Finally I can lift the curtain of silence and tell the reason why I’ve been very busy before Christmas: it all lies in the publication of a paper, “Using Pathway Signatures as Means of Identifying Similarities among Microarray Experiments”, which is finally out on this week’s issue of PLoS ONE. It’s different from [the previous paper I mentioned]({{ site.url }}/2008/01/phd) (which was not my first publication, either), for two main reasons: