.THE APPLICATION of Bayesian contradiction to a series of lithologic parameters in an assessment of seismic data hardly appears right stuff of headlines. Yet when the seismic records you are actually assessing stemmed from Mars, and also when your thinking recommends that the most effective explanation for them is liquid water in the pores in between stones, you have an account. There is actually little people crave extra, when it involves earthly scientific research, than water on Mars. Why performs the prospect prompt such exhilaration-- and what performs this brand-new research study add to the tale?