There has always been something very endearing about actress, Mayim Bialik. Since her role in the early 90's TV sitcom, Blossom, that lovely face and personality simply disappeared off the planet. Well, it seems that she went back to school and eventually got her PH.D. in neuroscience. One smart cookie. And a pretty handy degree to have on the set of the hugely successful sitcom, Big Bang Theory.

Bialik explains how it has helped her on the show during an interview with Conan O'Brien.