.THE APPLICATION of Bayesian contradiction to a variety of lithologic specifications in an examination of seismic information barely seems to be right stuff of headlines. However when the seismic data you are examining arised from Mars, and when your reasoning recommends that the greatest explanation for them is actually liquefied water in the pores in between rocks, you have an account. There is actually dwarfs thirst for much more, when it relates to planetary scientific research, than water on Mars. Why carries out the prospect produce such enjoyment-- and also what does this brand new investigation contribute to the account?