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.
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.