One of the great features (to my limited mind) of using Firefox is that you have handy access to the latest BBC headlines. "Really, I'm not procrastinating, I'm just getting caught upon the news and the latest cricket scores."
Every now and again they'll post an update on Cassini's latest pictures and how scientists have interpreted them. The latest Cool Pictures of Titan and an analysis of its atmosphere are up right now. Come on now, everyone needs a break from work every now and again.
Alas, a hot tub has not materalized in my office, but I did find some notes I'd thought lost and several back issues of professional journals whose reviews I can mine.