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Reports over the weekend said the U.S. and Iran had agreed to face-to-face negotiations, but both countries deny that's the case. Still, symptoms of economic and social instability may be pushing Iran toward the negotiating table.

Five days after Superstorm Sandy, crews in New Jersey are still working 14-hour days to restore power. Part of the job is cleaning each individual wire, and part is explaining what took so long to get the lights back on.

Americans throw out a lot of food. And a lot of meat. That means our waste has a bigger impact on the global food supply than vegetarian discards. Why? Blame it on hidden calories.

We thought you'd get a kick out of seeing how the four teams in the final World Cup matches stack up in global health and development.

The Sunni town fought back when Sunni Muslim extremists from the Islamic State tried to impose their rule. The extremists leveled the town as a warning to Sunnis who won't accept their brutal rule.

Millions are downloading and listening to podcasts. It's the source of original material and growing ad revenue. Apple's iTunes has 1 billion subscribers, and advertisers are seeing dollar signs.

African musicians have recorded a fund-raising song to help fight Ebola. They say it truly reflects what's happening in their homeland — unlike the Brit pop Ebola song "Do They Know It's Christmas?"

Detox diets are a hot trend, but scientists say there's really no evidence that they are necessary or helpful. One strategy that does make sense: Cut back on sugar. We tell you why.

The pre-Super Bowl week of hype — which ran the gamut from frivolous to ominous — finally ends and we can turn to what could be one of the closest, most exciting championship games ever.

Robert Siegel talks to Maureen Sullivan, senior vice president of strategic services and chief strategy officer for Blue Cross Blue Shield Association, which did the study.