If you are the parent of a teenager, most likely he or she is part of the social networks MySpace and Facebook. If you are the parent of a teenager, most likely you should be part of the social networks MySpace and Facebook. A new study, reported by CNN.com, finds that 54 percent of teens on these social networks talk about sex, violence, and alcohol and drug use. [more]

I've written before about the mixed feelings I have over Facebook, and over how it seems to have taken over the lives of my students to such a degree that they have, on occasion, trouble interacting with the real live world around them (in which I, as their professor, play a fairly important role). But I appreciate the allure of Facebook, and lately I've found myself enthralled by it. [more]