The Dollar General in Moville, Iowa, is a stone's throw from the only grocery store in town. Though the grocery has produce and fresh meats, it can't compete with Dollar General on other items.
What can a personality test tell us about who we are? Shankar Vedantam, host of Hidden Brain podcast and radio show, explores the science behind personality tests, and the industry built around them.
Courtesy of Pottermore.com
Early-morning traffic backs up on Interstate 5 during a Jan. 11 snowstorm in Portland, Ore. Truck drivers say such conditions, combined with limitations on their working hours, cost them a lot of money because of their mileage-based pay.