.THE app of Bayesian inversion to a range of lithologic parameters in an evaluation of seismic information barely appears the stuff of headings. Yet when the seismic data you are examining come from Mars, as well as when your thinking proposes that the most ideal explanation for all of them is actually liquid water in the pores between rocks, you have a story. There is dwarfs thirst for much more, when it pertains to nomadic scientific research, than water on Mars. Why performs the possibility produce such enthusiasm-- and also what performs this brand-new study include in the story?