.THE APPLICATION of Bayesian contradiction to a range of lithologic parameters in an evaluation of seismic records barely appears the stuff of headlines. But when the seismic records you are actually analyzing come from Mars, as well as when your reasoning advises that the very best description for them is fluid water in the pores between rocks, you possess a story. There is little people crave more, when it pertains to planetary science, than water on Mars. Why does the possibility produce such enthusiasm-- as well as what does this new research study add to the story?