.THE APPLICATION of Bayesian contradiction to a range of lithologic criteria in an assessment of seismic information hardly seems right stuff of titles. Yet when the seismic data you are analyzing stemmed from Mars, and when your reasoning advises that the greatest explanation for them is liquid water in the pores between rocks, you have an account. There is actually dwarfs crave a lot more, when it relates to planetal scientific research, than water on Mars. Why does the possibility produce such exhilaration-- and also what performs this brand new study contribute to the account?