.THE APPLICATION of Bayesian contradiction to a series of lithologic parameters in an evaluation of seismic records rarely seems to be the stuff of headlines. However when the seismic information you are actually evaluating stemmed from Mars, and also when your reasoning advises that the very best description for them is actually liquefied water in the pores between rocks, you have a tale. There is dwarfs thirst for even more, when it comes to nomadic science, than water on Mars. Why performs the prospect provoke such enjoyment-- and what does this brand new investigation contribute to the story?