Discovery News' Editor Paul Heltzel most recently served as managing editor for Daily Interactive, a publisher of news apps. Former stints include National Geographic and NPR, where he edited and produced stories for the Web, and PC World magazine, where he covered technology news. Heltzel has contributed articles to the Los Angeles Times, MIT Technology Review, The Washington Post, CNN.com, and The New York Times on the Web. He's published five books on computer technology, science and health. He lives on the Rappahannock River in Virginia with his wife Deborah and their three kids.