Tiny Burundi has seen a modest turnaround since it put a civil war behind it. But continued instability in Congo allows Burundi's rebel groups a safe haven to launch attacks.
Shuffling and regrouping among Congo's troops is creating a volatile environment that encourages violence and potentially mass rape, as shown in the rape of at least 120 women in early June.
Worldwide, the first five months of 2010 were the warmest on record. With the US now getting its share of a heat wave, how will it affect the public perception of climate change?
Surface waters of Lake Tanganyika, the world's second-deepest lake, are warmer now than any time in the last 1,500 years.
Researchers know global temperatures are rising. Now scientists from as far away as Finland are studying what that means for the 1 million floating residents of the Tonle Sap Lake.