While US Ambassador to Syria Robert Ford has been brought back to Washington, Arab leaders and China are still trying to bring the government and the opposition to an agreement.
Nigel Waller wants to bring 'virtual mobile phone' service to the Bottom of the Pyramid – the poorest of the world's poor.
Hurricane Rina has formed off of the Caribbean coast of Central America as the region digs out from floods that killed more than 100 people. Guest blogger Tim Muth looks at the role that humans play in such tragedies.
Muammar Qaddafi is now buried in an unmarked desert grave. The circumstances of his death have raised questions about the new government's ability to respect human rights and prevent reprisals.
Muammar Qaddafi's death is unlikely to mark the end of the Sahel's Libya troubles, with a steady stream of migrants and Qaddafi loyalists returning home or fleeing.
Answer: Kenya is making inroads against Al Shabab. But Kenya's long-term aim is unclear.
Scientists are experimenting with growing meat directly from stem cells. Cost and quality questions remain, but 'artificial' meat could end animal slaughter and be easier on the environment.
A Swede raised in Africa has launched a website and organized a fair to bring attention to African innovators.