South Africa has the world's largest antiretroviral therapy program with over 4 million people receiving treatment. But the ARV drug therapy, regarded by many as a panacea for HIV, is complicated and comes with its a number of side effects, both physical and mental. As VOA's Zaheer Cassim explains from Johannesburg, perceptions of those side effects and the complex nature of the treatment has brought a new serious problem: many people just do not want to take the drugs anymore.
One of the most common birth defects in the world is a cleft lip. It's essentially a gap in the upper lip where the skin didn't grow together. Babies with cleft lips may also have a cleft palates, where the roof of the mouth is split. Both can be repaired surgically. But unless that's done, this birth defect can cause significant disability or even death. More from VOA's Carol Pearson.
Forests are often called the lungs of the planet because they produce so much oxygen. But they also store huge amounts of carbon. NASA scientists want to know exactly how much carbon, and so they have just launched a satellite that will finally give them an exact measurement. VOA's Kevin Enochs reports.