.THE APPLICATION of Bayesian contradiction to a range of lithologic criteria in an assessment of seismic data barely seems to be the stuff of titles. But when the seismic records you are assessing originated from Mars, and when your reasoning advises that the most ideal description for all of them is actually liquid water in the pores between rocks, you have a tale. There is actually little people thirst for a lot more, when it involves planetary scientific research, than water on Mars. Why carries out the possibility produce such enthusiasm-- as well as what performs this brand-new study contribute to the tale?