Our latest Guest Blogge…guest, is one Nat Blair, of the blog Junction Potential, one of those older, crotchety, get offa my lawn kind of post-docs that Sci desires to be someday. An electrophysiologist and everything! And most of the time, he still even LIKES his life!!! Unheard of! He’ll be there for the next two weeks, so make sure that you go over there and check him out!