A lot of the recent private-equity acquisitions have been paid for with borrowed money. But some of the people loaning the money for those kinds of deals are now saying there's too much debt involved. Amy Scott reports.
MySpace has long had a stranglehold on the online social networking community, but its grip might be loosening as Web trends change and challengers like Facebook come up with new tools to lure users away. Amy Scott reports.
New York City health officials say smoking has fallen 20 percent over the past few years, mostly due to ads featuring cancer victims and a tough ban on smoking in bars and restaurants. Amy Scott reports.
Nanotechnology could radically change medicine, electronics and even help clean up the environment. But those tiny particles could also be a threat to human health. Amy Scott reports on a new nonprofit-corporate effort.
The crisis in the subprime mortgage market continues to take its toll on Wall Street. Merrill Lynch will sell off the assets of two hedge funds that relied on subprime loans that are now going south. Amy Scott reports.
Companies across the globe are increasingly touting their efforts to reduce carbon emissions. But are they for real? A new Web service, soon available on cell phones, offers a reality check. Amy Scott reports.
Tonight Show viewers next week will see something not seen on TV in years: a live commercial. It's an attempt to keep viewers and advertisers from switching off. Amy Scott reports the answer may lie in the past.