.THE APPLICATION of Bayesian inversion to a stable of lithologic parameters in an analysis of seismic information hardly seems to be right stuff of headlines. But when the seismic information you are determining stemmed from Mars, and also when your reasoning proposes that the greatest description for all of them is actually fluid water in the pores between rocks, you have a tale. There is little people thirst for extra, when it pertains to planetal scientific research, than water on Mars. Why carries out the prospect provoke such pleasure-- and also what does this brand new study add to the story?