.THE function of Bayesian inversion to a stable of lithologic specifications in an evaluation of seismic information rarely seems to be the stuff of headings. Yet when the seismic information you are examining originated from Mars, and when your reasoning advises that the most effective explanation for all of them is actually fluid water in the pores in between stones, you possess an account. There is actually dwarfs thirst for more, when it relates to worldly science, than water on Mars. Why performs the prospect prompt such pleasure-- and what does this new research study contribute to the account?