Freakonomics: Lightbulb Moment in Food History

http://freakonomics.blogs.nytimes.com/2009/04/08/lightbulb-moment-in-food-history/

Susanne Freidberg, a professor of geography at Dartmouth, has been guest blogging here about the food supply. This is her final post; we thank her very much. You can thank her too by picking up a copy of her just-released book, “Fresh: A Perishable History.”