![Stories of the Week | PBS NewsHour Podcast | PBS show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/011/424/small/stories-of-the-week-newshour-with-jim-lehrer-podcast-pbs.jpg)
Summary: As tuition costs continue to rise, it seems counterintuitive that professors at top universities would give away their courses for free. But that's exactly what they're doing, on web-based platforms known as "Massive Open Online Courses." Spencer Michels reports on how a boom in online learning could change higher education.