Could Cell Phones Cause Planes to Crash?

Could your cell phone cause a plane crash?
http://www.travelmole.com/stories/1148064.php

If you’re like most occasional or even frequent fliers, you probably don’t take seriously those warnings about shutting off cell phones. But perhaps you should -- based on a new report.

"We found that the risk posed by these portable devices is higher than previously believed," said Bill Strauss, who conducted a study with other researchers at Carnegie Mellon University.