July 19, 2012 Each year hundreds of thousands South Africans become infected with HIV, so it might seem that a drug to slow transmission would be welcome. But there's concern about unintended consequences if Truvada is used widely for prevention.
July 19, 2012 Clinicians on the front lines say HIV treatment could help end the AIDS pandemic by curbing infections. Studies have found that HIV drugs make a person less likely to transmit the virus to others because they decrease the level of virus in the body.
June 13, 2012 French researchers report in a new paper that a reconstructive surgery they used to try to repair the genitalia of women circumcised at a young age has helped many of them experience sexual pleasure one year after the surgery.
May 30, 2012 Taylor aided and abetted some of the "most heinous and brutal crimes recorded in human history," the presiding judge at an international war crimes court said in handing down the sentence.
April 26, 2012 Taylor armed and assisted fighters in neighboring Sierra Leone in exchange for "blood diamonds." During a brutal war that ended 10 years ago, about 50,000 people died in Sierra Leone.
March 8, 2012 The arguments continue over the merits of the viral video and Kony 2012 social media blitz that this week have exploded onto the Web.
March 8, 2012 Discovery of fossilized footprints in the Arabian desert tells us that elephants have lived in complex families for 7 million years. Elephants have adapted to changing conditions for millenia, but can they withstand the stresses we humans inflict today?
March 7, 2012 Food security experts have long debated whether it's better to ship bags of rice and corn from the United States to the hungry overseas, or to buy food close to where it's needed. New research suggests most of the time, it's better to buy food close to where it's needed.
September 23, 2011 In Africa, some ranchers shoot wildlife to keep them from eating the grass out from under their cattle. But it turns out some wildlife, like zebra, actually help cattle graze — by clearing fibrous grass stalks away and promoting the new shoot growth that cows crave.
March 8, 2011 In a fascinating piece for The Root, John Dramani Mahama, the current vice president of Ghana discusses the impact that Ghana's independence from colonial rule in 1957 also had on America's Civil Rights Movement.
January 18, 2011 Even though the act that set off the protests in Tunisia — a young man's self-immolation — has been repeated in Egypt and some other nations, this morning's conventional wisdom seems to be that other governments won't collapse.
July 13, 2010 Uganda made several arrests in the weekend terrorist bombings that killed at least 76 people.
February 27, 2008 Nine times out of 10, it is the adjectives that get journalists in trouble.