●Fluid flow and broken symmetry. Stern, C. D. Nature 4 July (2002) A News and Views that accompanies two reports showing that a common mechanism — involving monocilia, dynein and fluid flow — establishes early left–right asymmetry in vertebrates.

●The neurobiology of sleep: genetics, cellular physiology and subcortical networks. Pace-Schott, E. F. & Hobson, J. A. Nature Reviews NeuroscienceAugust (2002)

●What messenger RNA capping tells us about eukaryotic evolution. Shuman, S. Nature Reviews Molecular Cell Biology August (2002) An Opinion article that raises the possibility that differences in mRNA capping can provide clues about aspects of eukaryotic evolution.

●Left/right asymmetry in the nervous system: the C. elegans paradigm. Hobert, O., Johnston, R. J. Jr & Chang, S. Nature Reviews Neuroscience August (2002)

●When public goes private.Nature Genetics July (2002) An editorial that comments on the end of free access to the Incyte Genomics' worm (WormPD) and yeast (YPD) proteome databases.

●In silico biology through “omics”. Palsson, B. Nature Biotechnology July (2002) The author of this commentary points out that simultaneous analysis of data from genomic, transcriptomic, proteomic and metabolomic approaches remains a challenge and that in silico models hold a promise of integrating these various types of data.

●The molecular and genetic basis of neurological tumours. Zhu, Y. & Pavada, L. F. Nature Reviews Cancer August (2002)

●Reversing Babel with GO. Gresham, D. Nature Genetics July (2002) A News and Views on a paper that shows how gene ontology terms can be used to identify disease candidate genes.

●Insight on RNA.Nature 11 July (2002) A collection of articles on aspects of RNA biology and its applications, which includes:

●RNA interference. Hannon, G. J.

●Emerging clinical applications of RNA. Sullenger, B. A. & Gilboa, E.

●The antiquity of RNA-based evolution. Joyce, G. F.