.THE function of Bayesian contradiction to a variety of lithologic guidelines in an evaluation of seismic information barely seems right stuff of titles. However when the seismic information you are actually analyzing stemmed from Mars, and also when your thinking suggests that the greatest explanation for them is actually liquefied water in the pores in between rocks, you have a story. There is actually little people crave more, when it relates to earthly scientific research, than water on Mars. Why carries out the possibility produce such enthusiasm-- and also what does this new research contribute to the account?