Over at Retrospectacle, Shelley Batts informs us of GenePaint, a “digital atlas of gene expression patterns in the mouse”:

Wouldn’t it be great if there was some magical institution which mapped out the developmental expression of mouse genes, and then made it freely available on the internet? And wouldn’t it be cool if all that data was compiled in an easily-searchable database that was being constantly updated with new genes and new experimental data?

The focus of GenePaint is on developmental gene expression, but the overall approach could easily be used for data harvested from adult animals. Wouldn’t it be great if aging-related data (like the dataset in the AGEMAP database) could be accessed via an anatomically precise interface? Granted, age-related changes in gene expression tend to have a larger stochastic component, but one can imagine ways to convey that information visually (e.g., by using lower intensities for lower-probability events).