Anders Kelto

How many countries are in Africa? 1, 15, 54 or 122? Take our beginner's quiz and test your knowledge of the second-largest continent in the world.

Brown University student Sunil Tripathi disappeared just before the Boston Marathon bombing, and was accused of being involved in the attack. A new documentary looks at the effects of the allegation.

Angola has cracked down on its tiny Muslim population and been accused of destroying some mosques. But the southern African nation has not called for a ban on Muslim immigrants.

In just about every region, the United States ranks high — with one exception.

During a papal visit, the media swarm and security is intense. He speaks of issues that face the country. After he goes, is there any lasting legacy?

Turkeys these days are often plastered with an array of terms that can confuse and even mislead consumers. Here's a glossary of jargon for the wannabe informed Thanksgiving turkey buyer.

Comic Ikenna Azuike brings wigs, false teeth and barbs about Africa to the BBC. Now his show, What's Up Africa, is up for a broadcasting award.

Polio paralyzed Sani Muntari as a child. That didn't keep him from school or off the soccer field. And he's played a key role in making Nigeria polio-free.

The U.S. territory implemented an unusual version of the Affordable Care Act. Insurers must offer coverage to everyone. But there's no mandate for people to buy it, and there are no subsidies to help.

An ambulance in Sierra Leone is sent out to pick up a suspected patient. But after two wrong turns and several stops for directions, it arrives at the home of a 14-year-old boy with no signs of Ebola.