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David Greene talk to UNICEF Emergency Coordinator Bob McCarthy about the situation at a Catholic church in Bossangoa in the Central African Republic. Thousands of people are seeking shelter in the compound of the church. They are fleeing the violence that has engulfed the country after militias overthrew the government earlier this year.

How do you know you're in love? Angry? Or sad? Emotions start off in the brain, then ripple through the whole body. Now scientists have charted where we consciously feel specific emotions. They hope these sensation maps will one day help diagnose and treat mood disorders.

Unless Congress acts, the current monthly benefit for commuters using public transportation will be cut nearly in half starting Jan. 1. On the other hand, those who drive to work will see their benefit for parking costs rise slightly.

The notoriously short night's sleep that many tired adolescents get isn't all about surging hormones and too much homework, according to a sociologist who looked at shifting sleep patterns from ages 12 to 15. Teens who report good relationships with family and schoolmates tend to sleep better.

A generation after Mexico, Canada and the United States signed the North American Free Trade Agreement, cross-border business is flowing. Some Canadians were fearful of their southern neighbors, but Bombardier Aerospace, with plants now in the U.S. and Mexico, illustrates one way NAFTA changed business.

Annual forecasts are brimming with good cheer for 2014: Jobs will come back, stock prices will keep heading higher, and consumer spending will continue to improve, economists predict.

"Hands-free" is taking on a new meaning. Games hitting the market use EEGs so you can move a toy helicopter with your mind or play the brain like a musical instrument. It's the stuff of sci-fi movies, but potentially with an added health benefit.

In this first full week of 2014, tech headlines came fast and furiously out of the Consumer Electronics Show in Vegas, and beyond.

Haiti's Resistance Artists create street sculptures — huge metal configurations that speak to the devastation following the 2010 earthquake and the stark separation between the country's rich and poor. Reese Erlich

The ever-evolving Pat Metheny constantly experiments with new technology, honing his improvisational skills and refining his unique style. On this episode of Piano Jazz, Pat Metheny performs with bassist Christian McBride and drummer Antonio Sanche.