.THE APPLICATION of Bayesian contradiction to a series of lithologic guidelines in an evaluation of seismic records hardly seems right stuff of headings. Yet when the seismic records you are determining arised from Mars, and also when your reasoning recommends that the very best description for them is actually liquefied water in the pores between rocks, you possess a tale. There is little people thirst for a lot more, when it involves earthly science, than water on Mars. Why carries out the possibility produce such excitement-- and what performs this brand-new investigation include in the account?