Most of last year’s most popular posts here were about math and programming. Here are the most popular posts from 2010 not about math or programming. (They may mention math or programming, but they’re not about math or programming.)
A couple of these posts were written in 2009 but got a lot of traffic in 2010.
I almost included the following post in the list. It’s somewhat about math, but it’s more about life in general: Mathematically correct buy psychologically wrong.