.THE function of Bayesian inversion to a variety of lithologic parameters in an examination of seismic records barely seems to be the stuff of headlines. But when the seismic information you are actually analyzing come from Mars, as well as when your reasoning advises that the most ideal description for them is actually fluid water in the pores in between stones, you have a tale. There is actually little people crave even more, when it comes to nomadic scientific research, than water on Mars. Why carries out the possibility produce such enthusiasm-- as well as what performs this brand-new investigation contribute to the tale?