In this issue, you'll hear how a small group of Web rivals joined forces to save the internet. You'll hear how Google is taking a second shot at thwarting Facebook's dominance over online social networking. You'll learn what the iPad's rivals must overcome in order to have a chance in the marketplace. You'll hear how one of the leading scientists in a new field of biology is using light to control different aspects of behavior. You'll learn the reasons why a global nuclear power renaissance has stalled. And you’ll hear about the long-running controversy over the Cape Wind alternative energy project in Massachusetts.