.THE function of Bayesian inversion to a variety of lithologic guidelines in an analysis of seismic records rarely appears the stuff of headings. However when the seismic data you are actually evaluating stemmed from Mars, as well as when your reasoning proposes that the very best description for them is liquid water in the pores between rocks, you have a tale. There is actually dwarfs thirst for extra, when it concerns earthly scientific research, than water on Mars. Why performs the possibility produce such enthusiasm-- as well as what performs this new study contribute to the story?