.THE function of Bayesian inversion to a series of lithologic specifications in an analysis of seismic records rarely seems right stuff of headings. However when the seismic data you are determining arised from Mars, and when your reasoning recommends that the best explanation for all of them is fluid water in the pores in between stones, you possess a story. There is actually little people thirst for extra, when it pertains to global scientific research, than water on Mars. Why performs the possibility provoke such exhilaration-- and also what performs this brand-new study add to the account?