What's a centroid? It is a hypothetical calculation of the exact center of the U.S. population. It involves the U.S. Census and has changed over the country's 220 years, sometimes falling in a town and at other times settling in the middle of rural country. Orion Magazine writer Jeremy Miller explores the centroid and finds that its movement has matched the country's westward expansion and development.
Also on The Story: An audio meditation on riding the bus to work every day; and artist Bo Gehring makes portraits with a slow moving camera set to music.