.THE function of Bayesian inversion to a range of lithologic parameters in an examination of seismic records barely seems the stuff of titles. But when the seismic information you are actually analyzing originated from Mars, and when your thinking recommends that the best description for them is actually fluid water in the pores in between stones, you have a tale. There is dwarfs thirst for much more, when it comes to planetary scientific research, than water on Mars. Why carries out the possibility provoke such enthusiasm-- and what performs this brand-new research study contribute to the story?