Talk of the Nation

A federal advisory board has urged scientific journals not to publish the research from two labs that have developed an airborne flu virus. Microbiologist Vincent Racaniello discusses why the move sets a bad precedent. Biosecurity expert D.A. Henderson talks about the risks of publishing the research.

Physicist Richard Hill and colleagues at the University of Nottingham have a powerful magnet that they have used to levitate fruits, beer and most recently, fruit flies. It's a low-cost way to study the effects of zero gravity on biological systems, Hill says.

Honey bee colonies around the United States are in decline, threatened by several different diseases and parasites. John Hafernik, a professor of biology at San Francisco State University, describes how a parasitic fly that was thought to prey upon bumblebees may pose a new threat to honey bee populations in the U.S.

More than 90 percent of patients in one survey said they'd want to know what doctors write in their charts. The majority of doctors, though, are reluctant to share their notes. Time's Alice Park explains why patients want to see their charts — and why many physicians are wary of the idea.

New state laws reflect controversial national issues such as immigration. They also regulate local concerns from requiring teaching about important gay figures in California schools to limiting when New Yorkers can fertilize their lawns. NPR's Corey Dade and Pam Fessler discuss 2012's new laws.

After more than 20 years as a columnist for the Atlanta Journal-Constitution, Pulitzer Prize-winner Cynthia Tucker left to become a visiting professor at the University of Georgia. She edited the editorial page for the paper for eight years until she was reassigned as a political columnist.

Middle childhood was often thought of as a developmental placeholder between toddler and teen years. But a special issue of Human Nature explains that's when children learn to reason, control impulses, understand and accept mortality and plan for the future, among other developmental milestones.

For four years, an Iraqi named Tariq worked for the U.S. military as a translator. He's faced death threats from other Iraqis and asked to be identified by only his first name for his protection. Once the troops pulled out of the country, he lost his job and the on-base security that came with it.

The Republican National Committee declared Mitt Romney the winner in Iowa, but all three top candidates claim victory. The verdict came late, and Romney and former Pennsylvania senator Rick Santorum had the closest finish ever in a presidential caucus. Rep. Ron Paul placed a close third.

Rep. Michele Bachmann suspended her campaign. Texas Gov. Rick Perry headed home to reassess his bid after Iowa. And while Mitt Romney, Rick Santorum and Rep. Ron Paul carry the momentum into New Hampshire and South Carolina, Newt Gingrich and Jon Huntsman promise to continue their campaigns.