.THE APPLICATION of Bayesian inversion to a stable of lithologic criteria in an evaluation of seismic data rarely appears the stuff of headlines. Yet when the seismic information you are actually evaluating originated from Mars, as well as when your reasoning proposes that the most ideal description for them is actually liquid water in the pores in between stones, you have an account. There is actually dwarfs thirst for even more, when it pertains to planetal science, than water on Mars. Why performs the prospect prompt such excitement-- and also what performs this new investigation contribute to the account?