Steve Inskeep talks to Rabab el-Mahdi of The American University in Cairo about the uprising that removed Hosni Mubarak as president — only to usher in a new wave of dissatisfaction and instability.
Gunmen holed up in a restaurant after firing on diners and passers-by. The militant Islamist group al-Shabab has claimed responsibility for the violence.
NPR's Robert Siegel interviews University of Cambridge Professor Robert Foley, co-author of a study in Nature about remains of a massacre from 10,000 years ago in Kenya. He talks about why he believes this is evidence of the earliest known warfare among humans.
NPR correspondents Lourdes Garcia-Navarro and Jason Beaubien will answer your questions on the Zika virus in a live YouTube Q&A. Submit your questions now.