The newest AMS Headlines and Deadlines announces a new AMS graduate student math blog, managed by Frank Morgan, AMS vice-president. They already have posts ranging from finding an advisor to advice on organizing a reading seminar.

You know you’ve been asked “what’s math research good for?”  I’m talking about at that party that wasn’t full of other math grad students.  You know, right after, “you do new mathematics?  I thought it was all finished!”

I’ve made a stab at writing an answer to this for the general public, and I’d love input from other mathematicians.  Do you think I’m right?  So what is it good for?