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Friday's jobs report could be seen as good news — but not for President Obama, according to GOP presidential hopeful Mitt Romney. So where is the economy heading this year, and what does it mean for November's election?

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.

A placebo can take the form of a sugar pill or even a fake surgery. It's often used to test the effectiveness of a trial drug. Ted Kaptchuk, director of Harvard University's Program in Placebo Studies and the Therapeutic Encounter, discusses potential applications for the healing power of placebos.

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.

It's taken a while, but a lawsuit claiming that a mouse was in a can of the soda is getting attention because of the reason why Pepsi says the story can't be true.

Melissa Block speaks with our regular political commentators, E.J. Dionne, of the Washington Post and Brookings Institution, and David Brooks, of the New York Times. They discuss the jobs numbers, Obama's recess appointments and presidential campaign developments.

The yellow-eyed snowy owls were made famous by the Potter movies. So why are they being spotted in rare numbers from Portland to New York? Blame the Arctic lemmings.

The opposition movement in Morocco adopted the music of provocative rapper Mouad Belrhouate. Now, supporters say his arrest and trial are attempts to silence him. Despite recent reforms, activists say Morocco still has a long way to go.

One NPR reporter's harrowing trip to cover the Iowa caucuses turned out to be the perfect start to 2012.

Presidential superPACs can solicit big, corporate contributions and use the money to run attack ads. They're not allowed to coordinate those ads with the candidates they support. But there's a never-ending debate over whether that ban has teeth.