.THE app of Bayesian inversion to a variety of lithologic parameters in an examination of seismic records hardly appears right stuff of titles. However when the seismic records you are evaluating come from Mars, as well as when your reasoning suggests that the best explanation for all of them is liquefied water in the pores in between rocks, you possess a story. There is actually little people thirst for much more, when it comes to earthly scientific research, than water on Mars. Why performs the possibility prompt such excitement-- and also what performs this brand-new investigation add to the tale?