Terry Gross

A center for scientists to study what helps dogs succeed in search-and-rescue operations opens Tuesday at the University of Pennsylvania. Dr. Cynthia Otto, who created the center, and Annemarie DeAngelo, the center's training director, tells Fresh Air why they depend on their canine companions.

The actor stars in the comedy TV series The New Normal, about a gay couple who want a child so badly that they hire a surrogate. Rannells tells Fresh Air that he didn't want to "dumb down" the series role with "stereotypical over-the-top gay flash and sass."

Hal David, the Oscar- and Grammy-winning lyricist, died Saturday in Los Angeles. He was 91. David is best known for his many collaborations with composer Burt Bacharach between the late '50s and the mid-'70s.