.THE APPLICATION of Bayesian contradiction to a series of lithologic parameters in an examination of seismic data barely appears the stuff of headlines. But when the seismic information you are actually analyzing originated from Mars, and when your thinking suggests that the greatest description for all of them is actually fluid water in the pores between stones, you have an account. There is actually dwarfs crave a lot more, when it concerns wandering scientific research, than water on Mars. Why does the prospect provoke such excitement-- and also what performs this new research include in the tale?