.THE function of Bayesian contradiction to a range of lithologic specifications in an assessment of seismic data barely seems right stuff of headlines. Yet when the seismic data you are actually evaluating originated from Mars, as well as when your thinking recommends that the best description for them is liquefied water in the pores in between stones, you have an account. There is dwarfs crave even more, when it pertains to planetary science, than water on Mars. Why does the prospect produce such enthusiasm-- and what performs this brand new analysis include in the account?