Katherine Sanderson is a retired choreographer and performer-turned amateur photo-artista. Her images capture the refined beauty of years of practice, and of course, we love her subjects!

The mind numbing Raven paradox, also known as Hempel's paradox or Hempel's ravens is a paradox proposed by the German logician Carl Gustav Hempel in the 1940s to illustrate a problem where inductive logic violates intuition. It reveals the fundamental problem of induction - All Ravens are black, thus anything that is not black is not a Raven. On the

John Marzluff and Tony Angell examine the often surprising ways that crows and humans interact. The authors contend that those interactions reflect a process of "cultural coevolution." They offer a challenging new view of the human-crow dynamic a view that may change our thinking not only about crows but also about ourselves.

American Crows (Corvus brachyrhynchos)are familiar over much of lower Canada, Continental US, and northern Mexico: large, intelligent, all-black birds with hoarse, cawing voices. They are commonly arboreal, but frequently jet-setters. They are opportunistic feeders, diligent scavengers, and feared succubi.