.THE function of Bayesian contradiction to a series of lithologic criteria in an assessment of seismic records barely seems the stuff of headings. Yet when the seismic records you are assessing arised from Mars, and when your thinking recommends that the best description for them is actually fluid water in the pores between stones, you have a tale. There is little people thirst for even more, when it pertains to nomadic science, than water on Mars. Why performs the possibility provoke such exhilaration-- and also what performs this brand-new research include in the account?