NBC Learn is the education arm of NBC News.
In an extremely exciting move, they have released a bunch of embeddable, educational widgets that cover topics like U.S. History, African American History, Business and Finance, Health and Wellness and many more.
These widgets are designed to be easy to use and can be incorporated into blogs, Facebook, igoogle, Live, MySpace and many others. Many requiring a simple login to install the widget.

NBC Learn says:

We are dedicated to providing resources for students, teachers and lifelong learners. iCue is one of those resources.

iCue is a collaborative learning community that incorporates gaming, discussion and video resources in a safe, student-friendly online environment. iCue widgets and the What’s Your iCue Facebook Application are key features of the iCue community.

Check out the widgets at NBC learn