.THE app of Bayesian contradiction to a variety of lithologic parameters in an analysis of seismic information hardly appears the stuff of titles. However when the seismic information you are assessing arised from Mars, as well as when your thinking proposes that the greatest description for all of them is fluid water in the pores in between rocks, you possess an account. There is dwarfs crave a lot more, when it concerns planetary scientific research, than water on Mars. Why does the possibility provoke such enjoyment-- and what performs this brand-new study add to the tale?