Echoes of the Mind's Eye

Was just checking out some of the publicity photos for the upcoming season. eh.

So...What's the deal with David Tennant's eyebrow? I expect him to start using the term "intriguing" and following the logical doctrine of Vulcan.

I have been curious lately...If has anyone read Asimov's Foundation series, do you think Psychohistory is possible? If not Psychohistory, per se, do you know of a "science" of predicting cultural trends/futures?