3 July 2009With a view to keeping track of enormous amount of research into the genomics of complex diseases that has arisen in the last few years, the US National Human Genome Research Institute has launched an online catalogue of published  genome-wide association studies (www.genome.gov/gwastudies). The curated, searchable and publically accessible database contains information on over 350 publication, linking around 1,640 single nucleotide polymorphisms (SNPs) to more than 80 different diseases and traits.