Produced and directed by Corey Eisenstein. Click here for transcript. (video link) Greetings, Arsians! We have something special for you today: the premiere of a new science series we're creating, called Edge of Knowledge. We've recruited physicist and author Dr. Paul Sutter (Google Scholar link) to be our host and guide on an eight-episode romp through the mysteries of the cosmos, touching on topics that we at Ars find fascinating.