By Eric Jaffe — 2007
What will make you happy? A social scientist explains why it’s so hard to predict
Read on www.smithsonianmag.com
CLEAR ALL
I catch some things here and there: a scurrying chipmunk crosses the path, a patch of sunlight glimmers ahead of me. But mostly, I’m in my head and in my feet as I cross a metaphorical finish line, completing my mileage for the day.