The idea of a "trophy wife" is common in popular culture: Attractive young women trade beauty for status by "marrying up" and finding wealthy husbands. NPR's Shankar Vedantam questions whether the belief is a real phenomenon.
The North Carolina coast may be the last place you'd think to find a sunken German submarine from World War II. But that's what Joe Hoyt ? a nautical archeologist ? found on a recent expedition to the ocean floor. Robert Siegel talks to him about the underwater battle site there.