.THE function of Bayesian inversion to a variety of lithologic criteria in an analysis of seismic information hardly seems to be the stuff of headlines. But when the seismic information you are actually evaluating come from Mars, as well as when your thinking suggests that the best explanation for all of them is actually liquefied water in the pores between rocks, you possess an account. There is actually dwarfs crave even more, when it pertains to planetal science, than water on Mars. Why does the possibility produce such enthusiasm-- as well as what does this new study include in the story?