Our Little Earth is a nice site that provides bi-weekly summaries of the world's biggest news stories. The summaries are written for students. Each edition includes video clips along with the stories. In each edition you'll find stories appropriate for use in social studies, math, and science lessons. You may also find stories about the arts, entertainment, and popular culture. A few "did you know" questions appear in each issue as well. An archive containing every edition going back to 2007 is available too.
Applications for Education
Our Little Earth could be a good little resource on which you can base some quick social studies lessons. For a donation of one dollar (or more if you're so inclined) you can subscribe to some extra questions and accompanying activities for each edition. Or you could just create your own discussion questions. Either way all of the articles and "did you know" questions mentioned above are free.