.THE APPLICATION of Bayesian contradiction to a series of lithologic criteria in an evaluation of seismic records hardly seems right stuff of headlines. But when the seismic records you are actually assessing arised from Mars, as well as when your reasoning proposes that the greatest explanation for them is fluid water in the pores between rocks, you possess an account. There is actually dwarfs thirst for even more, when it comes to nomadic scientific research, than water on Mars. Why does the possibility provoke such enjoyment-- and what does this brand new study include in the tale?