Arizona Senator John McCain is expected to announce this weekend that his presidential campaign is nearly $2 million dollars in debt. What will happen to the McCain campaign now that he's gone from first to fourth place in the polls?

It's on 24/7, but do you know what your kids are doing online?

We talk with Jean Kumagai, a reporter with IEEE Spectrum magazine, about the hi-tech, automated early warning system the Japanese government has developed to give citizens at least a few seconds notice before an earthquake hits.

Popular Science Magazine lists the worst jobs in science. One of them is whale feces researcher. Another is hazmat diving. We speak to Rosiland Rolland of the New England Aquarium and co-editor of "The Urban Whale: North Atlantic Right Whales at the Crossroads," and Steven Barsky, author of "Diving in High Risk Environments."

The smooth vocals of British R&B singer James Hunter have been compared to and endorsed by well-known artists such as Sam Cook, Ray Charles, and Van Morrison. He's touring the country this summer, promoting his album "People Gonna Talk".