A new study links explosive volcanic eruptions with social unrest.
The latest entry in a special project in which business and labor leaders, social scientists, technology visionaries, activists, and journalists weigh in on the most consequential changes in the workplace.
A clue from an Egyptian tomb has provided scientists with a new explanation of how stones were transported for the construction of pyramids.
Remains suggest cats may have been domesticated in Egypt 5,700 years ago.
A study of the political upheaval in Kenya shows what harm violence can have on the children who witness it.
International studies professor Nivien Saleh, author of Third World Citizens and the Information Technology Revolution, outlines the gantlet of challenges the prospective new president of Egypt will face in ruling a country emerging from a popular revolution.
Analysis: The military strongmen who oversaw Egypt's political hierarchy for six decades hover ominously over the nation's new democracy. Nivien Saleh argues the U.S. has the power to pry the generals' fingers off the levers of power.