.THE APPLICATION of Bayesian inversion to a range of lithologic specifications in an analysis of seismic data rarely appears the stuff of titles. But when the seismic records you are analyzing arised from Mars, and also when your reasoning suggests that the greatest description for all of them is actually liquefied water in the pores in between stones, you possess a tale. There is actually little people thirst for extra, when it relates to worldly science, than water on Mars. Why does the prospect produce such enjoyment-- as well as what performs this brand new analysis contribute to the account?