A new report points to great progress in reducing deaths from diarrheal diseases. But as the low-income world sees progress, rates are inching up in wealthy countries, including the U.S.
Carl Manlan and his wife started their family in Switzerland. It's a great place to raise kids, he says. So why did they decide to move back to their native Africa?
They're attacked for their body parts and stigmatized by society. They want to let the world know how it feels — by speaking out and singing out as well.
Three genetic changes could be enough to make a bird flu strain that's already killing some people in China highly contagious. Are experiments with a deliberately mutated version too risky?
We asked our readers what they wanted to know about world hunger? So many thoughtful questions came in that we did a roundup of queries about hunger and famine.