1. International problem solving guide (humor).
2. Homeless in Ann Arbor.
3. Leftover explosives from WW2 (and WW1 ... )
4. Over-reaction at Pioneer High School
5. A nice post on inequality from Greg Mankiw.
Hat tip on #1 to Jianlin Wang and on #2 to Cong Zhang.
Who was my favorite student this term?
4 months ago