.THE APPLICATION of Bayesian contradiction to a variety of lithologic guidelines in an analysis of seismic information rarely seems right stuff of headings. But when the seismic information you are evaluating come from Mars, and when your reasoning proposes that the best explanation for all of them is fluid water in the pores between rocks, you possess a story. There is little people crave much more, when it pertains to worldly science, than water on Mars. Why performs the prospect prompt such excitement-- and also what performs this brand-new research contribute to the story?