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Fiber-fortified products are all over the supermarket. But are these foods actually making you healthier? This question turns out to be one of those places where scientists know a lot less than you may think they do.

The Tea Party rallies that raged in cities across the country in 2009 have died down. As the Republican presidential race wraps up, and the GOP get closer to selecting a nominee, many Tea Party activists acknowledge that the days of the big rallies might be on hold. But some say that their ideas are now very much front and center.

France is holding a presidential election in the spring, and the campaign is in full swing, sort of. The only thing missing is one of the candidates: President Nicolas Sarkozy. As NPR's Eleanor Beardsley reports, he hasn't yet announced whether he's running for re-election.

Last month, scientists around the world agreed to temporarily halt controversial scientific research with bird flu viruses. Some experts say too little is known about how infectious this virus could be to humans, but other experts think those risks have been blown a bit out of proportion.

The Greek Parliament has approved a crucial austerity and debt-relief bill to keep the country out of bankruptcy and remain a part of the eurozone.

The transition of power in China this fall will usher out a generation of engineers and technocrats, and replace them with economists and lawyers who may be less scared of political experimentation. But two distinct factions are emerging, and their biggest challenge will be how to handle changes.

For some people, getting a good night's sleep seems like an impossibility. A new batch of gadgets and apps tries to help troubled sleepers learn how to get their best rest.

President Obama's health care overhaul was largely based on one that then-Gov. Mitt Romney signed into law in Massachusetts in 2006. Now, more than 98 percent of state residents have health insurance, and the law has drawn unexpected supporters. But controlling costs remains a challenge.

Inspired by the death of Eric Garner, the jazz singer asks an essential question in the spacious track, featuring trumpeter Christian Scott aTunde Adjuah: "What is needed for the change to come?"

Aided by producer Joe Henry, the jazz and gospel singer strikes a balance between ecstasy and empathy on her sixth album.