.THE APPLICATION of Bayesian inversion to a variety of lithologic criteria in an assessment of seismic records barely seems to be right stuff of titles. But when the seismic records you are actually evaluating arised from Mars, and also when your thinking proposes that the most effective explanation for all of them is actually fluid water in the pores in between rocks, you have a tale. There is dwarfs crave much more, when it concerns global science, than water on Mars. Why carries out the possibility provoke such pleasure-- and what does this brand-new study include in the tale?