.THE app of Bayesian inversion to a series of lithologic criteria in an examination of seismic records hardly seems to be right stuff of titles. Yet when the seismic records you are evaluating stemmed from Mars, and also when your thinking proposes that the very best description for all of them is liquid water in the pores between rocks, you have a tale. There is little people thirst for a lot more, when it pertains to worldly scientific research, than water on Mars. Why performs the prospect provoke such enjoyment-- and what does this new analysis add to the tale?