.THE APPLICATION of Bayesian contradiction to a stable of lithologic guidelines in an evaluation of seismic data barely appears right stuff of titles. Yet when the seismic information you are determining arised from Mars, and also when your thinking proposes that the best explanation for them is actually fluid water in the pores between stones, you possess an account. There is actually little people crave extra, when it concerns wandering scientific research, than water on Mars. Why performs the prospect provoke such excitement-- and what performs this brand-new research include in the tale?