.THE app of Bayesian inversion to a series of lithologic guidelines in an examination of seismic data rarely appears right stuff of headlines. But when the seismic data you are actually examining come from Mars, and also when your thinking advises that the very best description for them is actually liquefied water in the pores in between stones, you have a tale. There is actually little people crave a lot more, when it pertains to nomadic scientific research, than water on Mars. Why does the prospect provoke such excitement-- and also what performs this brand-new research contribute to the tale?