissues
Abrupt changes in the Asian southwest monsoon during the Holocene and their links to the North Atlantic Ocean p.354
doi: 10.1038/nature01340
Reductive dehalogenation of chlorinated dioxins by an anaerobic bacterium p.357
doi: 10.1038/nature01237
Directional postcopulatory sexual selection revealed by artificial insemination p.360
doi: 10.1038/nature01367
Comparative power curves in bird flight p.363
doi: 10.1038/nature01284
Neuronal synchrony does not correlate with motion coherence in cortical area MT p.366
doi: 10.1038/nature01285
Selective gating of visual signals by microstimulation of frontal cortex p.370
doi: 10.1038/nature01341
Pivotal role of oligomerization in expanded polyglutamine neurodegenerative disorders p.373
doi: 10.1038/nature01301
A role for Drosophila LKB1 in anterior?posterior axis formation and epithelial polarity p.379
doi: 10.1038/nature01296
Nicotinic acetylcholine receptor α7 subunit is an essential regulator of inflammation p.384
doi: 10.1038/nature01339
Activation of human CD4+ cells with CD3 and CD46 induces a T-regulatory cell 1 phenotype p.388
doi: 10.1038/nature01315
