Congrats to my students

Congratulations to all my students on completing a semester of serious science.  You've joined a relatively exclusive club, and hopefully you've learned a lot about the way the world works in the bargain.

Have a great Christmas and I look forward to seeing most of you in January.

Oh, and feel free to make comments on this blog--whether you agree or disagree.  To block spam they won't appear right away but they will in a day or two.