.THE APPLICATION of Bayesian contradiction to a stable of lithologic criteria in an assessment of seismic information hardly seems right stuff of headings. Yet when the seismic records you are actually assessing originated from Mars, as well as when your reasoning advises that the most effective illustration for all of them is liquid water in the pores between rocks, you have an account. There is actually little people thirst for even more, when it pertains to planetal science, than water on Mars. Why does the possibility produce such excitement-- and what performs this brand-new analysis include in the account?