Remember the near panic about flu shots not being available this year? Today the company that makes a flu nasal spray vaccine says it's selling only about a third of what it expected to this winter. Flu-mist had ramped up its production to meet a potential flu crisis - one that hasn't materialized so far. There's a new tool that might have helped the folks at Flu-mist. Some researchers at the University of Iowa College of Business are trying to improve our ability to predict flu outbreaks - by using a model some of you might be familiar with. From WOI in Ames, Iowa, Joyce Russell reports.

The Bush Administration has made solving the social security "crisis" a top priority. But personal finance expert Chris Farrell says while there is a funding problem, it's not a crisis.

With so much more music becoming available on-line each year, how can music fans sort through it all and discover the music they want? One answer may lie in the personal playlist, that simple compilation that digital music enthusiasts use to keep track of their favorite tunes. From New York, Marketplace's Gideon D'Arcangelo reports.

In satellite radio, two players dominate. XM is the big boy, with more than 3 million customers. But Sirius Satellite Radio is coming up from behind. It's latest move: a team-up with Microsoft to offer radio... with pictures. Marketplace's Jeff Tyler explains.